[Python experimental] Add __setattr__ function to ensure signing_info.host is the same as configuration.host when the user assigns signing info (#6033)

* Add __setattr__ function to ensure signing_info.host is the same as configuration.host when the user assigns signing info

* Add __setattr__ function to ensure signing_info.host is the same as configuration.host when the user assigns signing info

modules/openapi-generator/src/main/resources/python/configuration.mustache

@@ -271,6 +271,15 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+{{#hasHttpSignatureMethods}}
+        if name == "signing_info" and value is not None:
+            # Ensure the host paramater from signing info is the same as
+            # Configuration.host.
+            value.host = self.host
+{{/hasHttpSignatureMethods}}
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.

samples/client/petstore/python-asyncio/petstore_api/configuration.py

@@ -195,6 +195,9 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.

samples/client/petstore/python-experimental/petstore_api/configuration.py

@@ -199,6 +199,9 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.

samples/client/petstore/python-tornado/petstore_api/configuration.py

@@ -199,6 +199,9 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.

samples/client/petstore/python/petstore_api/configuration.py

@@ -199,6 +199,9 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.

samples/openapi3/client/petstore/python-experimental/petstore_api/configuration.py

@@ -246,6 +246,13 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+        if name == "signing_info" and value is not None:
+            # Ensure the host paramater from signing info is the same as
+            # Configuration.host.
+            value.host = self.host
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.

samples/openapi3/client/petstore/python/petstore_api/configuration.py

@@ -199,6 +199,9 @@ class Configuration(object):
         result.debug = self.debug
         return result
 
+    def __setattr__(self, name, value):
+        object.__setattr__(self, name, value)
+
     @classmethod
     def set_default(cls, default):
         """Set default instance of configuration.