more flexible splitting out of textless pages
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aefaf824a8
commit
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@ -25,7 +25,7 @@ FANZA_ID_REGEX = re.compile('^d_[0-9]+$')
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FAKKU_ID_REGEX = re.compile('.*_FAKKU$')
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TEXTLESS_REGEX = re.compile('(台詞|セリフ)(な|無)し|notext|textless')
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ALT_VERSIONS = ['褐色', '日焼け']
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ALT_VERSIONS = ['褐色', '日焼け', 'pink']
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IMAGE_FILE_EXTENSIONS = ['.png', '.jpg', '.jpeg', '.gif', '.tiff']
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@ -179,12 +179,12 @@ def image_xrefs(pdf):
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print('\nSuccess')
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return xrefs
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def link_pdf(src, dest, start_index=0):
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def link_pdf(src, dest, start_index):
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with fitz.open(src) as pdf:
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xrefs = image_xrefs(pdf)
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if xrefs is None:
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print(f'Support for weirder PDFs not yet implemented, skipping {src}')
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return
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return None
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dest.mkdir(parents=True, exist_ok=True)
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for (idx, xref) in enumerate(xrefs, start=start_index):
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@ -193,6 +193,8 @@ def link_pdf(src, dest, start_index=0):
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with open(file_path, 'wb') as f:
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f.write(image["image"])
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return pdf.page_count
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def complete_prefix_number_ordering(entries):
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if len(entries) == 1:
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return entries
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@ -272,7 +274,7 @@ def unique_hierarchical_prefix_numbering(entries, start_point=0):
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return None
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def link_ordered_files(ordering, dest, start_index=0):
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def link_ordered_files(ordering, dest, start_index):
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dest.mkdir(parents=True, exist_ok=True)
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for (idx, src_path) in enumerate(ordering, start=start_index):
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@ -293,6 +295,9 @@ def collate(args):
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extraction_dir = args.destdir / 'extract'
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hint_map = {hint.relative_to(extraction_dir).parents[-2].name: hint for hint in args.hints}
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collation_staging_area = args.destdir / 'site' / 'images-staging'
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collation_staging_area.mkdir(parents=True)
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for work_path in extraction_dir.iterdir():
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work_id = work_path.name
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@ -304,51 +309,64 @@ def collate(args):
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if virtual == (1,):
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continue
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if work_id in hint_map:
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hint = hint_map[work_id]
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entries = [hint] if hint.is_file() else ls_ignore(hint)
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else:
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search_dir = work_path
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while True:
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entries = ls_ignore(search_dir)
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if len(entries) == 1 and entries[0].is_dir():
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search_dir = entries[0]
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else:
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break
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work_staging_dir = collation_staging_area / work_id
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if len(entries) == 1 and entries[0].suffix.lower() == '.pdf':
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print(f'Extracting images from {entries[0]} for {work_id}')
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link_pdf(entries[0], collation_dir)
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continue
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pages_collated = collate_from_paths([hint_map.get(work_id, work_path)], work_staging_dir, 0)
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if pages_collated:
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print(f'Collated {pages_collated} pages for {work_id}')
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work_staging_dir.rename(collation_dir)
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else:
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if work_staging_dir.is_dir():
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for f in work_staging_dir.iterdir():
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f.unlink()
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work_staging_dir.rmdir()
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if len(entries) == 0:
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if pages_collated == 0:
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print(f'{work_id} contains no files? skipping')
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continue
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if all(entry.is_file() and entry.suffix.lower() in IMAGE_FILE_EXTENSIONS for entry in entries):
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ordering = complete_prefix_number_ordering(entries)
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if not ordering:
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with_text = []
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textless = []
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for entry in entries:
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if TEXTLESS_REGEX.search(entry.name):
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textless.append(entry)
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else:
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with_text.append(entry)
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if with_text and textless:
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with_text_ordering = complete_prefix_number_ordering(with_text)
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textless_ordering = complete_prefix_number_ordering(textless)
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if with_text_ordering and textless_ordering:
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ordering = with_text_ordering + textless_ordering
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if ordering:
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print(f'Symlinking image files for {work_id}')
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link_ordered_files(ordering, collation_dir)
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continue
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elif pages_collated is None:
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print(f'Unable to deduce file structure for {work_id}, skipping')
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collation_staging_area.rmdir()
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con.close()
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def collate_from_paths(srcs, dest, start_index):
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if len(srcs) == 1 and srcs[0].is_dir():
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return collate_from_paths(ls_ignore(srcs[0]), dest, start_index)
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if len(srcs) == 1 and srcs[0].suffix.lower() == '.pdf':
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print(f'Extracting images from {srcs[0]}')
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return link_pdf(srcs[0], dest, start_index)
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if len(srcs) == 0:
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return 0
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with_text = []
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textless = []
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for src in srcs:
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if TEXTLESS_REGEX.search(src.name):
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textless.append(src)
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else:
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with_text.append(src)
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if with_text and textless:
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text_pages = collate_from_paths(with_text, dest, start_index)
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if text_pages is None:
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return None
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textless_pages = collate_from_paths(textless, dest, start_index+text_pages)
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if textless_pages is None:
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return None
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return text_pages + textless_pages
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if all(src.is_file() and src.suffix.lower() in IMAGE_FILE_EXTENSIONS for src in srcs):
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ordering = complete_prefix_number_ordering(srcs)
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if ordering:
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print(f'Symlinking image files: {ordering[0]}...')
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link_ordered_files(ordering, dest, start_index)
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return len(ordering)
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else:
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return None
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return None
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def self_and_parents(path):
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return [path] + list(path.parents)
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@ -375,15 +393,16 @@ def manual_collate(args):
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if ordering is None:
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ordering = entries
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ordering.sort()
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link_ordered_files(ordering, collation_dir, start_index=index)
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link_ordered_files(ordering, collation_dir, index)
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index += len(ordering)
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elif path.suffix.lower() in IMAGE_FILE_EXTENSIONS:
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link_ordered_files([path], collation_dir, start_index=index)
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link_ordered_files([path], collation_dir, index)
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index += 1
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elif path.suffix.lower() == ".pdf":
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link_pdf(path, collation_dir, start_index=index)
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with fitz.open(path) as pdf:
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index += pdf.page_count
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pdf_page_count = link_pdf(path, collation_dir, index)
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if pdf_page_count is None:
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return
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index += pdf_page_count
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else:
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print(f'Unknown file type {path}, stopping')
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return
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