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Introducing language detection

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This commit is contained in:
Daniel Quinn 2016-01-21 12:50:22 -05:00
parent dbe2df0cad
commit ec70d05517
1 changed files with 13 additions and 2 deletions
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15
src/documents/management/commands/document_consumer.py
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@ -1,6 +1,6 @@
import datetime
import glob
import gnupg
import langdetect
import os
import random
import re
@ -44,9 +44,10 @@ class Command(BaseCommand):
PARSER_REGEX_SENDER_TITLE = re.compile(r"^.*/(.*) - (.*)\.pdf$")
def __init__(self, *args, **kwargs):
self.verbosity = 0
self.stats = {}
self.gpg = gnupg.GPG(gnupghome=settings.GNUPG_HOME)
BaseCommand.__init__(self, *args, **kwargs)
def handle(self, *args, **options):
@ -132,6 +133,16 @@ class Command(BaseCommand):
self._render(" OCRing the PDF", 2)
raw_text = self._ocr(pngs, self.OCR_LANG)
guessed_language = langdetect.detect(raw_text)
if guessed_language == self.OCR_LANG:
return raw_text
return self._ocr(pngs, guessed_language)
def _ocr(self, pngs, lang):
r = ""
for png in pngs:
with Image.open(os.path.join(self.SCRATCH, png)) as f: