importstring.py
36 lines
| 1.1 KiB
| text/x-python
|
PythonLexer
Brian Granger
|
r2229 | # encoding: utf-8 | ||
| """ | ||||
| A simple utility to import something by its string name. | ||||
| Authors: | ||||
| * Brian Granger | ||||
| """ | ||||
| #----------------------------------------------------------------------------- | ||||
| # Copyright (C) 2008-2009 The IPython Development Team | ||||
| # | ||||
| # Distributed under the terms of the BSD License. The full license is in | ||||
| # the file COPYING, distributed as part of this software. | ||||
| #----------------------------------------------------------------------------- | ||||
| #----------------------------------------------------------------------------- | ||||
| # Functions and classes | ||||
| #----------------------------------------------------------------------------- | ||||
| def import_item(name): | ||||
| """Import and return bar given the string foo.bar.""" | ||||
| package = '.'.join(name.split('.')[0:-1]) | ||||
| obj = name.split('.')[-1] | ||||
Thomas Kluyver
|
r3108 | # execString = 'from %s import %s' % (package, obj) | ||
| # try: | ||||
| # exec execString | ||||
| # except SyntaxError: | ||||
| # raise ImportError("Invalid class specification: %s" % name) | ||||
| # exec 'temp = %s' % obj | ||||
| # return temp | ||||
| if package: | ||||
| module = __import__(package,fromlist=[obj]) | ||||
| return module.__dict__[obj] | ||||
| else: | ||||
| return __import__(obj) | ||||