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Dont use pickle for calculating book hashes for the server

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This has the unfortunate side-effect of making existing caches stale,
but cant be helped, given the instability of pickle as a serialization
format.
This commit is contained in:
Kovid Goyal 2019-03-15 15:06:26 +05:30
parent 74497a4ff8
commit c98cc3383d
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GPG key ID: 06BC317B515ACE7C
1 changed files with 2 additions and 2 deletions
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4
src/calibre/srv/books.py
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@ -7,7 +7,6 @@
from hashlib import sha1
from functools import partial
from threading import RLock, Lock
from cPickle import dumps
import errno, os, tempfile, shutil, time, json as jsonlib
from calibre.constants import cache_dir, iswindows
@ -17,6 +16,7 @@
from calibre.srv.errors import HTTPNotFound, BookNotFound
from calibre.srv.routes import endpoint, json
from calibre.srv.utils import get_library_data, get_db
from calibre.utils.serialize import json_dumps
cache_lock = RLock()
queued_jobs = {}
@ -49,7 +49,7 @@ def books_cache_dir():
def book_hash(library_uuid, book_id, fmt, size, mtime):
raw = dumps((library_uuid, book_id, fmt.upper(), size, mtime, RENDER_VERSION))
raw = json_dumps((library_uuid, book_id, fmt.upper(), size, mtime, RENDER_VERSION))
return sha1(raw).hexdigest().decode('ascii')