Config from object string

docs/sanic/config.md

@@ -53,6 +53,13 @@ import myapp.default_settings
 app = Sanic('myapp')
 app.config.from_object(myapp.default_settings)
 ```
+or also by path to config:
+
+```
+app = Sanic('myapp')
+app.config.from_object('config.path.config.Class')
+```
+
 
 You could use a class or any other object as well.
 

sanic/config.py

@@ -1,6 +1,8 @@
 import os
 import types
 
+import import_string
+
 from sanic.exceptions import PyFileError
 
 
@@ -111,6 +113,8 @@ def from_object(self, obj):
 
         :param obj: an object holding the configuration
         """
+        if isinstance(obj, str):
+            obj = import_string(obj)
         for key in dir(obj):
             if key.isupper():
                 self[key] = getattr(obj, key)

setup.py

@@ -4,7 +4,7 @@
 import codecs
 import os
 import re
-from distutils.errors import DistutilsPlatformError
+
 from distutils.util import strtobool
 
 from setuptools import setup
@@ -63,6 +63,7 @@ def open_local(paths, mode='r', encoding='utf8'):
     'aiofiles>=0.3.0',
     'websockets>=6.0,<7.0',
     'multidict>=4.0,<5.0',
+    'import-string>=0.1.0'
 ]
 if strtobool(os.environ.get("SANIC_NO_UJSON", "no")):
     print("Installing without uJSON")

tests/test_config.py

@@ -16,17 +16,25 @@ def temp_path():
         yield Path(td, 'file')
 
 
-def test_load_from_object(app):
-    class Config:
+class Config:
         not_for_config = 'should not be used'
         CONFIG_VALUE = 'should be used'
 
+
+def test_load_from_object(app):
     app.config.from_object(Config)
     assert 'CONFIG_VALUE' in app.config
     assert app.config.CONFIG_VALUE == 'should be used'
     assert 'not_for_config' not in app.config
 
 
+def test_load_from_object_string(app):
+    app.config.from_object('test_config.Config')
+    assert 'CONFIG_VALUE' in app.config
+    assert app.config.CONFIG_VALUE == 'should be used'
+    assert 'not_for_config' not in app.config
+
+
 def test_auto_load_env():
     environ["SANIC_TEST_ANSWER"] = "42"
     app = Sanic()