mirror of
https://github.com/harvard-edge/cs249r_book.git
synced 2026-07-16 14:42:29 -05:00
c848f43990
Adds 'binder layout purpose <pdf> --vol1|--vol2' subcommand and folds the check into the high-level 'binder layout --vol1/--vol2' planner so a Purpose spilling past its opener page is caught with the other layout scans and fails the layout pass. Delegates to book/tools/audit/check_purpose_overflow.py.
3742 lines
143 KiB
Python
3742 lines
143 KiB
Python
"""
|
||
``binder layout`` — PDF page-layout diagnostics.
|
||
|
||
Subcommands:
|
||
check — Scan a built PDF for pages with excessive bottom whitespace
|
||
in the main body column, and guess the likely cause (the
|
||
block at the top of the next page that probably forced the
|
||
break).
|
||
|
||
The planner is read-only by default: it inspects the PDF, prints a report, and
|
||
exits. It does not modify source or PDF. Fixes happen in the QMD source during
|
||
an explicit apply/rebuild/re-scan loop.
|
||
"""
|
||
|
||
import argparse
|
||
import csv
|
||
import json
|
||
import math
|
||
import re
|
||
import shutil
|
||
import subprocess
|
||
import sys
|
||
import unicodedata
|
||
from collections import Counter, defaultdict
|
||
from dataclasses import dataclass, field
|
||
from pathlib import Path
|
||
from typing import Any, Dict, List, Optional, Tuple
|
||
|
||
from rich.console import Console
|
||
from rich.panel import Panel
|
||
from rich.rule import Rule
|
||
from rich.table import Table
|
||
|
||
console = Console()
|
||
|
||
|
||
class _LayoutHelpFormatter(
|
||
argparse.RawDescriptionHelpFormatter,
|
||
):
|
||
"""Argparse formatter that preserves examples."""
|
||
|
||
|
||
def _clickable_source(rel_path: str, repo_root: Path) -> str:
|
||
"""Wrap a repo-relative ``source_file`` as an OSC 8 terminal hyperlink.
|
||
|
||
The visible text stays the relative path, but a cmd+click (Ghostty, iTerm2)
|
||
opens the file via its absolute ``file://`` URL. The escape is emitted only
|
||
when stdout is an interactive TTY, so a redirected/piped CSV stays plain and
|
||
grep-able (the raw relative path, no control characters). Ghostty needs an
|
||
absolute, schemed URL to resolve a path — a bare relative path is never
|
||
clickable — so the link target is always the resolved absolute path.
|
||
"""
|
||
if not rel_path or not sys.stdout.isatty():
|
||
return rel_path
|
||
try:
|
||
target = (repo_root / rel_path).resolve().as_uri()
|
||
except (OSError, ValueError):
|
||
return rel_path
|
||
esc = "\033"
|
||
return f"{esc}]8;;{target}{esc}\\{rel_path}{esc}]8;;{esc}\\"
|
||
|
||
|
||
# --- geometry constants ---------------------------------------------------
|
||
# These are heuristic bands for the book's Tufte-style layout (main column
|
||
# left, margin notes right). They are intentionally generous so the tool
|
||
# works without per-volume calibration; tune later if needed.
|
||
|
||
HEADER_FRAC = 0.06 # top 6% of page height treated as running header
|
||
FOOTER_FRAC = 0.06 # bottom 6% treated as running footer / page number
|
||
MAIN_COL_RIGHT_FRAC = 0.55 # main column ends ~55% across the page
|
||
LEFT_MARGIN_RIGHT_FRAC = 0.22
|
||
RIGHT_MARGIN_LEFT_FRAC = 0.78
|
||
# Margin material alternates sides in the bound PDF: verso pages use the left
|
||
# band and recto pages use the right band.
|
||
|
||
PDF_BODY_WIDTH_PT = 8.0 * 72.0 - (0.875 + 1.75) * 72.0
|
||
TABLE_MARKER_RE = re.compile(r"\b(?P<idx>\d{3})\s+(?P<label>tbl-[A-Za-z0-9_-]+)\b")
|
||
|
||
|
||
@dataclass
|
||
class PageReport:
|
||
sheet: int # 1-indexed PDF sheet number
|
||
label: str # printed page number ("59", "iii", etc.)
|
||
chapter: str # enclosing top-level outline title
|
||
whitespace_pts: float # vertical gap, in PDF points
|
||
whitespace_frac: float # gap / usable_text_height
|
||
body_bottom_y: float # y of last char in main column
|
||
usable_bottom_y: float # y of footer band top
|
||
cause: str # best-effort guess for next-page culprit
|
||
detail: str = "" # caption / heading / title of the next-page element
|
||
size_hint: str = "" # element size: "10 rows", "380pt tall", etc.
|
||
fix_hint: str = "" # one-word suggested fix
|
||
is_frontmatter: bool = False # roman-numbered page (likely intentional gap)
|
||
# ---- actionable fields ----
|
||
source_file: str = "" # QMD chapter file, relative to repo root
|
||
source_line: int = 0 # 1-indexed line where the detail text appears
|
||
section: str = "" # nearest preceding H2/H3 header text
|
||
next_page_starts_chapter: bool = False # next sheet is a chapter opener
|
||
klass: str = "" # A | B | C | D classification
|
||
action: str = "" # recommended action (try-move-up / accept-…)
|
||
layout_strategy: str = "" # machine route for auto-layout repair
|
||
|
||
|
||
@dataclass
|
||
class MarginFinding:
|
||
"""A margin figure/note layout finding."""
|
||
sheet: int # 1-indexed PDF sheet number
|
||
label: str # printed page number
|
||
chapter: str # enclosing chapter title
|
||
signal: str # "image", "caption/text", or both
|
||
over_pts: float # how far past the footer line (pts); + = below
|
||
off_page: bool # content extends beyond the physical page edge
|
||
snippet: str = "" # lowest margin-line text (for grepping source)
|
||
source_file: str = "" # QMD chapter file, relative to repo root
|
||
source_line: int = 0 # 1-indexed line of the matching caption
|
||
section: str = "" # nearest preceding H2/H3 header
|
||
issue: str = "overflow" # overflow | baseline-crowding | image-text-overlap
|
||
severity: str = "error" # error blocks the margin gate; warning is audit-only
|
||
related: str = "" # paired text/object snippet for overlap findings
|
||
|
||
|
||
@dataclass
|
||
class CollisionFinding:
|
||
"""A header/footer collision finding."""
|
||
sheet: int # 1-indexed PDF sheet number
|
||
label: str # printed page number
|
||
chapter: str # enclosing chapter title
|
||
band: str # "header" or "footer"
|
||
y: float # top coordinate of the colliding text line
|
||
snippet: str # colliding line text
|
||
|
||
|
||
@dataclass(frozen=True)
|
||
class CalloutBlock:
|
||
"""A source callout block and its likely manual page-break controls."""
|
||
start_line: int
|
||
end_line: int
|
||
fence: str
|
||
title: str
|
||
kind: str
|
||
existing_breaks: List[int]
|
||
|
||
|
||
@dataclass
|
||
class TableAuditEntry:
|
||
"""One source table included in a table-only PDF audit."""
|
||
index: int
|
||
label: str
|
||
caption: str
|
||
source_file: str
|
||
source_line: int
|
||
qmd_path: Path
|
||
table_markdown: str
|
||
caption_markdown: str
|
||
columns: int
|
||
rows: int
|
||
max_cell_chars: int
|
||
has_colwidths: bool
|
||
colwidths: str = ""
|
||
rendered_sheet: int = 0
|
||
rendered_width_pt: float = 0.0
|
||
rendered_width_frac: float = 0.0
|
||
warnings: List[str] = field(default_factory=list)
|
||
|
||
def to_report_dict(self) -> Dict[str, Any]:
|
||
return {
|
||
"index": self.index,
|
||
"label": self.label,
|
||
"source_file": self.source_file,
|
||
"source_line": self.source_line,
|
||
"caption": self.caption,
|
||
"columns": self.columns,
|
||
"rows": self.rows,
|
||
"max_cell_chars": self.max_cell_chars,
|
||
"has_colwidths": self.has_colwidths,
|
||
"colwidths": self.colwidths,
|
||
"rendered_sheet": self.rendered_sheet,
|
||
"rendered_width_pt": round(self.rendered_width_pt, 1),
|
||
"rendered_width_frac": round(self.rendered_width_frac, 3),
|
||
"warnings": self.warnings,
|
||
}
|
||
|
||
|
||
class LayoutCommand:
|
||
"""Diagnose PDF page-break whitespace issues."""
|
||
|
||
def __init__(self, config_manager, chapter_discovery):
|
||
self.config_manager = config_manager
|
||
self.chapter_discovery = chapter_discovery
|
||
|
||
# ------------------------------------------------------------------
|
||
# entry
|
||
# ------------------------------------------------------------------
|
||
|
||
def run(self, args: List[str]) -> bool:
|
||
parser = argparse.ArgumentParser(
|
||
prog="binder layout",
|
||
description=(
|
||
"PDF auto-layout planner and low-level diagnostics.\n\n"
|
||
"Default layout workflow: run `binder build pdf --vol1 "
|
||
"--layout` after a render, or `binder layout --vol1 --no-build` "
|
||
"to plan from an existing PDF. The high-level planner emits a "
|
||
"single strategy-routed queue. Main prose flow is always "
|
||
"phase 1; margin calibration is phase 2 and is deferred until "
|
||
"the prose flow is stable."
|
||
),
|
||
epilog=(
|
||
"Examples:\n"
|
||
" binder layout --vol1\n"
|
||
" Build Volume I PDF, then emit the auto-layout plan.\n"
|
||
" binder layout --vol1 --no-build --json /tmp/layout-plan.json\n"
|
||
" Reuse the existing PDF and write the machine-readable plan.\n"
|
||
" binder layout check book/quarto/_build/pdf-vol1/Machine-Learning-Systems-Vol1.pdf --csv\n"
|
||
" Low-level main-flow whitespace diagnostics.\n"
|
||
" binder layout margins book/quarto/_build/pdf-vol1/Machine-Learning-Systems-Vol1.pdf --csv\n"
|
||
" Low-level native margin-geometry diagnostics.\n\n"
|
||
"Layout repair contract:\n"
|
||
" 1. Prefer the high-level planner (`layout --volN` or build `--layout`).\n"
|
||
" 2. Route fixes by `channel` and `strategy`, not by prose wording.\n"
|
||
" 3. Clear phase 1 main-flow rows before applying phase 2 margin rows.\n"
|
||
" 4. Apply high-confidence ready rows, then rebuild and rescan.\n"
|
||
" 5. Use subcommands for debugging one scanner or one chapter."
|
||
),
|
||
formatter_class=_LayoutHelpFormatter,
|
||
add_help=True,
|
||
)
|
||
vol_group = parser.add_mutually_exclusive_group()
|
||
vol_group.add_argument(
|
||
"--vol1",
|
||
dest="volume",
|
||
action="store_const",
|
||
const="vol1",
|
||
help="Run the high-level auto-layout planner for Volume I.",
|
||
)
|
||
vol_group.add_argument(
|
||
"--vol2",
|
||
dest="volume",
|
||
action="store_const",
|
||
const="vol2",
|
||
help="Run the high-level auto-layout planner for Volume II.",
|
||
)
|
||
parser.add_argument(
|
||
"--no-build",
|
||
action="store_true",
|
||
help="For high-level layout planning, reuse the existing built PDF "
|
||
"instead of running `binder build pdf` first.",
|
||
)
|
||
parser.add_argument(
|
||
"--threshold",
|
||
type=float,
|
||
default=0.25,
|
||
help="High-level planner whitespace threshold (default 0.25).",
|
||
)
|
||
parser.add_argument(
|
||
"--limit",
|
||
type=int,
|
||
default=0,
|
||
help="High-level planner page limit (0 = all).",
|
||
)
|
||
parser.add_argument(
|
||
"--include-frontmatter",
|
||
action="store_true",
|
||
help="Include roman-numeral frontmatter in high-level whitespace "
|
||
"planning.",
|
||
)
|
||
parser.add_argument(
|
||
"--json",
|
||
dest="plan_json",
|
||
default="",
|
||
help="Write the high-level layout plan as JSON.",
|
||
)
|
||
sub = parser.add_subparsers(
|
||
dest="subcommand",
|
||
title="low-level diagnostic subcommands",
|
||
description=(
|
||
"Optional. Omit the subcommand when using --vol1/--vol2 for "
|
||
"the high-level auto-layout planner."
|
||
),
|
||
metavar="{collisions,check,margins,overlaps,tables}",
|
||
)
|
||
|
||
collisions = sub.add_parser(
|
||
"collisions",
|
||
help="Scan PDF for body content invading header / footer bands.",
|
||
formatter_class=_LayoutHelpFormatter,
|
||
)
|
||
collisions.add_argument("pdf", help="Path to PDF file to scan.")
|
||
collisions.add_argument(
|
||
"--chapter",
|
||
type=str,
|
||
default="",
|
||
help="Only scan outline chapters matching this comma-separated "
|
||
"title/slug/substring filter.",
|
||
)
|
||
collisions.add_argument(
|
||
"--csv",
|
||
action="store_true",
|
||
help="Emit one CSV row per collision: chapter,sheet,label,band,y,"
|
||
"snippet.",
|
||
)
|
||
|
||
check = sub.add_parser(
|
||
"check",
|
||
help="Scan PDF for whitespace gaps.",
|
||
description=(
|
||
"Low-level main-flow scanner. It flags pages with excessive "
|
||
"bottom whitespace and classifies the likely next-page culprit."
|
||
),
|
||
epilog=(
|
||
"Examples:\n"
|
||
" binder layout check <pdf> --skip-frontmatter\n"
|
||
" binder layout check <pdf> --chapter \"ML Systems\" --csv\n\n"
|
||
"CSV columns:\n"
|
||
" chapter,sheet,label,gap_pct,pts,culprit,detail,size_hint,\n"
|
||
" fix_hint,is_frontmatter,source_file,source_line,section,\n"
|
||
" next_page_starts_chapter,class,action,layout_strategy,\n"
|
||
" suggested_fix\n\n"
|
||
"For full volume layout work, prefer `binder layout --vol1 "
|
||
"--no-build` or `binder build pdf --vol1 --layout`."
|
||
),
|
||
formatter_class=_LayoutHelpFormatter,
|
||
)
|
||
check.add_argument("pdf", help="Path to PDF file to scan.")
|
||
check.add_argument(
|
||
"--chapter",
|
||
type=str,
|
||
default="",
|
||
help="Only scan outline chapters matching this comma-separated "
|
||
"title/slug/substring filter.",
|
||
)
|
||
check.add_argument(
|
||
"--threshold",
|
||
type=float,
|
||
default=0.25,
|
||
help="Flag pages where bottom whitespace exceeds this "
|
||
"fraction of usable text height (default 0.25).",
|
||
)
|
||
check.add_argument(
|
||
"--limit",
|
||
type=int,
|
||
default=0,
|
||
help="Only scan the first N pages (0 = all). For quick iteration.",
|
||
)
|
||
check.add_argument(
|
||
"--only",
|
||
type=str,
|
||
default="",
|
||
help="Comma-separated culprit classes to keep "
|
||
"(table,figure,heading,paragraph,callout/box,unknown,"
|
||
"end-of-document). Default: all.",
|
||
)
|
||
check.add_argument(
|
||
"--skip-frontmatter",
|
||
action="store_true",
|
||
help="Hide pages with roman-numeral labels (frontmatter / "
|
||
"intentional whitespace).",
|
||
)
|
||
check.add_argument(
|
||
"--csv",
|
||
action="store_true",
|
||
help="Emit one CSV row per flagged page to stdout instead of "
|
||
"the rich report. Includes source coordinates, "
|
||
"layout_strategy, and suggested_fix.",
|
||
)
|
||
|
||
margins = sub.add_parser(
|
||
"margins",
|
||
help="Strict rendered-geometry margin gate: overlaps plus footer/"
|
||
"header overflow (exits non-zero on any finding).",
|
||
description=(
|
||
"Low-level native margin-geometry scanner. It uses rendered "
|
||
"PDF boxes to find margin overlap plus footer/header overflow "
|
||
"and maps findings back to footnote offsets or .column-margin "
|
||
"spacing where possible."
|
||
),
|
||
epilog=(
|
||
"Examples:\n"
|
||
" binder layout margins <pdf> --csv\n"
|
||
" binder layout margins <pdf> --chapter \"Inference at Scale\"\n\n"
|
||
"Native CSV includes layout_strategy and suggested_fix. "
|
||
"Strategies `margin-offset` and `margin-vspace` are the "
|
||
"deterministic margin repair routes."
|
||
),
|
||
formatter_class=_LayoutHelpFormatter,
|
||
)
|
||
margins.add_argument("pdf", help="Path to PDF file to scan.")
|
||
margins.add_argument(
|
||
"--chapter",
|
||
type=str,
|
||
default="",
|
||
help="Only scan outline chapters matching this comma-separated "
|
||
"title/slug/substring filter.",
|
||
)
|
||
margins.add_argument(
|
||
"--tol",
|
||
type=float,
|
||
default=2.0,
|
||
help="Legacy mode only: points of slack below the footer line "
|
||
"before margin content counts as overflow (default 2.0).",
|
||
)
|
||
margins.add_argument(
|
||
"--limit",
|
||
type=int,
|
||
default=0,
|
||
help="Only scan the first N pages (0 = all). For quick iteration.",
|
||
)
|
||
margins.add_argument(
|
||
"--include-overlaps",
|
||
action="store_true",
|
||
help="Legacy mode only: also emit warning-level margin text "
|
||
"crowding and image/text overlap candidates.",
|
||
)
|
||
margins.add_argument(
|
||
"--legacy",
|
||
action="store_true",
|
||
help="Use the older pdfplumber footer-band heuristic with suggested "
|
||
"manual nudge recipes instead of the native PyMuPDF geometry gate.",
|
||
)
|
||
margins.add_argument(
|
||
"--csv",
|
||
action="store_true",
|
||
help="Emit machine-readable findings. Native mode emits rendered "
|
||
"geometry rows; legacy mode emits the old suggested_fix schema.",
|
||
)
|
||
|
||
overlaps = sub.add_parser(
|
||
"overlaps",
|
||
help="True-geometry margin scan (PyMuPDF): element-on-element "
|
||
"overlaps and footer/header overflow from rendered bbox "
|
||
"geometry, which the anchor-based 'margins' scan is blind to. "
|
||
"Exits non-zero on any overlap.",
|
||
formatter_class=_LayoutHelpFormatter,
|
||
)
|
||
overlaps.add_argument("pdf", help="Path to PDF file to scan.")
|
||
overlaps.add_argument(
|
||
"--chapter",
|
||
type=str,
|
||
default="",
|
||
help="Only scan outline chapters matching this comma-separated "
|
||
"title/slug/substring filter.",
|
||
)
|
||
overlaps.add_argument(
|
||
"--limit",
|
||
type=int,
|
||
default=0,
|
||
help="Only scan the first N pages (0 = all). For quick iteration.",
|
||
)
|
||
overlaps.add_argument(
|
||
"--json",
|
||
dest="json_out",
|
||
type=str,
|
||
default="",
|
||
help="Write findings as JSON to this path.",
|
||
)
|
||
overlaps.add_argument(
|
||
"--csv",
|
||
action="store_true",
|
||
help="Emit one CSV row per finding: chapter,sheet,label,issue,side,"
|
||
"detail,source_file,source_line,section,snippet,"
|
||
"layout_strategy,suggested_fix.",
|
||
)
|
||
overlaps.add_argument(
|
||
"--strict",
|
||
action="store_true",
|
||
help="Also exit non-zero on overflow findings, not just overlaps. "
|
||
"Default treats overflow as reported-but-non-blocking (the "
|
||
"known residuals are in-callout figures).",
|
||
)
|
||
|
||
tables = sub.add_parser(
|
||
"tables",
|
||
help="Render a table-only PDF audit for a volume or chapter.",
|
||
formatter_class=_LayoutHelpFormatter,
|
||
)
|
||
vol_group = tables.add_mutually_exclusive_group(required=True)
|
||
vol_group.add_argument(
|
||
"--vol1",
|
||
dest="volume",
|
||
action="store_const",
|
||
const="vol1",
|
||
help="Audit Volume I tables.",
|
||
)
|
||
vol_group.add_argument(
|
||
"--vol2",
|
||
dest="volume",
|
||
action="store_const",
|
||
const="vol2",
|
||
help="Audit Volume II tables.",
|
||
)
|
||
tables.add_argument(
|
||
"--chapter",
|
||
type=str,
|
||
default="",
|
||
help="Only include these comma-separated chapter stems/slugs.",
|
||
)
|
||
tables.add_argument(
|
||
"--limit",
|
||
type=int,
|
||
default=0,
|
||
help="Only include the first N extracted tables (0 = all).",
|
||
)
|
||
tables.add_argument(
|
||
"--min-width",
|
||
type=float,
|
||
default=0.68,
|
||
help="Advisory warning threshold for rendered table width as a "
|
||
"fraction of the main text block (default 0.68).",
|
||
)
|
||
tables.add_argument(
|
||
"--fail-under",
|
||
type=float,
|
||
default=0.0,
|
||
help="Exit non-zero when any measured table renders below this "
|
||
"width fraction. Default 0 keeps the audit advisory.",
|
||
)
|
||
tables.add_argument(
|
||
"--no-render",
|
||
action="store_true",
|
||
help="Extract tables and write tables.qmd/json/csv without "
|
||
"running Quarto.",
|
||
)
|
||
tables.add_argument(
|
||
"--no-contact-sheets",
|
||
action="store_true",
|
||
help="Skip PNG contact sheet generation after rendering.",
|
||
)
|
||
tables.add_argument(
|
||
"--contact-cols",
|
||
type=int,
|
||
default=3,
|
||
help="Contact-sheet thumbnail columns (default 3).",
|
||
)
|
||
tables.add_argument(
|
||
"--contact-rows",
|
||
type=int,
|
||
default=4,
|
||
help="Contact-sheet thumbnail rows (default 4).",
|
||
)
|
||
tables.add_argument(
|
||
"--dpi",
|
||
type=int,
|
||
default=110,
|
||
help="PDF rasterization DPI for contact sheets (default 110).",
|
||
)
|
||
|
||
purpose = sub.add_parser(
|
||
"purpose",
|
||
help="Check that each chapter's Purpose fits on its opener page "
|
||
"(no overflow onto the next page).",
|
||
formatter_class=_LayoutHelpFormatter,
|
||
)
|
||
purpose.add_argument("pdf", help="Path to the built volume PDF to scan.")
|
||
pvol = purpose.add_mutually_exclusive_group(required=True)
|
||
pvol.add_argument(
|
||
"--vol1", dest="volume", action="store_const", const="vol1",
|
||
help="Check Volume I.",
|
||
)
|
||
pvol.add_argument(
|
||
"--vol2", dest="volume", action="store_const", const="vol2",
|
||
help="Check Volume II.",
|
||
)
|
||
|
||
if not args:
|
||
parser.print_help()
|
||
return False
|
||
|
||
opts = parser.parse_args(args)
|
||
if opts.subcommand is None:
|
||
if not opts.volume:
|
||
parser.print_help()
|
||
return False
|
||
return self._auto_layout(
|
||
opts.volume,
|
||
build_first=not opts.no_build,
|
||
threshold=opts.threshold,
|
||
limit=opts.limit,
|
||
skip_frontmatter=not opts.include_frontmatter,
|
||
json_out=opts.plan_json,
|
||
)
|
||
if opts.subcommand == "collisions":
|
||
return self._collisions(
|
||
Path(opts.pdf),
|
||
chapter_filter=self._parse_chapter_filter(opts.chapter),
|
||
csv=opts.csv,
|
||
)
|
||
if opts.subcommand == "margins":
|
||
return self._margins(
|
||
Path(opts.pdf),
|
||
tol=opts.tol,
|
||
limit=opts.limit,
|
||
csv=opts.csv,
|
||
chapter_filter=self._parse_chapter_filter(opts.chapter),
|
||
include_overlaps=opts.include_overlaps,
|
||
legacy=opts.legacy,
|
||
)
|
||
if opts.subcommand == "overlaps":
|
||
return self._overlaps(
|
||
Path(opts.pdf),
|
||
limit=opts.limit,
|
||
json_out=opts.json_out,
|
||
strict=opts.strict,
|
||
chapter_filter=self._parse_chapter_filter(opts.chapter),
|
||
csv=opts.csv,
|
||
)
|
||
if opts.subcommand == "check":
|
||
only = (
|
||
set(s.strip() for s in opts.only.split(",") if s.strip())
|
||
if opts.only
|
||
else set()
|
||
)
|
||
return self._check(
|
||
Path(opts.pdf),
|
||
opts.threshold,
|
||
opts.limit,
|
||
only=only,
|
||
skip_frontmatter=opts.skip_frontmatter,
|
||
csv=opts.csv,
|
||
chapter_filter=self._parse_chapter_filter(opts.chapter),
|
||
)
|
||
if opts.subcommand == "tables":
|
||
return self._tables(
|
||
opts.volume,
|
||
chapter_filter=self._parse_chapter_filter(opts.chapter),
|
||
limit=opts.limit,
|
||
min_width=opts.min_width,
|
||
fail_under=opts.fail_under,
|
||
render=not opts.no_render,
|
||
contact_sheets=not opts.no_contact_sheets,
|
||
contact_cols=max(1, opts.contact_cols),
|
||
contact_rows=max(1, opts.contact_rows),
|
||
dpi=max(36, opts.dpi),
|
||
)
|
||
if opts.subcommand == "purpose":
|
||
return self._purpose(Path(opts.pdf), opts.volume)
|
||
|
||
parser.print_help()
|
||
return False
|
||
|
||
# ------------------------------------------------------------------
|
||
# purpose-overflow
|
||
# ------------------------------------------------------------------
|
||
|
||
def _purpose(self, pdf_path: Path, volume: str) -> bool:
|
||
"""Gate: no chapter's Purpose section may overflow past its opener page.
|
||
|
||
Delegates to book/tools/audit/check_purpose_overflow.py so the logic is
|
||
testable standalone and identical to the preflight runner.
|
||
"""
|
||
script = self._repo_root() / "book" / "tools" / "audit" / "check_purpose_overflow.py"
|
||
if not script.exists():
|
||
console.print(f"[red]Purpose check missing:[/red] {script}")
|
||
return False
|
||
try:
|
||
proc = subprocess.run(
|
||
["python3", str(script), str(pdf_path), "--vol", volume],
|
||
cwd=self._repo_root(),
|
||
)
|
||
except OSError as exc:
|
||
console.print(f"[red]Failed to run Purpose check:[/red] {exc}")
|
||
return False
|
||
return proc.returncode == 0
|
||
|
||
# ------------------------------------------------------------------
|
||
# tables
|
||
# ------------------------------------------------------------------
|
||
|
||
def _tables(
|
||
self,
|
||
volume: str,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
limit: int = 0,
|
||
min_width: float = 0.68,
|
||
fail_under: float = 0.0,
|
||
render: bool = True,
|
||
contact_sheets: bool = True,
|
||
contact_cols: int = 3,
|
||
contact_rows: int = 4,
|
||
dpi: int = 110,
|
||
) -> bool:
|
||
"""Build a table-only PDF audit using the production PDF geometry."""
|
||
repo_root = self._repo_root()
|
||
out_dir = repo_root / "book" / ".layout" / "tables" / volume
|
||
out_dir.mkdir(parents=True, exist_ok=True)
|
||
|
||
qmd_files = self._table_source_files(volume, chapter_filter)
|
||
if not qmd_files:
|
||
console.print(
|
||
f"[red]No QMD files found for {volume}"
|
||
f"{' / ' + ','.join(chapter_filter or []) if chapter_filter else ''}.[/red]"
|
||
)
|
||
return False
|
||
|
||
entries: List[TableAuditEntry] = []
|
||
for qmd in qmd_files:
|
||
entries.extend(self._extract_pipe_tables(qmd))
|
||
|
||
if limit > 0:
|
||
entries = entries[:limit]
|
||
for i, entry in enumerate(entries, start=1):
|
||
entry.index = i
|
||
|
||
if not entries:
|
||
console.print("[yellow]No captioned pipe tables found.[/yellow]")
|
||
return False
|
||
|
||
qmd_path = out_dir / "tables.qmd"
|
||
pdf_path = qmd_path.with_suffix(".pdf")
|
||
json_path = out_dir / "tables.json"
|
||
csv_path = out_dir / "tables.csv"
|
||
render_log = out_dir / "quarto-render.log"
|
||
|
||
self._write_table_audit_qmd(qmd_path, entries, volume)
|
||
console.print(
|
||
f"[bold blue]Extracted[/bold blue] {len(entries)} table"
|
||
f"{'s' if len(entries) != 1 else ''} from {len(qmd_files)} file"
|
||
f"{'s' if len(qmd_files) != 1 else ''}."
|
||
)
|
||
console.print(f"[dim]Audit source:[/dim] {qmd_path}")
|
||
|
||
render_ok = True
|
||
overfull_count = 0
|
||
if render:
|
||
render_ok = self._render_table_audit_pdf(qmd_path, render_log)
|
||
if not render_ok:
|
||
console.print(f"[red]Render failed.[/red] See {render_log}")
|
||
return False
|
||
overfull_count = self._count_overfull_hboxes(qmd_path.with_suffix(".log"))
|
||
if pdf_path.exists():
|
||
self._measure_table_pdf(pdf_path, entries, min_width=min_width)
|
||
if contact_sheets:
|
||
sheets = self._make_table_contact_sheets(
|
||
pdf_path,
|
||
out_dir / "contact-sheets",
|
||
cols=contact_cols,
|
||
rows=contact_rows,
|
||
dpi=dpi,
|
||
)
|
||
if sheets:
|
||
console.print("[dim]Contact sheets:[/dim]")
|
||
for sheet in sheets:
|
||
console.print(f" {sheet}")
|
||
else:
|
||
console.print(f"[red]Expected PDF not found:[/red] {pdf_path}")
|
||
return False
|
||
else:
|
||
console.print("[yellow]Skipped render (--no-render).[/yellow]")
|
||
|
||
self._write_table_reports(entries, json_path, csv_path)
|
||
self._render_table_summary(
|
||
entries,
|
||
pdf_path if pdf_path.exists() else None,
|
||
json_path,
|
||
csv_path,
|
||
min_width=min_width,
|
||
overfull_count=overfull_count,
|
||
rendered=render,
|
||
)
|
||
|
||
if fail_under > 0:
|
||
offenders = [
|
||
e for e in entries
|
||
if e.rendered_width_frac and e.rendered_width_frac < fail_under
|
||
]
|
||
if offenders:
|
||
console.print(
|
||
f"[red]✗ {len(offenders)} table"
|
||
f"{'s' if len(offenders) != 1 else ''} rendered below "
|
||
f"--fail-under {fail_under:.2f}[/red]"
|
||
)
|
||
return False
|
||
return render_ok
|
||
|
||
def _repo_root(self) -> Path:
|
||
root = Path(self.config_manager.root_dir).resolve()
|
||
if (root / "book" / "quarto").is_dir():
|
||
return root
|
||
if (root / "quarto").is_dir():
|
||
return root.parent
|
||
return root
|
||
|
||
def _table_source_files(
|
||
self,
|
||
volume: str,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
) -> List[Path]:
|
||
if chapter_filter:
|
||
out = []
|
||
for raw in chapter_filter:
|
||
spec = raw if raw.startswith(("vol1/", "vol2/")) else f"{volume}/{raw}"
|
||
qmd = self.chapter_discovery.find_chapter_file(
|
||
spec,
|
||
allow_fuzzy=True,
|
||
)
|
||
if qmd is None:
|
||
console.print(f"[yellow]Could not resolve chapter:[/yellow] {raw}")
|
||
continue
|
||
out.append(qmd)
|
||
return self._dedupe_paths(out)
|
||
|
||
config_path = (
|
||
self.config_manager.book_dir
|
||
/ "config"
|
||
/ f"_quarto-pdf-{volume}.yml"
|
||
)
|
||
ordered: List[Path] = []
|
||
if config_path.exists():
|
||
try:
|
||
import yaml # type: ignore
|
||
|
||
raw = yaml.safe_load(config_path.read_text(encoding="utf-8")) or {}
|
||
book = raw.get("book", {})
|
||
for section in ("chapters", "appendices"):
|
||
for entry in book.get(section, []) or []:
|
||
path_str = entry.get("file", "") if isinstance(entry, dict) else entry
|
||
if not isinstance(path_str, str) or not path_str.endswith(".qmd"):
|
||
continue
|
||
path = (self.config_manager.book_dir / path_str).resolve()
|
||
if path.name in {"index.qmd", "references.qmd"}:
|
||
continue
|
||
if path.exists():
|
||
ordered.append(path)
|
||
except Exception as exc:
|
||
console.print(
|
||
f"[yellow]Could not parse {config_path.name}: {exc}[/yellow]"
|
||
)
|
||
|
||
# Include any source file under the volume that is not listed in the
|
||
# PDF config, so audit coverage remains complete during chapter moves.
|
||
volume_dir = self.config_manager.book_dir / "contents" / volume
|
||
if volume_dir.exists():
|
||
ordered.extend(sorted(volume_dir.rglob("*.qmd")))
|
||
return self._dedupe_paths(ordered)
|
||
|
||
@staticmethod
|
||
def _dedupe_paths(paths: List[Path]) -> List[Path]:
|
||
seen = set()
|
||
out = []
|
||
for path in paths:
|
||
resolved = path.resolve()
|
||
if resolved in seen:
|
||
continue
|
||
seen.add(resolved)
|
||
out.append(resolved)
|
||
return out
|
||
|
||
def _extract_pipe_tables(self, qmd_path: Path) -> List[TableAuditEntry]:
|
||
try:
|
||
lines = qmd_path.read_text(encoding="utf-8").splitlines()
|
||
except OSError:
|
||
return []
|
||
|
||
entries: List[TableAuditEntry] = []
|
||
rel = self._source_rel(qmd_path)
|
||
i = 0
|
||
while i < len(lines) - 1:
|
||
if not self._is_pipe_table_start(lines, i):
|
||
i += 1
|
||
continue
|
||
|
||
start = i
|
||
end = i
|
||
while end < len(lines) and lines[end].lstrip().startswith("|"):
|
||
end += 1
|
||
|
||
caption_idx = end
|
||
while caption_idx < len(lines) and not lines[caption_idx].strip():
|
||
caption_idx += 1
|
||
if caption_idx >= len(lines):
|
||
i = end
|
||
continue
|
||
|
||
caption_line = lines[caption_idx].strip()
|
||
if not caption_line.startswith(":") or "#tbl-" not in caption_line:
|
||
i = end
|
||
continue
|
||
|
||
table_lines = lines[start:end]
|
||
label = self._table_label_from_caption(caption_line)
|
||
if not label:
|
||
i = caption_idx + 1
|
||
continue
|
||
|
||
columns = self._pipe_column_count(table_lines[1])
|
||
rows = max(0, len(table_lines) - 2)
|
||
cells = self._pipe_table_cells(table_lines)
|
||
max_cell_chars = max((len(c) for c in cells), default=0)
|
||
colwidths = self._table_colwidths_from_caption(caption_line)
|
||
caption_text = self._caption_text(caption_line)
|
||
|
||
entries.append(TableAuditEntry(
|
||
index=0,
|
||
label=label,
|
||
caption=caption_text,
|
||
source_file=rel,
|
||
source_line=caption_idx + 1,
|
||
qmd_path=qmd_path,
|
||
table_markdown="\n".join(table_lines),
|
||
caption_markdown=caption_line,
|
||
columns=columns,
|
||
rows=rows,
|
||
max_cell_chars=max_cell_chars,
|
||
has_colwidths=bool(colwidths),
|
||
colwidths=colwidths,
|
||
warnings=self._static_table_warnings(
|
||
columns,
|
||
rows,
|
||
max_cell_chars,
|
||
bool(colwidths),
|
||
),
|
||
))
|
||
i = caption_idx + 1
|
||
return entries
|
||
|
||
def _source_rel(self, qmd_path: Path) -> str:
|
||
try:
|
||
return str(qmd_path.relative_to(self.config_manager.book_dir))
|
||
except ValueError:
|
||
try:
|
||
return str(qmd_path.relative_to(self._repo_root()))
|
||
except ValueError:
|
||
return str(qmd_path)
|
||
|
||
@classmethod
|
||
def _is_pipe_table_start(cls, lines: List[str], idx: int) -> bool:
|
||
return (
|
||
idx + 1 < len(lines)
|
||
and lines[idx].lstrip().startswith("|")
|
||
and cls._is_pipe_separator(lines[idx + 1])
|
||
)
|
||
|
||
@staticmethod
|
||
def _is_pipe_separator(line: str) -> bool:
|
||
stripped = line.strip()
|
||
if "|" not in stripped or "-" not in stripped:
|
||
return False
|
||
stripped = stripped.strip("|").strip()
|
||
if not stripped:
|
||
return False
|
||
cells = [cell.strip() for cell in stripped.split("|")]
|
||
return all(cell and set(cell) <= {"-", ":", " "} for cell in cells)
|
||
|
||
@staticmethod
|
||
def _pipe_column_count(separator_line: str) -> int:
|
||
return len(separator_line.strip().strip("|").split("|"))
|
||
|
||
@staticmethod
|
||
def _pipe_table_cells(table_lines: List[str]) -> List[str]:
|
||
cells: List[str] = []
|
||
for line in table_lines:
|
||
if LayoutCommand._is_pipe_separator(line):
|
||
continue
|
||
for cell in line.strip().strip("|").split("|"):
|
||
text = re.sub(r"\s+", " ", cell).strip()
|
||
text = re.sub(r"[*_`$\\{}[\]()<>&#]", "", text)
|
||
if text:
|
||
cells.append(text)
|
||
return cells
|
||
|
||
@staticmethod
|
||
def _table_label_from_caption(caption_line: str) -> str:
|
||
match = re.search(r"\{[^}]*#(tbl-[A-Za-z0-9_-]+)[^}]*\}", caption_line)
|
||
return match.group(1) if match else ""
|
||
|
||
@staticmethod
|
||
def _table_colwidths_from_caption(caption_line: str) -> str:
|
||
match = re.search(r'tbl-colwidths=(["\'])(.*?)\1', caption_line)
|
||
return match.group(2) if match else ""
|
||
|
||
@staticmethod
|
||
def _caption_text(caption_line: str) -> str:
|
||
text = caption_line.lstrip(":").strip()
|
||
text = re.sub(r"\s*\{[^}]*#tbl-[^}]*\}\s*$", "", text).strip()
|
||
text = re.sub(r"\s+", " ", text)
|
||
return text
|
||
|
||
@staticmethod
|
||
def _static_table_warnings(
|
||
columns: int,
|
||
rows: int,
|
||
max_cell_chars: int,
|
||
has_colwidths: bool,
|
||
) -> List[str]:
|
||
warnings: List[str] = []
|
||
if columns >= 4 and rows >= 4 and max_cell_chars >= 36 and not has_colwidths:
|
||
warnings.append("wide-dense-table-without-colwidths")
|
||
if columns <= 2 and rows <= 5 and has_colwidths:
|
||
warnings.append("simple-table-has-colwidths-review-necessity")
|
||
if columns >= 5 and not has_colwidths:
|
||
warnings.append("many-columns-without-colwidths")
|
||
return warnings
|
||
|
||
def _write_table_audit_qmd(
|
||
self,
|
||
qmd_path: Path,
|
||
entries: List[TableAuditEntry],
|
||
volume: str,
|
||
) -> None:
|
||
theme = (self.config_manager.book_dir / "tex" / f"theme-colors-{volume}.tex").resolve()
|
||
header = (self.config_manager.book_dir / "tex" / "header-includes.tex").resolve()
|
||
bib = (
|
||
self.config_manager.book_dir
|
||
/ "contents"
|
||
/ "references.bib"
|
||
).resolve()
|
||
|
||
lines = [
|
||
"---",
|
||
"format:",
|
||
" pdf:",
|
||
" documentclass: scrbook",
|
||
" classoption:",
|
||
" - twoside",
|
||
" pdf-engine: lualatex",
|
||
" keep-tex: true",
|
||
" number-sections: false",
|
||
" include-in-header:",
|
||
f' - file: "{theme}"',
|
||
f' - file: "{header}"',
|
||
"execute:",
|
||
" enabled: false",
|
||
"citation: true",
|
||
"suppress-bibliography: true",
|
||
]
|
||
if bib.exists():
|
||
lines.extend(["bibliography:", f' - "{bib}"'])
|
||
lines.extend([
|
||
"---",
|
||
"",
|
||
"\\pagestyle{empty}",
|
||
"",
|
||
f"`MLSysBook {volume.upper()} Table Layout Audit`",
|
||
"",
|
||
])
|
||
|
||
for entry in entries:
|
||
if entry.index > 1:
|
||
lines.extend(["\\clearpage", ""])
|
||
lines.extend([
|
||
f"`{entry.index:03d} {entry.label}`",
|
||
"",
|
||
f"`{entry.source_file}:{entry.source_line}`",
|
||
"",
|
||
entry.table_markdown,
|
||
"",
|
||
entry.caption_markdown,
|
||
"",
|
||
])
|
||
|
||
qmd_path.write_text("\n".join(lines), encoding="utf-8")
|
||
|
||
def _render_table_audit_pdf(self, qmd_path: Path, render_log: Path) -> bool:
|
||
if shutil.which("quarto") is None:
|
||
console.print("[red]quarto not found on PATH.[/red]")
|
||
return False
|
||
console.print("[bold blue]Rendering table-only PDF[/bold blue] ...")
|
||
proc = subprocess.run(
|
||
["quarto", "render", str(qmd_path), "--to", "pdf"],
|
||
cwd=str(self._repo_root()),
|
||
text=True,
|
||
stdout=subprocess.PIPE,
|
||
stderr=subprocess.STDOUT,
|
||
)
|
||
render_log.write_text(proc.stdout or "", encoding="utf-8")
|
||
if proc.returncode != 0:
|
||
tail = "\n".join((proc.stdout or "").splitlines()[-20:])
|
||
if tail:
|
||
console.print(tail)
|
||
return False
|
||
return True
|
||
|
||
@staticmethod
|
||
def _count_overfull_hboxes(log_path: Path) -> int:
|
||
if not log_path.exists():
|
||
return 0
|
||
try:
|
||
text = log_path.read_text(encoding="utf-8", errors="ignore")
|
||
except OSError:
|
||
return 0
|
||
return len(re.findall(r"Overfull \\hbox", text))
|
||
|
||
def _measure_table_pdf(
|
||
self,
|
||
pdf_path: Path,
|
||
entries: List[TableAuditEntry],
|
||
min_width: float,
|
||
) -> None:
|
||
try:
|
||
import pdfplumber # type: ignore
|
||
except ImportError:
|
||
console.print("[yellow]pdfplumber unavailable; skipping width metrics.[/yellow]")
|
||
return
|
||
|
||
by_index = {entry.index: entry for entry in entries}
|
||
with pdfplumber.open(str(pdf_path)) as pdf:
|
||
for page_idx, page in enumerate(pdf.pages, start=1):
|
||
text = page.extract_text(x_tolerance=1, y_tolerance=3) or ""
|
||
marker = TABLE_MARKER_RE.search(text[:600])
|
||
if not marker:
|
||
continue
|
||
entry = by_index.get(int(marker.group("idx")))
|
||
if entry is None:
|
||
continue
|
||
entry.warnings = [
|
||
warning for warning in entry.warnings
|
||
if warning == "simple-table-has-colwidths-review-necessity"
|
||
]
|
||
width = self._page_table_rule_width(page)
|
||
if width <= 0:
|
||
width = self._page_table_text_width(page)
|
||
entry.rendered_sheet = page_idx
|
||
entry.rendered_width_pt = width
|
||
if width > 0:
|
||
entry.rendered_width_frac = width / PDF_BODY_WIDTH_PT
|
||
if entry.rendered_width_frac < min_width:
|
||
entry.warnings.append(
|
||
f"narrow-render:{entry.rendered_width_frac:.2f}"
|
||
)
|
||
if (
|
||
entry.has_colwidths
|
||
and (
|
||
(entry.columns <= 2 and entry.rows <= 5)
|
||
or (entry.columns <= 3 and entry.rows <= 3)
|
||
)
|
||
):
|
||
entry.warnings.append("colwidths-may-be-unnecessary")
|
||
|
||
@staticmethod
|
||
def _page_table_rule_width(page) -> float:
|
||
widths = []
|
||
for line in list(getattr(page, "lines", []) or []):
|
||
x0, x1 = line.get("x0", 0.0), line.get("x1", 0.0)
|
||
y0, y1 = line.get("y0", 0.0), line.get("y1", 0.0)
|
||
top = line.get("top", 0.0)
|
||
width = x1 - x0
|
||
if abs(y1 - y0) <= 0.5 and width >= 30 and top >= 95:
|
||
widths.append(width)
|
||
return max(widths, default=0.0)
|
||
|
||
@staticmethod
|
||
def _page_table_text_width(page) -> float:
|
||
chars = [
|
||
c for c in getattr(page, "chars", []) or []
|
||
if c.get("top", 0) >= 115 and c.get("bottom", 0) <= page.height * 0.94
|
||
]
|
||
if not chars:
|
||
return 0.0
|
||
return max(c["x1"] for c in chars) - min(c["x0"] for c in chars)
|
||
|
||
def _make_table_contact_sheets(
|
||
self,
|
||
pdf_path: Path,
|
||
out_dir: Path,
|
||
cols: int = 3,
|
||
rows: int = 4,
|
||
dpi: int = 110,
|
||
) -> List[Path]:
|
||
try:
|
||
import pypdfium2 as pdfium # type: ignore
|
||
from PIL import Image, ImageDraw # type: ignore
|
||
except ImportError:
|
||
console.print(
|
||
"[yellow]pypdfium2/Pillow unavailable; skipping contact sheets.[/yellow]"
|
||
)
|
||
return []
|
||
|
||
out_dir.mkdir(parents=True, exist_ok=True)
|
||
for old in out_dir.glob("sheet-*.png"):
|
||
old.unlink()
|
||
|
||
pdf = pdfium.PdfDocument(str(pdf_path))
|
||
per_sheet = cols * rows
|
||
cell_w, cell_h = 360, 470
|
||
pad = 16
|
||
label_h = 18
|
||
sheet_w = cols * cell_w + (cols + 1) * pad
|
||
sheet_h = rows * (cell_h + label_h) + (rows + 1) * pad
|
||
sheets: List[Path] = []
|
||
sheet_img = None
|
||
draw = None
|
||
|
||
for page_idx in range(len(pdf)):
|
||
slot = page_idx % per_sheet
|
||
if slot == 0:
|
||
sheet_img = Image.new("RGB", (sheet_w, sheet_h), "white")
|
||
draw = ImageDraw.Draw(sheet_img)
|
||
|
||
assert sheet_img is not None and draw is not None
|
||
page = pdf[page_idx]
|
||
bitmap = page.render(scale=dpi / 72.0)
|
||
thumb = bitmap.to_pil().convert("RGB")
|
||
thumb.thumbnail((cell_w, cell_h), Image.Resampling.LANCZOS)
|
||
|
||
col = slot % cols
|
||
row = slot // cols
|
||
x = pad + col * (cell_w + pad)
|
||
y = pad + row * (cell_h + label_h + pad)
|
||
draw.text((x, y), f"sheet {page_idx + 1}", fill=(80, 80, 80))
|
||
sheet_img.paste(thumb, (x, y + label_h))
|
||
page.close()
|
||
|
||
if slot == per_sheet - 1 or page_idx == len(pdf) - 1:
|
||
out = out_dir / f"sheet-{len(sheets) + 1:02d}.png"
|
||
sheet_img.save(out)
|
||
sheets.append(out)
|
||
|
||
pdf.close()
|
||
return sheets
|
||
|
||
def _write_table_reports(
|
||
self,
|
||
entries: List[TableAuditEntry],
|
||
json_path: Path,
|
||
csv_path: Path,
|
||
) -> None:
|
||
rows = [entry.to_report_dict() for entry in entries]
|
||
json_path.write_text(json.dumps(rows, indent=2), encoding="utf-8")
|
||
with csv_path.open("w", newline="", encoding="utf-8") as f:
|
||
writer = csv.DictWriter(
|
||
f,
|
||
fieldnames=[
|
||
"index",
|
||
"label",
|
||
"source_file",
|
||
"source_line",
|
||
"columns",
|
||
"rows",
|
||
"max_cell_chars",
|
||
"has_colwidths",
|
||
"colwidths",
|
||
"rendered_sheet",
|
||
"rendered_width_pt",
|
||
"rendered_width_frac",
|
||
"warnings",
|
||
"caption",
|
||
],
|
||
)
|
||
writer.writeheader()
|
||
for row in rows:
|
||
row = dict(row)
|
||
row["warnings"] = ";".join(row["warnings"])
|
||
writer.writerow(row)
|
||
|
||
def _render_table_summary(
|
||
self,
|
||
entries: List[TableAuditEntry],
|
||
pdf_path: Optional[Path],
|
||
json_path: Path,
|
||
csv_path: Path,
|
||
min_width: float,
|
||
overfull_count: int,
|
||
rendered: bool,
|
||
) -> None:
|
||
warned = [e for e in entries if e.warnings]
|
||
narrow = [e for e in entries if any(w.startswith("narrow-render") for w in e.warnings)]
|
||
explicit = [e for e in entries if e.has_colwidths]
|
||
|
||
table = Table(show_header=True, header_style="bold")
|
||
table.add_column("metric")
|
||
table.add_column("value", justify="right")
|
||
table.add_row("tables", str(len(entries)))
|
||
table.add_row("explicit tbl-colwidths", str(len(explicit)))
|
||
table.add_row(f"below min-width {min_width:.2f}", str(len(narrow)))
|
||
table.add_row("tables with warnings", str(len(warned)))
|
||
if rendered:
|
||
table.add_row("overfull hbox warnings", str(overfull_count))
|
||
console.print(Panel(table, title="Table Layout Audit", border_style="cyan"))
|
||
if pdf_path is not None:
|
||
console.print(f"[dim]PDF:[/dim] {pdf_path}")
|
||
console.print(f"[dim]JSON:[/dim] {json_path}")
|
||
console.print(f"[dim]CSV:[/dim] {csv_path}")
|
||
|
||
if warned:
|
||
console.print("[bold yellow]Top warning candidates:[/bold yellow]")
|
||
for entry in warned[:20]:
|
||
width = (
|
||
f"{entry.rendered_width_frac:.2f}"
|
||
if entry.rendered_width_frac
|
||
else "?"
|
||
)
|
||
console.print(
|
||
f" {entry.index:03d} {entry.label} "
|
||
f"[dim]{entry.source_file}:{entry.source_line} "
|
||
f"width={width}[/dim] "
|
||
f"{', '.join(entry.warnings)}"
|
||
)
|
||
if len(warned) > 20:
|
||
console.print(f" [dim]...and {len(warned) - 20} more[/dim]")
|
||
|
||
# ------------------------------------------------------------------
|
||
# check
|
||
# ------------------------------------------------------------------
|
||
|
||
def _auto_layout(
|
||
self,
|
||
volume: str,
|
||
build_first: bool = True,
|
||
threshold: float = 0.25,
|
||
limit: int = 0,
|
||
skip_frontmatter: bool = True,
|
||
json_out: str = "",
|
||
) -> bool:
|
||
"""High-level volume layout planner.
|
||
|
||
This is the command-level contract for future automatic layout:
|
||
render or reuse a volume PDF, collect both main-flow whitespace and
|
||
margin-geometry findings, then emit one strategy-routed plan. Source
|
||
edits stay out of the default path so an apply loop can rebuild and
|
||
re-measure after each batch.
|
||
"""
|
||
if volume not in {"vol1", "vol2"}:
|
||
console.print("[red]Use --vol1 or --vol2.[/red]")
|
||
return False
|
||
|
||
volume_label = "Volume I" if volume == "vol1" else "Volume II"
|
||
if build_first:
|
||
console.print(
|
||
f"[bold blue]Auto layout[/bold blue] building {volume_label} PDF first"
|
||
)
|
||
if not self._build_volume_pdf(volume):
|
||
return False
|
||
|
||
pdf_path = self._default_volume_pdf(volume)
|
||
if not pdf_path.exists():
|
||
console.print(
|
||
f"[red]PDF not found:[/red] {pdf_path}\n"
|
||
f"[yellow]Run `./book/binder build pdf --{volume}` or omit "
|
||
"`--no-build`.[/yellow]"
|
||
)
|
||
return False
|
||
|
||
whitespace_result = self._collect_whitespace_reports(
|
||
pdf_path,
|
||
threshold=threshold,
|
||
limit=limit,
|
||
)
|
||
margin_result = self._collect_margin_geometry_rows(
|
||
pdf_path,
|
||
limit=limit,
|
||
)
|
||
if whitespace_result is None or margin_result is None:
|
||
return False
|
||
|
||
whitespace_rows, scanned = whitespace_result
|
||
if skip_frontmatter:
|
||
whitespace_rows = [r for r in whitespace_rows if not r.is_frontmatter]
|
||
margin_rows, margin_scanned, page_count = margin_result
|
||
|
||
plan = self._layout_plan_payload(
|
||
volume=volume,
|
||
pdf_path=pdf_path,
|
||
whitespace_rows=whitespace_rows,
|
||
margin_rows=margin_rows,
|
||
pages_scanned=max(scanned, margin_scanned),
|
||
page_count=page_count,
|
||
)
|
||
self._render_layout_plan(plan)
|
||
|
||
if json_out:
|
||
out = Path(json_out)
|
||
out.parent.mkdir(parents=True, exist_ok=True)
|
||
out.write_text(json.dumps(plan, indent=2), encoding="utf-8")
|
||
console.print(f"[dim]wrote {out}[/dim]")
|
||
|
||
# Purpose-overflow gate: every chapter Purpose must fit its opener page.
|
||
console.print("\n[bold]Purpose-overflow check[/bold]")
|
||
purpose_ok = self._purpose(pdf_path, volume)
|
||
|
||
return (not plan["items"]) and purpose_ok
|
||
|
||
def _build_volume_pdf(self, volume: str) -> bool:
|
||
binder = self._repo_root() / "book" / "binder"
|
||
if not binder.exists():
|
||
binder = self._repo_root() / "binder"
|
||
cmd = [str(binder), "build", "pdf", f"--{volume}"]
|
||
console.print(f"[blue]💻 Command: {' '.join(cmd)}[/blue]")
|
||
try:
|
||
proc = subprocess.run(cmd, cwd=self._repo_root())
|
||
except OSError as exc:
|
||
console.print(f"[red]Failed to run build:[/red] {exc}")
|
||
return False
|
||
return proc.returncode == 0
|
||
|
||
def _default_volume_pdf(self, volume: str) -> Path:
|
||
try:
|
||
from cli.commands._pdf_checks import default_pdf_path
|
||
except ImportError:
|
||
from book.cli.commands._pdf_checks import default_pdf_path
|
||
return default_pdf_path(self.config_manager.book_dir, volume)
|
||
|
||
def _layout_plan_payload(
|
||
self,
|
||
volume: str,
|
||
pdf_path: Path,
|
||
whitespace_rows: List[PageReport],
|
||
margin_rows: List[Dict[str, Any]],
|
||
pages_scanned: int,
|
||
page_count: int,
|
||
) -> Dict[str, Any]:
|
||
main_items: List[Dict[str, Any]] = []
|
||
for r in whitespace_rows:
|
||
strategy = r.layout_strategy or self._layout_strategy(r)
|
||
confidence = self._layout_strategy_confidence(strategy, r)
|
||
automatable = self._layout_strategy_automatable(strategy, r)
|
||
item = {
|
||
"phase": "1-main-flow",
|
||
"channel": "main-flow",
|
||
"strategy": strategy,
|
||
"confidence": confidence,
|
||
"automatable": automatable,
|
||
"deferred": False,
|
||
"ready": automatable and confidence == "high",
|
||
"chapter": r.chapter,
|
||
"sheet": r.sheet,
|
||
"label": r.label,
|
||
"gap_pct": int(r.whitespace_frac * 100),
|
||
"pts": int(r.whitespace_pts),
|
||
"culprit": r.cause,
|
||
"detail": r.detail,
|
||
"source_file": r.source_file,
|
||
"source_line": r.source_line,
|
||
"section": r.section,
|
||
"suggested_fix": self._suggest_whitespace_fix(r),
|
||
}
|
||
main_items.append(item)
|
||
|
||
active_main_flow = any(
|
||
item["channel"] == "main-flow"
|
||
and not str(item["strategy"]).startswith("accept-")
|
||
for item in main_items
|
||
)
|
||
|
||
margin_items: List[Dict[str, Any]] = []
|
||
for row in margin_rows:
|
||
f = row["finding"]
|
||
strategy = self._margin_geometry_strategy(row)
|
||
confidence = self._margin_strategy_confidence(strategy, row)
|
||
automatable = strategy in {"margin-offset", "margin-vspace"}
|
||
deferred = active_main_flow
|
||
margin_items.append({
|
||
"phase": "2-margin-calibration",
|
||
"channel": "margin-geometry",
|
||
"strategy": strategy,
|
||
"confidence": confidence,
|
||
"automatable": automatable,
|
||
"deferred": deferred,
|
||
"ready": automatable and confidence == "high" and not deferred,
|
||
"chapter": row["chapter"],
|
||
"sheet": f.page,
|
||
"label": row["label"],
|
||
"issue": f.issue,
|
||
"side": f.side,
|
||
"detail": f.detail,
|
||
"source_file": row["source_file"],
|
||
"source_line": row["source_line"],
|
||
"section": row["section"],
|
||
"snippet": f.snippet,
|
||
"suggested_fix": self._suggest_margin_geometry_fix(row),
|
||
})
|
||
|
||
items = main_items + margin_items
|
||
items.sort(key=lambda x: (
|
||
x["phase"],
|
||
x["chapter"],
|
||
-int(x["sheet"]),
|
||
x["channel"],
|
||
))
|
||
next_phase = "clean"
|
||
if active_main_flow:
|
||
next_phase = "1-main-flow"
|
||
elif margin_items:
|
||
next_phase = "2-margin-calibration"
|
||
return {
|
||
"volume": volume,
|
||
"pdf": str(pdf_path),
|
||
"pages_scanned": pages_scanned,
|
||
"page_count": page_count,
|
||
"workflow": {
|
||
"phase_order": [
|
||
"1-main-flow",
|
||
"2-margin-calibration",
|
||
],
|
||
"next_phase": next_phase,
|
||
"margin_deferred_until_main_flow_clean": active_main_flow,
|
||
},
|
||
"items": items,
|
||
"counts": {
|
||
"total": len(items),
|
||
"by_phase": dict(Counter(i["phase"] for i in items)),
|
||
"by_channel": dict(Counter(i["channel"] for i in items)),
|
||
"by_strategy": dict(Counter(i["strategy"] for i in items)),
|
||
"automatable": sum(1 for i in items if i["automatable"]),
|
||
"ready": sum(1 for i in items if i["ready"]),
|
||
"deferred": sum(1 for i in items if i["deferred"]),
|
||
},
|
||
}
|
||
|
||
def _render_layout_plan(self, plan: Dict[str, Any]) -> None:
|
||
items = plan["items"]
|
||
counts = plan["counts"]
|
||
if not items:
|
||
console.print(Panel(
|
||
f"No layout findings across {plan['pages_scanned']} scanned pages.",
|
||
title="✅ Auto Layout Plan Clean",
|
||
border_style="green",
|
||
))
|
||
return
|
||
|
||
strategy_summary = ", ".join(
|
||
f"{n}× {name}" for name, n in Counter(
|
||
item["strategy"] for item in items
|
||
).most_common()
|
||
)
|
||
channel_summary = ", ".join(
|
||
f"{n}× {name}" for name, n in Counter(
|
||
item["channel"] for item in items
|
||
).most_common()
|
||
)
|
||
phase_summary = ", ".join(
|
||
f"{n}× {name}" for name, n in Counter(
|
||
item["phase"] for item in items
|
||
).most_common()
|
||
)
|
||
console.print(Panel(
|
||
"\n".join([
|
||
f"PDF: {plan['pdf']}",
|
||
f"Findings: {counts['total']} "
|
||
f"({counts['ready']} ready now, {counts['deferred']} deferred)",
|
||
f"Next phase: {plan['workflow']['next_phase']}",
|
||
f"Phases: {phase_summary}",
|
||
f"Channels: {channel_summary}",
|
||
f"Strategies: {strategy_summary}",
|
||
]),
|
||
title="Auto Layout Plan",
|
||
border_style="yellow",
|
||
))
|
||
|
||
table = Table(show_header=True, header_style="bold", box=None, pad_edge=False)
|
||
table.add_column("phase", style="white", width=20)
|
||
table.add_column("channel", style="cyan", width=15)
|
||
table.add_column("strategy", style="blue", width=24)
|
||
table.add_column("sheet", justify="right", width=6)
|
||
table.add_column("confidence", style="magenta", width=10)
|
||
table.add_column("state", style="yellow", width=9)
|
||
table.add_column("source / fix", overflow="fold")
|
||
for item in items[:80]:
|
||
src = item.get("source_file") or "?"
|
||
if item.get("source_line"):
|
||
src = f"{src}:{item['source_line']}"
|
||
fix = item.get("suggested_fix") or ""
|
||
if item["deferred"]:
|
||
state = "deferred"
|
||
elif item["ready"]:
|
||
state = "ready"
|
||
else:
|
||
state = "review"
|
||
table.add_row(
|
||
item["phase"],
|
||
item["channel"],
|
||
item["strategy"],
|
||
str(item["sheet"]),
|
||
item["confidence"],
|
||
state,
|
||
f"{src}\n[dim]{fix}[/dim]",
|
||
)
|
||
console.print(table)
|
||
if len(items) > 80:
|
||
console.print(f"[dim]...and {len(items) - 80} more findings[/dim]")
|
||
|
||
@staticmethod
|
||
def _layout_strategy_confidence(strategy: str, report: PageReport) -> str:
|
||
if strategy == "callout-tcbbreak" and report.source_file and report.source_line:
|
||
return "high"
|
||
if strategy in {
|
||
"table-source-flow",
|
||
"figure-source-flow",
|
||
"paragraph-source-flow",
|
||
"source-flow-callout-adjacent",
|
||
}:
|
||
return "medium"
|
||
if strategy.startswith("accept-"):
|
||
return "high"
|
||
return "low"
|
||
|
||
@staticmethod
|
||
def _layout_strategy_automatable(strategy: str, report: PageReport) -> bool:
|
||
return (
|
||
strategy == "callout-tcbbreak"
|
||
and bool(report.source_file)
|
||
and report.source_line > 0
|
||
)
|
||
|
||
@staticmethod
|
||
def _margin_strategy_confidence(
|
||
strategy: str,
|
||
row: Dict[str, Any],
|
||
) -> str:
|
||
if strategy in {"margin-offset", "margin-vspace"}:
|
||
return "high" if row.get("source_file") and row.get("source_line") else "medium"
|
||
if strategy == "margin-stack-solve":
|
||
return "medium"
|
||
return "low"
|
||
|
||
def _collect_whitespace_reports(
|
||
self,
|
||
pdf_path: Path,
|
||
threshold: float,
|
||
limit: int = 0,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
) -> Optional[Tuple[List[PageReport], int]]:
|
||
if not pdf_path.exists():
|
||
console.print(f"[red]PDF not found:[/red] {pdf_path}")
|
||
return None
|
||
|
||
try:
|
||
import pdfplumber # type: ignore
|
||
except ImportError:
|
||
console.print(
|
||
"[red]pdfplumber not installed.[/red] "
|
||
"Run: [cyan]pip install pdfplumber[/cyan]"
|
||
)
|
||
return None
|
||
|
||
chapter_starts, labels = self._load_chapter_map(pdf_path)
|
||
source_map = self._build_source_map(pdf_path)
|
||
chapter_start_sheets = {start for start, _ in chapter_starts}
|
||
repo_root = self._repo_root_for(pdf_path)
|
||
|
||
flagged: List[PageReport] = []
|
||
scanned = 0
|
||
|
||
with pdfplumber.open(str(pdf_path)) as pdf:
|
||
n_pages = len(pdf.pages)
|
||
n_scan = n_pages if limit <= 0 else min(limit, n_pages)
|
||
|
||
for i in range(n_scan):
|
||
page = pdf.pages[i]
|
||
next_page = pdf.pages[i + 1] if i + 1 < n_pages else None
|
||
sheet = i + 1
|
||
label = labels[i] if i < len(labels) else str(sheet)
|
||
chapter = self._chapter_for(sheet, chapter_starts)
|
||
if not self._matches_chapter(chapter, chapter_filter):
|
||
continue
|
||
report = self._scan_page(page, next_page, sheet, label, chapter)
|
||
scanned += 1
|
||
if report and report.whitespace_frac >= threshold:
|
||
# Enrich with source-locator + class/action fields.
|
||
report.next_page_starts_chapter = (
|
||
(sheet + 1) in chapter_start_sheets
|
||
)
|
||
qmd_path = source_map.get(chapter)
|
||
if qmd_path is not None:
|
||
report.source_file = str(qmd_path)
|
||
if repo_root is not None:
|
||
abs_path = repo_root / qmd_path
|
||
line_num = self._find_source_line(
|
||
abs_path, report.detail, allow_short=False
|
||
)
|
||
report.source_line = line_num
|
||
if line_num > 0:
|
||
report.section = self._find_section(
|
||
abs_path, line_num
|
||
)
|
||
report.klass, report.action = self._classify(report)
|
||
report.layout_strategy = self._layout_strategy(report)
|
||
flagged.append(report)
|
||
|
||
return flagged, scanned
|
||
|
||
def _check(
|
||
self,
|
||
pdf_path: Path,
|
||
threshold: float,
|
||
limit: int,
|
||
only: Optional[set] = None,
|
||
skip_frontmatter: bool = False,
|
||
csv: bool = False,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
) -> bool:
|
||
if not csv:
|
||
console.print(
|
||
f"[bold blue]Scanning[/bold blue] {pdf_path.name} "
|
||
f"[dim](threshold={int(threshold*100)}%, "
|
||
f"main col <{int(MAIN_COL_RIGHT_FRAC*100)}% page width)[/dim]"
|
||
)
|
||
|
||
collected = self._collect_whitespace_reports(
|
||
pdf_path,
|
||
threshold=threshold,
|
||
limit=limit,
|
||
chapter_filter=chapter_filter,
|
||
)
|
||
if collected is None:
|
||
return False
|
||
flagged, scanned = collected
|
||
|
||
# Apply filters AFTER collection so the unfiltered counts are
|
||
# available for the summary line.
|
||
total_flagged = len(flagged)
|
||
if skip_frontmatter:
|
||
flagged = [r for r in flagged if not r.is_frontmatter]
|
||
if only:
|
||
flagged = [r for r in flagged if r.cause in only]
|
||
|
||
if csv:
|
||
self._render_csv(flagged)
|
||
else:
|
||
self._render(
|
||
flagged,
|
||
scanned,
|
||
threshold,
|
||
pdf_path,
|
||
total_flagged=total_flagged,
|
||
)
|
||
return True
|
||
|
||
# ------------------------------------------------------------------
|
||
# collisions
|
||
# ------------------------------------------------------------------
|
||
|
||
def _collisions(
|
||
self,
|
||
pdf_path: Path,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
csv: bool = False,
|
||
) -> bool:
|
||
"""Detect body content invading the header / footer band.
|
||
|
||
The header band (top 6%) is reserved for the running header and
|
||
page number; the footer band (bottom 6%) for the page number /
|
||
bottom rule. Any body text whose line lands inside either band
|
||
is a layout regression — most commonly caused by overly-tight
|
||
tcolorbox padding or margin overrides.
|
||
|
||
Chars sharing a y-baseline within 2pt are clustered as one
|
||
logical line, so running-header content (page number + chapter
|
||
title on slightly different baselines) is not double-counted.
|
||
"""
|
||
if not pdf_path.exists():
|
||
console.print(f"[red]PDF not found:[/red] {pdf_path}")
|
||
return False
|
||
try:
|
||
import pdfplumber # type: ignore
|
||
except ImportError:
|
||
console.print(
|
||
"[red]pdfplumber not installed.[/red] "
|
||
"Run: [cyan]pip install pdfplumber[/cyan]"
|
||
)
|
||
return False
|
||
|
||
header_collisions: List[CollisionFinding] = []
|
||
footer_collisions: List[CollisionFinding] = []
|
||
chapter_starts, labels = self._load_chapter_map(pdf_path)
|
||
scanned = 0
|
||
|
||
with pdfplumber.open(str(pdf_path)) as pdf:
|
||
for i, page in enumerate(pdf.pages):
|
||
sheet = i + 1
|
||
label = labels[i] if i < len(labels) else str(sheet)
|
||
chapter = self._chapter_for(sheet, chapter_starts)
|
||
if not self._matches_chapter(chapter, chapter_filter):
|
||
continue
|
||
scanned += 1
|
||
ph = page.height
|
||
pw = page.width
|
||
header_bottom = ph * HEADER_FRAC
|
||
footer_top = ph * (1.0 - FOOTER_FRAC)
|
||
|
||
# Cluster chars within 2pt of same y as one logical line.
|
||
lines: Dict[float, list] = {}
|
||
for c in page.chars:
|
||
if c["x0"] > pw * MAIN_COL_RIGHT_FRAC:
|
||
continue
|
||
placed = False
|
||
for ly in list(lines.keys()):
|
||
if abs(c["top"] - ly) < 2.0:
|
||
lines[ly].append(c)
|
||
placed = True
|
||
break
|
||
if not placed:
|
||
lines[c["top"]] = [c]
|
||
|
||
ys = sorted(lines.keys())
|
||
|
||
# Header collision: more than one logical line in header band.
|
||
hdr = [y for y in ys if y < header_bottom + 5]
|
||
if len(hdr) > 1:
|
||
snippet = self._line_text(lines[hdr[1]])
|
||
header_collisions.append(CollisionFinding(
|
||
sheet=sheet, label=label, chapter=chapter,
|
||
band="header", y=hdr[1], snippet=snippet,
|
||
))
|
||
|
||
# Footer collision: more than one logical line in footer band.
|
||
ftr = [y for y in ys if y > footer_top - 5]
|
||
if len(ftr) > 1:
|
||
snippet = self._line_text(lines[ftr[0]])
|
||
footer_collisions.append(CollisionFinding(
|
||
sheet=sheet, label=label, chapter=chapter,
|
||
band="footer", y=ftr[0], snippet=snippet,
|
||
))
|
||
|
||
if csv:
|
||
self._render_collisions_csv(header_collisions + footer_collisions)
|
||
return True
|
||
|
||
if not header_collisions and not footer_collisions:
|
||
console.print(
|
||
Panel(
|
||
f"No header or footer collisions across "
|
||
f"{scanned} "
|
||
f"pages.",
|
||
title="✅ Collision check clean",
|
||
border_style="green",
|
||
)
|
||
)
|
||
return True
|
||
|
||
console.print()
|
||
console.print(
|
||
f"[bold yellow]⚠ Header collisions: "
|
||
f"{len(header_collisions)}[/bold yellow]"
|
||
)
|
||
for item in header_collisions[:20]:
|
||
console.print(
|
||
f" p.{item.label} sheet {item.sheet} {item.chapter} "
|
||
f"y={item.y:.0f}: [dim]{item.snippet}[/dim]"
|
||
)
|
||
if len(header_collisions) > 20:
|
||
console.print(
|
||
f" [dim]…and {len(header_collisions) - 20} more[/dim]"
|
||
)
|
||
console.print(
|
||
f"[bold yellow]⚠ Footer collisions: "
|
||
f"{len(footer_collisions)}[/bold yellow]"
|
||
)
|
||
for item in footer_collisions[:20]:
|
||
console.print(
|
||
f" p.{item.label} sheet {item.sheet} {item.chapter} "
|
||
f"y={item.y:.0f}: [dim]{item.snippet}[/dim]"
|
||
)
|
||
return True
|
||
|
||
def _render_collisions_csv(
|
||
self, findings: List[CollisionFinding]
|
||
) -> None:
|
||
import csv as _csv
|
||
import sys
|
||
writer = _csv.writer(sys.stdout)
|
||
writer.writerow(["chapter", "sheet", "label", "band", "y", "snippet"])
|
||
for f in findings:
|
||
writer.writerow([
|
||
f.chapter,
|
||
f.sheet,
|
||
f.label,
|
||
f.band,
|
||
f"{f.y:.1f}",
|
||
f.snippet,
|
||
])
|
||
|
||
@staticmethod
|
||
def _line_text(line_chars: list) -> str:
|
||
line_chars = sorted(line_chars, key=lambda c: c["x0"])
|
||
return "".join(c.get("text", "") for c in line_chars).strip()[:60]
|
||
|
||
# ------------------------------------------------------------------
|
||
# margins — margin figure / note overflow off the page bottom
|
||
# ------------------------------------------------------------------
|
||
|
||
def _margins(
|
||
self,
|
||
pdf_path: Path,
|
||
tol: float = 2.0,
|
||
limit: int = 0,
|
||
csv: bool = False,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
include_overlaps: bool = False,
|
||
legacy: bool = False,
|
||
) -> bool:
|
||
"""Strict margin layout gate.
|
||
|
||
By default this uses the Binder-native PyMuPDF geometry scanner, which
|
||
gates both element-on-element margin overlap and footer/header overflow.
|
||
``--legacy`` keeps the older pdfplumber footer-band heuristic available
|
||
for source nudge recipes.
|
||
"""
|
||
if not legacy:
|
||
return self._overlaps(
|
||
pdf_path,
|
||
limit=limit,
|
||
strict=True,
|
||
chapter_filter=chapter_filter,
|
||
csv=csv,
|
||
)
|
||
|
||
if not pdf_path.exists():
|
||
console.print(f"[red]PDF not found:[/red] {pdf_path}")
|
||
return False
|
||
try:
|
||
import pdfplumber # type: ignore # noqa: F401
|
||
except ImportError:
|
||
console.print(
|
||
"[red]pdfplumber not installed.[/red] "
|
||
"Run: [cyan]pip install pdfplumber[/cyan]"
|
||
)
|
||
return False
|
||
|
||
console.print(
|
||
f"[bold blue]Scanning margins[/bold blue] {pdf_path.name} "
|
||
f"[dim](margin col <{int(LEFT_MARGIN_RIGHT_FRAC*100)}% "
|
||
f"or >{int(RIGHT_MARGIN_LEFT_FRAC*100)}% width, "
|
||
f"overflow = below {int((1-FOOTER_FRAC)*100)}% page height "
|
||
f"+ {tol:.0f}pt)[/dim]"
|
||
)
|
||
findings, scanned = self._collect_margin_findings(
|
||
pdf_path,
|
||
tol,
|
||
limit,
|
||
chapter_filter=chapter_filter,
|
||
include_overlaps=include_overlaps,
|
||
)
|
||
if csv:
|
||
self._render_margins_csv(findings)
|
||
else:
|
||
self._render_margins(findings, scanned, pdf_path)
|
||
return not any(f.severity == "error" for f in findings)
|
||
|
||
# ------------------------------------------------------------------
|
||
# overlaps (true PyMuPDF geometry)
|
||
# ------------------------------------------------------------------
|
||
|
||
def _collect_margin_geometry_rows(
|
||
self,
|
||
pdf_path: Path,
|
||
limit: int = 0,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
) -> Optional[Tuple[List[Dict[str, Any]], int, int]]:
|
||
if not pdf_path.exists():
|
||
console.print(f"[red]PDF not found:[/red] {pdf_path}")
|
||
return None
|
||
try:
|
||
try:
|
||
from cli.checks.margin_geometry import scan_pdf
|
||
except ImportError:
|
||
from book.cli.checks.margin_geometry import scan_pdf
|
||
except ImportError:
|
||
console.print(
|
||
"[red]PyMuPDF not installed.[/red] "
|
||
"Run: [cyan]pip install pymupdf[/cyan]"
|
||
)
|
||
return None
|
||
|
||
summary = scan_pdf(pdf_path, limit=limit)
|
||
chapter_starts, labels = self._load_chapter_map(pdf_path)
|
||
source_map = self._build_source_map(pdf_path)
|
||
repo_root = self._repo_root_for(pdf_path)
|
||
|
||
rows: List[Dict[str, Any]] = []
|
||
for f in summary.findings:
|
||
label = labels[f.page - 1] if f.page - 1 < len(labels) else str(f.page)
|
||
chapter = self._chapter_for(f.page, chapter_starts)
|
||
if not self._matches_chapter(chapter, chapter_filter):
|
||
continue
|
||
src_file, src_line, section = self._locate_margin_source(
|
||
repo_root, source_map, chapter, [f.snippet] if f.snippet else []
|
||
)
|
||
rows.append({
|
||
"finding": f,
|
||
"label": label,
|
||
"chapter": chapter,
|
||
"source_file": src_file,
|
||
"source_line": src_line,
|
||
"section": section,
|
||
})
|
||
return rows, summary.pages_scanned, summary.page_count
|
||
|
||
def _overlaps(
|
||
self,
|
||
pdf_path: Path,
|
||
limit: int = 0,
|
||
json_out: str = "",
|
||
strict: bool = False,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
csv: bool = False,
|
||
) -> bool:
|
||
"""True-geometry margin scan via PyMuPDF. Detects element-on-element
|
||
overlaps (always bugs) and footer/header overflow from rendered bbox
|
||
geometry, which the anchor-based ``margins`` scan cannot see.
|
||
|
||
Returns False (gate) when any overlap is found; with ``--strict`` also
|
||
fails on overflow. Overflow alone is reported but non-blocking by
|
||
default, since the known residuals are in-callout figures.
|
||
"""
|
||
collected = self._collect_margin_geometry_rows(
|
||
pdf_path,
|
||
limit=limit,
|
||
chapter_filter=chapter_filter,
|
||
)
|
||
if collected is None:
|
||
return False
|
||
rows, pages_scanned, page_count = collected
|
||
|
||
by_issue = Counter(row["finding"].issue for row in rows)
|
||
overlaps = by_issue.get("overlap", 0)
|
||
ob = by_issue.get("overflow-bottom", 0)
|
||
ot = by_issue.get("overflow-top", 0)
|
||
|
||
if csv:
|
||
self._render_margin_geometry_csv(rows)
|
||
else:
|
||
self._render_margin_geometry(
|
||
pdf_path,
|
||
rows,
|
||
pages_scanned=pages_scanned,
|
||
page_count=page_count,
|
||
)
|
||
|
||
if json_out:
|
||
from dataclasses import asdict
|
||
|
||
payload = []
|
||
for row in rows:
|
||
item = asdict(row["finding"])
|
||
item.update({
|
||
"label": row["label"],
|
||
"chapter": row["chapter"],
|
||
"source_file": row["source_file"],
|
||
"source_line": row["source_line"],
|
||
"section": row["section"],
|
||
})
|
||
payload.append(item)
|
||
Path(json_out).write_text(json.dumps(payload, indent=2))
|
||
if not csv:
|
||
console.print(f"[dim]wrote {json_out}[/dim]")
|
||
|
||
if overlaps:
|
||
return False
|
||
if strict and rows:
|
||
return False
|
||
return True
|
||
|
||
def _render_margin_geometry(
|
||
self,
|
||
pdf_path: Path,
|
||
rows: List[Dict[str, Any]],
|
||
pages_scanned: int,
|
||
page_count: int,
|
||
) -> None:
|
||
by_issue = Counter(row["finding"].issue for row in rows)
|
||
overlaps = by_issue.get("overlap", 0)
|
||
ob = by_issue.get("overflow-bottom", 0)
|
||
ot = by_issue.get("overflow-top", 0)
|
||
console.print(
|
||
f"[bold blue]Margin geometry[/bold blue] {pdf_path.name} "
|
||
f"[dim]({pages_scanned} of {page_count} pages, PyMuPDF bbox)[/dim]"
|
||
)
|
||
if rows:
|
||
table = Table(show_header=True, header_style="bold")
|
||
table.add_column("page", justify="right")
|
||
table.add_column("chapter")
|
||
table.add_column("issue")
|
||
table.add_column("side")
|
||
table.add_column("detail")
|
||
table.add_column("strategy")
|
||
table.add_column("source", overflow="fold")
|
||
table.add_column("fix", overflow="fold")
|
||
for row in rows:
|
||
f = row["finding"]
|
||
colour = "red" if f.issue == "overlap" else "yellow"
|
||
src = row["source_file"]
|
||
if row["source_line"]:
|
||
src += f":{row['source_line']}"
|
||
if row["section"]:
|
||
src += f" [{row['section']}]"
|
||
table.add_row(
|
||
f"{row['label']} (sheet {f.page})",
|
||
row["chapter"],
|
||
f"[{colour}]{f.issue}[/{colour}]",
|
||
f.side,
|
||
f.detail,
|
||
self._margin_geometry_strategy(row),
|
||
src or "[dim]?[/dim]",
|
||
self._suggest_margin_geometry_fix(row),
|
||
)
|
||
console.print(table)
|
||
console.print(
|
||
f"overlaps [red]{overlaps}[/red] "
|
||
f"overflow-bottom [yellow]{ob}[/yellow] "
|
||
f"overflow-top [yellow]{ot}[/yellow] "
|
||
f"[dim](total {len(rows)})[/dim]"
|
||
)
|
||
|
||
def _render_margin_geometry_csv(self, rows: List[Dict[str, Any]]) -> None:
|
||
import csv as _csv
|
||
|
||
repo_root = self._repo_root()
|
||
writer = _csv.writer(sys.stdout)
|
||
writer.writerow([
|
||
"chapter", "sheet", "label", "issue", "side", "detail",
|
||
"source_file", "source_line", "section", "snippet",
|
||
"layout_strategy", "suggested_fix",
|
||
])
|
||
for row in rows:
|
||
f = row["finding"]
|
||
writer.writerow([
|
||
row["chapter"],
|
||
f.page,
|
||
row["label"],
|
||
f.issue,
|
||
f.side,
|
||
f.detail,
|
||
_clickable_source(row["source_file"], repo_root),
|
||
row["source_line"],
|
||
row["section"],
|
||
f.snippet,
|
||
self._margin_geometry_strategy(row),
|
||
self._suggest_margin_geometry_fix(row),
|
||
])
|
||
|
||
def _margin_geometry_strategy(self, row: Dict[str, Any]) -> str:
|
||
f = row["finding"]
|
||
context = self._source_layout_context(
|
||
row.get("source_file") or "",
|
||
row.get("source_line") or 0,
|
||
)
|
||
if context == "footnote":
|
||
return "margin-offset"
|
||
if context == "column-margin":
|
||
return "margin-vspace"
|
||
if f.issue == "overlap":
|
||
return "margin-stack-solve"
|
||
if f.issue in {"overflow-bottom", "overflow-top"}:
|
||
return "margin-geometry-review"
|
||
return "manual-review"
|
||
|
||
def _source_layout_context(self, source_file: str, source_line: int) -> str:
|
||
if not source_file or source_line <= 0:
|
||
return ""
|
||
try:
|
||
lines = (self._repo_root() / source_file).read_text(
|
||
encoding="utf-8"
|
||
).splitlines()
|
||
except OSError:
|
||
return ""
|
||
if source_line > len(lines):
|
||
return ""
|
||
|
||
idx = source_line - 1
|
||
raw = lines[idx].strip()
|
||
if raw.startswith("[^"):
|
||
return "footnote"
|
||
if ".column-margin" in raw:
|
||
return "column-margin"
|
||
|
||
open_margin_re = re.compile(r"^:{3,}\s*\{[^}]*\.column-margin\b")
|
||
close_div_re = re.compile(r"^:{3,}\s*$")
|
||
for i in range(idx, -1, -1):
|
||
text = lines[i].strip()
|
||
if open_margin_re.match(text):
|
||
return "column-margin"
|
||
if close_div_re.match(text):
|
||
return ""
|
||
return ""
|
||
|
||
def _suggest_margin_geometry_fix(self, row: Dict[str, Any]) -> str:
|
||
"""Actionable source-level recipe for a native margin-geometry row."""
|
||
f = row["finding"]
|
||
source = row.get("source_file") or ""
|
||
line = row.get("source_line") or 0
|
||
source_ref = f"{source}:{line}" if source and line else source
|
||
context = self._source_layout_context(source, line)
|
||
|
||
pts = 0.0
|
||
# Native details end with useful magnitudes such as ``= 124pt`` or
|
||
# ``45pt below text box``. Keep this loose so future wording changes
|
||
# still produce a conservative nudge.
|
||
m = re.search(r"(\d+(?:\.\d+)?)pt\s+below", f.detail)
|
||
if not m:
|
||
m = re.search(r"=\s*(\d+(?:\.\d+)?)pt\b", f.detail)
|
||
if m:
|
||
pts = float(m.group(1))
|
||
mm = math.ceil(pts * 0.35) + 2 if pts > 0 else 0
|
||
|
||
if f.issue == "overflow-bottom":
|
||
offset_hint = self._offset_change_hint(source, line, -mm)
|
||
if source_ref and mm:
|
||
if offset_hint:
|
||
return (
|
||
f"apply upward nudge near {source_ref}: "
|
||
f"{offset_hint}"
|
||
)
|
||
if context == "footnote":
|
||
return (
|
||
f"apply upward nudge near {source_ref}: "
|
||
f"try [offset=-{mm}mm] on the footnote/sidenote"
|
||
)
|
||
if context == "column-margin":
|
||
return (
|
||
f"apply upward nudge near {source_ref}: "
|
||
f"try \\vspace*{{-{mm}mm}} inside .column-margin"
|
||
)
|
||
return (
|
||
f"apply upward nudge near {source_ref}: "
|
||
f"try [offset=-{mm}mm] for sidenote/footnote or "
|
||
f"\\vspace*{{-{mm}mm}} inside .column-margin"
|
||
)
|
||
if source_ref:
|
||
return (
|
||
f"apply upward nudge near {source_ref}: footnote offset "
|
||
"or in-block .column-margin \\vspace*"
|
||
)
|
||
return (
|
||
"needs eyes: bottom overflow without source match; inspect "
|
||
"nearest margin note/figure and nudge upward"
|
||
)
|
||
|
||
if f.issue == "overflow-top":
|
||
offset_hint = self._offset_change_hint(source, line, mm)
|
||
if source_ref and mm:
|
||
if offset_hint:
|
||
return (
|
||
f"apply downward nudge near {source_ref}: "
|
||
f"{offset_hint}"
|
||
)
|
||
if context == "footnote":
|
||
return (
|
||
f"apply downward nudge near {source_ref}: "
|
||
f"try [offset=+{mm}mm] on the footnote/sidenote"
|
||
)
|
||
if context == "column-margin":
|
||
return (
|
||
f"apply downward nudge near {source_ref}: "
|
||
f"try positive \\vspace*{{{mm}mm}} inside .column-margin"
|
||
)
|
||
return (
|
||
f"apply downward nudge near {source_ref}: "
|
||
f"try [offset=+{mm}mm] or positive in-block \\vspace*"
|
||
)
|
||
return "needs eyes: top overflow; move/nudge the nearest margin object down"
|
||
|
||
if f.issue == "overlap":
|
||
if source_ref:
|
||
if context == "footnote":
|
||
return (
|
||
f"resolve overlap near {source_ref}: adjust the "
|
||
"footnote [offset=...] before moving the reader anchor"
|
||
)
|
||
if context == "column-margin":
|
||
return (
|
||
f"resolve overlap near {source_ref}: adjust in-block "
|
||
"\\vspace* before moving the reader anchor"
|
||
)
|
||
return (
|
||
f"resolve overlap near {source_ref}: prefer in-block "
|
||
"\\vspace* or footnote [offset=...] before moving the "
|
||
"reader anchor"
|
||
)
|
||
return (
|
||
"needs eyes: overlap without source match; inspect same-page "
|
||
"margin figure/sidenote stack"
|
||
)
|
||
|
||
return "manual review"
|
||
|
||
def _offset_change_hint(
|
||
self,
|
||
source_file: str,
|
||
source_line: int,
|
||
delta_mm: int,
|
||
) -> str:
|
||
if not source_file or not source_line or not delta_mm:
|
||
return ""
|
||
try:
|
||
lines = (self._repo_root() / source_file).read_text(
|
||
encoding="utf-8"
|
||
).splitlines()
|
||
except OSError:
|
||
return ""
|
||
if source_line > len(lines):
|
||
return ""
|
||
line = lines[source_line - 1]
|
||
m = re.search(r"\[offset=([+-]?\d+(?:\.\d+)?)mm\]", line)
|
||
if not m:
|
||
return ""
|
||
old = float(m.group(1))
|
||
new = old + delta_mm
|
||
old_s = f"{old:g}"
|
||
new_s = f"{new:g}"
|
||
return f"change [offset={old_s}mm] to [offset={new_s}mm]"
|
||
|
||
@staticmethod
|
||
def _margin_side(pw, x0, x1) -> str:
|
||
"""Return the physical margin side containing an object, if any."""
|
||
if x1 <= pw * LEFT_MARGIN_RIGHT_FRAC:
|
||
return "left"
|
||
if x0 >= pw * RIGHT_MARGIN_LEFT_FRAC:
|
||
return "right"
|
||
return ""
|
||
|
||
@classmethod
|
||
def _margin_graphic_objects(cls, pw, images, rects=None, curves=None):
|
||
"""Return substantial image/vector boxes that sit in a margin band."""
|
||
objects = list(images or []) + list(rects or []) + list(curves or [])
|
||
margin_max_w = pw * 0.25
|
||
graphics = []
|
||
for obj in objects:
|
||
x0 = obj.get("x0", 0)
|
||
x1 = obj.get("x1", 0)
|
||
top = obj.get("top", 0)
|
||
bottom = obj.get("bottom", 0)
|
||
width = x1 - x0
|
||
height = bottom - top
|
||
if not cls._margin_side(pw, x0, x1):
|
||
continue
|
||
if width <= 0 or height <= 0 or width > margin_max_w:
|
||
continue
|
||
graphics.append(obj)
|
||
return graphics
|
||
|
||
@classmethod
|
||
def _page_overflow(cls, pw, ph, chars, images, tol):
|
||
"""Pure geometry: true margin-column chars/images whose bottom runs
|
||
below the usable bottom (footer band top + tol). Returns (over_chars,
|
||
over_imgs). Coordinates follow pdfplumber: x0 from left, bottom from
|
||
page top (increasing downward). Unit-tested with dict fixtures.
|
||
|
||
A char counts as margin content when it sits in either physical margin
|
||
band. This handles bound PDFs where margin notes alternate left/right.
|
||
Likewise an image/vector box must be narrow and fully in a margin band,
|
||
not a full-text-block figure straddling the body column.
|
||
"""
|
||
usable_bottom = ph * (1.0 - FOOTER_FRAC) + tol
|
||
|
||
# Text overflow is bounded to the page: a real margin caption clips at
|
||
# the page edge (dips into the footer band, still on-page). Text flung
|
||
# far BELOW the page edge (bottom > ph) is figure-internal label text
|
||
# mispositioned off-canvas, not a margin caption — exclude it. Images
|
||
# (below) stay uncapped: a tall margin figure legitimately runs off.
|
||
over_chars = [
|
||
line for line in cls._margin_text_lines(pw, chars)
|
||
if usable_bottom < line["bottom"] <= ph
|
||
]
|
||
margin_max_w = pw * 0.25
|
||
over_imgs = [
|
||
im for im in images
|
||
if cls._margin_side(pw, im.get("x0", 0), im.get("x1", 0))
|
||
and (im.get("x1", 0) - im.get("x0", 0)) <= margin_max_w
|
||
and im["bottom"] > usable_bottom
|
||
]
|
||
return over_chars, over_imgs
|
||
|
||
@classmethod
|
||
def _margin_text_lines(cls, pw, chars) -> List[dict]:
|
||
"""Cluster left/right margin chars into logical text-line boxes."""
|
||
raw_lines: Dict[Tuple[str, float], list] = {}
|
||
for c in chars:
|
||
side = cls._margin_side(pw, c["x0"], c["x1"])
|
||
if not side:
|
||
continue
|
||
for key in raw_lines:
|
||
key_side, ly = key
|
||
if key_side == side and abs(c["top"] - ly) < 2.0:
|
||
raw_lines[key].append(c)
|
||
break
|
||
else:
|
||
raw_lines[(side, c["top"])] = [c]
|
||
|
||
lines = []
|
||
for key in sorted(raw_lines, key=lambda item: (item[0], item[1])):
|
||
line_chars = sorted(raw_lines[key], key=lambda c: c["x0"])
|
||
text = "".join(ch.get("text", "") for ch in line_chars).strip()
|
||
if not text:
|
||
continue
|
||
lines.append({
|
||
"side": key[0],
|
||
"x0": min(ch["x0"] for ch in line_chars),
|
||
"x1": max(ch["x1"] for ch in line_chars),
|
||
"top": min(ch["top"] for ch in line_chars),
|
||
"bottom": max(ch["bottom"] for ch in line_chars),
|
||
"text": text[:90],
|
||
})
|
||
return lines
|
||
|
||
@staticmethod
|
||
def _substantial_margin_text(text: str) -> bool:
|
||
return len(re.findall(r"[A-Za-z0-9]", text or "")) >= 6
|
||
|
||
@classmethod
|
||
def _margin_baseline_crowding(
|
||
cls,
|
||
pw,
|
||
chars,
|
||
min_gap: float = 3.0,
|
||
min_deficit: float = 1.0,
|
||
) -> List[Tuple[dict, dict, float]]:
|
||
"""Return adjacent margin text lines whose baselines are implausibly close.
|
||
|
||
This intentionally uses baseline/top distance instead of bbox
|
||
intersection. Normal sidenote leading can make adjacent line boxes
|
||
geometrically overlap; truly bad collisions have baselines only a few
|
||
points apart.
|
||
"""
|
||
lines = cls._margin_text_lines(pw, chars)
|
||
findings: List[Tuple[dict, dict, float]] = []
|
||
for prev, cur in zip(lines, lines[1:]):
|
||
if prev.get("side") != cur.get("side"):
|
||
continue
|
||
if not (
|
||
cls._substantial_margin_text(prev["text"])
|
||
and cls._substantial_margin_text(cur["text"])
|
||
):
|
||
continue
|
||
baseline_gap = cur["top"] - prev["top"]
|
||
deficit = min_gap - baseline_gap
|
||
if 0 < baseline_gap < min_gap and deficit >= min_deficit:
|
||
findings.append((prev, cur, deficit))
|
||
return findings
|
||
|
||
@classmethod
|
||
def _margin_image_text_overlaps(
|
||
cls,
|
||
pw,
|
||
chars,
|
||
images,
|
||
min_image_edge: float = 20.0,
|
||
) -> List[Tuple[dict, dict, float]]:
|
||
"""Return substantial margin text lines intersecting substantial images.
|
||
|
||
Tiny icons are ignored; those often sit inside callout artwork and are
|
||
expected to share a band with labels.
|
||
"""
|
||
lines = cls._margin_text_lines(pw, chars)
|
||
overlaps: List[Tuple[dict, dict, float]] = []
|
||
for im in images or []:
|
||
im_side = cls._margin_side(pw, im.get("x0", 0), im.get("x1", 0))
|
||
if not im_side:
|
||
continue
|
||
width = im.get("x1", 0) - im.get("x0", 0)
|
||
height = im.get("bottom", 0) - im.get("top", 0)
|
||
if width < min_image_edge or height < min_image_edge:
|
||
continue
|
||
for line in lines:
|
||
if line.get("side") != im_side:
|
||
continue
|
||
if not cls._substantial_margin_text(line["text"]):
|
||
continue
|
||
x_overlap = min(line["x1"], im["x1"]) - max(line["x0"], im["x0"])
|
||
y_overlap = min(line["bottom"], im["bottom"]) - max(line["top"], im["top"])
|
||
if x_overlap > 0 and y_overlap > 1.0:
|
||
overlaps.append((line, im, y_overlap))
|
||
return overlaps
|
||
|
||
def _collect_margin_findings(
|
||
self,
|
||
pdf_path: Path,
|
||
tol: float = 2.0,
|
||
limit: int = 0,
|
||
chapter_filter: Optional[List[str]] = None,
|
||
include_overlaps: bool = False,
|
||
) -> Tuple[List["MarginFinding"], int]:
|
||
"""Detection core (no console output). Returns (findings, pages_scanned).
|
||
|
||
Shared by the ``binder layout margins`` gate and the warn-only build
|
||
postflight (via the module-level ``scan_margin_overflow`` helper).
|
||
"""
|
||
import pdfplumber # type: ignore
|
||
|
||
chapter_starts, labels = self._load_chapter_map(pdf_path)
|
||
source_map = self._build_source_map(pdf_path)
|
||
|
||
# Resolve repo root once for source-line lookups.
|
||
repo_root = self._repo_root_for(pdf_path)
|
||
|
||
findings: List[MarginFinding] = []
|
||
scanned = 0
|
||
with pdfplumber.open(str(pdf_path)) as pdf:
|
||
n_pages = len(pdf.pages)
|
||
n_scan = n_pages if limit <= 0 else min(limit, n_pages)
|
||
for i in range(n_scan):
|
||
page = pdf.pages[i]
|
||
sheet = i + 1
|
||
pw, ph = page.width, page.height
|
||
footer_top = ph * (1.0 - FOOTER_FRAC)
|
||
chapter = self._chapter_for(sheet, chapter_starts)
|
||
if not self._matches_chapter(chapter, chapter_filter):
|
||
continue
|
||
scanned += 1
|
||
label = labels[i] if i < len(labels) else str(sheet)
|
||
|
||
margin_text_lines = self._margin_text_lines(pw, page.chars)
|
||
line_texts = [line["text"] for line in margin_text_lines]
|
||
margin_graphics = self._margin_graphic_objects(
|
||
pw, page.images, page.rects, page.curves
|
||
)
|
||
|
||
over_chars, over_imgs = self._page_overflow(
|
||
pw, ph, page.chars, margin_graphics, tol
|
||
)
|
||
|
||
if over_chars or over_imgs:
|
||
bottoms = (
|
||
[c["bottom"] for c in over_chars]
|
||
+ [im["bottom"] for im in over_imgs]
|
||
)
|
||
max_bottom = max(bottoms)
|
||
over_pts = max_bottom - footer_top
|
||
off_page = max_bottom > ph
|
||
sig = []
|
||
if over_imgs:
|
||
sig.append("image")
|
||
if over_chars:
|
||
sig.append("caption/text")
|
||
signal = "+".join(sig)
|
||
snippet = line_texts[-1] if line_texts else ""
|
||
src_file, src_line, section = self._locate_margin_source(
|
||
repo_root, source_map, chapter, line_texts
|
||
)
|
||
findings.append(MarginFinding(
|
||
sheet=sheet, label=label, chapter=chapter,
|
||
signal=signal, over_pts=over_pts, off_page=off_page,
|
||
snippet=snippet, source_file=src_file,
|
||
source_line=src_line, section=section,
|
||
))
|
||
|
||
if include_overlaps:
|
||
crowding = self._margin_baseline_crowding(pw, page.chars)
|
||
if crowding:
|
||
prev, cur, deficit = max(
|
||
crowding, key=lambda item: item[2]
|
||
)
|
||
overlap_lines = [prev["text"], cur["text"]]
|
||
src_file, src_line, section = self._locate_margin_source(
|
||
repo_root, source_map, chapter, overlap_lines
|
||
)
|
||
findings.append(MarginFinding(
|
||
sheet=sheet, label=label, chapter=chapter,
|
||
signal="caption/text", over_pts=deficit,
|
||
off_page=False, snippet=cur["text"],
|
||
source_file=src_file, source_line=src_line,
|
||
section=section, issue="baseline-crowding",
|
||
severity="warning", related=prev["text"],
|
||
))
|
||
|
||
image_overlaps = self._margin_image_text_overlaps(
|
||
pw, page.chars, margin_graphics
|
||
)
|
||
if image_overlaps:
|
||
line, im, y_overlap = max(
|
||
image_overlaps, key=lambda item: item[2]
|
||
)
|
||
src_file, src_line, section = self._locate_margin_source(
|
||
repo_root, source_map, chapter, [line["text"]]
|
||
)
|
||
if src_line <= 0:
|
||
continue
|
||
related = (
|
||
f"image {im.get('x0', 0):.0f},"
|
||
f"{im.get('top', 0):.0f}-"
|
||
f"{im.get('bottom', 0):.0f}"
|
||
)
|
||
findings.append(MarginFinding(
|
||
sheet=sheet, label=label, chapter=chapter,
|
||
signal="image+caption/text", over_pts=y_overlap,
|
||
off_page=False, snippet=line["text"],
|
||
source_file=src_file, source_line=src_line,
|
||
section=section, issue="image-text-overlap",
|
||
severity="warning", related=related,
|
||
))
|
||
|
||
return findings, scanned
|
||
|
||
def _locate_margin_source(
|
||
self,
|
||
repo_root: Optional[Path],
|
||
source_map: Dict[str, Path],
|
||
chapter: str,
|
||
line_texts: List[str],
|
||
) -> Tuple[str, int, str]:
|
||
qmd = source_map.get(chapter)
|
||
if qmd is None:
|
||
return "", 0, ""
|
||
src_file, src_line, section = str(qmd), 0, ""
|
||
if repo_root is not None and line_texts:
|
||
abs_path = repo_root / qmd
|
||
# Try the longest margin lines first — caption text matches the
|
||
# source line more reliably than a short wrapped fragment.
|
||
for cand in sorted(line_texts, key=len, reverse=True):
|
||
src_line = self._find_source_line(abs_path, cand)
|
||
if src_line > 0:
|
||
break
|
||
if src_line > 0:
|
||
section = self._find_section(abs_path, src_line)
|
||
return src_file, src_line, section
|
||
|
||
def _render_margins(
|
||
self, findings: List[MarginFinding], scanned: int, pdf_path: Path
|
||
) -> None:
|
||
if not findings:
|
||
console.print(Panel(
|
||
f"No margin overflow across {scanned} pages — every margin "
|
||
f"figure/note sits on-page.",
|
||
title="✅ Margin check clean",
|
||
border_style="green",
|
||
))
|
||
return
|
||
errors = [f for f in findings if f.severity == "error"]
|
||
warnings = [f for f in findings if f.severity != "error"]
|
||
console.print()
|
||
if errors:
|
||
console.print(
|
||
f"[bold red]✗ {len(errors)} blocking margin overflow"
|
||
f"{'s' if len(errors) != 1 else ''}[/bold red] "
|
||
f"[dim]+ {len(warnings)} warning candidate"
|
||
f"{'s' if len(warnings) != 1 else ''}[/dim]"
|
||
)
|
||
else:
|
||
console.print(
|
||
f"[bold yellow]⚠ {len(warnings)} margin warning candidate"
|
||
f"{'s' if len(warnings) != 1 else ''}[/bold yellow] "
|
||
f"[dim](no blocking footer/off-page overflow)[/dim]"
|
||
)
|
||
table = Table(show_header=True, header_style="bold")
|
||
table.add_column("page", justify="right")
|
||
table.add_column("chapter")
|
||
table.add_column("issue")
|
||
table.add_column("sev")
|
||
table.add_column("signal")
|
||
table.add_column("pts", justify="right")
|
||
table.add_column("source", overflow="fold")
|
||
for f in sorted(findings, key=lambda r: (r.severity != "error", -r.over_pts)):
|
||
over = f"{f.over_pts:.0f}pt"
|
||
if f.off_page:
|
||
over += " ⎋" # off the physical page edge
|
||
src = f.source_file
|
||
if f.source_line:
|
||
src += f":{f.source_line}"
|
||
if f.section:
|
||
src += f" [{f.section}]"
|
||
table.add_row(
|
||
f"{f.label} (sheet {f.sheet})",
|
||
f.chapter,
|
||
f.issue,
|
||
f.severity,
|
||
f.signal,
|
||
over,
|
||
src or "[dim]?[/dim]",
|
||
)
|
||
console.print(table)
|
||
console.print(
|
||
"[dim]⎋ = past the physical page edge. Fix per figure-margin.md "
|
||
"§7: reposition the .column-margin block to a footnote-sparse, "
|
||
"mid-page anchor, shorten the caption, or cut it (§0 gate). "
|
||
"Overlap/crowding rows are warning-level candidates and require "
|
||
"visual confirmation.[/dim]"
|
||
)
|
||
|
||
def _render_margins_csv(self, findings: List[MarginFinding]) -> None:
|
||
import csv as _csv
|
||
repo_root = self._repo_root()
|
||
writer = _csv.writer(sys.stdout)
|
||
writer.writerow([
|
||
"chapter", "sheet", "label", "issue", "severity", "signal",
|
||
"over_pts", "off_page", "source_file", "source_line", "section",
|
||
"snippet", "related", "suggested_fix",
|
||
])
|
||
for f in findings:
|
||
writer.writerow([
|
||
f.chapter, f.sheet, f.label, f.issue, f.severity, f.signal,
|
||
f"{f.over_pts:.1f}", int(f.off_page),
|
||
_clickable_source(f.source_file, repo_root),
|
||
f.source_line, f.section, f.snippet, f.related,
|
||
self._suggest_margin_fix(f),
|
||
])
|
||
|
||
def _resolve_margin_block(
|
||
self, f: MarginFinding
|
||
) -> Optional[Tuple[int, str]]:
|
||
"""Resolve a margin finding to its source ``.column-margin`` block.
|
||
|
||
The scanner's ``source_line`` is a prose-anchor guess that can sit
|
||
hundreds of lines from the real figure (auto-layout.md §2.4), so scan
|
||
the chapter for ``.column-margin`` blocks and pick the one nearest the
|
||
anchor, disambiguating by the caption snippet when several sit close.
|
||
Returns ``(block_line, asset_basename)`` (1-indexed) or ``None`` when no
|
||
block is found near the anchor — a "needs eyes" case, usually a body
|
||
table or a mis-anchored object.
|
||
"""
|
||
if not f.source_file or not f.source_line:
|
||
return None
|
||
try:
|
||
text = (self._repo_root() / f.source_file).read_text(
|
||
encoding="utf-8"
|
||
)
|
||
except OSError:
|
||
return None
|
||
lines = text.splitlines()
|
||
want = re.sub(r"[^a-z0-9]", "", f.snippet.lower())
|
||
best: Optional[Tuple[Tuple[int, int], int, str]] = None
|
||
for i, line in enumerate(lines):
|
||
if ".column-margin" not in line:
|
||
continue
|
||
dist = abs(i + 1 - f.source_line)
|
||
if dist > 40:
|
||
continue
|
||
asset, caption = "", ""
|
||
for j in range(i + 1, min(len(lines), i + 6)):
|
||
if lines[j].strip() == ":::":
|
||
break
|
||
m = re.search(r"images/[\w/.-]+/([\w.-]+\.(?:svg|png|jpg))",
|
||
lines[j])
|
||
if m and not asset:
|
||
asset = m.group(1)
|
||
stripped = lines[j].strip()
|
||
if stripped.startswith("*") and stripped.endswith("*"):
|
||
caption = stripped
|
||
cap = re.sub(r"[^a-z0-9]", "", caption.lower())
|
||
matched = bool(want) and bool(cap) and (
|
||
want in cap or cap[-12:] in want
|
||
)
|
||
key = (0 if matched else 1, dist)
|
||
if best is None or key < best[0]:
|
||
best = (key, i + 1, asset or "(no asset)")
|
||
if best is None:
|
||
return None
|
||
return (best[1], best[2])
|
||
|
||
def _suggest_margin_fix(self, f: MarginFinding) -> str:
|
||
"""Actionable one-line fix recipe for a margin overflow.
|
||
|
||
Seeds the nudge as ``ceil(over_pts * 0.45) + 2`` mm — the 0.45
|
||
pre-absorbs the ~18% a ``\\vspace*`` loses inside a marginnote
|
||
(auto-layout.md §2) — then classifies figure vs footnote and resolves
|
||
the target block by asset rather than the scanner's line guess. Returns
|
||
an empty string for non-overflow rows.
|
||
"""
|
||
if not f.over_pts or f.over_pts <= 0:
|
||
return ""
|
||
mm = math.ceil(f.over_pts * 0.45) + 2
|
||
block = self._resolve_margin_block(f)
|
||
if block:
|
||
line, asset = block
|
||
return (f"\\vspace*{{-{mm}mm}} in .column-margin ({asset}) "
|
||
f"@ {f.source_file}:{line}")
|
||
if "image" in f.signal:
|
||
return ("needs eyes: image overflow with no .column-margin nearby "
|
||
"(likely a body table or mis-anchored figure)")
|
||
return (f"[offset=-{mm}mm] on the footnote near "
|
||
f"{f.source_file}:{f.source_line}")
|
||
|
||
# ------------------------------------------------------------------
|
||
# CSV output
|
||
# ------------------------------------------------------------------
|
||
|
||
def _render_csv(self, flagged: List[PageReport]) -> None:
|
||
import csv as _csv
|
||
repo_root = self._repo_root()
|
||
writer = _csv.writer(sys.stdout)
|
||
writer.writerow([
|
||
"chapter", "sheet", "label", "gap_pct", "pts",
|
||
"culprit", "detail", "size_hint", "fix_hint", "is_frontmatter",
|
||
"source_file", "source_line", "section",
|
||
"next_page_starts_chapter", "class", "action",
|
||
"layout_strategy", "suggested_fix",
|
||
])
|
||
for r in flagged:
|
||
strategy = r.layout_strategy or self._layout_strategy(r)
|
||
writer.writerow([
|
||
r.chapter,
|
||
r.sheet,
|
||
r.label,
|
||
int(r.whitespace_frac * 100),
|
||
int(r.whitespace_pts),
|
||
r.cause,
|
||
r.detail,
|
||
r.size_hint,
|
||
r.fix_hint,
|
||
int(r.is_frontmatter),
|
||
_clickable_source(r.source_file, repo_root),
|
||
r.source_line,
|
||
r.section,
|
||
int(r.next_page_starts_chapter),
|
||
r.klass,
|
||
r.action,
|
||
strategy,
|
||
self._suggest_whitespace_fix(r),
|
||
])
|
||
|
||
# ------------------------------------------------------------------
|
||
# outline + page labels
|
||
# ------------------------------------------------------------------
|
||
|
||
def _load_chapter_map(
|
||
self, pdf_path: Path
|
||
) -> Tuple[List[Tuple[int, str]], List[str]]:
|
||
"""Return (chapter_starts, labels).
|
||
|
||
chapter_starts: [(start_sheet_1indexed, title)] for top-level outline
|
||
entries only. Sorted ascending by start sheet.
|
||
labels: list of printed page labels indexed by 0-based page index,
|
||
same length as pdf.pages. Falls back to the 1-based sheet number
|
||
when PageLabels are missing.
|
||
"""
|
||
try:
|
||
import pypdf # type: ignore
|
||
except ImportError:
|
||
return [], []
|
||
|
||
try:
|
||
r = pypdf.PdfReader(str(pdf_path))
|
||
except Exception:
|
||
return [], []
|
||
|
||
n = len(r.pages)
|
||
|
||
# Printed page labels (PDF /PageLabels). Pad to len(pages).
|
||
try:
|
||
labels = list(r.page_labels or [])
|
||
except Exception:
|
||
labels = []
|
||
if len(labels) < n:
|
||
labels.extend(str(i + 1) for i in range(len(labels), n))
|
||
|
||
# Top-level outline entries only — these are chapters in this book.
|
||
chapter_starts: List[Tuple[int, str]] = []
|
||
try:
|
||
outline = r.outline or []
|
||
except Exception:
|
||
outline = []
|
||
for item in outline:
|
||
if isinstance(item, list):
|
||
continue # skip nested sub-entries
|
||
try:
|
||
page0 = r.get_destination_page_number(item)
|
||
title = getattr(item, "title", None) or "(untitled)"
|
||
chapter_starts.append((page0 + 1, title))
|
||
except Exception:
|
||
continue
|
||
chapter_starts.sort(key=lambda x: x[0])
|
||
return chapter_starts, labels
|
||
|
||
def _chapter_for(
|
||
self, sheet_1indexed: int, chapter_starts: List[Tuple[int, str]]
|
||
) -> str:
|
||
"""Return the title of the chapter whose range contains this sheet."""
|
||
if not chapter_starts:
|
||
return "(no outline)"
|
||
current = "Frontmatter"
|
||
for start, title in chapter_starts:
|
||
if start <= sheet_1indexed:
|
||
current = title
|
||
else:
|
||
break
|
||
return current
|
||
|
||
# ------------------------------------------------------------------
|
||
# source map: chapter title → QMD file
|
||
# ------------------------------------------------------------------
|
||
|
||
def _build_source_map(self, pdf_path: Path) -> Dict[str, Path]:
|
||
"""Return {chapter_title → QMD path}, scoped to the PDF volume when known.
|
||
|
||
Vol I and Vol II intentionally share chapter titles such as
|
||
"Introduction". Source localization must therefore scan only the
|
||
matching ``contents/volN`` tree when the PDF path/name identifies a
|
||
volume.
|
||
"""
|
||
# Find repo root by walking up from pdf_path until we hit a dir
|
||
# containing book/quarto/contents.
|
||
repo_root = self._repo_root_for(pdf_path)
|
||
if repo_root is None:
|
||
return {}
|
||
|
||
contents = repo_root / "book" / "quarto" / "contents"
|
||
volume = self._volume_from_pdf_path(pdf_path)
|
||
if volume and (contents / volume).is_dir():
|
||
vol_dirs = [contents / volume]
|
||
else:
|
||
vol_dirs = sorted(contents.glob("vol*"))
|
||
out: Dict[str, Path] = {}
|
||
for vol_dir in vol_dirs:
|
||
for chapter_dir in sorted(vol_dir.iterdir()):
|
||
if not chapter_dir.is_dir():
|
||
continue
|
||
qmd = chapter_dir / f"{chapter_dir.name}.qmd"
|
||
if not qmd.exists():
|
||
continue
|
||
# Read first H1 from the file.
|
||
try:
|
||
with qmd.open() as f:
|
||
for line in f:
|
||
line = line.rstrip("\n")
|
||
if line.startswith("# ") and not line.startswith("##"):
|
||
# Strip "{#sec-…}" attribute suffix.
|
||
title = line[2:].strip()
|
||
hash_idx = title.find("{#")
|
||
if hash_idx != -1:
|
||
title = title[:hash_idx].rstrip()
|
||
out[title] = qmd.relative_to(repo_root)
|
||
break
|
||
except OSError:
|
||
continue
|
||
return out
|
||
|
||
@staticmethod
|
||
def _repo_root_for(pdf_path: Path) -> Optional[Path]:
|
||
cur = Path(pdf_path).resolve().parent
|
||
for _ in range(8):
|
||
if (cur / "book" / "quarto" / "contents").is_dir():
|
||
return cur
|
||
if cur.parent == cur:
|
||
break
|
||
cur = cur.parent
|
||
return None
|
||
|
||
@staticmethod
|
||
def _volume_from_pdf_path(pdf_path: Path) -> Optional[str]:
|
||
haystack = " ".join([Path(pdf_path).name, *Path(pdf_path).parts]).lower()
|
||
if "vol1" in haystack:
|
||
return "vol1"
|
||
if "vol2" in haystack:
|
||
return "vol2"
|
||
return None
|
||
|
||
@staticmethod
|
||
def _parse_chapter_filter(raw: str) -> List[str]:
|
||
return [part.strip() for part in (raw or "").split(",") if part.strip()]
|
||
|
||
@staticmethod
|
||
def _chapter_key(text: str) -> str:
|
||
return re.sub(r"[^a-z0-9]+", " ", (text or "").lower()).strip()
|
||
|
||
@classmethod
|
||
def _matches_chapter(
|
||
cls,
|
||
chapter: str,
|
||
chapter_filter: Optional[List[str]],
|
||
) -> bool:
|
||
if not chapter_filter:
|
||
return True
|
||
chapter_key = cls._chapter_key(chapter)
|
||
chapter_slug = chapter_key.replace(" ", "-")
|
||
for raw in chapter_filter:
|
||
wanted_key = cls._chapter_key(raw)
|
||
wanted_slug = wanted_key.replace(" ", "-")
|
||
if not wanted_key:
|
||
continue
|
||
if wanted_key == chapter_key or wanted_slug == chapter_slug:
|
||
return True
|
||
if wanted_key in chapter_key:
|
||
return True
|
||
return False
|
||
|
||
@staticmethod
|
||
def _find_source_line(
|
||
qmd_path: Path,
|
||
detail: str,
|
||
allow_short: bool = True,
|
||
) -> int:
|
||
"""Find a line in the QMD file matching the detail text.
|
||
|
||
PDF extraction often removes spaces, injects line-wrap hyphens, or
|
||
normalizes mathematical glyphs differently from the source. Compare an
|
||
alphanumeric-only key so rendered snippets such as
|
||
``Ware-house-Scale Com-puter`` still resolve to
|
||
``Warehouse-Scale Computer`` in QMD. Returns a 1-indexed line number or
|
||
0.
|
||
"""
|
||
if not detail or not qmd_path.exists():
|
||
return 0
|
||
raw_needle = LayoutCommand._source_key(detail)
|
||
if len(raw_needle) < 12:
|
||
return 0 # too short to match reliably
|
||
title_key = ""
|
||
title_raw = detail.split(":", 1)[0] if ":" in detail else ""
|
||
if title_raw:
|
||
title_key = LayoutCommand._source_key(re.sub(r"^\s*\d+\s+", "", title_raw))
|
||
# Compare leading chars to avoid spurious matches. Rendered sidenotes
|
||
# often begin with the visible note number ("15 HIPAA..."), which is
|
||
# not present in the QMD definition key, so try a no-leading-digits
|
||
# variant as well.
|
||
needles = []
|
||
had_leading_digits = bool(re.match(r"^\d+", raw_needle))
|
||
bases = [raw_needle]
|
||
stripped = re.sub(r"^\d+", "", raw_needle)
|
||
if stripped and stripped != raw_needle:
|
||
bases.append(stripped)
|
||
for base in bases:
|
||
if allow_short:
|
||
lengths = (48, 32, 24, 16, 12)
|
||
for n in lengths:
|
||
if len(base) >= n:
|
||
needles.append(base[:n])
|
||
else:
|
||
needles.append(base[: min(48, len(base))])
|
||
needles = list(dict.fromkeys(needles))
|
||
try:
|
||
lines = qmd_path.read_text(encoding="utf-8").splitlines()
|
||
except OSError:
|
||
return 0
|
||
if had_leading_digits:
|
||
if len(title_key) >= 12:
|
||
for i, raw in enumerate(lines, start=1):
|
||
if not raw.lstrip().startswith("[^"):
|
||
continue
|
||
bold_titles = re.findall(r"\*\*(.*?)\*\*", raw)
|
||
for bold in bold_titles:
|
||
bold_key = LayoutCommand._source_key(bold)
|
||
if len(bold_key) >= 12 and (
|
||
title_key in bold_key or bold_key in title_key
|
||
):
|
||
return i
|
||
for i, raw in enumerate(lines, start=1):
|
||
if not raw.lstrip().startswith("[^"):
|
||
continue
|
||
haystack = LayoutCommand._source_key(raw)
|
||
if any(needle and needle in haystack for needle in needles):
|
||
return i
|
||
for i, raw in enumerate(lines, start=1):
|
||
haystack = LayoutCommand._source_key(raw)
|
||
if any(needle and needle in haystack for needle in needles):
|
||
return i
|
||
# Some captions/footnotes are wrapped in source but extracted as one
|
||
# line in the PDF. Search two-line windows and report the first line.
|
||
for i in range(len(lines) - 1):
|
||
haystack = LayoutCommand._source_key(lines[i] + " " + lines[i + 1])
|
||
if any(needle and needle in haystack for needle in needles):
|
||
return i + 1
|
||
return 0
|
||
|
||
@staticmethod
|
||
def _source_key(text: str) -> str:
|
||
"""Normalize source/rendered text for fuzzy line localization."""
|
||
text = unicodedata.normalize("NFKC", text)
|
||
return re.sub(r"[^0-9a-z]+", "", text.lower())
|
||
|
||
@staticmethod
|
||
def _find_callout_blocks(qmd_path: Path) -> List[CalloutBlock]:
|
||
"""Return source callout divs with balanced fence bounds.
|
||
|
||
Quarto callouts in this repo are fenced divs such as
|
||
``:::: {#id .callout-notebook title="..."}``. We only need enough
|
||
structure for layout repair: block bounds, title/class, and existing
|
||
explicit ``\\tcbbreak`` controls.
|
||
"""
|
||
if not qmd_path.exists():
|
||
return []
|
||
try:
|
||
lines = qmd_path.read_text(encoding="utf-8").splitlines()
|
||
except OSError:
|
||
return []
|
||
|
||
open_re = re.compile(r"^(?P<fence>:{3,})\s*\{(?P<attrs>[^}]*)\}\s*$")
|
||
close_re = re.compile(r"^(?P<fence>:{3,})\s*$")
|
||
stack: List[Tuple[str, int, str]] = []
|
||
blocks: List[CalloutBlock] = []
|
||
|
||
for i, line in enumerate(lines, start=1):
|
||
opened = open_re.match(line.strip())
|
||
if opened:
|
||
attrs = opened.group("attrs")
|
||
if "callout-" in attrs:
|
||
stack.append((opened.group("fence"), i, attrs))
|
||
continue
|
||
|
||
closed = close_re.match(line.strip())
|
||
if not closed or not stack:
|
||
continue
|
||
fence = closed.group("fence")
|
||
if fence != stack[-1][0]:
|
||
continue
|
||
open_fence, start, attrs = stack.pop()
|
||
body = lines[start:i]
|
||
title_m = re.search(r'title="([^"]+)"', attrs)
|
||
title = title_m.group(1) if title_m else ""
|
||
kind_m = re.search(r"\.([A-Za-z0-9_-]*callout-[A-Za-z0-9_-]+)", attrs)
|
||
kind = kind_m.group(1) if kind_m else "callout"
|
||
breaks = [
|
||
line_no
|
||
for line_no, raw in enumerate(body, start=start + 1)
|
||
if r"\tcbbreak" in raw
|
||
]
|
||
blocks.append(CalloutBlock(
|
||
start_line=start,
|
||
end_line=i,
|
||
fence=open_fence,
|
||
title=title,
|
||
kind=kind,
|
||
existing_breaks=breaks,
|
||
))
|
||
|
||
return blocks
|
||
|
||
@staticmethod
|
||
def _callout_block_for_line(
|
||
qmd_path: Path,
|
||
line_num: int,
|
||
) -> Optional[CalloutBlock]:
|
||
if line_num <= 0:
|
||
return None
|
||
containing = [
|
||
block for block in LayoutCommand._find_callout_blocks(qmd_path)
|
||
if block.start_line <= line_num <= block.end_line
|
||
]
|
||
if not containing:
|
||
return None
|
||
return min(containing, key=lambda b: b.end_line - b.start_line)
|
||
|
||
@staticmethod
|
||
def _semantic_callout_break_line(
|
||
qmd_path: Path,
|
||
block: CalloutBlock,
|
||
target_line: int,
|
||
) -> int:
|
||
"""Choose the nearest stable semantic boundary before target_line."""
|
||
try:
|
||
lines = qmd_path.read_text(encoding="utf-8").splitlines()
|
||
except OSError:
|
||
return target_line
|
||
|
||
start = max(block.start_line + 1, 1)
|
||
end = min(target_line, len(lines))
|
||
for line_no in range(end, start - 1, -1):
|
||
raw = lines[line_no - 1].strip()
|
||
if not raw:
|
||
continue
|
||
if raw.startswith("```"):
|
||
continue
|
||
if raw.startswith("**") or raw.startswith("***"):
|
||
return line_no
|
||
if re.match(r"^[-*]\s+\*\*", raw):
|
||
return line_no
|
||
if re.match(r"^\d+\.\s+\*\*", raw):
|
||
return line_no
|
||
if raw.startswith("| **"):
|
||
return line_no
|
||
return target_line
|
||
|
||
def _suggest_callout_break_fix(
|
||
self,
|
||
source_file: str,
|
||
source_line: int,
|
||
detail: str,
|
||
) -> str:
|
||
"""Return a rendered-PDF callout split recipe for a gap finding."""
|
||
if not source_file or source_line <= 0:
|
||
return (
|
||
"callout gap: locate the next-page callout source, then insert "
|
||
"\\tcbbreak at the first semantic label that appears on the "
|
||
"next page"
|
||
)
|
||
qmd_path = self._repo_root() / source_file
|
||
block = self._callout_block_for_line(qmd_path, source_line)
|
||
if block is None:
|
||
return (
|
||
f"callout gap near {source_file}:{source_line}: source line is "
|
||
"not inside a callout block; inspect adjacent block movement"
|
||
)
|
||
|
||
candidate = self._semantic_callout_break_line(
|
||
qmd_path,
|
||
block,
|
||
source_line,
|
||
)
|
||
title_suffix = f' "{block.title}"' if block.title else ""
|
||
block_ref = (
|
||
f"{block.kind}"
|
||
f"{title_suffix}"
|
||
f" ({source_file}:{block.start_line}-{block.end_line})"
|
||
)
|
||
|
||
first_content = block.start_line + 1
|
||
if candidate <= first_content + 1:
|
||
return (
|
||
f"callout gap: {block_ref} starts too late for the remaining "
|
||
"page; move the whole callout or its lead-in earlier before "
|
||
"adding micro-spacing"
|
||
)
|
||
|
||
later_breaks = [line for line in block.existing_breaks if line > candidate]
|
||
earlier_breaks = [line for line in block.existing_breaks if line <= candidate]
|
||
if later_breaks:
|
||
return (
|
||
f"callout gap: move existing \\tcbbreak from line "
|
||
f"{later_breaks[0]} to before line {candidate} in {block_ref}"
|
||
)
|
||
if earlier_breaks:
|
||
return (
|
||
f"callout gap: existing \\tcbbreak at line {earlier_breaks[-1]} "
|
||
f"is before the next-page start; add another \\tcbbreak before "
|
||
f"line {candidate} in {block_ref}"
|
||
)
|
||
return (
|
||
f"callout gap: insert \\tcbbreak before line {candidate} in "
|
||
f"{block_ref}"
|
||
)
|
||
|
||
def _layout_strategy(self, report: PageReport) -> str:
|
||
"""Return the auto-layout strategy bucket for a whitespace finding.
|
||
|
||
The bucket is intentionally coarser than ``suggested_fix``: downstream
|
||
automation can route a row to the right repair algorithm before the
|
||
exact source edit is chosen.
|
||
"""
|
||
if report.next_page_starts_chapter:
|
||
return "accept-chapter-break"
|
||
if report.cause == "end-of-document":
|
||
return "accept-end-of-doc"
|
||
if report.cause in {"heading", "delayed-opener"}:
|
||
return "accept-structural-opener"
|
||
if report.cause == "callout/box":
|
||
if self._report_source_inside_callout(report):
|
||
return "callout-tcbbreak"
|
||
if report.source_file and report.source_line:
|
||
return "source-flow-callout-adjacent"
|
||
return "callout-localize"
|
||
if report.cause == "table":
|
||
return "table-source-flow"
|
||
if report.cause == "figure":
|
||
return "figure-source-flow"
|
||
if report.cause == "paragraph":
|
||
return "paragraph-source-flow"
|
||
return "manual-review"
|
||
|
||
def _report_source_inside_callout(self, report: PageReport) -> bool:
|
||
if not report.source_file or report.source_line <= 0:
|
||
return False
|
||
qmd_path = self._repo_root() / report.source_file
|
||
return self._callout_block_for_line(qmd_path, report.source_line) is not None
|
||
|
||
@staticmethod
|
||
def _find_section(qmd_path: Path, line_num: int) -> str:
|
||
"""Walk backwards from line_num to find the nearest H2/H3.
|
||
|
||
Returns the header text without the markdown ## / ### prefix,
|
||
with any trailing `{#sec-…}` attribute stripped.
|
||
"""
|
||
if not qmd_path.exists() or line_num <= 0:
|
||
return ""
|
||
try:
|
||
with qmd_path.open() as f:
|
||
lines = f.readlines()
|
||
except OSError:
|
||
return ""
|
||
start = min(line_num, len(lines)) - 1
|
||
for i in range(start, -1, -1):
|
||
line = lines[i].rstrip("\n")
|
||
m = None
|
||
if line.startswith("### "):
|
||
m = line[4:]
|
||
elif line.startswith("## "):
|
||
m = line[3:]
|
||
if m is not None:
|
||
hash_idx = m.find("{#")
|
||
if hash_idx != -1:
|
||
m = m[:hash_idx]
|
||
return m.strip()
|
||
return ""
|
||
|
||
@staticmethod
|
||
def _classify(report: "PageReport") -> Tuple[str, str]:
|
||
"""Return (class, action) for a flagged page.
|
||
|
||
Class definitions:
|
||
A — Likely movable (callout/table/figure overshoot)
|
||
B — Accept or pattern-α split (very long block)
|
||
C — Chapter-end natural whitespace (next page starts chapter)
|
||
D — Heading orphan-prevention (structural)
|
||
"""
|
||
if report.next_page_starts_chapter:
|
||
return ("C", "accept-chapter-end")
|
||
if report.cause == "heading":
|
||
return ("D", "accept-orphan")
|
||
if report.cause == "delayed-opener":
|
||
return ("D", "accept-opener")
|
||
if report.cause == "end-of-document":
|
||
return ("C", "filter-end-of-doc")
|
||
if report.cause in ("table", "figure", "callout/box"):
|
||
# Big gaps are likely too large to be movable.
|
||
if report.whitespace_frac >= 0.55:
|
||
return ("B", "accept-or-split")
|
||
return ("A", "try-move-up")
|
||
if report.cause == "paragraph":
|
||
return ("A", "try-move-up")
|
||
return ("?", "manual-review")
|
||
|
||
# ------------------------------------------------------------------
|
||
# per-page analysis
|
||
# ------------------------------------------------------------------
|
||
|
||
def _scan_page(
|
||
self, page, next_page, sheet: int, label: str, chapter: str
|
||
) -> Optional[PageReport]:
|
||
chars = page.chars
|
||
if not chars:
|
||
return None
|
||
|
||
page_h = page.height
|
||
page_w = page.width
|
||
|
||
header_y = page_h * HEADER_FRAC # top band
|
||
footer_y = page_h * (1.0 - FOOTER_FRAC) # bottom band
|
||
main_col_max_x = page_w * MAIN_COL_RIGHT_FRAC
|
||
|
||
# Main-column chars only: exclude margin notes (right side) and
|
||
# header/footer bands.
|
||
body_chars = [
|
||
c for c in chars
|
||
if c["x0"] < main_col_max_x
|
||
and c["top"] > header_y
|
||
and c["bottom"] < footer_y
|
||
]
|
||
if not body_chars:
|
||
return None
|
||
|
||
body_bottom = max(c["bottom"] for c in body_chars)
|
||
body_top = min(c["top"] for c in body_chars)
|
||
|
||
usable_height = footer_y - header_y
|
||
whitespace_pts = footer_y - body_bottom
|
||
# Normalize against usable column height, not full page.
|
||
whitespace_frac = whitespace_pts / usable_height if usable_height > 0 else 0.0
|
||
|
||
if next_page is None:
|
||
cause, detail, size_hint = "end-of-document", "", ""
|
||
else:
|
||
cause, detail, size_hint = self._guess_cause(next_page)
|
||
|
||
return PageReport(
|
||
sheet=sheet,
|
||
label=label,
|
||
chapter=chapter,
|
||
whitespace_pts=whitespace_pts,
|
||
whitespace_frac=whitespace_frac,
|
||
body_bottom_y=body_bottom,
|
||
usable_bottom_y=footer_y,
|
||
cause=cause,
|
||
detail=detail,
|
||
size_hint=size_hint,
|
||
fix_hint=self._fix_hint(cause, size_hint),
|
||
is_frontmatter=self._is_frontmatter_label(label),
|
||
)
|
||
|
||
@staticmethod
|
||
def _is_frontmatter_label(label: str) -> bool:
|
||
"""Detect roman-numeral printed page labels (frontmatter)."""
|
||
if not label:
|
||
return False
|
||
s = label.strip().lower()
|
||
return bool(s) and all(c in "ivxlcdm" for c in s)
|
||
|
||
@staticmethod
|
||
def _fix_hint(cause: str, size_hint: str) -> str:
|
||
"""One-word suggested fix per culprit class."""
|
||
if cause == "table":
|
||
# Extract row count from size_hint if present.
|
||
rows = 0
|
||
if "rows" in size_hint:
|
||
try:
|
||
rows = int(size_hint.split()[0])
|
||
except (ValueError, IndexError):
|
||
rows = 0
|
||
if rows >= 6:
|
||
return "longtable?"
|
||
if rows > 0:
|
||
return "shrink/keep"
|
||
return "longtable?"
|
||
if cause == "figure":
|
||
return "fig-pos?"
|
||
if cause == "heading":
|
||
return "relax-penalty?"
|
||
if cause == "paragraph":
|
||
return "rewrite"
|
||
if cause == "callout/box":
|
||
return "tcbbreak"
|
||
if cause == "delayed-opener":
|
||
return "opener"
|
||
if cause == "end-of-document":
|
||
return "ignore"
|
||
return "manual"
|
||
|
||
def _suggest_whitespace_fix(self, report: PageReport) -> str:
|
||
"""Map a bottom-whitespace finding to the Zeljko layout device."""
|
||
if report.next_page_starts_chapter:
|
||
return "accept: structural chapter break"
|
||
if report.cause == "end-of-document":
|
||
return "accept/filter: end-of-document whitespace"
|
||
loc = (
|
||
f"{report.source_file}:{report.source_line}"
|
||
if report.source_file and report.source_line
|
||
else report.source_file
|
||
)
|
||
where = f" near {loc}" if loc else ""
|
||
if report.cause == "table":
|
||
return (
|
||
"source-flow first: move the lead-in directly above the table"
|
||
f"{where}; then retune tbl-colwidths/alignment or split only "
|
||
"if the rendered table is still too tall"
|
||
)
|
||
if report.cause == "figure":
|
||
return (
|
||
"source-flow first: move lead-in above and interpretation below"
|
||
f"{where}; then reduce figure height in small steps if needed"
|
||
)
|
||
if report.cause == "callout/box":
|
||
return self._suggest_callout_break_fix(
|
||
report.source_file,
|
||
report.source_line,
|
||
report.detail,
|
||
)
|
||
if report.cause == "heading":
|
||
return (
|
||
"usually accept orphan prevention; if repeated, use a PDF-only "
|
||
"\\newpage before the heading rather than micro-spacing"
|
||
)
|
||
if report.cause == "delayed-opener":
|
||
return (
|
||
"usually accept: next page is an opener/part page whose design "
|
||
"starts below the scan zone"
|
||
)
|
||
if report.cause == "paragraph":
|
||
return (
|
||
"source-flow/prose fix: move or lightly rewrite the paragraph"
|
||
f"{where} so the previous page can fill naturally"
|
||
)
|
||
return (
|
||
"manual review: inspect the next-page block and choose the "
|
||
"smallest rendered-PDF fix"
|
||
)
|
||
|
||
# ------------------------------------------------------------------
|
||
# cause guess: look at top of next page
|
||
# ------------------------------------------------------------------
|
||
|
||
def _guess_cause(self, page) -> Tuple[str, str, str]:
|
||
"""Best-effort guess at the block that probably forced the break.
|
||
|
||
Inspects the top region of the next page (after the header band)
|
||
and returns (cause, detail, size_hint):
|
||
cause — one of: table, figure, callout/box, heading,
|
||
paragraph, delayed-opener, unknown
|
||
detail — caption / heading / title text (truncated)
|
||
size_hint — "10 rows", "380pt tall", etc., where extractable
|
||
"""
|
||
if page is None:
|
||
return ("end-of-document", "", "")
|
||
|
||
page_h = page.height
|
||
page_w = page.width
|
||
header_y = page_h * HEADER_FRAC
|
||
# "Top of next page" = first ~40% of usable height after header.
|
||
zone_bottom = header_y + (page_h - header_y) * 0.40
|
||
|
||
# 1. Figure? — any image object whose top is in the zone.
|
||
images = getattr(page, "images", []) or []
|
||
for im in images:
|
||
if header_y < im.get("top", 0) < zone_bottom:
|
||
im_h = im.get("height", 0) or (
|
||
im.get("bottom", 0) - im.get("top", 0)
|
||
)
|
||
size_hint = f"{int(im_h)}pt tall" if im_h else ""
|
||
detail = self._extract_caption(page, prefix_pattern="Figure")
|
||
return ("figure", detail, size_hint)
|
||
|
||
chars = [c for c in page.chars if header_y < c["top"] < zone_bottom]
|
||
|
||
# 2. Table? — many horizontal lines (rules) clustered in the zone.
|
||
# Tables in this book are typed with booktabs-style rules.
|
||
lines = getattr(page, "lines", []) or []
|
||
rects = getattr(page, "rects", []) or []
|
||
horiz_lines_full = [
|
||
ln for ln in lines
|
||
if header_y < ln.get("top", 0) < zone_bottom
|
||
and abs(ln.get("height", 0)) < 1.0
|
||
]
|
||
# booktabs tables typically have >= 3 horizontal rules.
|
||
if len(horiz_lines_full) >= 3:
|
||
# Row estimate: count distinct text-line y-positions BETWEEN the
|
||
# topmost and bottommost rule of the table. Booktabs uses only
|
||
# 3 rules (top / mid / bottom) regardless of row count, so we
|
||
# have to count baselines, not rules.
|
||
rule_ys = sorted(ln.get("top", 0) for ln in horiz_lines_full)
|
||
top_rule_y = rule_ys[0]
|
||
bot_rule_y = rule_ys[-1]
|
||
# Allow the table to extend somewhat below the zone (tables
|
||
# often run further down the page); scan all chars within the
|
||
# rule band.
|
||
table_chars = [
|
||
c for c in page.chars
|
||
if top_rule_y - 2 <= c["top"] <= bot_rule_y + 2
|
||
]
|
||
# Distinct baselines (y rounded to nearest pt).
|
||
ys = {round(c["top"], 0) for c in table_chars}
|
||
rows_est = max(0, len(ys) - 1) # -1 for header row
|
||
size_hint = f"{rows_est} rows" if rows_est else ""
|
||
detail = self._extract_caption(page, prefix_pattern="Table")
|
||
return ("table", detail, size_hint)
|
||
|
||
# 3. Callout / box? — a large filled rectangle in the zone.
|
||
# Heuristic: a rect taller than ~30pt and at least 60% of main
|
||
# column width counts as a box.
|
||
for r in rects:
|
||
top = r.get("top", 0)
|
||
if not (header_y < top < zone_bottom):
|
||
continue
|
||
height = r.get("height", 0) or (r.get("bottom", 0) - top)
|
||
width = r.get("width", 0) or (r.get("x1", 0) - r.get("x0", 0))
|
||
if height >= 30 and width >= page_w * 0.45:
|
||
# First line of text inside the box = callout title.
|
||
title = self._first_line_text(chars, top_y_min=top)
|
||
return ("callout/box", title, "")
|
||
|
||
if not chars:
|
||
lower_chars = [c for c in page.chars if c["top"] >= zone_bottom]
|
||
first_lower = self._first_line_text(lower_chars)
|
||
if first_lower:
|
||
return ("delayed-opener", first_lower, "")
|
||
return ("unknown", "", "")
|
||
|
||
# 4. Heading? — first line's font size is notably above median.
|
||
sizes = [round(c.get("size", 0), 1) for c in chars if c.get("size")]
|
||
if sizes:
|
||
sorted_sizes = sorted(sizes)
|
||
median = sorted_sizes[len(sorted_sizes) // 2]
|
||
# First line: chars sharing the topmost band (within 2pt).
|
||
top_y = min(c["top"] for c in chars)
|
||
first_line_sizes = [
|
||
round(c.get("size", 0), 1)
|
||
for c in chars
|
||
if abs(c["top"] - top_y) < 2.0 and c.get("size")
|
||
]
|
||
if first_line_sizes:
|
||
first_max = max(first_line_sizes)
|
||
if first_max >= median + 1.5:
|
||
heading = self._first_line_text(chars)
|
||
return ("heading", heading, "")
|
||
|
||
# 5. Paragraph fallback — return the first ~60 chars so it's
|
||
# easy to grep back to the source.
|
||
first_text = self._first_line_text(chars)
|
||
return ("paragraph", first_text, "")
|
||
|
||
# ------------------------------------------------------------------
|
||
# text extraction helpers
|
||
# ------------------------------------------------------------------
|
||
|
||
def _first_line_text(self, chars, top_y_min: float = 0.0) -> str:
|
||
"""Reconstruct the topmost text line from a list of page chars."""
|
||
if not chars:
|
||
return ""
|
||
candidates = [c for c in chars if c["top"] >= top_y_min]
|
||
if not candidates:
|
||
return ""
|
||
top_y = min(c["top"] for c in candidates)
|
||
line_chars = [c for c in candidates if abs(c["top"] - top_y) < 2.0]
|
||
line_chars.sort(key=lambda c: c["x0"])
|
||
text = "".join(c.get("text", "") for c in line_chars).strip()
|
||
return self._truncate(text, 70)
|
||
|
||
def _extract_caption(self, page, prefix_pattern: str) -> str:
|
||
"""Find a 'Table X.Y:' or 'Figure X.Y:' caption on a page.
|
||
|
||
Captions in this book are rendered by Quarto as:
|
||
Table N.M: Some caption text
|
||
We extract the line beginning with the given prefix and return
|
||
the caption text (truncated). Returns "" if not found.
|
||
"""
|
||
try:
|
||
text = page.extract_text() or ""
|
||
except Exception:
|
||
return ""
|
||
for raw in text.splitlines():
|
||
line = raw.strip()
|
||
if not line.startswith(prefix_pattern):
|
||
continue
|
||
# Strip "Table N.M:" / "Figure N.M:" prefix. Allow up to 30
|
||
# chars because pdfplumber sometimes drops spaces, producing
|
||
# e.g. "Table5.3summarizes:" instead of "Table 5.3 summarizes:".
|
||
colon = line.find(":")
|
||
if colon != -1 and colon < 30:
|
||
line = line[colon + 1:].strip()
|
||
return self._truncate(line, 70)
|
||
return ""
|
||
|
||
@staticmethod
|
||
def _truncate(s: str, n: int) -> str:
|
||
s = s.replace("", "").strip() # strip soft hyphens
|
||
if len(s) <= n:
|
||
return s
|
||
return s[: n - 1].rstrip() + "…"
|
||
|
||
# ------------------------------------------------------------------
|
||
# rendering
|
||
# ------------------------------------------------------------------
|
||
|
||
def _render(
|
||
self,
|
||
flagged: List[PageReport],
|
||
scanned: int,
|
||
threshold: float,
|
||
pdf_path: Path,
|
||
total_flagged: int = 0,
|
||
) -> None:
|
||
if not flagged:
|
||
extra = ""
|
||
if total_flagged and total_flagged != len(flagged):
|
||
extra = (
|
||
f" (filtered from {total_flagged} unfiltered flags)"
|
||
)
|
||
console.print(
|
||
Panel(
|
||
f"No pages exceeded {int(threshold*100)}% bottom whitespace "
|
||
f"across {scanned} pages{extra}.",
|
||
title="✅ Layout check clean",
|
||
border_style="green",
|
||
)
|
||
)
|
||
return
|
||
|
||
# Group by chapter; sort each group DESCENDING by sheet so the
|
||
# natural read order matches the fix order (back-to-front within
|
||
# a chapter, so earlier fixes don't shift later diagnoses).
|
||
by_chapter: Dict[str, List[PageReport]] = defaultdict(list)
|
||
for r in flagged:
|
||
by_chapter[r.chapter].append(r)
|
||
# Chapter order: by first-flagged sheet ascending, so the report
|
||
# reads forward through the book even though each chapter is
|
||
# internally descending.
|
||
chapter_order = sorted(
|
||
by_chapter.keys(),
|
||
key=lambda c: min(r.sheet for r in by_chapter[c]),
|
||
)
|
||
|
||
cause_counts = Counter(r.cause for r in flagged)
|
||
summary = ", ".join(f"{n}× {c}" for c, n in cause_counts.most_common())
|
||
|
||
console.print()
|
||
filter_note = ""
|
||
if total_flagged and total_flagged != len(flagged):
|
||
filter_note = (
|
||
f" [dim](filtered from {total_flagged} total)[/dim]"
|
||
)
|
||
console.print(
|
||
f"[bold yellow]⚠ {len(flagged)}/{scanned} pages flagged[/bold yellow]"
|
||
f"{filter_note} "
|
||
f"[dim](≥{int(threshold*100)}% bottom whitespace · "
|
||
f"fix order: back-to-front within chapter)[/dim]"
|
||
)
|
||
console.print(f"[dim]by culprit: {summary}[/dim]")
|
||
fix_counts = Counter(r.fix_hint for r in flagged)
|
||
fix_summary = ", ".join(
|
||
f"{n}× {h}" for h, n in fix_counts.most_common()
|
||
)
|
||
console.print(f"[dim]by fix hint: {fix_summary}[/dim]")
|
||
strategy_counts = Counter(
|
||
(r.layout_strategy or self._layout_strategy(r)) for r in flagged
|
||
)
|
||
strategy_summary = ", ".join(
|
||
f"{n}× {h}" for h, n in strategy_counts.most_common()
|
||
)
|
||
console.print(f"[dim]by strategy: {strategy_summary}[/dim]")
|
||
|
||
for chapter in chapter_order:
|
||
rows = sorted(by_chapter[chapter], key=lambda x: -x.sheet)
|
||
console.print()
|
||
console.print(
|
||
Rule(
|
||
f"[bold magenta]{chapter}[/bold magenta] "
|
||
f"[dim]({len(rows)} page{'s' if len(rows) != 1 else ''})[/dim]",
|
||
style="magenta",
|
||
align="left",
|
||
)
|
||
)
|
||
|
||
table = Table(show_header=True, header_style="bold", box=None, pad_edge=False)
|
||
table.add_column("p.", justify="right", style="cyan", width=5)
|
||
table.add_column("sheet", justify="right", style="dim", width=6)
|
||
table.add_column("gap%", justify="right", style="yellow", width=6)
|
||
table.add_column("cls", justify="center", style="magenta", width=3)
|
||
table.add_column("culprit", style="white", width=11)
|
||
table.add_column("strategy", style="blue", width=22)
|
||
table.add_column("detail / source / section", style="white")
|
||
table.add_column("action", style="green", width=20)
|
||
|
||
for r in rows:
|
||
label = r.label
|
||
if r.is_frontmatter:
|
||
label = f"{label}*"
|
||
# Build the multi-line detail/source/section block.
|
||
lines = []
|
||
if r.detail:
|
||
lines.append(r.detail)
|
||
if r.source_file:
|
||
src = r.source_file
|
||
if r.source_line:
|
||
src = f"{src}:{r.source_line}"
|
||
lines.append(f"[dim]→ {src}[/dim]")
|
||
if r.section:
|
||
lines.append(f"[dim] in: {r.section}[/dim]")
|
||
if not lines:
|
||
lines.append(r.size_hint or "")
|
||
detail_block = "\n".join(lines)
|
||
table.add_row(
|
||
label,
|
||
str(r.sheet),
|
||
f"{int(r.whitespace_frac * 100)}%",
|
||
r.klass or "?",
|
||
r.cause,
|
||
r.layout_strategy or self._layout_strategy(r),
|
||
detail_block,
|
||
r.action or r.fix_hint,
|
||
)
|
||
console.print(table)
|
||
|
||
console.print()
|
||
console.print(
|
||
f"[dim]PDF:[/dim] {pdf_path}\n"
|
||
f"[dim]Within each chapter, fix the LAST flagged page first — "
|
||
f"front-to-back fixes shift downstream pages and invalidate "
|
||
f"later diagnoses.[/dim]\n"
|
||
f"[dim]Asterisk (*) after p. = roman-numeral label "
|
||
f"(frontmatter/backmatter — usually intentional). "
|
||
f"Use --skip-frontmatter to hide.[/dim]"
|
||
)
|
||
|
||
|
||
def scan_margin_overflow(pdf_path: Path, tol: float = 2.0, limit: int = 0):
|
||
"""Module-level entry point for warn-only margin-overflow detection.
|
||
|
||
Returns the list of MarginFinding objects (empty when clean), or None when
|
||
detection cannot run (missing PDF or pdfplumber). Used by the PDF build
|
||
postflight to surface margin overflow as a non-blocking warning; the
|
||
blocking gate is ``binder layout margins`` (LayoutCommand._margins).
|
||
"""
|
||
if not Path(pdf_path).exists():
|
||
return None
|
||
try:
|
||
import pdfplumber # type: ignore # noqa: F401
|
||
except ImportError:
|
||
return None
|
||
cmd = LayoutCommand(None, None)
|
||
findings, _ = cmd._collect_margin_findings(Path(pdf_path), tol=tol, limit=limit)
|
||
return findings
|