Entry

Function which knows who has called it

Jul 5th, 2000 10:02
Nathan Wallace, Hans Nowak, Snippet 293, Darrell

"""
Packages: miscellaneous.introspection
"""
"""
> Is if possible in Python to have a function that prints the name
> of the function that called it. (I'm thinking of using this in
> some debugging code I want to write).
"""
def myDirExcept(howFarBack):
        """
        Get the directory of the module running at "howfarBack "
        in the stack frames
        This value is compiled into the .pyc file
        This can be a problem.
        Name will change depending on where python was run from
        when the pyc file was created
        Unix can store a relative path
        Windows stores an absolute path
        """
        try:
                raise ZeroDivisionError
        except ZeroDivisionError:
                f = sys.exc_info()[2].tb_frame
        for i in range(howFarBack):
                f = f.f_back
        t = f.f_code
        fname = t.co_filename
        p = string.split(fname, os.sep)
        fname = string.join(p[:-1], os.sep)
        return fname