Guard against views that throw exceptions from __init__

docs/changelog.rst

@@ -3,6 +3,15 @@ Changelog
 #########
 
 
+*********
+**1.7.3**
+*********
+
+*Release date: May 12, 2018*
+
+- **FIXED:** views whose ``__init__`` methods throw exceptions will now be ignored during endpoint enumeration
+
+
 *********
 **1.7.2**
 *********

src/drf_yasg/generators.py

@@ -86,14 +86,17 @@ class EndpointEnumerator(_EndpointEnumerator):
         for pattern in patterns:
             path_regex = prefix + get_original_route(pattern)
             if isinstance(pattern, URLPattern):
-                path = self.get_path_from_regex(path_regex)
+                try:
-                callback = pattern.callback
+                    path = self.get_path_from_regex(path_regex)
-                url_name = pattern.name
+                    callback = pattern.callback
-                if self.should_include_endpoint(path, callback, app_name or '', namespace or '', url_name):
+                    url_name = pattern.name
-                    path = self.replace_version(path, callback)
+                    if self.should_include_endpoint(path, callback, app_name or '', namespace or '', url_name):
-                    for method in self.get_allowed_methods(callback):
+                        path = self.replace_version(path, callback)
-                        endpoint = (path, method, callback)
+                        for method in self.get_allowed_methods(callback):
-                        api_endpoints.append(endpoint)
+                            endpoint = (path, method, callback)
+                            api_endpoints.append(endpoint)
+                except Exception:
+                    logger.warning('failed to enumerate view', exc_info=True)
 
             elif isinstance(pattern, URLResolver):
                 nested_endpoints = self.get_api_endpoints(