Automation of google ocr using python

See a demo video on installation, setup, usage in Tamil here: https://www.youtube.com/watch?v=PH9TnD67oj4&feature=youtu.be

1. install gdcmdtools from https://github.com/tienfuc/gdcmdtools and complete the setup
2. use "convert" tool by imagemagics to convert a pdf into individual images.

exaimple:

convert -density 300 shrini-articles-malaigal.pdf -quality 100 shrini-%03d.jpg

3. run the program

python google-ocr.py

This will upload all the images into google drive, ocr it, download it as a text file and combine all the text file as "ocr-result.txt"

Todo

1. Clean the code
2. Ask a foldername to store all images in a seperate folder, so that we can delete that folder later
3. Download as odt file and merge all odt files as odt file keep better formatting