whichpy -- a nifty script for finding where your python module is imported from

whichpy

#!/usr/bin/env python
 
import sys
from os.path import basename, dirname
from re import compile as regxcomp
from re import match as regxmat
 
INIT_BNAME = regxcomp('__init__.py')
 
def try_import(module_name):
    try:
      exec("import " + module_name + " as mod_name_loaded")
    except ValueError, SyntaxError:
      print "Please give a module name to check"
      return False
    except ImportError:
      print "No module named %s" % (module_name)
      return False
    except:
      print "Unhandled exception: ", sys.exc_info()[0]
      return False
 
    module_name_loc = mod_name_loaded.__file__
    if regxmat(INIT_BNAME, basename(module_name_loc)):
        module_name_loc = dirname(module_name_loc)
    print "Module: %s is located at %s" % (module_name, module_name_loc)
    return True
 
def main(module_name):
 
    if module_name is None:
        print "Please give a module name to check"
        return False
 
    return try_import(module_name)
 
if __name__ == '__main__':
    if main(sys.argv[-1]) is True:
      sys.exit(0)
 
    sys.exit(1)