consolidate manual-collate functionality into collate
This commit is contained in:
parent
b7b989433a
commit
c7f95d50f9
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@ -214,11 +214,52 @@ def self_and_parents(path):
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return [path] + list(path.parents)
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def collate(args):
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con = sqlite3.connect(args.destdir / 'meta.db')
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cur = con.cursor()
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extraction_dir = args.destdir / 'extract'
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hint_map = {self_and_parents(Path(relpath(hint, extraction_dir)))[-2].name: hint for hint in args.hints}
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def extracted_path_work_id(path):
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trail = self_and_parents(Path(relpath(path, extraction_dir)))
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if len(trail) < 2:
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return None
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result = trail[-2].name
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if result == '..':
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return None
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return result
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(raw_groups, raw_exclusions) = parse_expressions(args.expression)
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specified_works = set()
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works_groups = {}
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for group in raw_groups:
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if len(group) == 0:
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continue
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work_id = extracted_path_work_id(group[0])
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if not work_id:
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print(f'Group {group} contains paths outside an extracted work!')
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exit(1)
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if not all(extracted_path_work_id(item) == work_id for item in group[1:]):
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print(f'Group {group} contains paths from multiple works!')
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exit(1)
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specified_works.add(work_id)
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if work_id not in works_groups:
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works_groups[work_id] = []
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normalized_paths = [normalize_to(item, args.destdir) for item in group]
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if not all(path.exists() for path in normalized_paths):
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print(f'Group {group} contains nonexistent paths!')
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exit(1)
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works_groups[work_id].append(normalized_paths)
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exclusions = []
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for exclusion in raw_exclusions:
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work_id = extracted_path_work_id(exclusion)
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if not work_id:
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print(f'Excluded path {exclusion} does not belong to an extracted work!')
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exit(1)
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specified_works.add(work_id)
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normalized_path = normalize_to(exclusion, args.destdir)
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if not normalized_path.exists():
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print(f'Excluded path {exclusion} does not exist!')
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exit(1)
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exclusions.append(normalized_path)
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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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@ -226,21 +267,41 @@ def collate(args):
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collation_area = args.destdir / 'site' / 'images'
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collation_area.mkdir(parents=True, exist_ok=True)
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con = sqlite3.connect(args.destdir / 'meta.db')
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cur = con.cursor()
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for work_path in extraction_dir.iterdir():
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work_id = work_path.name
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if args.only_specified_works and work_id not in specified_works:
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continue
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work_collation_dir = collation_area / work_id
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if work_collation_dir.exists():
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continue
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if work_id not in specified_works:
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continue
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if len(list(work_collation_dir.iterdir())) > 0:
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print(f'Collation directory for work {work_id} already exists!')
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break
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else:
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work_collation_dir.rmdir()
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virtual = cur.execute("SELECT virtual FROM works WHERE id = ?", (work_id,)).fetchone()
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if virtual == (1,):
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if work_id in specified_works:
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print(f'Work {work_id} is virtual!')
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break
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continue
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work_staging_dir = collation_staging_area / work_id
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collator = Collator(work_staging_dir, [], args)
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collation_result = collator.collate_from_paths([hint_map.get(work_id, work_path)])
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collator = Collator(work_staging_dir, exclusions, args)
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for group in works_groups.get(work_id, [[work_path]]):
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collation_result = collator.collate_from_paths([item for item in group if item not in exclusions])
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if not collation_result:
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print(f'Unable to deduce file structure for {work_id} subgroup {[str(path) for path in group]}')
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break
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if collation_result and collator.index > 0:
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print(f'Collated {collator.index} pages for {work_id}')
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work_staging_dir.rename(work_collation_dir)
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@ -253,7 +314,7 @@ def collate(args):
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if not collation_result:
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print(f'Unable to deduce file structure for {work_id}, skipping')
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elif collator.index == 0:
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print(f'{work_id} contains no files? skipping')
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print(f'No files found for {work_id}, skipping')
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collation_staging_area.rmdir()
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con.close()
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@ -688,9 +749,6 @@ def superior_or_equal(a, b):
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return len(a) >= len(b) and all(a[i] >= b[i] for i in range(len(b)))
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def self_and_parents(path):
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return [path] + list(path.parents)
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def parse_expressions(tokens):
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groups = []
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exclusions = []
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@ -727,61 +785,6 @@ def parse_group(tokens):
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def normalize_to(path, ref):
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return ref / Path(relpath(path, ref))
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def manual_collate(args):
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(raw_groups, raw_exclusions) = parse_expressions(args.expression)
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extraction_dir = args.destdir / 'extract'
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sample_path = next(path for group in (raw_groups + [raw_exclusions]) for path in group)
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work_id = self_and_parents(Path(relpath(sample_path, extraction_dir)))[-2].name
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exclusions = [normalize_to(item, args.destdir) for item in raw_exclusions]
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if raw_groups:
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groups = [[normalize_to(item, args.destdir) for item in group] for group in raw_groups]
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else:
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groups = [[extraction_dir / work_id]]
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collation_area = args.destdir / 'site' / 'images'
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collation_area.mkdir(parents=True, exist_ok=True)
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work_collation_dir = collation_area / work_id
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if work_collation_dir.exists():
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if len(list(work_collation_dir.iterdir())) > 0:
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print('Collation directory already exists!')
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return
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else:
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work_collation_dir.rmdir()
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nonexistent = [path for group in (groups + [exclusions]) for path in group if not path.exists()]
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if len(nonexistent) > 0:
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print(f'Nonexistent paths: {nonexistent}')
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return
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collation_staging_area = args.destdir / 'site' / 'images-staging'
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work_staging_dir = collation_staging_area / work_id
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work_staging_dir.mkdir(parents=True)
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collator = Collator(work_staging_dir, exclusions, args)
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for group in groups:
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collation_result = collator.collate_from_paths([item for item in group if item not in exclusions])
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if collation_result is None:
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print(f'Unable to deduce file structure for {work_id} subgroup {[str(path) for path in group]}')
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break
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if collation_result and collator.index > 0:
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print(f'Collated {collator.index} pages for {work_id}')
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work_staging_dir.rename(work_collation_dir)
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else:
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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 collation_result and collator.index == 0:
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print(f'No files found for {work_id}')
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collation_staging_area.rmdir()
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def fmt_size(s):
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return f'{s[0]}x{s[1]}px'
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@ -1022,9 +1025,9 @@ argparser = argparse.ArgumentParser(
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subfolder.
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- `fetch` metadata and thumbnail images for extracted works
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from DLSite.
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- `collate` and/or `manual-collate` extracted works,
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producing a single sequence of image files (or symlinks
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into the extracted data, when possible) for each work.
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- `collate` extracted works, producing a single sequence of
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image files (or symlinks into the extracted data, when
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possible) for each work.
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- Manually adjust works' `metadata` when necessary.
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- `generate` a static website providing a catalog and viewer
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for all collated works.
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@ -1047,7 +1050,7 @@ argparser.add_argument(
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)
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subparsers = argparser.add_subparsers(title="subcommands", required=True)
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parser_extract = subparsers.add_parser('extract', aliases=['x', 'ex'], help='extract zipfiles')
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parser_extract = subparsers.add_parser('extract', aliases=['x'], help='extract zipfiles')
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parser_extract.add_argument(
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'-r', '--remove',
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action='store_true',
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@ -1062,111 +1065,96 @@ parser_extract.add_argument(
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)
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parser_extract.set_defaults(func=extract)
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parser_fetch = subparsers.add_parser('fetch', aliases=['f', 'fet'], help='fetch metadata and thumbnails')
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parser_fetch = subparsers.add_parser('fetch', aliases=['f'], help='fetch metadata and thumbnails')
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parser_fetch.set_defaults(func=fetch)
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parser_collate = subparsers.add_parser(
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'collate',
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aliases=['c', 'co', 'col'],
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help='collate each work into a sequence of image files',
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aliases=['c'],
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help='collate works into sequences of image files',
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formatter_class=argparse.RawDescriptionHelpFormatter,
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description=textwrap.dedent("""\
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For each extracted work that has not already been collated,
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DLibrary will attempt to intuit its structure as follows:
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DLibrary will attempt to intuit its structure and create
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a single ordered list of image files in the site data
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directory. Each image will either be a symlink to an image
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file in the extraction folder, or a single page extracted
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from a PDF file.
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- Enter the work's directory. If the directory contains
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nothing except a single subdirectory (ignoring a few types
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of files that are definitely not relevant), traverse
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downwards repeatedly.
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- If the current directory contains nothing except a single
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PDF (again, ignoring irrelevant files), attempt to extract
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a series of images from the PDF. This process expects that
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each page of the PDF consists of a single embedded image,
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which will be extracted at full resolution. Support for
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more complex PDFs is not yet implemented.
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- If the current directory contains nothing except image
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files, and the image files are named in a way that clearly
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indicates a complete numerical order (each filename
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consists of a shared prefix followed by a distinct
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number), symlink files in the inferred order.
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- Otherwise, skip processing this work for now.
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DLibrary may fail to automatically collate a work if its
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files and subdirectories are not named in a way that
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indicates a clear linear ordering. In order to assist with
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collation, you can provide a list of expressions specifying
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where to start traversing the directory structure, what
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files to include in what order, and/or what files to ignore
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entirely.
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DLibrary can be given "collation hints" which provide
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alternative starting points for this search process. A hint
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is a path under $DLIBRARY_DIR/extract/[work id]/
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indicating a different directory or PDF file to begin the
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search process for that work, rather than starting at the
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top level of the extracted data. There can be at most one
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hint per work; for more complicated scenarios where a work
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includes multiple folders that need to be collated together,
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or where filenames do not clearly indicate an ordering, use
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`manual-collate` instead.
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"""),
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)
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parser_collate.add_argument(
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'hints',
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metavar='PATH',
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type=Path,
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nargs='*',
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help='paths within extraction folders as collation hints'
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)
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parser_collate.set_defaults(func=collate, force_convert_pdf=False)
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parser_manual_collate = subparsers.add_parser(
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'manual-collate',
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aliases=['mc', 'man', 'manual'],
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help='collate a single work manually',
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formatter_class=argparse.RawDescriptionHelpFormatter,
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description=textwrap.dedent("""\
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Provide an expression or sequence of expressions specifying groups
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of paths to collate or skip. An expression can be:
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An expression can be:
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PATH
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A single path. If this is an image, it will be appended to
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the sequence of collated images; if this is a PDF, images will be
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extracted from it and concatenated to the sequence; if this is a
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directory, the contents of the directory will be collated based on
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the normal heuristics and concatenated to the sequence.
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the sequence of collated images for the work it belongs to;
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if this is a PDF, images will be extracted from it and
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concatenated to the sequence; if this is a directory, the
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contents of the directory will be automatically collated
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using DLibrary's default heuristics, and concatenated
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to the sequence.
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( PATH [PATH ...] )
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A group of paths contained in parentheses. You may need to escape
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the parentheses to avoid them getting parsed by your shell.
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All the paths in this group will be considered together, and
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collated based on the normal heuristics, regardless of what
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order the paths are provided in.
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automatically collated using the default heuristics, regardless
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of what order the paths are provided in.
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! PATH
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! ( PATH [PATH ...] )
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A path or group of paths to exclude from collation. You may
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need to escape the !. If an excluded path appears within any
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of the other specified paths, it will be ignored.
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of the other specified paths, it will be skipped by the collation
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heuristics.
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If the only expressions provided are negations, then auto-collation
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will start from the top level of the extracted work while excluding
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the negated paths.
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will start from the top level of the extracted work while skipping
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the excluded paths.
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All provided paths must be under $DLIBRARY_DIR/extract/[work id]/
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for the work being manually collated. `manual-collate` can
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only handle one work at a time.
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"""),
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for some not-yet-collated work. Paths belonging to multiple
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different works can all be provided on the same command line, and
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expressions will be clustered together by work id while otherwise
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preserving the order they were provided in. A parenthesized group
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expression must only contain paths belonging to a single work.
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By default, DLibrary will attempt to collate every not-yet-collated
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work (excluding "virtual" works), using the provided expressions
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to assist in collation when available. The `-o` flag will direct
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DLibrary to *only* collate works included in the provided expressions,
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even if other uncollated works are present.
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"""),
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)
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parser_manual_collate.add_argument(
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parser_collate.add_argument(
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'-o', '--only-specified-works',
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action='store_true',
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help="only collate works that are explicitly specified",
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)
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parser_collate.add_argument(
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'--force-convert-pdf',
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action='store_true',
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help="convert a PDF page to a 300dpi image if there isn't a single image we can extract directly",
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)
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parser_manual_collate.add_argument(
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parser_collate.add_argument(
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'expression',
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nargs='+',
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nargs='*',
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help='expressions indicating paths to collate or skip',
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)
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parser_manual_collate.set_defaults(func=manual_collate)
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parser_collate.set_defaults(func=collate)
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parser_analyze = subparsers.add_parser('analyze', aliases=['a', 'an', 'anal'], help='analyze an extracted folder to assist in collation')
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parser_analyze = subparsers.add_parser('analyze', aliases=['a'], help='analyze an extracted folder to assist in collation')
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parser_analyze.add_argument('work_id')
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parser_analyze.set_defaults(func=analyze)
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parser_metadata = subparsers.add_parser('metadata', aliases=['m', 'me', 'meta'], help='view or modify metadata for a work')
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parser_metadata = subparsers.add_parser('metadata', aliases=['m'], help='view or modify metadata for a work')
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parser_metadata.add_argument('work_id')
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parser_metadata.add_argument(
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'--virtual',
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@ -1177,7 +1165,7 @@ parser_metadata.set_defaults(func=metadata)
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parser_generate = subparsers.add_parser(
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'generate',
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aliases=['g', 'gen'],
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aliases=['g'],
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help='generate HTML/CSS/JS for library site',
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formatter_class=argparse.RawDescriptionHelpFormatter,
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description=textwrap.dedent("""\
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