Python Module Internal Representation and Introspection: Difference between revisions
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The directory portion of <code>__file__</code> should be one of the directories in <code>[[Python_Language_Modularization#sys.path|sys.path]]</code>. | The directory portion of <code>__file__</code> should be one of the directories in <code>[[Python_Language_Modularization#sys.path|sys.path]]</code>. | ||
===<tt>__path__</tt>=== | ===<tt>__path__</tt>=== | ||
The <code>__path__</code> attribute exists only for <code>module</code> instances that represent packages, not for those instances that represent ordinary modules. <code>__path__</code> contains the path of the package root directory, where the component modules, subpackages, <code>__init__.py</code> and <code>__main__.py</code> live. | The <code>__path__</code> attribute exists only for <code>module</code> instances that represent [[Python_Language_Modularization#Package|packages]], not for those instances that represent ordinary [[Python_Language_Modularization#Modules|modules]]. <code>__path__</code> contains the path of the package root directory, where the component modules, [[Python_Language_Modularization#Subpackages|subpackages]], <code>[[Python_Language_Modularization#init_.py|__init__.py]]</code> and <code>[[Python_Language_Modularization#main_.py|__main__.py]]</code> live. | ||
Revision as of 02:30, 4 January 2023
Internal
Overview
The module Class
All module and package instances are represented internally as instances of the module
Attributes
__file__
Once imported, the file associated with the module can be determined using the module object's __file__ attribute:
import mymodule
[...]
print(mymodule.__file__)
The directory portion of __file__ should be one of the directories in sys.path.
__path__
The __path__ attribute exists only for module instances that represent packages, not for those instances that represent ordinary modules. __path__ contains the path of the package root directory, where the component modules, subpackages, __init__.py and __main__.py live.