python(pydantic): Use validate_by_name config; populate_by_name will be deprecated (#22931)

* modules

* pydantic bump

* samples

* revert for fastapi generator and apply pydantic constrain everywhere

Author: timonrieger

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

@@ -39,7 +39,7 @@ To be able to use it, you will need these dependencies in your own package that
 * pem >= 19.3.0
 * pycryptodome >= 3.9.0
 {{/hasHttpSignatureMethods}}
-* pydantic >= 2
+* pydantic >= 2.11
 * typing-extensions >= 4.7.1
 
 ## Getting Started

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

@@ -94,7 +94,8 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
 {{/vars}}
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         validate_assignment=True,
         protected_namespaces=(),
     )

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

@@ -51,7 +51,7 @@ tornado = ">=4.2, <5"
 pem = ">= 19.3.0"
 pycryptodome = ">= 3.9.0"
 {{/hasHttpSignatureMethods}}
-pydantic = ">= 2"
+pydantic = ">= 2.11"
 typing-extensions = ">= 4.7.1"
 {{#lazyImports}}
 lazy-imports = ">= 1, < 2"
@@ -79,7 +79,7 @@ dependencies = [
   "pem (>=19.3.0)",
   "pycryptodome (>=3.9.0)",
 {{/hasHttpSignatureMethods}}
-  "pydantic (>=2)",
+  "pydantic (>=2.11)",
   "typing-extensions (>=4.7.1)",
 {{#lazyImports}}
   "lazy-imports (>=1,<2)"

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

@@ -16,7 +16,7 @@ tornado = ">= 4.2, < 5"
 pem >= 19.3.0
 pycryptodome >= 3.9.0
 {{/hasHttpSignatureMethods}}
-pydantic >= 2
+pydantic >= 2.11
 typing-extensions >= 4.7.1
 {{#lazyImports}}
 lazy-imports >= 1, < 2

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

@@ -30,7 +30,7 @@ REQUIRES = [
     "pem >= 19.3.0",
     "pycryptodome >= 3.9.0",
 {{/hasHttpSignatureMethods}}
-    "pydantic >= 2",
+    "pydantic >= 2.11",
     "typing-extensions >= 4.7.1",
 {{#lazyImports}}
     "lazy-imports >= 1, < 2",

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/bird.py

@@ -32,7 +32,8 @@ class Bird(BaseModel):
     __properties: ClassVar[List[str]] = ["size", "color"]
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         validate_assignment=True,
         protected_namespaces=(),
     )

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/category.py

@@ -32,7 +32,8 @@ class Category(BaseModel):
     __properties: ClassVar[List[str]] = ["id", "name"]
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         validate_assignment=True,
         protected_namespaces=(),
     )

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/data_query.py

@@ -35,7 +35,8 @@ class DataQuery(Query):
     __properties: ClassVar[List[str]] = ["id", "outcomes", "suffix", "text", "date"]
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         validate_assignment=True,
         protected_namespaces=(),
     )

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/default_value.py

@@ -50,7 +50,8 @@ def array_string_enum_default_validate_enum(cls, value):
         return value
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         validate_assignment=True,
         protected_namespaces=(),
     )

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/number_properties_only.py

@@ -34,7 +34,8 @@ class NumberPropertiesOnly(BaseModel):
     __properties: ClassVar[List[str]] = ["number", "float", "double"]
 
     model_config = ConfigDict(
-        populate_by_name=True,
+        validate_by_name=True,
+        validate_by_alias=True,
         validate_assignment=True,
         protected_namespaces=(),
     )