mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-25 17:40:31 +00:00
Make PIL optional #885
This commit is contained in:
parent
e1e79a73e8
commit
89516fc2d6
@ -62,7 +62,11 @@ except ImportError as e:
|
||||
logger.warning('cannot import fb2, extracting fb2 metadata will not work: %s', e)
|
||||
use_fb2_meta = False
|
||||
|
||||
from PIL import Image
|
||||
try:
|
||||
from PIL import Image
|
||||
use_PIL = True
|
||||
except ImportError:
|
||||
use_PIL = False
|
||||
|
||||
|
||||
def process(tmp_file_path, original_file_name, original_file_extension):
|
||||
@ -133,47 +137,47 @@ def pdf_preview(tmp_file_path, tmp_dir):
|
||||
if use_generic_pdf_cover:
|
||||
return None
|
||||
else:
|
||||
try:
|
||||
input1 = PdfFileReader(open(tmp_file_path, 'rb'), strict=False)
|
||||
page0 = input1.getPage(0)
|
||||
xObject = page0['/Resources']['/XObject'].getObject()
|
||||
if use_PIL:
|
||||
try:
|
||||
input1 = PdfFileReader(open(tmp_file_path, 'rb'), strict=False)
|
||||
page0 = input1.getPage(0)
|
||||
xObject = page0['/Resources']['/XObject'].getObject()
|
||||
|
||||
for obj in xObject:
|
||||
if xObject[obj]['/Subtype'] == '/Image':
|
||||
size = (xObject[obj]['/Width'], xObject[obj]['/Height'])
|
||||
data = xObject[obj]._data # xObject[obj].getData()
|
||||
if xObject[obj]['/ColorSpace'] == '/DeviceRGB':
|
||||
mode = "RGB"
|
||||
else:
|
||||
mode = "P"
|
||||
if '/Filter' in xObject[obj]:
|
||||
if xObject[obj]['/Filter'] == '/FlateDecode':
|
||||
for obj in xObject:
|
||||
if xObject[obj]['/Subtype'] == '/Image':
|
||||
size = (xObject[obj]['/Width'], xObject[obj]['/Height'])
|
||||
data = xObject[obj]._data # xObject[obj].getData()
|
||||
if xObject[obj]['/ColorSpace'] == '/DeviceRGB':
|
||||
mode = "RGB"
|
||||
else:
|
||||
mode = "P"
|
||||
if '/Filter' in xObject[obj]:
|
||||
if xObject[obj]['/Filter'] == '/FlateDecode':
|
||||
img = Image.frombytes(mode, size, data)
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.png"
|
||||
img.save(filename=os.path.join(tmp_dir, cover_file_name))
|
||||
return cover_file_name
|
||||
# img.save(obj[1:] + ".png")
|
||||
elif xObject[obj]['/Filter'] == '/DCTDecode':
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.jpg"
|
||||
img = open(cover_file_name, "wb")
|
||||
img.write(data)
|
||||
img.close()
|
||||
return cover_file_name
|
||||
elif xObject[obj]['/Filter'] == '/JPXDecode':
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.jp2"
|
||||
img = open(cover_file_name, "wb")
|
||||
img.write(data)
|
||||
img.close()
|
||||
return cover_file_name
|
||||
else:
|
||||
img = Image.frombytes(mode, size, data)
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.png"
|
||||
img.save(filename=os.path.join(tmp_dir, cover_file_name))
|
||||
return cover_file_name
|
||||
# img.save(obj[1:] + ".png")
|
||||
elif xObject[obj]['/Filter'] == '/DCTDecode':
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.jpg"
|
||||
img = open(cover_file_name, "wb")
|
||||
img.write(data)
|
||||
img.close()
|
||||
return cover_file_name
|
||||
elif xObject[obj]['/Filter'] == '/JPXDecode':
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.jp2"
|
||||
img = open(cover_file_name, "wb")
|
||||
img.write(data)
|
||||
img.close()
|
||||
return cover_file_name
|
||||
else:
|
||||
img = Image.frombytes(mode, size, data)
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.png"
|
||||
img.save(filename=os.path.join(tmp_dir, cover_file_name))
|
||||
return cover_file_name
|
||||
# img.save(obj[1:] + ".png")
|
||||
except Exception as ex:
|
||||
print(ex)
|
||||
|
||||
except Exception as ex:
|
||||
print(ex)
|
||||
try:
|
||||
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.jpg"
|
||||
with Image(filename=tmp_file_path + "[0]", resolution=150) as img:
|
||||
|
@ -35,7 +35,6 @@ 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:
|
||||
@ -52,6 +51,12 @@ try:
|
||||
except ImportError:
|
||||
use_unidecode = False
|
||||
|
||||
try:
|
||||
from PIL import Image
|
||||
use_PIL = True
|
||||
except ImportError:
|
||||
use_PIL = False
|
||||
|
||||
# Global variables
|
||||
# updater_thread = None
|
||||
global_WorkerThread = worker.WorkerThread()
|
||||
@ -481,16 +486,17 @@ def save_cover(img, book_path):
|
||||
web.app.logger.error("Only jpg/jpeg/png/webp files are supported as coverfile")
|
||||
return False
|
||||
|
||||
# convert to jpg because calibre only supports jpg
|
||||
if content_type in ('image/png', 'image/webp'):
|
||||
if hasattr(img,'stream'):
|
||||
imgc = Image.open(img.stream)
|
||||
else:
|
||||
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 use_PIL:
|
||||
# convert to jpg because calibre only supports jpg
|
||||
if content_type in ('image/png', 'image/webp'):
|
||||
if hasattr(img,'stream'):
|
||||
imgc = Image.open(img.stream)
|
||||
else:
|
||||
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()
|
||||
|
Loading…
Reference in New Issue
Block a user