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use poppler pdftocairo for preview

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This commit is contained in:
j 2014-05-25 14:44:07 +02:00
commit b3caaf335a
5 changed files with 73 additions and 27 deletions
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69
oml/media/pdf.py
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@ -25,29 +25,53 @@ def cover(pdf):
return page(pdf, 1)
def ql_cover(pdf):
tmp = tempfile.mkdtemp()
cmd = [
'qlmanage',
'-t',
'-s',
'1024',
'-o',
tmp,
pdf
]
p = subprocess.Popen(cmd)
p.wait()
image = glob('%s/*' % tmp)
if image:
image = image[0]
with open(image, 'rb') as fd:
data = fd.read()
else:
logger.debug('qlmanage did not create cover for %s', pdf)
data = None
shutil.rmtree(tmp)
return data
tmp = tempfile.mkdtemp()
cmd = [
'qlmanage',
'-t',
'-s',
'1024',
'-o',
tmp,
pdf
]
p = subprocess.Popen(cmd)
p.wait()
image = glob('%s/*' % tmp)
if image:
image = image[0]
with open(image, 'rb') as fd:
data = fd.read()
else:
logger.debug('qlmanage did not create cover for %s', pdf)
data = None
shutil.rmtree(tmp)
return data
def page(pdf, page):
tmp = tempfile.mkdtemp()
cmd = [
'pdftocairo',
pdf,
'-jpeg',
'-f', str(page), '-l', str(page),
'-scale-to', '1024', '-cropbox',
os.path.join(tmp, 'page')
]
p = subprocess.Popen(cmd)
p.wait()
image = glob('%s/*' % tmp)
if image:
image = image[0]
with open(image, 'rb') as fd:
data = fd.read()
else:
logger.debug('pdftocairo %s %s', pdf, ' '.join(cmd))
data = None
shutil.rmtree(tmp)
return data
'''
def page(pdf, page):
image = tempfile.mkstemp('.jpg')[1]
cmd = [
@ -69,6 +93,7 @@ def page(pdf, page):
data = fd.read()
os.unlink(image)
return data
'''
def info(pdf):
data = {}