[python-nextgen] better datetime support in parameters (#14621)

* add allowStringInDateTimeParameters option

* add tests

* add files

* add tests for datetime query parameters

* fix file anme

* trigger build

* fix pytest

* install test requirement

* trigger build

* break build

* add new files

* fix Locale.ROOT

* update doc

samples/client/echo_api/python-nextgen/openapi_client/api/__init__.py

@@ -0,0 +1,10 @@
+from __future__ import absolute_import
+
+# flake8: noqa
+
+# import apis into api package
+from openapi_client.api.body_api import BodyApi
+from openapi_client.api.form_api import FormApi
+from openapi_client.api.header_api import HeaderApi
+from openapi_client.api.path_api import PathApi
+from openapi_client.api.query_api import QueryApi

samples/client/echo_api/python-nextgen/openapi_client/api/body_api.py

@@ -0,0 +1,344 @@
+# coding: utf-8
+
+"""
+    Echo Server API
+
+    Echo Server API  # noqa: E501
+
+    The version of the OpenAPI document: 0.1.0
+    Contact: team@openapitools.org
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import re  # noqa: F401
+
+from pydantic import validate_arguments, ValidationError
+from typing_extensions import Annotated
+
+from pydantic import Field
+
+from typing import Optional
+
+from openapi_client.models.pet import Pet
+
+from openapi_client.api_client import ApiClient
+from openapi_client.exceptions import (  # noqa: F401
+    ApiTypeError,
+    ApiValueError
+)
+
+
+class BodyApi(object):
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    def __init__(self, api_client=None):
+        if api_client is None:
+            api_client = ApiClient.get_default()
+        self.api_client = api_client
+
+    @validate_arguments
+    def test_echo_body_pet(self, pet : Annotated[Optional[Pet], Field(description="Pet object that needs to be added to the store")] = None, **kwargs) -> Pet:  # noqa: E501
+        """Test body parameter(s)  # noqa: E501
+
+        Test body parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_echo_body_pet(pet, async_req=True)
+        >>> result = thread.get()
+
+        :param pet: Pet object that needs to be added to the store
+        :type pet: Pet
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: Pet
+        """
+        kwargs['_return_http_data_only'] = True
+        return self.test_echo_body_pet_with_http_info(pet, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def test_echo_body_pet_with_http_info(self, pet : Annotated[Optional[Pet], Field(description="Pet object that needs to be added to the store")] = None, **kwargs):  # noqa: E501
+        """Test body parameter(s)  # noqa: E501
+
+        Test body parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_echo_body_pet_with_http_info(pet, async_req=True)
+        >>> result = thread.get()
+
+        :param pet: Pet object that needs to be added to the store
+        :type pet: Pet
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :type _return_http_data_only: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_auth: dict, optional
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: tuple(Pet, status_code(int), headers(HTTPHeaderDict))
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'pet'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method test_echo_body_pet" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+
+        # process the form parameters
+        _form_params = []
+        _files = {}
+
+        # process the body parameter
+        _body_params = None
+        if _params['pet']:
+            _body_params = _params['pet']
+
+        # set the HTTP header `Accept`
+        _header_params['Accept'] = self.api_client.select_header_accept(
+            ['application/json'])  # noqa: E501
+
+        # set the HTTP header `Content-Type`
+        _content_types_list = _params.get('_content_type',
+            self.api_client.select_header_content_type(
+                ['application/json']))
+        if _content_types_list:
+                _header_params['Content-Type'] = _content_types_list
+
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {
+            '200': "Pet",
+        }
+
+        return self.api_client.call_api(
+            '/echo/body/Pet', 'POST',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))
+
+    @validate_arguments
+    def test_echo_body_pet_response_string(self, pet : Annotated[Optional[Pet], Field(description="Pet object that needs to be added to the store")] = None, **kwargs) -> str:  # noqa: E501
+        """Test empty response body  # noqa: E501
+
+        Test empty response body  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_echo_body_pet_response_string(pet, async_req=True)
+        >>> result = thread.get()
+
+        :param pet: Pet object that needs to be added to the store
+        :type pet: Pet
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: str
+        """
+        kwargs['_return_http_data_only'] = True
+        return self.test_echo_body_pet_response_string_with_http_info(pet, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def test_echo_body_pet_response_string_with_http_info(self, pet : Annotated[Optional[Pet], Field(description="Pet object that needs to be added to the store")] = None, **kwargs):  # noqa: E501
+        """Test empty response body  # noqa: E501
+
+        Test empty response body  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_echo_body_pet_response_string_with_http_info(pet, async_req=True)
+        >>> result = thread.get()
+
+        :param pet: Pet object that needs to be added to the store
+        :type pet: Pet
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :type _return_http_data_only: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_auth: dict, optional
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: tuple(str, status_code(int), headers(HTTPHeaderDict))
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'pet'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method test_echo_body_pet_response_string" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+
+        # process the form parameters
+        _form_params = []
+        _files = {}
+
+        # process the body parameter
+        _body_params = None
+        if _params['pet']:
+            _body_params = _params['pet']
+
+        # set the HTTP header `Accept`
+        _header_params['Accept'] = self.api_client.select_header_accept(
+            ['text/plain'])  # noqa: E501
+
+        # set the HTTP header `Content-Type`
+        _content_types_list = _params.get('_content_type',
+            self.api_client.select_header_content_type(
+                ['application/json']))
+        if _content_types_list:
+                _header_params['Content-Type'] = _content_types_list
+
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {
+            '200': "str",
+        }
+
+        return self.api_client.call_api(
+            '/echo/body/Pet/response_string', 'POST',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))

samples/client/echo_api/python-nextgen/openapi_client/api/form_api.py

@@ -0,0 +1,207 @@
+# coding: utf-8
+
+"""
+    Echo Server API
+
+    Echo Server API  # noqa: E501
+
+    The version of the OpenAPI document: 0.1.0
+    Contact: team@openapitools.org
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import re  # noqa: F401
+
+from pydantic import validate_arguments, ValidationError
+from typing_extensions import Annotated
+
+from pydantic import StrictBool, StrictInt, StrictStr
+
+from typing import Optional
+
+
+from openapi_client.api_client import ApiClient
+from openapi_client.exceptions import (  # noqa: F401
+    ApiTypeError,
+    ApiValueError
+)
+
+
+class FormApi(object):
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    def __init__(self, api_client=None):
+        if api_client is None:
+            api_client = ApiClient.get_default()
+        self.api_client = api_client
+
+    @validate_arguments
+    def test_form_integer_boolean_string(self, integer_form : Optional[StrictInt] = None, boolean_form : Optional[StrictBool] = None, string_form : Optional[StrictStr] = None, **kwargs) -> str:  # noqa: E501
+        """Test form parameter(s)  # noqa: E501
+
+        Test form parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_form_integer_boolean_string(integer_form, boolean_form, string_form, async_req=True)
+        >>> result = thread.get()
+
+        :param integer_form:
+        :type integer_form: int
+        :param boolean_form:
+        :type boolean_form: bool
+        :param string_form:
+        :type string_form: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: str
+        """
+        kwargs['_return_http_data_only'] = True
+        return self.test_form_integer_boolean_string_with_http_info(integer_form, boolean_form, string_form, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def test_form_integer_boolean_string_with_http_info(self, integer_form : Optional[StrictInt] = None, boolean_form : Optional[StrictBool] = None, string_form : Optional[StrictStr] = None, **kwargs):  # noqa: E501
+        """Test form parameter(s)  # noqa: E501
+
+        Test form parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_form_integer_boolean_string_with_http_info(integer_form, boolean_form, string_form, async_req=True)
+        >>> result = thread.get()
+
+        :param integer_form:
+        :type integer_form: int
+        :param boolean_form:
+        :type boolean_form: bool
+        :param string_form:
+        :type string_form: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :type _return_http_data_only: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_auth: dict, optional
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: tuple(str, status_code(int), headers(HTTPHeaderDict))
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'integer_form',
+            'boolean_form',
+            'string_form'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method test_form_integer_boolean_string" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+
+        # process the form parameters
+        _form_params = []
+        _files = {}
+        if _params['integer_form']:
+            _form_params.append(('integer_form', _params['integer_form']))
+        if _params['boolean_form']:
+            _form_params.append(('boolean_form', _params['boolean_form']))
+        if _params['string_form']:
+            _form_params.append(('string_form', _params['string_form']))
+
+        # process the body parameter
+        _body_params = None
+
+        # set the HTTP header `Accept`
+        _header_params['Accept'] = self.api_client.select_header_accept(
+            ['text/plain'])  # noqa: E501
+
+        # set the HTTP header `Content-Type`
+        _content_types_list = _params.get('_content_type',
+            self.api_client.select_header_content_type(
+                ['application/x-www-form-urlencoded']))
+        if _content_types_list:
+                _header_params['Content-Type'] = _content_types_list
+
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {
+            '200': "str",
+        }
+
+        return self.api_client.call_api(
+            '/form/integer/boolean/string', 'POST',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))

samples/client/echo_api/python-nextgen/openapi_client/api/header_api.py

@@ -0,0 +1,200 @@
+# coding: utf-8
+
+"""
+    Echo Server API
+
+    Echo Server API  # noqa: E501
+
+    The version of the OpenAPI document: 0.1.0
+    Contact: team@openapitools.org
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import re  # noqa: F401
+
+from pydantic import validate_arguments, ValidationError
+from typing_extensions import Annotated
+
+from pydantic import StrictBool, StrictInt, StrictStr
+
+from typing import Optional
+
+
+from openapi_client.api_client import ApiClient
+from openapi_client.exceptions import (  # noqa: F401
+    ApiTypeError,
+    ApiValueError
+)
+
+
+class HeaderApi(object):
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    def __init__(self, api_client=None):
+        if api_client is None:
+            api_client = ApiClient.get_default()
+        self.api_client = api_client
+
+    @validate_arguments
+    def test_header_integer_boolean_string(self, integer_header : Optional[StrictInt] = None, boolean_header : Optional[StrictBool] = None, string_header : Optional[StrictStr] = None, **kwargs) -> str:  # noqa: E501
+        """Test header parameter(s)  # noqa: E501
+
+        Test header parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_header_integer_boolean_string(integer_header, boolean_header, string_header, async_req=True)
+        >>> result = thread.get()
+
+        :param integer_header:
+        :type integer_header: int
+        :param boolean_header:
+        :type boolean_header: bool
+        :param string_header:
+        :type string_header: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: str
+        """
+        kwargs['_return_http_data_only'] = True
+        return self.test_header_integer_boolean_string_with_http_info(integer_header, boolean_header, string_header, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def test_header_integer_boolean_string_with_http_info(self, integer_header : Optional[StrictInt] = None, boolean_header : Optional[StrictBool] = None, string_header : Optional[StrictStr] = None, **kwargs):  # noqa: E501
+        """Test header parameter(s)  # noqa: E501
+
+        Test header parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_header_integer_boolean_string_with_http_info(integer_header, boolean_header, string_header, async_req=True)
+        >>> result = thread.get()
+
+        :param integer_header:
+        :type integer_header: int
+        :param boolean_header:
+        :type boolean_header: bool
+        :param string_header:
+        :type string_header: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :type _return_http_data_only: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_auth: dict, optional
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: tuple(str, status_code(int), headers(HTTPHeaderDict))
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'integer_header',
+            'boolean_header',
+            'string_header'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method test_header_integer_boolean_string" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+        if _params['integer_header']:
+            _header_params['integer_header'] = _params['integer_header']
+        if _params['boolean_header']:
+            _header_params['boolean_header'] = _params['boolean_header']
+        if _params['string_header']:
+            _header_params['string_header'] = _params['string_header']
+
+        # process the form parameters
+        _form_params = []
+        _files = {}
+
+        # process the body parameter
+        _body_params = None
+
+        # set the HTTP header `Accept`
+        _header_params['Accept'] = self.api_client.select_header_accept(
+            ['text/plain'])  # noqa: E501
+
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {
+            '200': "str",
+        }
+
+        return self.api_client.call_api(
+            '/header/integer/boolean/string', 'GET',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))

samples/client/echo_api/python-nextgen/openapi_client/api/path_api.py

@@ -0,0 +1,191 @@
+# coding: utf-8
+
+"""
+    Echo Server API
+
+    Echo Server API  # noqa: E501
+
+    The version of the OpenAPI document: 0.1.0
+    Contact: team@openapitools.org
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import re  # noqa: F401
+
+from pydantic import validate_arguments, ValidationError
+from typing_extensions import Annotated
+
+from pydantic import StrictInt, StrictStr
+
+
+from openapi_client.api_client import ApiClient
+from openapi_client.exceptions import (  # noqa: F401
+    ApiTypeError,
+    ApiValueError
+)
+
+
+class PathApi(object):
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    def __init__(self, api_client=None):
+        if api_client is None:
+            api_client = ApiClient.get_default()
+        self.api_client = api_client
+
+    @validate_arguments
+    def tests_path_string_path_string_integer_path_integer(self, path_string : StrictStr, path_integer : StrictInt, **kwargs) -> str:  # noqa: E501
+        """Test path parameter(s)  # noqa: E501
+
+        Test path parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.tests_path_string_path_string_integer_path_integer(path_string, path_integer, async_req=True)
+        >>> result = thread.get()
+
+        :param path_string: (required)
+        :type path_string: str
+        :param path_integer: (required)
+        :type path_integer: int
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: str
+        """
+        kwargs['_return_http_data_only'] = True
+        return self.tests_path_string_path_string_integer_path_integer_with_http_info(path_string, path_integer, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def tests_path_string_path_string_integer_path_integer_with_http_info(self, path_string : StrictStr, path_integer : StrictInt, **kwargs):  # noqa: E501
+        """Test path parameter(s)  # noqa: E501
+
+        Test path parameter(s)  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.tests_path_string_path_string_integer_path_integer_with_http_info(path_string, path_integer, async_req=True)
+        >>> result = thread.get()
+
+        :param path_string: (required)
+        :type path_string: str
+        :param path_integer: (required)
+        :type path_integer: int
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :type _return_http_data_only: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_auth: dict, optional
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: tuple(str, status_code(int), headers(HTTPHeaderDict))
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'path_string',
+            'path_integer'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method tests_path_string_path_string_integer_path_integer" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+        if _params['path_string']:
+            _path_params['path_string'] = _params['path_string']
+        if _params['path_integer']:
+            _path_params['path_integer'] = _params['path_integer']
+
+        # process the query parameters
+        _query_params = []
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+
+        # process the form parameters
+        _form_params = []
+        _files = {}
+
+        # process the body parameter
+        _body_params = None
+
+        # set the HTTP header `Accept`
+        _header_params['Accept'] = self.api_client.select_header_accept(
+            ['text/plain'])  # noqa: E501
+
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {
+            '200': "str",
+        }
+
+        return self.api_client.call_api(
+            '/path/string/{path_string}/integer/{path_integer}', 'GET',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))