support issue: #843

pull/865/head
Yijun Zhao 6 years ago
parent 8923e71220
commit 6c493df2f5

@ -24,6 +24,7 @@ import ub
from flask import current_app as app
from tempfile import gettempdir
import sys
import io
import os
import re
import unicodedata
@ -34,6 +35,7 @@ from flask_babel import gettext as _
from flask_login import current_user
from babel.dates import format_datetime
from datetime import datetime
from PIL import Image
import shutil
import requests
try:
@ -445,10 +447,19 @@ def get_book_cover(cover_path):
# saves book cover to gdrive or locally
def save_cover(url, book_path):
img = requests.get(url)
if img.headers.get('content-type') != 'image/jpeg':
web.app.logger.error("Cover is no jpg file, can't save")
content_type = img.headers.get('content-type')
if content_type not in ('image/jpeg', 'image/png', 'image/webp'):
web.app.logger.error("Cover is only support jpg/png/webp file, can't save")
return False
# convert to jpg because calibre just support jpg
if content_type in ('image/png', 'image/webp'):
imgc = Image.open(io.BytesIO(img.content))
im = imgc.convert('RGB')
tmp_bytesio = io.BytesIO()
im.save(tmp_bytesio, format='JPEG')
img.content = tmp_bytesio.getvalue()
if ub.config.config_use_google_drive:
tmpDir = gettempdir()
f = open(os.path.join(tmpDir, "uploaded_cover.jpg"), "wb")

@ -13,3 +13,4 @@ SQLAlchemy>=1.1.0
tornado>=4.1
Wand>=0.4.4
unidecode>=0.04.19
Pillow>=5.4.0
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