##// END OF EJS Templates
Use proper subprocess commands instead of modifying the command line....
Use proper subprocess commands instead of modifying the command line. This should in particular work on windows; as 2>/dev/null might not have been proper windows syntax

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module_paths.py
70 lines | 2.3 KiB | text/x-python | PythonLexer
"""Utility functions for finding modules
Utility functions for finding modules on sys.path.
`find_module` returns a path to module or None, given certain conditions.
"""
#-----------------------------------------------------------------------------
# Copyright (c) 2011, the IPython Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
# Stdlib imports
import importlib
import os
# Third-party imports
# Our own imports
#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Local utilities
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Classes and functions
#-----------------------------------------------------------------------------
def find_mod(module_name):
"""
Find module `module_name` on sys.path, and return the path to module `module_name`.
- If `module_name` refers to a module directory, then return path to __init__ file.
- If `module_name` is a directory without an __init__file, return None.
- If module is missing or does not have a `.py` or `.pyw` extension, return None.
- Note that we are not interested in running bytecode.
- Otherwise, return the fill path of the module.
Parameters
----------
module_name : str
Returns
-------
module_path : str
Path to module `module_name`, its __init__.py, or None,
depending on above conditions.
"""
loader = importlib.util.find_spec(module_name)
module_path = loader.origin
if module_path is None:
return None
else:
split_path = module_path.split(".")
if split_path[-1] in ["py", "pyw"]:
return module_path
else:
return None