union array

.speakeasy/gen.lock

@@ -1,21 +1,22 @@
 lockVersion: 2.0.0
 id: f973dc21-d1bd-4e48-971a-a3918272099b
 management:
-  docChecksum: 3851061474ad0b751f638e537d98fd25
+  docChecksum: 90fcc44f64e17c4c822732af1e41e532
   docVersion: "1"
-  speakeasyVersion: internal
+  speakeasyVersion: 1.219.1
-  generationVersion: 2.275.2
+  generationVersion: 2.286.7
-  releaseVersion: 0.0.1
+  releaseVersion: 0.1.1
-  configChecksum: 5be955b039369e57b218570e7f64d06f
+  configChecksum: 8122f6908a2420616420e157d90ab645
 features:
   python:
-    constsAndDefaults: 0.1.2
+    core: 4.5.1
-    core: 4.5.0
+    getRequestBodies: 2.81.1
-    flattening: 2.81.1
+    globalServerURLs: 2.82.2
-    globalServerURLs: 2.82.1
+    responseFormat: 0.1.0
 generatedFiles:
   - src/shippo/sdkconfiguration.py
   - src/shippo/sdk.py
+  - py.typed
   - pylintrc
   - setup.py
   - src/shippo/__init__.py
@@ -25,11 +26,13 @@ generatedFiles:
   - src/shippo/models/errors/sdkerror.py
   - tests/helpers.py
   - src/shippo/models/operations/example.py
+  - src/shippo/models/components/examplewithoneofarray.py
   - src/shippo/models/__init__.py
   - src/shippo/models/errors/__init__.py
   - src/shippo/models/operations/__init__.py
-  - docs/models/operations/examplerequest.md
+  - src/shippo/models/components/__init__.py
   - docs/models/operations/exampleresponse.md
+  - docs/models/components/examplewithoneofarray.md
   - docs/sdks/shippo/README.md
   - USAGE.md
   - .gitattributes

.speakeasy/gen.yaml

@@ -12,7 +12,7 @@ generation:
   auth:
     oAuth2ClientCredentialsEnabled: false
 python:
-  version: 0.0.1
+  version: 0.1.1
   additionalDependencies:
     dependencies: {}
     extraDependencies:
@@ -33,3 +33,4 @@ python:
   maxMethodParams: 4
   outputModelSuffix: output
   packageName: shippo-api-client
+  responseFormat: envelope

README.md

@@ -31,15 +31,22 @@ pip install git+<UNSET>.git
 
 ```python
 import shippo
+from shippo.models import components
 
 s = shippo.Shippo()
 
+req = components.ExampleWithOneOfArray(
+    one_of_array=[
+        904965,
+    ],
+)
 
-res = s.example(results_per_page=904965)
+res = s.example(req)
 
-if res.status_code == 200:
+if res is not None:
     # handle response
     pass
+
 ```
 <!-- End SDK Example Usage [usage] -->
 
@@ -64,21 +71,27 @@ Handling errors in this SDK should largely match your expectations.  All operati
 
 ```python
 import shippo
-from shippo.models import errors
+from shippo.models import components, errors
 
 s = shippo.Shippo()
 
+req = components.ExampleWithOneOfArray(
+    one_of_array=[
+        904965,
+    ],
+)
 
 res = None
 try:
-    res = s.example(results_per_page=904965)
+    res = s.example(req)
 except errors.SDKError as e:
     # handle exception
     raise(e)
 
-if res.status_code == 200:
+if res is not None:
     # handle response
     pass
+
 ```
 <!-- End Error Handling [errors] -->
 
@@ -97,17 +110,24 @@ You can override the default server globally by passing a server index to the `s
 
 ```python
 import shippo
+from shippo.models import components
 
 s = shippo.Shippo(
     server_idx=0,
 )
 
+req = components.ExampleWithOneOfArray(
+    one_of_array=[
+        904965,
+    ],
+)
 
-res = s.example(results_per_page=904965)
+res = s.example(req)
 
-if res.status_code == 200:
+if res is not None:
     # handle response
     pass
+
 ```
 
 
@@ -116,17 +136,24 @@ if res.status_code == 200:
 The default server can also be overridden globally by passing a URL to the `server_url: str` optional parameter when initializing the SDK client instance. For example:
 ```python
 import shippo
+from shippo.models import components
 
 s = shippo.Shippo(
     server_url="https://example.com",
 )
 
+req = components.ExampleWithOneOfArray(
+    one_of_array=[
+        904965,
+    ],
+)
 
-res = s.example(results_per_page=904965)
+res = s.example(req)
 
-if res.status_code == 200:
+if res is not None:
     # handle response
     pass
+
 ```
 <!-- End Server Selection [server] -->
 

USAGE.md

@@ -1,14 +1,21 @@
 <!-- Start SDK Example Usage [usage] -->
 ```python
 import shippo
+from shippo.models import components
 
 s = shippo.Shippo()
 
+req = components.ExampleWithOneOfArray(
+    one_of_array=[
+        904965,
+    ],
+)
 
-res = s.example(results_per_page=904965)
+res = s.example(req)
 
-if res.status_code == 200:
+if res is not None:
     # handle response
     pass
+
 ```
 <!-- End SDK Example Usage [usage] -->

docs/models/components/examplewithoneofarray.md

@@ -0,0 +1,8 @@
+# ExampleWithOneOfArray
+
+
+## Fields
+
+| Field              | Type               | Required           | Description        |
+| ------------------ | ------------------ | ------------------ | ------------------ |
+| `one_of_array`     | List[*int*]        | :heavy_check_mark: | N/A                |

docs/models/operations/examplerequest.md

@@ -1,8 +0,0 @@
-# ExampleRequest
-
-
-## Fields
-
-| Field                                              | Type                                               | Required                                           | Description                                        |
-| -------------------------------------------------- | -------------------------------------------------- | -------------------------------------------------- | -------------------------------------------------- |
-| `results_per_page`                                 | *Optional[int]*                                    | :heavy_minus_sign:                                 | The number of results to return per page (max 100) |

docs/sdks/shippo/README.md

@@ -13,22 +13,29 @@
 
 ```python
 import shippo
+from shippo.models import components
 
 s = shippo.Shippo()
 
+req = components.ExampleWithOneOfArray(
+    one_of_array=[
+        904965,
+    ],
+)
 
-res = s.example(results_per_page=904965)
+res = s.example(req)
 
-if res.status_code == 200:
+if res is not None:
     # handle response
     pass
+
 ```
 
 ### Parameters
 
 | Parameter                                                                            | Type                                                                                 | Required                                                                             | Description                                                                          |
-| -------------------------------------------------- | -------------------------------------------------- | -------------------------------------------------- | -------------------------------------------------- |
+| ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ |
-| `results_per_page`                                 | *Optional[int]*                                    | :heavy_minus_sign:                                 | The number of results to return per page (max 100) |
+| `request`                                                                            | [components.ExampleWithOneOfArray](../../models/components/examplewithoneofarray.md) | :heavy_check_mark:                                                                   | The request object to use for the request.                                           |
 
 
 ### Response

openapi.yaml

@@ -10,20 +10,27 @@ paths:
   "/example":
     get:
       operationId: Example
-      parameters:
+      requestBody:
-        - $ref: "#/components/parameters/ResultsPerPageQueryParam"
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ExampleWithOneOfArray'
       responses:
         '200':
           description: example
 components:
-  parameters:
-    ResultsPerPageQueryParam:
-      description: The number of results to return per page (max 100)
-      in: query
-      name: results_per_page
-      schema:
-        type: integer
-        format: int64
-        maximum: 100
-        default: 25
   responses: {}
+  schemas:
+    ExampleWithOneOfArray:
+      type: object
+      properties:
+        one_of_array:
+          oneOf:
+            - type: array
+              items:
+                type: integer
+            - type: array
+              items:
+                type: string
+      required:
+        - one_of_array

py.typed

@@ -0,0 +1 @@
+# Marker file for PEP 561. The package enables type hints.

setup.py

@@ -10,7 +10,7 @@ except FileNotFoundError:
 
 setuptools.setup(
     name="shippo-api-client",
-    version="0.0.1",
+    version="0.1.1",
     author="Speakeasy",
     description="Python Client SDK Generated by Speakeasy",
     long_description=long_description,

src/shippo/_hooks/__init__.py

@@ -2,3 +2,4 @@
 
 from .sdkhooks import *
 from .types import *
+from .registration import *

src/shippo/_hooks/registration.py

@@ -0,0 +1,13 @@
+from .types import Hooks
+
+
+# This file is only ever generated once on the first generation and then is free to be modified.
+# Any hooks you wish to add should be registered in the init_hooks function. Feel free to define them
+# in this file or in separate files in the hooks folder.
+
+
+def init_hooks(hooks: Hooks):
+    # pylint: disable=unused-argument
+    """Add hooks by calling hooks.register{sdk_init/before_request/after_success/after_error}Hook 
+    with an instance of a hook that implements that specific Hook interface
+    Hooks are registered per SDK instance, and are valid for the lifetime of the SDK instance"""

src/shippo/_hooks/sdkhooks.py

@@ -2,17 +2,17 @@
 
 import requests
 from .types import SDKInitHook, BeforeRequestContext, BeforeRequestHook, AfterSuccessContext, AfterSuccessHook, AfterErrorContext, AfterErrorHook, Hooks
+from .registration import init_hooks
 from typing import List, Optional, Tuple, Union
 
 
 class SDKHooks(Hooks):
-    sdk_init_hooks: List[SDKInitHook] = []
-    before_request_hooks: List[BeforeRequestHook] = []
-    after_success_hooks: List[AfterSuccessHook] = []
-    after_error_hooks: List[AfterErrorHook] = []
-
     def __init__(self):
-        pass
+        self.sdk_init_hooks: List[SDKInitHook] = []
+        self.before_request_hooks: List[BeforeRequestHook] = []
+        self.after_success_hooks: List[AfterSuccessHook] = []
+        self.after_error_hooks: List[AfterErrorHook] = []
+        init_hooks(self)
 
     def register_sdk_init_hook(self, hook: SDKInitHook) -> None:
         self.sdk_init_hooks.append(hook)

src/shippo/models/components/__init__.py

@@ -0,0 +1,5 @@
+"""Code generated by Speakeasy (https://speakeasyapi.dev). DO NOT EDIT."""
+
+from .examplewithoneofarray import *
+
+__all__ = ["ExampleWithOneOfArray"]

src/shippo/models/components/examplewithoneofarray.py

@@ -0,0 +1,15 @@
+"""Code generated by Speakeasy (https://speakeasyapi.dev). DO NOT EDIT."""
+
+from __future__ import annotations
+import dataclasses
+from dataclasses_json import Undefined, dataclass_json
+from shippo import utils
+from typing import List
+
+
+@dataclass_json(undefined=Undefined.EXCLUDE)
+@dataclasses.dataclass
+class ExampleWithOneOfArray:
+    one_of_array: List[int] = dataclasses.field(metadata={'dataclasses_json': { 'letter_case': utils.get_field_name('one_of_array') }})
+    
+

src/shippo/models/operations/__init__.py

@@ -2,4 +2,4 @@
 
 from .example import *
 
-__all__ = ["ExampleRequest","ExampleResponse"]
+__all__ = ["ExampleResponse"]

src/shippo/models/operations/example.py

@@ -3,15 +3,6 @@
 from __future__ import annotations
 import dataclasses
 import requests as requests_http
-from typing import Optional
-
-
-@dataclasses.dataclass
-class ExampleRequest:
-    results_per_page: Optional[int] = dataclasses.field(default=25, metadata={'query_param': { 'field_name': 'results_per_page', 'style': 'form', 'explode': True }})
-    r"""The number of results to return per page (max 100)"""
-    
-
 
 
 @dataclasses.dataclass

src/shippo/sdk.py

@@ -4,7 +4,7 @@ import requests as requests_http
 from .sdkconfiguration import SDKConfiguration
 from shippo import utils
 from shippo._hooks import HookContext, SDKHooks
-from shippo.models import errors, operations
+from shippo.models import components, errors, operations
 from typing import Dict, Optional
 
 class Shippo:
@@ -12,11 +12,11 @@ class Shippo:
     sdk_configuration: SDKConfiguration
 
     def __init__(self,
-                 server_idx: int = None,
+                 server_idx: Optional[int] = None,
-                 server_url: str = None,
+                 server_url: Optional[str] = None,
-                 url_params: Dict[str, str] = None,
+                 url_params: Optional[Dict[str, str]] = None,
-                 client: requests_http.Session = None,
+                 client: Optional[requests_http.Session] = None,
-                 retry_config: utils.RetryConfig = None
+                 retry_config: Optional[utils.RetryConfig] = None
                  ) -> None:
         """Instantiates the SDK configuring it with the provided parameters.
 
@@ -38,7 +38,12 @@ class Shippo:
             if url_params is not None:
                 server_url = utils.template_url(server_url, url_params)
 
-        self.sdk_configuration = SDKConfiguration(client, None, server_url, server_idx, retry_config=retry_config)
+        self.sdk_configuration = SDKConfiguration(
+            client,
+            server_url,
+            server_idx,
+            retry_config=retry_config
+        )
 
         hooks = SDKHooks()
 
@@ -51,31 +56,25 @@ class Shippo:
         self.sdk_configuration._hooks = hooks
 
 
-    
+    def example(self, request: Optional[components.ExampleWithOneOfArray]) -> operations.ExampleResponse:
-    
-    
-    
-    def example(self, results_per_page: Optional[int] = None) -> operations.ExampleResponse:
         hook_ctx = HookContext(operation_id='Example', oauth2_scopes=[], security_source=None)
-        request = operations.ExampleRequest(
-            results_per_page=results_per_page,
-        )
-        
         base_url = utils.template_url(*self.sdk_configuration.get_server_details())
         
         url = base_url + '/example'
+        
         headers = {}
-        query_params = utils.get_query_params(operations.ExampleRequest, request)
+        
+        req_content_type, data, form = utils.serialize_request_body(request, Optional[components.ExampleWithOneOfArray], "request", False, True, 'json')
+        if req_content_type is not None and req_content_type not in ('multipart/form-data', 'multipart/mixed'):
+            headers['content-type'] = req_content_type
         headers['Accept'] = '*/*'
         headers['user-agent'] = self.sdk_configuration.user_agent
-        
         client = self.sdk_configuration.client
         
-        
         try:
             req = self.sdk_configuration.get_hooks().before_request(
                 hook_ctx, 
-                requests_http.Request('GET', url, params=query_params, headers=headers).prepare(),
+                requests_http.Request('GET', url, data=data, files=form, headers=headers).prepare(),
             )
             http_res = client.send(req)
         except Exception as e:
@@ -92,15 +91,15 @@ class Shippo:
                 raise result
             http_res = result
         
-        content_type = http_res.headers.get('Content-Type')
         
-        res = operations.ExampleResponse(status_code=http_res.status_code, content_type=content_type, raw_response=http_res)
+        res = operations.ExampleResponse(status_code=http_res.status_code, content_type=http_res.headers.get('Content-Type'), raw_response=http_res)
         
         if http_res.status_code == 200:
             pass
         elif http_res.status_code >= 400 and http_res.status_code < 500 or http_res.status_code >= 500 and http_res.status_code < 600:
             raise errors.SDKError('API error occurred', http_res.status_code, http_res.text, http_res)
+        else:
+            raise errors.SDKError('unknown status code received', http_res.status_code, http_res.text, http_res)
 
         return res
 
-    

src/shippo/sdkconfiguration.py

@@ -21,9 +21,9 @@ class SDKConfiguration:
     server_idx: int = 0
     language: str = 'python'
     openapi_doc_version: str = '1'
-    sdk_version: str = '0.0.1'
+    sdk_version: str = '0.1.1'
-    gen_version: str = '2.275.2'
+    gen_version: str = '2.286.7'
-    user_agent: str = 'speakeasy-sdk/python 0.0.1 2.275.2 1 shippo-api-client'
+    user_agent: str = 'speakeasy-sdk/python 0.1.1 2.286.7 1 shippo-api-client'
     retry_config: RetryConfig = None
     _hooks: SDKHooks = None
 

src/shippo/utils/utils.py

@@ -4,7 +4,7 @@ import base64
 import json
 import re
 import sys
-from dataclasses import Field, dataclass, fields, is_dataclass, make_dataclass
+from dataclasses import Field, fields, is_dataclass, make_dataclass
 from datetime import date, datetime
 from decimal import Decimal
 from email.message import Message
@@ -14,30 +14,15 @@ from typing import (Any, Callable, Dict, List, Optional, Tuple, Union,
 from xmlrpc.client import boolean
 from typing_inspect import is_optional_type
 import dateutil.parser
-import requests
 from dataclasses_json import DataClassJsonMixin
 
 
-class SecurityClient:
+def get_security(security: Any) -> Tuple[Dict[str, str], Dict[str, str]]:
-    client: requests.Session
-    query_params: Dict[str, str] = {}
     headers: Dict[str, str] = {}
-
+    query_params: Dict[str, str] = {}
-    def __init__(self, client: requests.Session):
-        self.client = client
-
-    def send(self, request: requests.PreparedRequest, **kwargs):
-        request.prepare_url(url=request.url, params=self.query_params)
-        request.headers.update(self.headers)
-
-        return self.client.send(request, **kwargs)
-
-
-def configure_security_client(client: requests.Session, security: dataclass):
-    client = SecurityClient(client)
 
     if security is None:
-        return client
+        return headers, query_params
 
     sec_fields: Tuple[Field, ...] = fields(security)
     for sec_field in sec_fields:
@@ -49,35 +34,35 @@ def configure_security_client(client: requests.Session, security: dataclass):
         if metadata is None:
             continue
         if metadata.get('option'):
-            _parse_security_option(client, value)
+            _parse_security_option(headers, query_params, value)
-            return client
+            return headers, query_params
         if metadata.get('scheme'):
             # Special case for basic auth which could be a flattened struct
             if metadata.get("sub_type") == "basic" and not is_dataclass(value):
-                _parse_security_scheme(client, metadata, security)
+                _parse_security_scheme(headers, query_params, metadata, security)
             else:
-                _parse_security_scheme(client, metadata, value)
+                _parse_security_scheme(headers, query_params, metadata, value)
 
-    return client
+    return headers, query_params
 
 
-def _parse_security_option(client: SecurityClient, option: dataclass):
+def _parse_security_option(headers: Dict[str, str], query_params: Dict[str, str], option: Any):
     opt_fields: Tuple[Field, ...] = fields(option)
     for opt_field in opt_fields:
         metadata = opt_field.metadata.get('security')
         if metadata is None or metadata.get('scheme') is None:
             continue
         _parse_security_scheme(
-            client, metadata, getattr(option, opt_field.name))
+            headers, query_params, metadata, getattr(option, opt_field.name))
 
 
-def _parse_security_scheme(client: SecurityClient, scheme_metadata: Dict, scheme: any):
+def _parse_security_scheme(headers: Dict[str, str], query_params: Dict[str, str], scheme_metadata: Dict, scheme: Any):
     scheme_type = scheme_metadata.get('type')
     sub_type = scheme_metadata.get('sub_type')
 
     if is_dataclass(scheme):
         if scheme_type == 'http' and sub_type == 'basic':
-            _parse_basic_auth_scheme(client, scheme)
+            _parse_basic_auth_scheme(headers, scheme)
             return
 
         scheme_fields: Tuple[Field, ...] = fields(scheme)
@@ -89,33 +74,33 @@ def _parse_security_scheme(client: SecurityClient, scheme_metadata: Dict, scheme
             value = getattr(scheme, scheme_field.name)
 
             _parse_security_scheme_value(
-                client, scheme_metadata, metadata, value)
+                headers, query_params, scheme_metadata, metadata, value)
     else:
         _parse_security_scheme_value(
-            client, scheme_metadata, scheme_metadata, scheme)
+            headers, query_params, scheme_metadata, scheme_metadata, scheme)
 
 
-def _parse_security_scheme_value(client: SecurityClient, scheme_metadata: Dict, security_metadata: Dict, value: any):
+def _parse_security_scheme_value(headers: Dict[str, str], query_params: Dict[str, str], scheme_metadata: Dict, security_metadata: Dict, value: Any):
     scheme_type = scheme_metadata.get('type')
     sub_type = scheme_metadata.get('sub_type')
 
-    header_name = security_metadata.get('field_name')
+    header_name = str(security_metadata.get('field_name'))
 
     if scheme_type == "apiKey":
         if sub_type == 'header':
-            client.headers[header_name] = value
+            headers[header_name] = value
         elif sub_type == 'query':
-            client.query_params[header_name] = value
+            query_params[header_name] = value
         else:
             raise Exception('not supported')
     elif scheme_type == "openIdConnect":
-        client.headers[header_name] = _apply_bearer(value)
+        headers[header_name] = _apply_bearer(value)
     elif scheme_type == 'oauth2':
         if sub_type != 'client_credentials':
-            client.headers[header_name] = _apply_bearer(value)
+            headers[header_name] = _apply_bearer(value)
     elif scheme_type == 'http':
         if sub_type == 'bearer':
-            client.headers[header_name] = _apply_bearer(value)
+            headers[header_name] = _apply_bearer(value)
         else:
             raise Exception('not supported')
     else:
@@ -126,7 +111,7 @@ def _apply_bearer(token: str) -> str:
     return token.lower().startswith('bearer ') and token or f'Bearer {token}'
 
 
-def _parse_basic_auth_scheme(client: SecurityClient, scheme: dataclass):
+def _parse_basic_auth_scheme(headers: Dict[str, str], scheme: Any):
     username = ""
     password = ""
 
@@ -145,11 +130,11 @@ def _parse_basic_auth_scheme(client: SecurityClient, scheme: dataclass):
             password = value
 
     data = f'{username}:{password}'.encode()
-    client.headers['Authorization'] = f'Basic {base64.b64encode(data).decode()}'
+    headers['Authorization'] = f'Basic {base64.b64encode(data).decode()}'
 
 
-def generate_url(clazz: type, server_url: str, path: str, path_params: dataclass,
+def generate_url(clazz: type, server_url: str, path: str, path_params: Any,
-                 gbls: Dict[str, Dict[str, Dict[str, Any]]] = None) -> str:
+                 gbls: Optional[Dict[str, Dict[str, Dict[str, Any]]]] = None) -> str:
     path_param_fields: Tuple[Field, ...] = fields(clazz)
     for field in path_param_fields:
         request_metadata = field.metadata.get('request')
@@ -241,7 +226,7 @@ def template_url(url_with_params: str, params: Dict[str, str]) -> str:
     return url_with_params
 
 
-def get_query_params(clazz: type, query_params: dataclass, gbls: Dict[str, Dict[str, Dict[str, Any]]] = None) -> Dict[
+def get_query_params(clazz: type, query_params: Any, gbls: Optional[Dict[str, Dict[str, Dict[str, Any]]]] = None) -> Dict[
         str, List[str]]:
     params: Dict[str, List[str]] = {}
 
@@ -287,7 +272,7 @@ def get_query_params(clazz: type, query_params: dataclass, gbls: Dict[str, Dict[
     return params
 
 
-def get_headers(headers_params: dataclass) -> Dict[str, str]:
+def get_headers(headers_params: Any) -> Dict[str, str]:
     if headers_params is None:
         return {}
 
@@ -308,7 +293,7 @@ def get_headers(headers_params: dataclass) -> Dict[str, str]:
     return headers
 
 
-def _get_serialized_params(metadata: Dict, field_type: type, field_name: str, obj: any) -> Dict[str, str]:
+def _get_serialized_params(metadata: Dict, field_type: type, field_name: str, obj: Any) -> Dict[str, str]:
     params: Dict[str, str] = {}
 
     serialization = metadata.get('serialization', '')
@@ -319,7 +304,7 @@ def _get_serialized_params(metadata: Dict, field_type: type, field_name: str, ob
     return params
 
 
-def _get_deep_object_query_params(metadata: Dict, field_name: str, obj: any) -> Dict[str, List[str]]:
+def _get_deep_object_query_params(metadata: Dict, field_name: str, obj: Any) -> Dict[str, List[str]]:
     params: Dict[str, List[str]] = {}
 
     if obj is None:
@@ -385,7 +370,7 @@ def _get_query_param_field_name(obj_field: Field) -> str:
     return obj_param_metadata.get("field_name", obj_field.name)
 
 
-def _get_delimited_query_params(metadata: Dict, field_name: str, obj: any, delimiter: str) -> Dict[
+def _get_delimited_query_params(metadata: Dict, field_name: str, obj: Any, delimiter: str) -> Dict[
         str, List[str]]:
     return _populate_form(field_name, metadata.get("explode", True), obj, _get_query_param_field_name, delimiter)
 
@@ -399,8 +384,8 @@ SERIALIZATION_METHOD_TO_CONTENT_TYPE = {
 }
 
 
-def serialize_request_body(request: dataclass, request_type: type, request_field_name: str, nullable: bool, optional: bool, serialization_method: str, encoder=None) -> Tuple[
+def serialize_request_body(request: Any, request_type: type, request_field_name: str, nullable: bool, optional: bool, serialization_method: str, encoder=None) -> Tuple[
-        str, any, any]:
+        Optional[str], Optional[Any], Optional[Any]]:
     if request is None:
         if not nullable and optional:
             return None, None, None
@@ -430,7 +415,7 @@ def serialize_request_body(request: dataclass, request_type: type, request_field
                                   request_val)
 
 
-def serialize_content_type(field_name: str, request_type: any, media_type: str, request: dataclass, encoder=None) -> Tuple[str, any, List[List[any]]]:
+def serialize_content_type(field_name: str, request_type: Any, media_type: str, request: Any, encoder=None) -> Tuple[Optional[str], Optional[Any], Optional[List[List[Any]]]]:
     if re.match(r'(application|text)\/.*?\+*json.*', media_type) is not None:
         return media_type, marshal_json(request, request_type, encoder), None
     if re.match(r'multipart\/.*', media_type) is not None:
@@ -446,8 +431,8 @@ def serialize_content_type(field_name: str, request_type: any, media_type: str,
         f"invalid request body type {type(request)} for mediaType {media_type}")
 
 
-def serialize_multipart_form(media_type: str, request: dataclass) -> Tuple[str, any, List[List[any]]]:
+def serialize_multipart_form(media_type: str, request: Any) -> Tuple[str, Any, List[List[Any]]]:
-    form: List[List[any]] = []
+    form: List[List[Any]] = []
     request_fields = fields(request)
 
     for field in request_fields:
@@ -502,7 +487,7 @@ def serialize_multipart_form(media_type: str, request: dataclass) -> Tuple[str,
 def serialize_dict(original: Dict, explode: bool, field_name, existing: Optional[Dict[str, List[str]]]) -> Dict[
         str, List[str]]:
     if existing is None:
-        existing = []
+        existing = {}
 
     if explode is True:
         for key, val in original.items():
@@ -520,7 +505,7 @@ def serialize_dict(original: Dict, explode: bool, field_name, existing: Optional
     return existing
 
 
-def serialize_form_data(field_name: str, data: dataclass) -> Dict[str, any]:
+def serialize_form_data(field_name: str, data: Any) -> Dict[str, Any]:
     form: Dict[str, List[str]] = {}
 
     if is_dataclass(data):
@@ -562,7 +547,7 @@ def _get_form_field_name(obj_field: Field) -> str:
     return obj_param_metadata.get("field_name", obj_field.name)
 
 
-def _populate_form(field_name: str, explode: boolean, obj: any, get_field_name_func: Callable, delimiter: str) -> \
+def _populate_form(field_name: str, explode: boolean, obj: Any, get_field_name_func: Callable, delimiter: str) -> \
         Dict[str, List[str]]:
     params: Dict[str, List[str]] = {}
 
@@ -597,7 +582,7 @@ def _populate_form(field_name: str, explode: boolean, obj: any, get_field_name_f
                 continue
 
             if explode:
-                params[key] = _val_to_string(value)
+                params[key] = [_val_to_string(value)]
             else:
                 items.append(f'{key}{delimiter}{_val_to_string(value)}')
 
@@ -626,7 +611,7 @@ def _populate_form(field_name: str, explode: boolean, obj: any, get_field_name_f
     return params
 
 
-def _serialize_header(explode: bool, obj: any) -> str:
+def _serialize_header(explode: bool, obj: Any) -> str:
     if obj is None:
         return ''
 
@@ -850,7 +835,7 @@ def list_decoder(value_decoder: Callable):
 
 
 def union_encoder(all_encoders: Dict[str, Callable]):
-    def selective_encoder(val: any):
+    def selective_encoder(val: Any):
         if type(val) in all_encoders:
             return all_encoders[type(val)](val)
         return val
@@ -858,7 +843,7 @@ def union_encoder(all_encoders: Dict[str, Callable]):
 
 
 def union_decoder(all_decoders: List[Callable]):
-    def selective_decoder(val: any):
+    def selective_decoder(val: Any):
         decoded = val
         for decoder in all_decoders:
             try:
@@ -877,18 +862,18 @@ def get_field_name(name):
     return override
 
 
-def _val_to_string(val):
+def _val_to_string(val) -> str:
     if isinstance(val, bool):
         return str(val).lower()
     if isinstance(val, datetime):
-        return val.isoformat().replace('+00:00', 'Z')
+        return str(val.isoformat().replace('+00:00', 'Z'))
     if isinstance(val, Enum):
         return str(val.value)
 
     return str(val)
 
 
-def _populate_from_globals(param_name: str, value: any, param_type: str, gbls: Dict[str, Dict[str, Dict[str, Any]]]):
+def _populate_from_globals(param_name: str, value: Any, param_type: str, gbls: Optional[Dict[str, Dict[str, Dict[str, Any]]]]):
     if value is None and gbls is not None:
         if 'parameters' in gbls:
             if param_type in gbls['parameters']: