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- """Hook to allow user-specified customization code to run.
-
- As a policy, Python doesn't run user-specified code on startup of
- Python programs (interactive sessions execute the script specified in
- the PYTHONPATH environment variable if it exists).
-
- However, some programs or sites may find it convenient to allow users
- to have a standard customization file, which gets run when a program
- requests it. This module implements such a mechanism. A program
- that wishes to use the mechanism must execute the statement
-
- import user
-
- The user module looks for a file .pythonrc.py in the user's home
- directory and if it can be opened, execfile()s it in its own global
- namespace. Errors during this phase are not caught; that's up to the
- program that imports the user module, if it wishes.
-
- The user's .pythonrc.py could conceivably test for sys.version if it
- wishes to do different things depending on the Python version.
-
- """
-
- import os
-
- home = os.curdir # Default
- if os.environ.has_key('HOME'):
- home = os.environ['HOME']
- elif os.name == 'nt': # Contributed by Jeff Bauer
- if os.environ.has_key('HOMEPATH'):
- if os.environ.has_key('HOMEDRIVE'):
- home = os.environ['HOMEDRIVE'] + os.environ['HOMEPATH']
- else:
- home = os.environ['HOMEPATH']
-
- pythonrc = os.path.join(home, ".pythonrc.py")
- try:
- f = open(pythonrc)
- except IOError:
- pass
- else:
- f.close()
- execfile(pythonrc)
-