add support for path-level parameters

openapi_core/schema/paths/generators.py

@@ -3,6 +3,7 @@ from six import iteritems
 
 from openapi_core.compat import lru_cache
 from openapi_core.schema.operations.generators import OperationsGenerator
+from openapi_core.schema.parameters.generators import ParametersGenerator
 from openapi_core.schema.paths.models import Path
 
 
@@ -16,9 +17,17 @@ class PathsGenerator(object):
         paths_deref = self.dereferencer.dereference(paths)
         for path_name, path in iteritems(paths_deref):
             operations = self.operations_generator.generate(path_name, path)
-            yield path_name, Path(path_name, list(operations))
+            parameters = self.parameters_generator.generate_from_list(
+                path.get('parameters', {})
+            )
+            yield path_name, Path(path_name, list(operations), parameters)
 
     @property
     @lru_cache()
     def operations_generator(self):
         return OperationsGenerator(self.dereferencer, self.schemas_registry)
+
+    @property
+    @lru_cache()
+    def parameters_generator(self):
+        return ParametersGenerator(self.dereferencer, self.schemas_registry)

openapi_core/schema/paths/models.py

@@ -4,9 +4,10 @@
 class Path(object):
     """Represents an OpenAPI Path."""
 
-    def __init__(self, name, operations):
+    def __init__(self, name, operations, parameters=None):
         self.name = name
         self.operations = dict(operations)
+        self.parameters = dict(parameters) if parameters else {}
 
     def __getitem__(self, http_method):
         return self.operations[http_method]

tests/integration/data/v3.0/path_param.yaml

@@ -0,0 +1,17 @@
+openapi: "3.0.0"
+info:
+  title: Minimal OpenAPI specification with path parameters
+  version: "0.1"
+paths:
+  /resource/{resId}:
+    parameters:
+      - name: resId
+        in: path
+        required: true
+        description: the ID of the resource to retrieve
+        schema:
+          type: string
+    get:
+      responses:
+        default:
+          description: Return the resource.

tests/integration/test_path_params.py

@@ -0,0 +1,23 @@
+import pytest
+
+from openapi_core.schema.parameters.enums import ParameterLocation
+from openapi_core.shortcuts import create_spec
+
+
+class TestMinimal(object):
+
+    spec_paths = [
+        "data/v3.0/path_param.yaml"
+    ]
+
+    @pytest.mark.parametrize("spec_path", spec_paths)
+    def test_param_present(self, factory, spec_path):
+        spec_dict = factory.spec_from_file(spec_path)
+        spec = create_spec(spec_dict)
+
+        path = spec['/resource/{resId}']
+
+        assert len(path.parameters) == 1
+        param = path.parameters['resId']
+        assert param.required
+        assert param.location == ParameterLocation.PATH