refactor: use semicolon to separate module path from variable

Author: alukach

README.md

@@ -117,7 +117,7 @@ The application is configurable via environment variables.
     - **Example:**
       ```json
       {
-        "cls": "my_package.filters.OrganizationFilter",
+        "cls": "my_package.filters:OrganizationFilter",
         "args": ["org1"],
         "kwargs": {
           "field_name": "properties.organization"

src/stac_auth_proxy/config.py

@@ -23,7 +23,8 @@ class ClassInput(BaseModel):
 
     def __call__(self):
         """Dynamically load a class and instantiate it with args & kwargs."""
-        module_path, class_name = self.cls.rsplit(".", 1)
+        assert self.cls.count(":")
+        module_path, class_name = self.cls.rsplit(":", 1)
         module = importlib.import_module(module_path)
         cls = getattr(module, class_name)
         return cls(*self.args, **self.kwargs)

tests/test_filters_jinja2.py

@@ -132,7 +132,7 @@ def _build_client(
     app = app_factory(
         upstream_url=src_api_server,
         items_filter={
-            "cls": "stac_auth_proxy.filters.Template",
+            "cls": "stac_auth_proxy.filters:Template",
             "args": [template_expr.strip()],
         },
         default_public=True,