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Added per OCR queue transformation models and CRUD views to replace the CONVERTER_OCR_OPTIONS with the new refactored converter transformations systems

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This commit is contained in:
Roberto Rosario
2011-07-17 01:32:46 -04:00
parent 970ca0be05
commit 5829bbde4d
14 changed files with 284 additions and 55 deletions
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7
apps/ocr/api.py
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@@ -79,7 +79,7 @@ def do_document_ocr(document):
trying to extract text from PDF using pdftotext then by calling
tesseract
"""
for page_index, document_page in enumerate(document.documentpage_set.all()):
for document_page in document.documentpage_set.all():
desc, filepath = tempfile.mkstemp()
imagefile = None
source = u''
@@ -91,7 +91,7 @@ def do_document_ocr(document):
cleanup(pdf_filename)
if os.stat(filepath).st_size == 0:
#PDF page had no text, run tesseract on the page
imagefile = convert_document_for_ocr(document, page=page_index)
imagefile = convert_document_for_ocr(document, page=document_page.page_number)
run_tesseract(imagefile, filepath, TESSERACT_LANGUAGE)
ocr_output = os.extsep.join([filepath, u'txt'])
source = _(u'Text from OCR')
@@ -99,12 +99,11 @@ def do_document_ocr(document):
ocr_output = filepath
source = _(u'Text extracted from PDF')
else:
imagefile = convert_document_for_ocr(document, page=page_index)
imagefile = convert_document_for_ocr(document, page=document_page.page_number)
run_tesseract(imagefile, filepath, TESSERACT_LANGUAGE)
ocr_output = os.extsep.join([filepath, u'txt'])
source = _(u'Text from OCR')
f = codecs.open(ocr_output, 'r', 'utf-8')
document_page = document.documentpage_set.get(page_number=page_index + 1)
document_page.content = ocr_cleanup(f.read().strip())
document_page.page_label = source
document_page.save()