python-nltk - Python libraries for natural language processing

Property Value
Distribution Ubuntu 16.04 LTS (Xenial Xerus)
Repository Ubuntu Updates Universe i386
Package filename python-nltk_3.1-1ubuntu0.1_all.deb
Package name python-nltk
Package version 3.1
Package release 1ubuntu0.1
Package architecture all
Package type deb
Category universe/python
License -
Maintainer Ubuntu Developers <>
Download size 831.72 KB
Installed size 4.75 MB
The Natural Language Toolkit (NLTK) is a leading platform for building
Python programs to work with human language data. It provides easy-to-use
interfaces to over 50 corpora and lexical resources such as WordNet,
along with a suite of text processing libraries for classification,
tokenization, stemming, tagging, parsing, and semantic reasoning.
This package contains the modules for Python2.


Package Version Architecture Repository
python-nltk_3.1-1ubuntu0.1_all.deb 3.1 all Ubuntu Updates Universe
python-nltk_3.1-1_all.deb 3.1 all Ubuntu Universe
python-nltk_3.1-1_all.deb 3.1 all Ubuntu Universe
python-nltk - - -


Name Value
python-six >= 1.9.0
python:any << 2.8
python:any >= 2.7.5-5~


Type URL
Binary Package python-nltk_3.1-1ubuntu0.1_all.deb
Source Package nltk

Install Howto

  1. Update the package index:
    # sudo apt-get update
  2. Install python-nltk deb package:
    # sudo apt-get install python-nltk


2019-08-08 - Mike Salvatore <>
nltk (3.1-1ubuntu0.1) xenial-security; urgency=medium
* SECURITY UPDATE: Zip Slip directory traversal via a malicious NLTK package
- debian/patches/CVE-2019-14751.patch: use built-in implementation of unzip
- CVE-2019-14751
2015-10-24 - Daniel Stender <>
nltk (3.1-1) unstable; urgency=medium
* New upstream release.
* Don't use nltk/ but python-six:
+ added use-six-package.diff.
+ stripe out nltk/ via Files-Excluded in deb/copyright.
* deb/control: bumped X-Python-Version to 2.7.
* Added deb/README.Debian with info where to find a list of changes
(use override for dh_installdocs in deb/rules to contribute it
into both binaries).
2015-09-10 - Daniel Stender <>
nltk (3.0.5-1) unstable; urgency=medium
* New upstream release.
* deb/control: added six to Depends.
* deb/rules: removed override for dh_installdocs (README.txt dropped).
* added deb/source/options.
2015-07-15 - Daniel Stender <>
nltk (3.0.4-1) unstable; urgency=medium
* New upstream release.
2015-06-15 - Daniel Stender <>
nltk (3.0.3-1) unstable; urgency=medium
* New upstream release.
2015-04-27 - Daniel Stender <>
nltk (3.0.2-1) unstable; urgency=medium
* New upstream release.
* deb/control: added Tkinter to Recommends.
* deb/copyright: expanded copyright spans.
* deb/rules: added override for auto_install with fix of incorrect
permission in nltk/test/.
* deb/watch: watch
* Added deb/source/local-options.
2014-10-11 - Daniel Stender <>
nltk (3.0.0-1) unstable; urgency=medium
* Initial release (Closes: #279422, LP: #1155282).

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