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pipdeptree 0.1

Command line utility to show dependency tree of packages

Latest Version: 0.2

pipdeptree is a command line utility for displaying the python packages installed in an environment in form of a dependency tree. Since pip freeze shows all dependencies as a flat list, finding out which are the top level packages and which packages do they depend on requires some effort. This utility tries to solve this problem.

Installation

$ pip install pipdeptree

Usage and examples

To give you a brief idea, here is the output of pipdeptree compared with pip freeze:

$ pip freeze
Flask==0.10.1
Flask-Script==0.6.6
Jinja2==2.7.2
Mako==0.9.1
MarkupSafe==0.18
SQLAlchemy==0.9.1
Werkzeug==0.9.4
alembic==0.6.2
argparse==1.2.1
itsdangerous==0.23
psycopg2==2.5.2
redis==2.9.1
slugify==0.0.1
wsgiref==0.1.2

And now see what pipdeptree outputs,

$ pipdeptree
wsgiref==0.1.2
argparse==1.2.1
psycopg2==2.5.2
Flask-Script==0.6.6
  - Flask [installed: 0.10.1]
    - Werkzeug [required: >=0.7, installed: 0.9.4]
    - Jinja2 [required: >=2.4, installed: 2.7.2]
      - markupsafe [installed: 0.18]
    - itsdangerous [required: >=0.21, installed: 0.23]
alembic==0.6.2
  - SQLAlchemy [required: >=0.7.3, installed: 0.9.1]
  - Mako [installed: 0.9.1]
    - MarkupSafe [required: >=0.9.2, installed: 0.18]
slugify==0.0.1
redis==2.9.1

If you wish to track only the top level packages in your requirements.txt file, you could use grep as follows,

$ pipdeptree | grep -P '^[\w0-9\-=.]+'
wsgiref==0.1.2
argparse==1.2.1
psycopg2==2.5.2
Flask-Script==0.6.6
alembic==0.6.2
slugify==0.0.1
redis==2.9.1

$ pipdeptree | grep -P '^[\w0-9\-=.]+' > requirements.txt

Usage

$ pipdeptree -h
usage: pipdeptree [-h] [-a] [-l]

Dependency tree of the installed python packages

optional arguments:
  -h, --help        show this help message and exit
  -a, --all         list all deps at top level
  -l, --local-only  list only the installations local to the current
                    virtualenv, if in a virtualenv

Known Issues

One thing you might have noticed already is that flask is shown as a dependency of flask-script, which although correct, sounds a bit odd. flask-script is being used here because we are using flask and not the other way around. Same with sqlalchemy and alembic. I haven't yet thought about a possible solution to this! (May be if libs that are "extensions" could be distinguished from the ones that are "dependencies". Suggestions are welcome.)

License

MIT (See LICENSE)

 
File Type Py Version Uploaded on Size
pipdeptree-0.1.tar.gz (md5) Source 2014-02-05 3KB
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