[python] add method to set/get default configuration (OpenAPITools#5315)

* [python] add method to set/get default configuration

* [python] change method name and fix handling api_key

* python: using modified deepcopy to set/get default configuration

* python: update samples

* python: update samples

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

@@ -63,7 +63,7 @@ class ApiClient(object):
     def __init__(self, configuration=None, header_name=None, header_value=None,
                  cookie=None, pool_threads=1):
         if configuration is None:
-            configuration = Configuration()
+            configuration = Configuration.get_default_copy()
         self.configuration = configuration
         self.pool_threads = pool_threads
 

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

@@ -4,6 +4,7 @@
 
 from __future__ import absolute_import
 
+import copy
 import logging
 {{^asyncio}}
 import multiprocessing
@@ -128,6 +129,8 @@ class Configuration(object):
 {{/hasAuthMethods}}
     """
 
+    _default = None
+
     def __init__(self, host="{{{basePath}}}",
                  api_key=None, api_key_prefix=None,
                  username=None, password=None,
@@ -254,6 +257,45 @@ class Configuration(object):
         # Disable client side validation
         self.client_side_validation = True
 
+    def __deepcopy__(self, memo):
+        cls = self.__class__
+        result = cls.__new__(cls)
+        memo[id(self)] = result
+        for k, v in self.__dict__.items():
+            if k not in ('logger', 'logger_file_handler'):
+                setattr(result, k, copy.deepcopy(v, memo))
+        # shallow copy of loggers
+        result.logger = copy.copy(self.logger)
+        # use setters to configure loggers
+        result.logger_file = self.logger_file
+        result.debug = self.debug
+        return result
+
+    @classmethod
+    def set_default(cls, default):
+        """Set default instance of configuration.
+
+        It stores default configuration, which can be
+        returned by get_default_copy method.
+
+        :param default: object of Configuration
+        """
+        cls._default = copy.deepcopy(default)
+
+    @classmethod
+    def get_default_copy(cls):
+        """Return new instance of configuration.
+
+        This method returns newly created, based on default constructor,
+        object of Configuration class or returns a copy of default
+        configuration passed by the set_default method.
+
+        :return: The configuration object.
+        """
+        if cls._default is not None:
+            return copy.deepcopy(cls._default)
+        return Configuration()
+
     @property
     def logger_file(self):
         """The logger file.

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

@@ -68,7 +68,7 @@ class ApiClient(object):
     def __init__(self, configuration=None, header_name=None, header_value=None,
                  cookie=None, pool_threads=1):
         if configuration is None:
-            configuration = Configuration()
+            configuration = Configuration.get_default_copy()
         self.configuration = configuration
         self.pool_threads = pool_threads
 

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

@@ -12,6 +12,7 @@
 
 from __future__ import absolute_import
 
+import copy
 import logging
 import sys
 import urllib3
@@ -82,6 +83,8 @@ class Configuration(object):
       )
     """
 
+    _default = None
+
     def __init__(self, host="http://petstore.swagger.io:80/v2",
                  api_key=None, api_key_prefix=None,
                  username=None, password=None,
@@ -178,6 +181,45 @@ def __init__(self, host="http://petstore.swagger.io:80/v2",
         # Disable client side validation
         self.client_side_validation = True
 
+    def __deepcopy__(self, memo):
+        cls = self.__class__
+        result = cls.__new__(cls)
+        memo[id(self)] = result
+        for k, v in self.__dict__.items():
+            if k not in ('logger', 'logger_file_handler'):
+                setattr(result, k, copy.deepcopy(v, memo))
+        # shallow copy of loggers
+        result.logger = copy.copy(self.logger)
+        # use setters to configure loggers
+        result.logger_file = self.logger_file
+        result.debug = self.debug
+        return result
+
+    @classmethod
+    def set_default(cls, default):
+        """Set default instance of configuration.
+
+        It stores default configuration, which can be
+        returned by get_default_copy method.
+
+        :param default: object of Configuration
+        """
+        cls._default = copy.deepcopy(default)
+
+    @classmethod
+    def get_default_copy(cls):
+        """Return new instance of configuration.
+
+        This method returns newly created, based on default constructor,
+        object of Configuration class or returns a copy of default
+        configuration passed by the set_default method.
+
+        :return: The configuration object.
+        """
+        if cls._default is not None:
+            return copy.deepcopy(cls._default)
+        return Configuration()
+
     @property
     def logger_file(self):
         """The logger file.

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

@@ -12,6 +12,7 @@
 
 from __future__ import absolute_import
 
+import copy
 import logging
 import multiprocessing
 import sys
@@ -83,6 +84,8 @@ class Configuration(object):
       )
     """
 
+    _default = None
+
     def __init__(self, host="http://petstore.swagger.io:80/v2",
                  api_key=None, api_key_prefix=None,
                  username=None, password=None,
@@ -182,6 +185,45 @@ def __init__(self, host="http://petstore.swagger.io:80/v2",
         # Disable client side validation
         self.client_side_validation = True
 
+    def __deepcopy__(self, memo):
+        cls = self.__class__
+        result = cls.__new__(cls)
+        memo[id(self)] = result
+        for k, v in self.__dict__.items():
+            if k not in ('logger', 'logger_file_handler'):
+                setattr(result, k, copy.deepcopy(v, memo))
+        # shallow copy of loggers
+        result.logger = copy.copy(self.logger)
+        # use setters to configure loggers
+        result.logger_file = self.logger_file
+        result.debug = self.debug
+        return result
+
+    @classmethod
+    def set_default(cls, default):
+        """Set default instance of configuration.
+
+        It stores default configuration, which can be
+        returned by get_default_copy method.
+
+        :param default: object of Configuration
+        """
+        cls._default = copy.deepcopy(default)
+
+    @classmethod
+    def get_default_copy(cls):
+        """Return new instance of configuration.
+
+        This method returns newly created, based on default constructor,
+        object of Configuration class or returns a copy of default
+        configuration passed by the set_default method.
+
+        :return: The configuration object.
+        """
+        if cls._default is not None:
+            return copy.deepcopy(cls._default)
+        return Configuration()
+
     @property
     def logger_file(self):
         """The logger file.

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

@@ -69,7 +69,7 @@ class ApiClient(object):
     def __init__(self, configuration=None, header_name=None, header_value=None,
                  cookie=None, pool_threads=1):
         if configuration is None:
-            configuration = Configuration()
+            configuration = Configuration.get_default_copy()
         self.configuration = configuration
         self.pool_threads = pool_threads
 

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

@@ -12,6 +12,7 @@
 
 from __future__ import absolute_import
 
+import copy
 import logging
 import multiprocessing
 import sys
@@ -83,6 +84,8 @@ class Configuration(object):
       )
     """
 
+    _default = None
+
     def __init__(self, host="http://petstore.swagger.io:80/v2",
                  api_key=None, api_key_prefix=None,
                  username=None, password=None,
@@ -182,6 +185,45 @@ def __init__(self, host="http://petstore.swagger.io:80/v2",
         # Disable client side validation
         self.client_side_validation = True
 
+    def __deepcopy__(self, memo):
+        cls = self.__class__
+        result = cls.__new__(cls)
+        memo[id(self)] = result
+        for k, v in self.__dict__.items():
+            if k not in ('logger', 'logger_file_handler'):
+                setattr(result, k, copy.deepcopy(v, memo))
+        # shallow copy of loggers
+        result.logger = copy.copy(self.logger)
+        # use setters to configure loggers
+        result.logger_file = self.logger_file
+        result.debug = self.debug
+        return result
+
+    @classmethod
+    def set_default(cls, default):
+        """Set default instance of configuration.
+
+        It stores default configuration, which can be
+        returned by get_default_copy method.
+
+        :param default: object of Configuration
+        """
+        cls._default = copy.deepcopy(default)
+
+    @classmethod
+    def get_default_copy(cls):
+        """Return new instance of configuration.
+
+        This method returns newly created, based on default constructor,
+        object of Configuration class or returns a copy of default
+        configuration passed by the set_default method.
+
+        :return: The configuration object.
+        """
+        if cls._default is not None:
+            return copy.deepcopy(cls._default)
+        return Configuration()
+
     @property
     def logger_file(self):
         """The logger file.

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

@@ -68,7 +68,7 @@ class ApiClient(object):
     def __init__(self, configuration=None, header_name=None, header_value=None,
                  cookie=None, pool_threads=1):
         if configuration is None:
-            configuration = Configuration()
+            configuration = Configuration.get_default_copy()
         self.configuration = configuration
         self.pool_threads = pool_threads
 

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

@@ -12,6 +12,7 @@
 
 from __future__ import absolute_import
 
+import copy
 import logging
 import multiprocessing
 import sys
@@ -83,6 +84,8 @@ class Configuration(object):
       )
     """
 
+    _default = None
+
     def __init__(self, host="http://petstore.swagger.io:80/v2",
                  api_key=None, api_key_prefix=None,
                  username=None, password=None,
@@ -182,6 +185,45 @@ def __init__(self, host="http://petstore.swagger.io:80/v2",
         # Disable client side validation
         self.client_side_validation = True
 
+    def __deepcopy__(self, memo):
+        cls = self.__class__
+        result = cls.__new__(cls)
+        memo[id(self)] = result
+        for k, v in self.__dict__.items():
+            if k not in ('logger', 'logger_file_handler'):
+                setattr(result, k, copy.deepcopy(v, memo))
+        # shallow copy of loggers
+        result.logger = copy.copy(self.logger)
+        # use setters to configure loggers
+        result.logger_file = self.logger_file
+        result.debug = self.debug
+        return result
+
+    @classmethod
+    def set_default(cls, default):
+        """Set default instance of configuration.
+
+        It stores default configuration, which can be
+        returned by get_default_copy method.
+
+        :param default: object of Configuration
+        """
+        cls._default = copy.deepcopy(default)
+
+    @classmethod
+    def get_default_copy(cls):
+        """Return new instance of configuration.
+
+        This method returns newly created, based on default constructor,
+        object of Configuration class or returns a copy of default
+        configuration passed by the set_default method.
+
+        :return: The configuration object.
+        """
+        if cls._default is not None:
+            return copy.deepcopy(cls._default)
+        return Configuration()
+
     @property
     def logger_file(self):
         """The logger file.

samples/client/petstore/python/tests/test_configuration.py

@@ -22,14 +22,30 @@ def setUp(self):
         pass
 
     def tearDown(self):
-        pass
+        # reset Configuration
+        petstore_api.Configuration.set_default(None)
 
     def testConfiguration(self):
         # check that different instances use different dictionaries
         c1 = petstore_api.Configuration()
         c2 = petstore_api.Configuration()
-        assert id(c1.api_key) != id(c2.api_key)
-        assert id(c1.api_key_prefix) != id(c2.api_key_prefix)
+        self.assertNotEqual(id(c1.api_key), id(c2.api_key))
+        self.assertNotEqual(id(c1.api_key_prefix), id(c2.api_key_prefix))
+
+    def testDefaultConfiguration(self):
+
+        # prepare default configuration
+        c1 = petstore_api.Configuration(host="example.com")
+        c1.debug = True
+        petstore_api.Configuration.set_default(c1)
+
+        # get default configuration
+        c2 = petstore_api.Configuration.get_default_copy()
+        self.assertEqual(c2.host, "example.com")
+        self.assertTrue(c2.debug)
+
+        self.assertNotEqual(id(c1.api_key), id(c2.api_key))
+        self.assertNotEqual(id(c1.api_key_prefix), id(c2.api_key_prefix))
 
 
 if __name__ == '__main__':