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https://github.com/RicterZ/nhentai.git
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81d008036a
History reset as part of DMCA compliance. The project has been refactored into a generic, site-agnostic download framework. Site-specific logic lives in separate plugin packages. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
# coding: utf-8
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"""Filesystem utilities: filename formatting, CBZ generation, folder management."""
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import os
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import zipfile
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import shutil
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from typing import Tuple
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from doujinshi_dl.core.logger import logger
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from doujinshi_dl.constant import PATH_SEPARATOR
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MAX_FIELD_LENGTH = 100
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EXTENSIONS = ('.png', '.jpg', '.jpeg', '.gif', '.webp')
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def format_filename(s, length=MAX_FIELD_LENGTH, _truncate_only=False):
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"""
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It used to be a whitelist approach allowed only alphabet and a part of symbols.
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but most doujinshi's names include Japanese 2-byte characters and these was rejected.
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so it is using blacklist approach now.
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if filename include forbidden characters ('/:,;*?"<>|) ,it replaces space character(" ").
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"""
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if not _truncate_only:
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ban_chars = '\\\'/:,;*?"<>|\t\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b'
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filename = s.translate(str.maketrans(ban_chars, ' ' * len(ban_chars))).strip()
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filename = ' '.join(filename.split())
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while filename.endswith('.'):
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filename = filename[:-1]
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else:
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filename = s
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# limit `length` chars
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if len(filename) >= length:
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filename = filename[:length - 1] + u'…'
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# Remove [] from filename
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filename = filename.replace('[]', '').strip()
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return filename
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def parse_doujinshi_obj(
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output_dir: str,
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doujinshi_obj=None,
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file_type: str = ''
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) -> Tuple[str, str]:
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filename = f'.{PATH_SEPARATOR}doujinshi.{file_type}'
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if doujinshi_obj is not None:
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doujinshi_dir = os.path.join(output_dir, doujinshi_obj.filename)
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_filename = f'{doujinshi_obj.filename}.{file_type}'
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if file_type == 'pdf':
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_filename = _filename.replace('/', '-')
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filename = os.path.join(output_dir, _filename)
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else:
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if file_type == 'html':
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return output_dir, 'index.html'
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doujinshi_dir = f'.{PATH_SEPARATOR}'
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if not os.path.exists(doujinshi_dir):
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os.makedirs(doujinshi_dir)
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return doujinshi_dir, filename
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def generate_cbz(doujinshi_dir, filename):
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file_list = os.listdir(doujinshi_dir)
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file_list.sort()
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logger.info(f'Writing CBZ file to path: {filename}')
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with zipfile.ZipFile(filename, 'w') as cbz_pf:
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for image in file_list:
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image_path = os.path.join(doujinshi_dir, image)
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cbz_pf.write(image_path, image)
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logger.log(16, f'Comic Book CBZ file has been written to "{filename}"')
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def move_to_folder(output_dir='.', doujinshi_obj=None, file_type=None):
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if not file_type:
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raise RuntimeError('no file_type specified')
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doujinshi_dir, filename = parse_doujinshi_obj(output_dir, doujinshi_obj, file_type)
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for fn in os.listdir(doujinshi_dir):
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file_path = os.path.join(doujinshi_dir, fn)
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_, ext = os.path.splitext(file_path)
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if ext in ['.pdf', '.cbz']:
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continue
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if os.path.isfile(file_path):
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try:
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os.remove(file_path)
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except Exception as e:
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print(f"Error deleting file: {e}")
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shutil.move(filename, os.path.join(doujinshi_dir, os.path.basename(filename)))
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