Updates pattern handling in python-experimental

Author: spacether

modules/openapi-json-schema-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java

@@ -1485,7 +1485,11 @@ protected Object processTestExampleData(Object value) {
     @Override
     public CodegenModel fromModel(String name, Schema sc) {
         CodegenModel cm = super.fromModel(name, sc);
-
+        if (sc.getPattern() != null) {
+            postProcessPattern(sc.getPattern(), cm.vendorExtensions);
+            String pattern = (String) cm.vendorExtensions.get("x-regex");
+            cm.setPattern(pattern);
+        }
         if (cm.isNullable) {
             cm.setIsNull(true);
             cm.isNullable = false;

samples/openapi3/client/petstore/python/docs/apis/tags/FakeApi.md

@@ -949,8 +949,8 @@ with petstore_api.ApiClient(configuration) as api_client:
         number=32.1,
         _float=3.14,
         double=67.8,
-        string="A",
-        pattern_without_delimiter="Aj",
+        string="a",
+        pattern_without_delimiter="AUR,rZ#UM/?R,Fp^l6$ARjbhJk C>",
         byte='YQ==',
         binary=open('/path/to/file', 'rb'),
         date="1970-01-01",

samples/openapi3/client/petstore/python/petstore_api/model/apple.py

@@ -63,9 +63,6 @@ class origin(
                 class MetaOapg:
                     regex=[{
                         'pattern': r'^[A-Z\s]*$',  # noqa: E501
-                        'flags': (
-                            re.IGNORECASE
-                        )
                     }]
             __annotations__ = {
                 "cultivar": cultivar,

samples/openapi3/client/petstore/python/petstore_api/model/format_test.py

@@ -148,9 +148,6 @@ class string(
                 class MetaOapg:
                     regex=[{
                         'pattern': r'[a-z]',  # noqa: E501
-                        'flags': (
-                            re.IGNORECASE
-                        )
                     }]
             binary = schemas.BinarySchema
             dateTime = schemas.DateTimeSchema
@@ -177,9 +174,6 @@ class pattern_with_digits_and_delimiter(
                 class MetaOapg:
                     regex=[{
                         'pattern': r'^image_\d{1,3}$',  # noqa: E501
-                        'flags': (
-                            re.IGNORECASE
-                        )
                     }]
             noneProp = schemas.NoneSchema
             __annotations__ = {

samples/openapi3/client/petstore/python/petstore_api/paths/fake/post.py

@@ -107,9 +107,6 @@ class string(
                 class MetaOapg:
                     regex=[{
                         'pattern': r'[a-z]',  # noqa: E501
-                        'flags': (
-                            re.IGNORECASE
-                        )
                     }]