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The streaming access to the Google ngram data.

Project description

https://travis-ci.org/dimazest/google-ngram-downloader.png?branch=master https://coveralls.io/repos/dimazest/google-ngram-downloader/badge.png?branch=master Requirements Status Latest PyPI version Number of PyPI downloads

The Google Books Ngram Viewer dataset is a freely available resource under a Creative Commons Attribution 3.0 Unported License which provides ngram counts over books scanned by Google.

The data is so big, that storing it is almost impossible. However, sometimes you need an aggregate data over the dataset. For example to build a co-occurrence matrix.

This package provides an iterator over the dataset stored at Google. It decompresses the data on the fly and provides you the access to the underlying data.

Example use

>>> from google_ngram_downloader import readline_google_store
>>>
>>> fname, url, records = next(readline_google_store(ngram_len=5))
>>> fname
'googlebooks-eng-all-5gram-20120701-0.gz'
>>> url
'http://storage.googleapis.com/books/ngrams/books/googlebooks-eng-all-5gram-20120701-0.gz'
>>> next(records)
Record(ngram=u'0 " A most useful', year=1860, match_count=1, volume_count=1)

Installation

pip install google-ngram-downloader

The command line tool

It also provides a simple command line tool to download the ngrams called google-ngram-downloader.

Changes

Version 3.1

  • The cooccurrence command does not perform any ngram modification.

Version 3.0

  • download, readile and cooccurrence subcommands.
  • readline_google_store transforms lines to Record in several processes.

Project details


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