sepehr
e706cef5d6
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ROOT CAUSE FIX: PyMuPDF silently raised AttributeError when fontname=None was passed to insert_textbox. The try/except in _try_insert was swallowing the error and returning None, causing every block to be skipped via the graceful failure path. Setting fontname='helv' as the default unblocks the entire PDF translation pipeline. SMART-FIT: rewrite _write_translated_block with proper tier-fallback: - Tier 0: original bbox at original size - Tier 1: expanded horizontal - Tier 2: expanded vertical (3x original height) - Tier 3: shrink once (0.93x) - Tier 4: shrink twice (0.87x cumulative) - Tier 5: min size floor (90% for headings, 75% for body) - Tier 6: graceful skip with visible placeholder REDACTION: single redaction per block (was per sub-bbox, creating 100+ redaction rectangles per page). Now only 1 redaction per text block. FEATURE FLAG: PDF_SMART_FIT_ENABLED (default true, observation-first). METRICS: text_overflow -> format_elements_lost_total. RESULT ON REAL PDF: Before: fonts shrunk 22pt->5.6pt, hierarchy destroyed After: fonts EXACT match: [8, 11, 12, 14, 16, 22] preserved
38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
"""Debug the actual rc values returned by insert_textbox during real translation."""
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import sys
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sys.path.insert(0, '.')
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import importlib.util
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import fitz
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from pathlib import Path
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spec = importlib.util.spec_from_file_location('pdf_mod', 'translators/pdf_translator.py')
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pdf_mod = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(pdf_mod)
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# Monkey-patch _try_insert to print rc values
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original_try_insert = pdf_mod.PDFTranslator._try_insert
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def debug_try_insert(self, page, rect, text, fontsize, fontname, fontfile, color, align):
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rc = page.insert_textbox(
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rect, text,
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fontsize=fontsize,
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fontname=fontname,
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fontfile=fontfile,
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color=color,
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align=align,
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overlay=True,
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)
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text_preview = text[:30].replace('\n', '\\n')
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print(f" TRY: size={fontsize:.1f} rect={rect.width:.0f}x{rect.height:.0f} text={text_preview!r} -> rc={rc}", flush=True)
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return rc
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pdf_mod.PDFTranslator._try_insert = debug_try_insert
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PDFTranslator = pdf_mod.PDFTranslator
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PDFTranslator().translate_file(
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Path('sample_files/test_corpus/test_pdf.pdf'),
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Path('sample_files/test_corpus/test_pdf_translated.pdf'),
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target_language='fr',
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source_language='en',
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)
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