pkgdeps 0.0.3

Explore dependencies of a Python package by parsing its imports.

Explore dependencies of a Python package by parsing its imports.

This might be useful for:

• seeing how modules within a package depend on each other

• seeing which built-in libraries are relied upon

• analysis of 3rd-party dependencies

• etc.

Examples

Explore dependencies of this project:

$ pkgdeps /path/to/pkgdeps
pkgdeps
  - argparse.ArgumentParser
  - ast
  - collections.defaultdict
  - functools.reduce
  - os
  - os.path
  - sys

Limitations

• Only tested with Python 3 against Python 3 packages.

• Doesn’t handle conditional imports; all conditional branches are inspected.

• Outputs imported module members: from os.path import join creates a dependency on os.path.join, but we probably only want os.path for e.g. tsort output. However, internal dependencies are coarsened to the module level.

Installation

$ pip install pkgdeps

Usage

Various options are available to filter and format the output:

$ pkgdeps -h
usage: pkgdeps [-h] [-n <num>] [-m <num>] [-e <type> | -o <type>]
               [-f <format>]
               </path/to/package>

Explore dependencies of a package by parsing its imports.

positional arguments:
  </path/to/package>    path to package root

optional arguments:
  -h, --help            show this help message and exit
  -n <num>, --package-module-name-segments <num>
                        truncate module names of inspected package to given
                        number of segments (and consolidate imports)
  -m <num>, --dependency-module-name-segments <num>
                        truncate module names of dependencies to given number
                        of segments (and deduplicate)
  -e <type>, --exclude <type>
                        exclude various kinds of dependencies from output
                        (builtin, 3rd-party, internal)
  -o <type>, --only <type>
                        include only dependencies of the given type (builtin,
                        3rd-party, internal)
  -f <format>, --format <format>
                        graph output format (tree, tsort)