Locate python object definition in your file-system
pyloc prints the location of the definition of any python object in your file-system.
pyloc is very similar to what python3 -m inspect -d <object> offers. However, it is only focused to retrieve the file name (and eventually the line number) where a given Python object is defined. The object can be a package, module, class, method or function.
pyloc makes some further efforts to figure out the line and column number and its output is formatted so that it can easily be passed to emacsclient or vi.
You can see the location of Popen.wait method in the sub-process package:
$ python -m pyloc -f human subprocess:Popen.wait Filename: /Users/polrop/.pyenv/versions/2.7.9/lib/python2.7/subprocess.py Line: 1379 $ python -m pyloc -f human email.utils:formataddr Filename: /Users/polrop/.pyenv/versions/2.7.9/lib/python2.7/email/utils.py Line: 85
(Output may be different on your system if you have different installation path and version)
Note that the object naming syntax is as follow: module[:qualname] Since version 0.2.0, syntax module[.qualname] a la pydoc is also supported.
To open it in Emacs you can do:
$ emacsclient `python -m pyloc -f emacs subprocess:Popen.wait`
or in vim:
$ vim `python -m pyloc -f vi subprocess:Popen.wait`
If you are lazy typing -f <format> all the time and you often use the same format, you can set the default output format this way (you can add this line in your .zshenv or .bashrc):
$ export PYLOC_DEFAULT_FORMAT=emacs
pyloc will always locate object based on the python interpreter your are using:
$ python3 -m pyloc -f human subprocess:Popen.wait Filename: /Users/polrop/.pyenv/versions/3.4.3/lib/python3.4/subprocess.py Line: 1526 $ /usr/local/bin/python -m pyloc -f human email.utils:formataddr Filename: /usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/email/utils.py Line: 85 $ /usr/bin/python -m pyloc -f human email.utils:formataddr Filename: /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/email/utils.py Line: 85
You can install pyloc using pip like this:
$ pip install pyloc
$ pip3 install pyloc
Directly from the source
$ git clone https://github.com/nicolasdespres/pyloc.git $ cd pyloc $ python setup.py develop # If you also want it for Python 3 $ python3 setup.py develop
Note that if you also install the Python 3 version, the pyloc2 command line driver will not work but the pyloc driver will point to the Python 2 installation.
To uninstall it, you ca do:
$ python setup.py develop --uninstall # And if you installed the Python 3 version $ python3 setup.py develop --uninstall
However, this won’t remove the entry scripts generated by easy install.
- Classes or built-in types like int or str do not contain location information. In this case pyloc tries to look for the name in the AST. This procedure may not be accurate since Python is a dynamic language.
See HACKING for details.
See the corresponding tag annotation. After cloning you can do for instance:
$ git show v0.1.10
pyloc is released under the term of the Simplified BSD License. Copyright (c) 2015-2106, Nicolas Desprès All rights reserved.
As noted in the source code, some part has been inspired by code from the inspect module written by Ka-Ping Yee <email@example.com> and Yury Selivanov <firstname.lastname@example.org> form the Python 3.4.3 distribution (see the LICENSE file in the python distribution)
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