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gvision handling for multi page invoice #234

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gvision handling for multi page invoice #234

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gvision handling for multi page invoice
ananthnagan Jun 17, 2019
cc97679
Merge branch 'master' into patch-1
ananthnagan Jul 2, 2019
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20 changes: 14 additions & 6 deletions src/invoice2data/input/gvision.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,13 +24,15 @@ def to_text(path, bucket_name='cloud-vision-84893', language='fr'):
from google.cloud import vision
from google.cloud import storage
from google.protobuf import json_format
from PyPDF2 import PdfFileReader

# Supported mime_types are: 'application/pdf' and 'image/tiff'
mime_type = 'application/pdf'

path_dir, filename = os.path.split(path)
result_blob_basename = filename.replace('.pdf', '').replace('.PDF', '')
result_blob_name = result_blob_basename + '/output-1-to-1.json'
#forming json file name based on no. of pages
result_blob_name = result_blob_basename + '/output-1-to-'+str(PdfFileReader(open(path, "rb")).getNumPages())+'.json'
result_blob_uri = 'gs://{}/{}/'.format(bucket_name, result_blob_basename)
input_blob_uri = 'gs://{}/{}'.format(bucket_name, filename)

Expand Down Expand Up @@ -76,8 +78,14 @@ def to_text(path, bucket_name='cloud-vision-84893', language='fr'):
json_string = result_blob.download_as_string()
response = json_format.Parse(json_string, vision.types.AnnotateFileResponse())

# The actual response for the first page of the input file.
first_page_response = response.responses[0]
annotation = first_page_response.full_text_annotation

return annotation.text.encode('utf-8')
# The actual response for all pages of the input file.

anottext=''
for x in range(PdfFileReader(open(path, "rb")).getNumPages()):
first_page_response = response.responses[x]
if x==0:
anottext = first_page_response.full_text_annotation.text
else :
anottext =anottext+ first_page_response.full_text_annotation.text

return anottext.encode('utf-8')