928a64ebc9
All 8 fixture pairs verified present: - byte_identical/ (MATCH) - acrobat_resave/ (MATCH) - qpdf_resave/ (MATCH) - pdftk_resave/ (MATCH) - linearization_toggle/ (MATCH - KU-7) - metadata_only/ (MATCH - ADR-008) - content_edit_one_glyph/ (DIFFER) - content_edit_one_paragraph/ (DIFFER) Test file implements: - INV-3: 100-invocation reproducibility test - All 8 fixture pair tests - INV-13: Format validation - Cross-platform placeholder (CI integration pending) All critical tests from Phase 1.7 (plan lines 1232-1237) implemented. Closes pdftract-ef6xz Verification: notes/pdftract-ef6xz.md Refs: - INV-3, INV-13, KU-7, ADR-008 - Plan Phase 1.7 lines 1214-1219, 1232-1237 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
#!/usr/bin/env python3
|
|
"""Debug content stream extraction without decompression."""
|
|
|
|
import pikepdf
|
|
|
|
# Check the content of the two PDFs
|
|
with pikepdf.open("tests/fingerprint/fixtures/content_edit_one_glyph/v1.pdf") as pdf1:
|
|
with pikepdf.open("tests/fingerprint/fixtures/content_edit_one_glyph/v2.pdf") as pdf2:
|
|
# Get the content stream
|
|
page1 = pdf1.pages[0]
|
|
page2 = pdf2.pages[0]
|
|
|
|
print("=== v1.pdf ===")
|
|
contents1 = page1.get("/Contents")
|
|
|
|
if isinstance(contents1, pikepdf.Stream):
|
|
data1 = contents1.read_bytes()
|
|
print(f"Stream length: {len(data1)}")
|
|
print(f"Raw stream (bytes): {data1}")
|
|
print(f"Raw stream (text): {data1.decode('latin-1')}")
|
|
print(f"MD5: {data1.hex()}")
|
|
|
|
print("\n=== v2.pdf ===")
|
|
contents2 = page2.get("/Contents")
|
|
|
|
if isinstance(contents2, pikepdf.Stream):
|
|
data2 = contents2.read_bytes()
|
|
print(f"Stream length: {len(data2)}")
|
|
print(f"Raw stream (bytes): {data2}")
|
|
print(f"Raw stream (text): {data2.decode('latin-1')}")
|
|
print(f"MD5: {data2.hex()}")
|
|
|
|
print("\n=== Difference ===")
|
|
print(f"Streams are identical: {data1 == data2}")
|
|
print(f"v1 has 'World': {b'World' in data1}")
|
|
print(f"v2 has 'World': {b'World' in data2}")
|