Coverage for sympy/utilities/source.py : 50%

""" 

This module adds several functions for interactive source code inspection. 

""" 

from __future__ import print_function, division 

import inspect 

def source(object): 

""" 

Prints the source code of a given object. 

""" 

print('In file: %s' % inspect.getsourcefile(object)) 

print(inspect.getsource(object)) 

def get_class(lookup_view): 

""" 

Convert a string version of a class name to the object. 

For example, get_class('sympy.core.Basic') will return 

class Basic located in module sympy.core 

""" 

if isinstance(lookup_view, str): 

mod_name, func_name = get_mod_func(lookup_view) 

if func_name != '': 

lookup_view = getattr( 

__import__(mod_name, {}, {}, ['*']), func_name) 

if not callable(lookup_view): 

raise AttributeError( 

"'%s.%s' is not a callable." % (mod_name, func_name)) 

return lookup_view 

def get_mod_func(callback): 

""" 

splits the string path to a class into a string path to the module 

and the name of the class. For example: 

>>> from sympy.utilities.source import get_mod_func 

>>> get_mod_func('sympy.core.basic.Basic') 

('sympy.core.basic', 'Basic') 

""" 

dot = callback.rfind('.') 

if dot == -1: 

return callback, '' 

return callback[:dot], callback[dot + 1:]