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Check python packages from requirement.txt and report issues

Reason this release was yanked:

liccheck is up to date now

Project description

Python License Checker

Check python packages from requirement.txt and report license issues.

About

You can define a list of authorized licenses, authorized packages, unauthorized licenses.

The tool will check the requirement.txt files, check packages and their dependencies and return an error if some packages are not compliant against the strategy. A package is considered as not compliant when its license is in the unauthorized license list or is unknown. A package is considered as compliant when its license is in authorized license list, or if the package is itself in the list of authorized packages.

How to install

$ pip install liccheck

How to use

liccheck will read the requirement.txt and check packages agains a strategy defined in the ini file. If the file is not specified on command line, it will lookup for requirement.txt in the current folder. You have to setup an ini file with an authorized license list, unauthorized license list, authorized package list.

Here is an example of a strategy:

# Authorized and unauthorized licenses in LOWER CASE
[Licenses]
authorized_licenses:
        bsd
        new bsd
        bsd license
        new bsd license
        simplified bsd
        apache
        apache 2.0
        apache software license
        gnu lgpl
        lgpl with exceptions or zpl
        isc license
        isc license (iscl)
        mit
        mit license
        python software foundation license
        zpl 2.1

unauthorized_licenses:
        gpl v3

[Authorized Packages]
# Python software license (see http://zesty.ca/python/uuid.README.txt)
uuid: 1.30

For demo purpose, let’s say your requirement.txt file contains this:

Flask>=0.12.1
flask_restful
jsonify
psycopg2>=2.7.1
nose
scipy
scikit-learn
pandas
numpy
argparse
uuid
sqlbuilder
proboscis
pyyaml>=3.12

The execution will output this:

$ liccheck -s my_strategy.ini -r my_project/required.txt
gathering licenses...23 packages and dependencies.
check forbidden packages based on licenses...none
check authorized packages based on licenses...19 packages.
check authorized packages...4 packages.
check unknown licenses...none

If some dependencies are unknown or are not matching strategy, the output will be something like:

$ liccheck -s my_strategy.ini -r my_project/required.txt
    gathering licenses...32 packages and dependencies.
    check forbidden packages based on licenses...1 forbidden packages :
        Unidecode (0.4.21) : GPL ['GNU General Public License v2 or later (GPLv2+)']
          dependencye(s):
              Unidecode << python-slugify << yoyo-migrations

    check authorized packages based on licenses...24 packages.
    check authorized packages...6 packages.
    check unknown licenses...1 unknown packages :
        feedparser (5.2.1) : UNKNOWN []
          dependencye(s):
              feedparser

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