Using pipdeptree to write requirements.txt file these packages willīe excluded from the output. In the above example, you can also see -exclude option which is the opposite of -packages ie. Similar to the warnings about conflicting dependencies, these too are printed to stderr and can be controlled using the CircularDependencyB => CircularDependencyA => CircularDependencyB Specified as a dependency of multiple packages with different versions is considered as a conflicting dependency.Ĭonflicting dependencies are possible if older version of pip CircularDependencyB => CircularDependencyA Jinja2 = 2.11.2 - Flask = 0.10.1 What's with the warning about conflicting dependencies?Īs seen in the above output, pipdeptree by default warns about possible conflicting dependencies. Package(s), it can be combined with -packages option as follows: $ pipdeptree -reverse -packages itsdangerous,MarkupSafe To find out which packages depend on a particular Yes, there's a -reverse (or simply -r) flag for this. Is it possible to find out why a particular package is installed? itsdangerous - Jinja2 - MarkupSafe - Werkzeug Lookupy = 0.1 Warning!!! Possibly conflicting dependencies found:

Pipdeptree file:///private/tmp/pipdeptree-2.0.0b1-p圓-none-any.whlĪnd now see what pipdeptree outputs, $ pipdeptree To give you a brief idea, here is the output of pipdeptree compared with pip freeze: $ pip freeze

That this capability has been recently added in version 2.0.0.Īlternatively, you may also install pipdeptree inside the virtualenv and then run it from there. If you want to run pipdeptree in the context of a particular virtualenv, you can specify the -python option. Pipdeptree has been tested with Python versions 3.7, 3.8, 3.9 and 3.10. To some extent, pipdeptree is inspired by the lein deps :tree command of Leiningen.

pipdeptree can help here by identifying conflicting dependencies It's also tedious to resolve conflicting dependencies that could have been installed because older version of pipĭidn't have true dependency resolution. Since pip freeze shows all dependenciesĪs a flat list, finding out which are the top level packages and which packages do they depend on requires some effort. Works for packages installed globally on a machine as well as in a virtualenv. Pipdeptree is a command line utility for displaying the installed python packages in form of a dependency tree.

Pip install specific package version