1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
from importlib import import_module
def import_string(dotted_path):
"""
Import a dotted module path and return the attribute/class designated by the
last name in the path. Raise ImportError if the import failed.
Args:
dotted_path: The path to attempt importing
Returns:
Imported class/attribute
"""
try:
module_path, class_name = dotted_path.rsplit(".", 1)
except ValueError as err:
raise ImportError("%s doesn't look like a module path" % dotted_path) from err
module = import_module(module_path)
try:
return getattr(module, class_name)
except AttributeError as err:
raise ImportError(
'Module "%s" does not define a "%s" attribute/class'
% (module_path, class_name)
) from err
|
