[Python][Client] Allow all content-types with text/ prefix (#19802)

* ODM-12108: allow all content-types with text/ prefix

* ODM-12108: Update deserialization tests

---------

Co-authored-by: Oleg Kunitsyn <you@example.com>

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

@@ -417,7 +417,7 @@ class ApiClient:
                 data = ""
             else:
                 data = json.loads(response_text)
-        elif re.match(r'^text/plain\s*(;|$)', content_type, re.IGNORECASE):
+        elif re.match(r'^text\/[a-z.+-]+\s*(;|$)', content_type, re.IGNORECASE):
             data = response_text
         else:
             raise ApiException(

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

@@ -215,7 +215,7 @@ class RESTClientObject:
                         headers=headers,
                         preload_content=False
                     )
-                elif headers['Content-Type'] == 'text/plain' and isinstance(body, bool):
+                elif headers['Content-Type'].startswith('text/') and isinstance(body, bool):
                     request_body = "true" if body else "false"
                     r = self.pool_manager.request(
                         method,

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/api_client.py

@@ -410,7 +410,7 @@ class ApiClient:
                 data = ""
             else:
                 data = json.loads(response_text)
-        elif re.match(r'^text/plain\s*(;|$)', content_type, re.IGNORECASE):
+        elif re.match(r'^text\/[a-z.+-]+\s*(;|$)', content_type, re.IGNORECASE):
             data = response_text
         else:
             raise ApiException(

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/rest.py

@@ -226,7 +226,7 @@ class RESTClientObject:
                         headers=headers,
                         preload_content=False
                     )
-                elif headers['Content-Type'] == 'text/plain' and isinstance(body, bool):
+                elif headers['Content-Type'].startswith('text/') and isinstance(body, bool):
                     request_body = "true" if body else "false"
                     r = self.pool_manager.request(
                         method,

samples/client/echo_api/python/openapi_client/api_client.py

@@ -410,7 +410,7 @@ class ApiClient:
                 data = ""
             else:
                 data = json.loads(response_text)
-        elif re.match(r'^text/plain\s*(;|$)', content_type, re.IGNORECASE):
+        elif re.match(r'^text\/[a-z.+-]+\s*(;|$)', content_type, re.IGNORECASE):
             data = response_text
         else:
             raise ApiException(

samples/client/echo_api/python/openapi_client/rest.py

@@ -226,7 +226,7 @@ class RESTClientObject:
                         headers=headers,
                         preload_content=False
                     )
-                elif headers['Content-Type'] == 'text/plain' and isinstance(body, bool):
+                elif headers['Content-Type'].startswith('text/') and isinstance(body, bool):
                     request_body = "true" if body else "false"
                     r = self.pool_manager.request(
                         method,

samples/openapi3/client/petstore/python-aiohttp/petstore_api/api_client.py

@@ -412,7 +412,7 @@ class ApiClient:
                 data = ""
             else:
                 data = json.loads(response_text)
-        elif re.match(r'^text/plain\s*(;|$)', content_type, re.IGNORECASE):
+        elif re.match(r'^text\/[a-z.+-]+\s*(;|$)', content_type, re.IGNORECASE):
             data = response_text
         else:
             raise ApiException(

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

@@ -409,7 +409,7 @@ class ApiClient:
                 data = ""
             else:
                 data = json.loads(response_text)
-        elif re.match(r'^text/plain\s*(;|$)', content_type, re.IGNORECASE):
+        elif re.match(r'^text\/[a-z.+-]+\s*(;|$)', content_type, re.IGNORECASE):
             data = response_text
         else:
             raise ApiException(

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

@@ -225,7 +225,7 @@ class RESTClientObject:
                         headers=headers,
                         preload_content=False
                     )
-                elif headers['Content-Type'] == 'text/plain' and isinstance(body, bool):
+                elif headers['Content-Type'].startswith('text/') and isinstance(body, bool):
                     request_body = "true" if body else "false"
                     r = self.pool_manager.request(
                         method,

samples/openapi3/client/petstore/python/tests/test_deserialization.py

@@ -323,11 +323,17 @@ class DeserializationTests(unittest.TestCase):
         deserialized = self.deserialize(response, "str", 'text/plain')
         self.assertTrue(isinstance(deserialized, str))
 
+        deserialized = self.deserialize(response, "str", 'text/csv')
+        self.assertTrue(isinstance(deserialized, str))
+
         deserialized = self.deserialize(response, "Dict[str, str]", 'APPLICATION/JSON')
         self.assertTrue(isinstance(deserialized, dict))
 
         with self.assertRaises(petstore_api.ApiException) as cm:
-            deserialized = self.deserialize(response, "str", 'text/html')
+            deserialized = self.deserialize(response, "str", 'text')
+
+        with self.assertRaises(petstore_api.ApiException) as cm:
+            deserialized = self.deserialize(response, "str", 'text/n0t-exist!ng')
 
         with self.assertRaises(petstore_api.ApiException) as cm:
             deserialized = self.deserialize(response, "Dict[str, str]", 'application/jsonnnnn')