enumerate and link files
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parent
12529498a1
commit
ecc110460a
99
dlibrary.py
99
dlibrary.py
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@ -3,16 +3,22 @@
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import asyncio
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import os
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import os.path
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import re
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import sqlite3
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from urllib.parse import urlparse
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import zipfile
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from dlsite_async import DlsiteAPI
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# import fitz
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import requests
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ZIP_DIR = "./zip"
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EXTRACT_DIR = "./extract"
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SITE_DIR = "./site"
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DB_PATH = "./dlibrary.db"
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NUMBER_REGEX = re.compile('[0-9]+')
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def open_zipfile_with_encoding(path):
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try:
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return zipfile.ZipFile(path, metadata_encoding="utf-8")
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@ -81,10 +87,91 @@ async def populate_db(refresh=False):
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[{ "tag": tag, "work": work_id } for tag in (metadata.genre or [])],
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)
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con.commit()
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con.close()
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def process(work_id):
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fetch_metadata(work_id)
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get_thumbnail(work_id)
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select_files(work_id)
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extract_files(work_id)
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def url_file_ext(url):
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return os.path.splitext(urlparse(url).path)[1]
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def get_thumbnails(refresh=False):
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con = sqlite3.connect(DB_PATH)
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cur = con.cursor()
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for (work_id, thumbnail_url) in cur.execute("SELECT id, thumbnail_url FROM works"):
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if thumbnail_url.startswith('//'):
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thumbnail_url = 'https:' + thumbnail_url
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ext = url_file_ext(thumbnail_url)
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dest_file = os.path.join(SITE_DIR, 'thumbnails', work_id + ext)
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if not refresh:
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if os.path.exists(dest_file):
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print(f'Thumbnail for {work_id} is already cached, skipping')
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continue
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print(f'Downloading thumbnail for {work_id} from {thumbnail_url}')
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with open(dest_file, 'wb') as fd:
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with requests.get(thumbnail_url, stream=True) as r:
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for chunk in r.iter_content(chunk_size=16384):
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fd.write(chunk)
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def link_files(work_id):
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work_site_dir = os.path.join(SITE_DIR, "works", work_id)
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work_images_dir = os.path.join(work_site_dir, "images")
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os.makedirs(work_images_dir)
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search_dir = os.path.join(EXTRACT_DIR, work_id)
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while True:
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entries = os.listdir(search_dir)
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if len(entries) == 1:
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entry_path = os.path.join(search_dir, entries[0])
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if os.path.isdir(entry_path):
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search_dir = entry_path
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continue
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break
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if len(entries) == 1 and os.path.splitext(entry_path)[1] == ".pdf":
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link_pdf(entry_path, work_images_dir)
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return
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if len(entries) == 0:
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print(f'{work_id} contains no files? Skipping')
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return
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if all(os.path.isfile(os.path.join(search_dir, entry)) for entry in entries):
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ordering = complete_prefix_number_ordering(entries)
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if ordering:
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link_ordered_files(search_dir, ordering, work_images_dir)
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return
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print(f'Unable to deduce file structure for {work_id}, skipping')
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def link_pdf(src, dest):
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pass
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def complete_prefix_number_ordering(entries):
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matches = reversed(list(NUMBER_REGEX.finditer(entries[0])))
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for m in matches:
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pos = m.start()
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prefix = entries[0][:pos]
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if all(e.startswith(prefix) for e in entries):
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entries_with_indices = []
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indices = set()
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for e in entries:
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n = NUMBER_REGEX.match(e[pos:])
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if n is None:
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return None
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i = int(n.group())
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if i in indices:
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return None
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indices.add(i)
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entries_with_indices.append((e, i))
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entries_with_indices.sort(key=lambda ei: ei[1])
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return [e for (e, i) in entries_with_indices]
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return None
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def link_ordered_files(srcdir, ordering, dest):
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for (idx, item) in enumerate(ordering):
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ext = os.path.splitext(item)[1]
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target = os.path.join(dest, f'{idx:04d}{ext}')
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os.link(os.path.join(srcdir, item), target)
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def gen_site():
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pass
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