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parsing the Python deps and generating graph data

Project description

The py-dep provides parsing the dependencies of Python packages and generating the metadata for graph.

The graph data is for NetworkX, Graphviz, blockdiag, Linkdraw, etc.

Status

https://secure.travis-ci.org/mkouhei/py-deps.png?branch=master https://coveralls.io/repos/mkouhei/py-deps/badge.png?branch=master https://img.shields.io/pypi/v/py-deps.svg Documentation Status

Requirements

  • Python 2.7 over or Python 3.3 over or PyPy 2.4.0 over

  • pip 1.5.6 or 6.1.1 over

  • wheel 0.24.0 over

  • NetworkX 1.9 over

  • pylibmc 1.4.3 over (optional)

Features

  • Generating Linkdraw data (JSON and decoded JSON).

  • Generating Networkx DiGraph object data.

  • Cache the parsed dependencies.

  • Searching packages from PyPI.

Known issue with the packages that depends on py-deps

The packages that depend on py-deps; after that called “X” package, there is a known issue that fails to install using the pip. This problem is caused by py-deps is a package that depends on the pip and wheel. When you install the “X” in the pip following exception occurs.:

The AssertionError: Multiple .dist-info directories occures, because py-deps depends on pip, wheel.

Workaround

The workaround for this problem is to use setuptools instead of pip.

  • You should use the easy_install or pip install --no-use-wheel command when you are installing the X from PyPI.

  • Use the python setup.py install when you install from the source tree , such as repository.

  • When you use the Tox in unit test , you should specify install_command in [testenv] section of tox.ini.:

    [testenv]
    install_command = easy_install {opts} {packages}

See also pgraph is already corresponding to the above-mentioned problems.

History

0.5.5 (2015-08-19)

  • Adds TimeoutError, ConnectionRefusedError / socket.error exceptions.

  • Adds error handling the PyPI service down.

  • Changes Sphinx theme to sphinx_rtd_theme.

  • Adds counter of the each depth.

0.5.4 (2015-07-22)

  • Adds latest_version function.

  • Adds link_prefix for overriding node link.

0.5.3 (2015-07-19)

  • Adds exception InvalidMetadata type.

0.5.2 (2015-07-15)

  • Fixes duplicated line of linkdraw.

  • Changes linkdraw colors by dependencies depth.

  • Adds depth property to graph nodes.

  • Adds parsing the package dependency depth.

0.5.1 (2015-07-12)

  • Changes Package.search method to a function.

  • Fixes infinity loop trace_chain.

  • Fixes None redundant second argument of dict.get().

  • Fixes len() used to check if collection has items.

  • Fixes old-style string formatting.

0.5.0 (2015-06-22)

  • Supports memcached as the backend of cache.

0.4.6 (2015-06-11)

  • Fixes not control the version of package correctly.

0.4.5 (2015-06-07)

  • Adds disable time, descr for Linkdraw.

0.4.4 (2015-06-03)

  • Removes debug print.

0.4.3 (2015-06-02)

  • Adds JSON decoder for Linkdraw.

0.4.2 (2015-05-31)

  • Fixes #7 not handling the failure of python setup egg_info.

  • Adds py_deps.exceptions module.

  • Adds py_deps.logger module.

  • Fixes issues of DistributionNotFound, InstallationErrror.

0.4.1 (2015-05-28)

  • Adds Container.list_data method.

  • Unsupports wheel format for distribution.

0.4.0 (2015-05-20)

  • Searching packages from PyPI.

0.3.0 (2015-05-12)

  • Supports NetworkX DiGraph objects.

  • Changes to use mock instead of pip.req.RequirementSet.prepare_files.

  • Coverage 98% over.

0.2.0 (2015-05-10)

  • Cache the parsed dependencies.

  • Fixes setting the url of node and targets.

0.1.1 (2015-05-08)

  • Fixes test data of pretty_print, linkdraw.

0.1.0 (2015-05-07)

  • Supports generating linkdraw data.

  • Supports pip 6.1.1 over.

  • Supports wheel format for distribution.

  • Adds unit tests.

0.0.1 (2015-04-29)

  • First release

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