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Contributing guidelines

In General

  • PEP 8, when sensible.
  • Conventions and configuration.
  • TextBlob wraps functionality in NLTK and pattern.en. Anything outside of that should be written as an extension.
  • Test ruthlessly. Write docs for new features.
  • Even more important than Test-Driven Development--Human-Driven Development.
  • These guidelines may--and probably will--change.

In Particular

Questions, Feature Requests, Bug Reports, and Feedback. . .

. . .should all be reported on the Github Issue Tracker .

Setting Up for Local Development

  1. Fork TextBlob on Github. :

    $ git clone https://github.com/sloria/TextBlob.git
$ cd TextBlob

  2. Install development requirements. It is highly recommended that you use a virtualenv. :

    # After activating your virtualenv
$ pip install -r dev-requirements.txt

  3. Install TextBlob in develop mode. :

    $ python setup.py develop

Developing Extensions

Extensions are packages with the name textblob-something, where "something" is the name of your extension. Extensions should be imported with import textblob_something.

Model Extensions

To create a new extension for a part-of-speech tagger, sentiment analyzer, noun phrase extractor, classifier, tokenizer, or parser, simply create a module that has a class that implements the correct interface from textblob.base. For example, a tagger might look like this:

from textblob.base import BaseTagger


class MyTagger(BaseTagger):
    def tag(self, text):
        pass
        # Your implementation goes here

Language Extensions

The process for developing language extensions is the same as developing model extensions. Create your part-of-speech taggers, tokenizers, parsers, etc. in the language of your choice. Packages should be named textblob-xx where "xx" is the two- or three-letter language code (Language code reference).

To see examples of existing extensions, visit the Extensions <extensions> page.

Check out the API reference <api_base_classes> for more info on the model interfaces.

Git Branch Structure

TextBlob loosely follows Vincent Driessen's Successful Git Branching Model . In practice, the following branch conventions are used:

dev

The next release branch.

master

Current production release on PyPI.

Pull Requests

1. Create a new local branch. :

$ git checkout -b name-of-feature

2. Commit your changes. Write good commit messages. :

$ git commit -m "Detailed commit message"
$ git push origin name-of-feature
  1. Before submitting a pull request, check the following:
  • If the pull request adds functionality, it is tested and the docs are updated.
  • If you've developed an extension, it is on the Extensions List <extensions>.
  • You've added yourself to AUTHORS.rst.
  1. Submit a pull request to the sloria:dev branch.

Running tests

To run all the tests: :

$ pytest

To skip slow tests: :

$ pytest -m 'not slow'

Documentation

Contributions to the documentation are welcome. Documentation is written in reStructuredText (rST). A quick rST reference can be found here. Builds are powered by Sphinx.

To build docs and run in watch mode: :

$ tox -e watch-docs