Heroku buildpack for Textmining (Gensim, NLTK, Numpy, Scipy)

This is a custom Heroku buildpack for Python apps that use any combination of Gensim, NLTK, NumPy and/or SciPy, powered by pip and compiled for Python 3.

Please open a GitHub issue for any problems encountered or feature requests.

Details

This buildpack currently supports:

Python:

3.4.x

NumPy:

1.9.2
1.11.1

SciPy:

0.16.0 (compiled against NumPy 1.9.2)
0.17.1 (compiled against NumPy 1.11.1)

NLTK:

3.0.5 (compiled against NumPy 1.9.2, Scipy 0.16.0)
3.2.1 (compiled against NumPy 1.11.1, Scipy 0.17.1)

Gensim:

0.12.2 (compiled against NumPy 1.9.2, Scipy 0.16.0)
0.13.1 (compiled against NumPy 1.11.1, Scipy 0.17.1)

NLTK support includes downloading (all of the) corpora (some of which are needed by the gensim package, and will import textblob package to do so).

This package will also install compiled runtime libraries for BLAS, LAPACK, ATLAS, and Fortran, which are needed by NumPy and SciPy at runtime.

NOTE: because the package is under (irregular) development, I try to supply tags which indicate stable points in the codebase (master branch). These currently include:

* py34_v1 : Python 3.4 ver 1, initial set of working binaries
* py34_v2 : Python 3.4 ver 2, added updated gensim, nltk, numpy, scipy binaries

(Possible) Known Issues and TODOs

These all come from the original project we forked from, not sure now how much these apply to this project.

This buildpack may not work well with Multipack apps (e.g., see [issue15]: branliu0#15

If any of these issues are immediately impacting you, please open a Github issue so that I know that they are higher priority items.

Usage

For a new app:

heroku create --buildpack https://github.com/brianthomas/heroku-buildpack-textmining

For an existing app:

heroku buildpacks:set https://github.com/brianthomas/heroku-buildpack-textmining

You must specify your exact desired version in requirements.txt (e.g., numpy==1.9.2). If no version is specified, the latest version available will be used. At this time, this buildpack does not support requirements of the form numpy>=1.9.

Demo

$ mkdir testheroku
$ cd testheroku
$ git init
$ heroku create --buildpack https://github.com/brianthomas/heroku-buildpack-textmining
$ echo "nltk==3.0.5\nnumpy==1.9.2\nscipy==0.16.0" > requirements.txt
$ git add requirements.txt
$ git commit -m 'Added requirements'
$ git push heroku master

Acknowledgments

This fork is taken from @thenovices who previously forked from @dbrgn. Many thanks to those fellows and others setting up a lot of the code here.

License

brianthomas/heroku-buildpack-textmining

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