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https://github.com/hrishikeshrt/google_drive_ocr

Perform OCR using Google's Drive API v3
https://github.com/hrishikeshrt/google_drive_ocr

command-line-tool drive-api google-ocr multiprocessing ocr python

Last synced: 9 days ago
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Perform OCR using Google's Drive API v3

Host: GitHub
URL: https://github.com/hrishikeshrt/google_drive_ocr
Owner: hrishikeshrt
License: other
Created: 2021-06-14T19:04:30.000Z (over 3 years ago)
Default Branch: main
Last Pushed: 2022-05-17T19:41:19.000Z (over 2 years ago)
Last Synced: 2024-05-21T17:10:18.930Z (6 months ago)
Topics: command-line-tool, drive-api, google-ocr, multiprocessing, ocr, python
Language: Python
Homepage:
Size: 95.7 KB
Stars: 33
Watchers: 3
Forks: 10
Open Issues: 2
Metadata Files:
- Readme: README.rst
- Changelog: HISTORY.rst
- Contributing: CONTRIBUTING.rst
- License: LICENSE

Awesome Lists containing this project

README

        =========================

Google OCR (Drive API v3)

=========================

.. image:: https://img.shields.io/pypi/v/google_drive_ocr?color=success

        :target: https://pypi.python.org/pypi/google_drive_ocr

.. image:: https://readthedocs.org/projects/google-drive-ocr/badge/?version=latest

        :target: https://google-drive-ocr.readthedocs.io/en/latest/?version=latest

        :alt: Documentation Status

.. image:: https://img.shields.io/pypi/pyversions/google_drive_ocr

        :target: https://pypi.python.org/pypi/google_drive_ocr

        :alt: Python Version Support

.. image:: https://img.shields.io/github/issues/hrishikeshrt/google_drive_ocr

        :target: https://github.com/hrishikeshrt/google_drive_ocr/issues

        :alt: GitHub Issues

.. image:: https://img.shields.io/github/followers/hrishikeshrt?style=social

        :target: https://github.com/hrishikeshrt

        :alt: GitHub Followers

.. image:: https://img.shields.io/twitter/follow/hrishikeshrt?style=social

        :target: https://twitter.com/hrishikeshrt

        :alt: Twitter Followers

Perform OCR using Google's Drive API v3

* Free software: GNU General Public License v3

* Documentation: https://google-drive-ocr.readthedocs.io.

Features

========

* Perform OCR using Google's Drive API v3

* Class :code:`GoogleOCRApplication()` for use in projects

* Highly configurable CLI

* Run OCR on a single image file

* Run OCR on multiple image files

* Run OCR on all images in directory

* Use multiple workers (:code:`multiprocessing`)

* Work on a PDF document directly

Usage

=====

Using in a Project

------------------

Create a :code:`GoogleOCRApplication` application instance:

.. code-block:: python

    from google_drive_ocr import GoogleOCRApplication

    app = GoogleOCRApplication('client_secret.json')

Perform OCR on a single image:

.. code-block:: python

    app.perform_ocr('image.png')

Perform OCR on mupltiple images:

.. code-block:: python

    app.perform_ocr_batch(['image_1.png', 'image_2.png', 'image_3.png'])

Perform OCR on multiple images using multiple workers (:code:`multiprocessing`):

.. code-block:: python

    app.perform_ocr_batch(['image_1.png', 'image_3.png', 'image_2.png'], workers=2)

Using Command Line Interface

----------------------------

Typical usage with several options:

.. code-block:: console

    google-ocr --client-secret client_secret.json \

    --upload-folder-id   \

    --image-dir images/ --extension .jpg \

    --workers 4 --no-keep

Show help message with the full set of options:

.. code-block:: console

    google-ocr --help

Configuration

^^^^^^^^^^^^^

The default location for configuration is :code:`~/.gdo.cfg`.

If configuration is written to this location with a set of options,

we don't have to specify those options again on the subsequent runs.

Save configuration and exit:

.. code-block:: console

    google-ocr --client-secret client_secret.json --write-config ~/.gdo.cfg

Read configuration from a custom location (if it was written to a custom location):

.. code-block:: console

    google-ocr --config ~/.my_config_file ..

Performing OCR

^^^^^^^^^^^^^^

**Note**: It is assumed that the :code:`client-secret` option is saved in configuration file.

Single image file:

.. code-block:: console

    google-ocr -i image.png

Multiple image files:

.. code-block:: console

    google-ocr -b image_1.png image_2.png image_3.png

All image files from a directory with a specific extension:

.. code-block:: console

    google-ocr --image-dir images/ --extension .png

Multiple workers (:code:`multiprocessing`):

.. code-block:: console

    google-ocr -b image_1.png image_2.png image_3.png --workers 2

PDF files:

.. code-block:: console

    google-ocr --pdf document.pdf --pages 1-3 5 7-10 13

**Note**:

You must setup a Google application and download :code:`client_secrets.json` file before using :code:`google_drive_ocr`.

Setup Instructions

==================

Create a project on Google Cloud Platform

**Wizard**: https://console.developers.google.com/start/api?id=drive

**Instructions**:

    * https://cloud.google.com/genomics/downloading-credentials-for-api-access

    * Select application type as "Installed Application"

    * Create credentials OAuth consent screen --> OAuth client ID

    * Save :code:`client_secret.json`