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use pdftocairo for pdf preview

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j 2018-11-05 21:18:59 +01:00
parent 6c5fc9030a
commit e1f7c784ad
1 changed files with 12 additions and 5 deletions
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17
pandora/document/utils.py
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@ -1,4 +1,5 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
import os
import re import re
import subprocess import subprocess
@ -22,11 +23,17 @@ def pdfinfo(pdf):
return data return data
def extract_pdfpage(pdf, image, page): def extract_pdfpage(pdf, image, page):
page -= 1 page = str(page)
cmd = ['convert', '%s[%d]' % (pdf, page), cmd = [
'-background', 'white', '-flatten', '-resize', '1024x1024', image] 'pdftocairo',
p = subprocess.Popen(cmd, close_fds=True) '-jpeg',
p.wait() '-f', page, '-l', page,
'-singlefile',
'-scale-to', '2048',
pdf,
os.path.splitext(image)[0]
]
subprocess.call(cmd, stdout=open('/dev/null', 'wb'))
return image return image
def get_documents(text): def get_documents(text):