A free/libre interface for solving reCAPTCHA challenges
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README.rst

librecaptcha

Version 0.4.1-dev

librecaptcha is a free/libre program and library that allows you to solve reCAPTCHA challenges.

This does not automatically solve challenges. It provides an interface through which a human can solve them.

Installation

From PyPI

Install with pip:

sudo pip3 install librecaptcha

To install locally, run without sudo and add the --user option.

From the Git repository

Clone the repository with the following commands (you’ll need to have Git installed):

git clone https://github.com/nickolas360/librecaptcha
cd librecaptcha

Then install with pip:

sudo pip3 install .

Alternatively, you can run:

sudo ./setup.py install

With either command, to install locally, run without sudo and add the --user option.

Run without installing

Run the first set of commands in the previous section to clone the repository. Then, install the required dependencies by running:

sudo pip3 install -r requirements.txt

To install the dependencies locally, run without sudo and add the --user option.

Usage

If you installed librecaptcha, you can simply run librecaptcha. Otherwise, run ./librecaptcha.py. This will show usage information.

To use librecaptcha programmatically, import it:

from librecaptcha import get_token

and then call the get_token() function. Its signature is:

get_token(api_key, site_url, debug=False, user_agent=None)

Parameters:

  • api_key (str): The reCAPTCHA API key to use.

  • site_url (str): The base URL of the site that contains the reCAPTCHA challenge. This should start with http:// or https:// and include the hostname, but nothing else. For example, https://example.com.

  • debug (bool): Whether or not to print debug information.

  • user_agent (str): The user-agent string to use. If not specified, a random one will be used.

Returns (str): A reCAPTCHA token. This should usually be submitted with the form as the value of the g-recaptcha-response field. (Note: These tokens usually expire after a couple of minutes.)

What’s new

Version 0.4.0:

  • Image windows are now automatically closed when questions are answered.

Version 0.3.x:

  • Fixed possible encoding issue in setup.py.

  • librecaptcha can now be installed from PyPI, or from the Git repository with pip or setup.py.

Version 0.2.x:

  • Updated user-agent list.

  • The current reCAPTCHA version is now fetched during initialization and no longer needs to be manually updated.

Dependencies

  • Python ≥ 3.4

  • The following Python packages (the installation instructions above handle installing these):

License

librecaptcha is licensed under the GNU General Public License, version 3 or any later version. See LICENSE.

This README file has been released to the public domain using CC0.