Note dependency on uritemplate.

carltongibson · carltongibson · commit 80594700d8f3 · 2018-08-09T15:43:26.000+02:00
diff --git a/rest_framework/schemas/generators.py b/rest_framework/schemas/generators.py
@@ -16,7 +16,8 @@
 
 from rest_framework import exceptions
 from rest_framework.compat import (
-    URLPattern, URLResolver, coreapi, coreschema, get_original_route
+    URLPattern, URLResolver, coreapi, coreschema, get_original_route,
+    uritemplate
 )
 from rest_framework.request import clone_request
 from rest_framework.settings import api_settings
@@ -484,6 +485,10 @@ def get_keys(self, subpath, method, view):
 
 class OpenAPISchemaGenerator(BaseSchemaGenerator):
 
+    def __init__(self, title=None, url=None, description=None, patterns=None, urlconf=None):
+        assert uritemplate, '`uritemplate` must be installed for OpenAPI schema support.'
+        super(OpenAPISchemaGenerator, self).__init__(title, url, description, patterns, urlconf)
+
     def get_paths(self, request=None):
         result = OrderedDict()
 
diff --git a/tests/schemas/test_openapi.py b/tests/schemas/test_openapi.py
@@ -1,6 +1,9 @@
+import unittest
+
 from django.conf.urls import url
 from django.test import RequestFactory, TestCase, override_settings
 
+from rest_framework.compat import uritemplate
 from rest_framework.request import Request
 from rest_framework.schemas.generators import OpenAPISchemaGenerator
 from rest_framework.schemas.inspectors import OpenAPIAutoSchema
@@ -39,6 +42,7 @@ def test_path_without_parameters(self):
             'parameters': []
         }
 
+    @unittest.skipUnless(uritemplate, 'uritemplate is not installed')
     def test_path_with_id_parameter(self):
         path = '/example/{id}/'
         method = 'GET'
