enumerate and link files

This commit is contained in:
xenofem 2024-01-21 17:45:56 -05:00
parent 12529498a1
commit ecc110460a

View file

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