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better pdf parsing

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This commit is contained in:
j 2015-12-24 20:30:14 +05:30
parent ccd3b166d0
commit ebc0b95022
1 changed files with 19 additions and 4 deletions
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23
oml/media/pdf.py
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@ -8,7 +8,9 @@ import subprocess
import os
import shutil
from glob import glob
from datetime import datetime
import ox
from PyPDF2 import PdfFileReader
import stdnum.isbn
@ -108,9 +110,15 @@ def info(pdf):
for key in info:
if info[key]:
try:
if isinstance(info[key], bytes):
info[key] = info[key].decode('utf-16')
data[key[1:].lower()] = info[key]
value = info[key]
if len(value) == 1:
value = value[0]
if isinstance(value, bytes):
value = value.decode('utf-16')
if value in ('Unknown',):
value = None
if value:
data[key[1:].lower()] = value
except:
pass
@ -122,9 +130,16 @@ def info(pdf):
if isinstance(value, dict) and 'x-default' in value:
value = value['x-default']
elif isinstance(value, list):
value = [v.strip() if isinstance(v, str) else v for v in value if v.strip()]
value = [v.strip() if isinstance(v, str) else v for v in value if v]
value = [v.strftime('%Y-%m-%d') if isinstance(v, datetime) else v for v in value]
if len(value) == 1:
value = value[0]
if value in ('Unknown',):
value = None
_key = key[3:]
if value and _key not in data:
if _key == 'language':
value = ox.iso.codeToLang(value)
data[_key] = value
except:
logger.debug('FAILED TO PARSE %s', pdf, exc_info=1)