This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description

Python module dependency visualization. This package installs the pydeps command, and normal usage will be to use it from the command line.

New in version 1.3.4: --externals will now include modules that haven’t been installed (what modulefinder calls badmodules).

New in version 1.2.8: A shortcut for finding the direct external dependencies of a package was added:

pydeps --externals mypackage

which will print a json formatted list of module names to the screen, e.g.:

(dev) go|c:\srv\lib\dk-tasklib> pydeps --externals dktasklib
[
    "dkfileutils"
]

which meaans that the dktasklib package only depends on the dkfileutils package.

This functionality is also available programatically:

import os
from pydeps.pydeps import externals
# the directory that contains setup.py (one level up from actual package):
os.chdir('package-directory')
print externals('mypackage')

New in version 1.2.5: The defaults are now sensible, such that:

pydeps mypackage

will likely do what you want. It is the same as pydeps --show --max-bacon=2 mypackage which means display the dependency graph in your browser, but limit it to two hops (which includes only the modules that your module imports – not continuing down the import chain). The old default behavior is available with pydeps --noshow --max-bacon=0 mypackage.

To install:

pip install pydeps

To create graphs you need to install Graphviz (make sure the dot command is on your path).

Note

to display the resulting .svg files, pydeps by default calls firefox foo.svg. This is can be overridden with the --display PROGRAM option, where PROGRAM is an executable that can display the image file of the graph.

Note

Please report bugs and feature requests on GitHub at https://github.com/thebjorn/pydeps/issues

This is the result of running pydeps on itself (pydeps pydeps):

pydeps also contains an Erdős-like scoring function (a.k.a. Bacon number, from Six degrees of Kevin Bacon (http://en.wikipedia.org/wiki/Six_Degrees_of_Kevin_Bacon) that lets you filter out modules that are more than a given number of ‘hops’ away from the module you’re interested in. This is useful for finding the interface a module has to the rest of the world.

To find pydeps’ interface to the Python stdlib (less some very common modules).

pydeps pydeps --show --max-bacon 2 --pylib -x os re types _* enum

--max-bacon 2 (the default) gives the modules that are at most 2 hops away, and modules that belong together have similar colors. Compare that to the output with the --max-bacon=0 (infinite) filter:

All options can also be set in a .pydeps file using .ini file syntax (parsable by ConfigParser). Command line options override options in the .pydeps file in the current directory, which again overrides options in the user’s home directory (%USERPROFILE%\.pydeps on Windows and ${HOME}/.pydeps otherwise).

pydeps can detect and display cycles with the --show-cycles parameter. This will _only_ display the cycles, and for big libraries it is not a particularly fast operation. Given a folder with the following contents (this uses yaml to define a directory structure, like in the tests):

relimp:
    - __init__.py
    - a.py: |
        from . import b
    - b.py: |
        from . import a

pydeps relimp --show-cycles displays:

An attempt has been made to keep the intermediate formats readable, eg. the output from pydeps --show-deps .. looks like this:

...
"pydeps.mf27": {
    "imported_by": [
        "__main__",
        "pydeps.py2depgraph"
    ],
    "kind": "imp.PY_SOURCE",
    "name": "pydeps.mf27",
    "path": "pydeps\\mf27.py"
},
"pydeps.py2depgraph": {
    "imported_by": [
        "__main__",
        "pydeps.pydeps"
    ],
    "imports": [
        "pydeps.depgraph",
        "pydeps.mf27"
    ],
    "kind": "imp.PY_SOURCE",
    "name": "pydeps.py2depgraph",
    "path": "pydeps\\py2depgraph.py"
}, ...

Usage:

usage: pydeps-script.py [-h] [--config FILE] [--no-config] [-v] [-o file]
                        [-T FORMAT] [--display PROGRAM] [--noshow]
                        [--show-deps] [--show-raw-deps] [--show-dot]
                        [--show-cycles] [--debug] [--noise-level INT]
                        [--max-bacon INT] [--pylib] [--pylib-all]
                        [-x FNAME [FNAME ...]]
                        fname

positional arguments:
  fname                 filename

optional arguments:
  -h, --help            show this help message and exit
  --config FILE         specify config file
  --no-config           disable processing of config files
  -v, --verbose         be more verbose (-vv, -vvv for more verbosity)
  -o file               write output to 'file'
  -T FORMAT             output format (svg|png)
  --display PROGRAM     program used to display the graph (png or svg file
                        depending on the T parameter)
  --noshow              don't call external program to display graph
  --show-deps           show output of dependency analysis
  --show-raw-deps       show output of dependency analysis before removing
                        skips
  --show-dot            show output of dot conversion
  --show-cycles         show only import cycles
  --debug               turn on all the show and verbose options
  --noise-level INT     exclude sources or sinks with degree greater than
                        noise-level
  --max-bacon INT       exclude nodes that are more than n hops away
                        (default=2, 0 -> infinite)
  --pylib               include python std lib modules
  --pylib-all           include all std lib modules (incl. C modules)
  -x FNAME [FNAME ...], --exclude FNAME [FNAME ...]
                        input files to skip

You can of course import pydeps from Python (look in the tests/test_relative_imports.py file for examples.

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am ‘Add some feature’)
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request
Release History

Release History

1.3.5

This version

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1.3.4

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1.3.3

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1.3.2

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1.3.1

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1.3.0

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1.2.9

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1.2.8

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1.2.7

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1.2.6

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1.2.5

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1.2.4

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1.2.3

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1.2.2

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1.2.1

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1.2.0

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1.1.1

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1.1.0

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1.0.0

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0.9.15

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0.9.14

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0.9.13

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0.9.12

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0.9.11

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0.9.10

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0.9.9

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0.9.8

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0.9.7

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0.9.6

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0.9.5

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0.9.4

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0.9.3

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0.9.2

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0.9.1

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0.9.0

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0.1.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pydeps-1.3.5-py2-none-any.whl (31.8 kB) Copy SHA256 Checksum SHA256 2.7 Wheel Nov 26, 2016
pydeps-1.3.5.zip (35.1 kB) Copy SHA256 Checksum SHA256 Source Nov 26, 2016

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