OpenAPITools · spacether · Jan 5, 2022 · Jan 4, 2021
diff --git a/bin/configs/python-experimental.yaml b/bin/configs/python-experimental.yaml
@@ -0,0 +1,8 @@
+generatorName: python-experimental
+outputDir: samples/openapi3/client/petstore/python-experimental
+inputSpec: modules/openapi-generator/src/test/resources/3_0/python-experimental/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
+templateDir: modules/openapi-generator/src/main/resources/python-experimental
+templatingEngineName: handlebars
+additionalProperties:
+  packageName: petstore_api
+  recursionLimit: "1234"
diff --git a/docs/generators.md b/docs/generators.md
@@ -54,6 +54,7 @@ The following generators are available:
 * [php-dt (beta)](generators/php-dt.md)  
 * [powershell (beta)](generators/powershell.md)  
 * [python (experimental)](generators/python.md)  
+* [python-experimental (experimental)](generators/python-experimental.md)  
 * [python-legacy](generators/python-legacy.md)  
 * [r](generators/r.md)  
 * [ruby](generators/ruby.md)  

diff --git a/docs/generators/python-experimental.md b/docs/generators/python-experimental.md
@@ -0,0 +1,221 @@
+---
+title: Config Options for python-experimental
+sidebar_label: python-experimental
+---
+
+These options may be applied as additional-properties (cli) or configOptions (plugins). Refer to [configuration docs](https://openapi-generator.tech/docs/configuration) for more details.
+
+| Option | Description | Values | Default |
+| ------ | ----------- | ------ | ------- |
+|generateSourceCodeOnly|Specifies that only a library source code is to be generated.| |false|
+|hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|
+|library|library template (sub-template) to use: asyncio, tornado, urllib3| |urllib3|
+|packageName|python package name (convention: snake_case).| |openapi_client|
+|packageUrl|python package URL.| |null|
+|packageVersion|python package version.| |1.0.0|
+|projectName|python project name in setup.py (e.g. petstore-api).| |null|
+|recursionLimit|Set the recursion limit. If not set, use the system default value.| |null|
+|useNose|use the nose test framework| |false|
+
+## IMPORT MAPPING
+
+| Type/Alias | Imports |
+| ---------- | ------- |
+
+
+## INSTANTIATION TYPES
+
+| Type/Alias | Instantiated By |
+| ---------- | --------------- |
+|map|dict|
+
+
+## LANGUAGE PRIMITIVES
+
+<ul class="column-ul">
+<li>bool</li>
+<li>bytes</li>
+<li>date</li>
+<li>datetime</li>
+<li>dict</li>
+<li>file</li>
+<li>file_type</li>
+<li>float</li>
+<li>int</li>
+<li>list</li>
+<li>none_type</li>
+<li>object</li>
+<li>str</li>
+</ul>
+
+## RESERVED WORDS
+
+<ul class="column-ul">
+<li>all_params</li>
+<li>and</li>
+<li>as</li>
+<li>assert</li>
+<li>async</li>
+<li>auth_settings</li>
+<li>await</li>
+<li>body_params</li>
+<li>bool</li>
+<li>break</li>
+<li>class</li>
+<li>continue</li>
+<li>def</li>
+<li>del</li>
+<li>dict</li>
+<li>elif</li>
+<li>else</li>
+<li>except</li>
+<li>exec</li>
+<li>false</li>
+<li>file_type</li>
+<li>finally</li>
+<li>float</li>
+<li>for</li>
+<li>form_params</li>
+<li>from</li>
+<li>frozendict</li>
+<li>global</li>
+<li>header_params</li>
+<li>if</li>
+<li>import</li>
+<li>in</li>
+<li>int</li>
+<li>is</li>
+<li>lambda</li>
+<li>list</li>
+<li>local_var_files</li>
+<li>none</li>
+<li>none_type</li>
+<li>nonlocal</li>
+<li>not</li>
+<li>or</li>
+<li>pass</li>
+<li>path_params</li>
+<li>print</li>
+<li>property</li>
+<li>query_params</li>
+<li>raise</li>
+<li>resource_path</li>
+<li>return</li>
+<li>self</li>
+<li>str</li>
+<li>true</li>
+<li>try</li>
+<li>tuple</li>
+<li>while</li>
+<li>with</li>
+<li>yield</li>
+</ul>
+
+## FEATURE SET
+
+
+### Client Modification Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|BasePath|✗|ToolingExtension
+|Authorizations|✗|ToolingExtension
+|UserAgent|✗|ToolingExtension
+|MockServer|✗|ToolingExtension
+
+### Data Type Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|Custom|✗|OAS2,OAS3
+|Int32|✓|OAS2,OAS3
+|Int64|✓|OAS2,OAS3
+|Float|✓|OAS2,OAS3
+|Double|✓|OAS2,OAS3
+|Decimal|✓|ToolingExtension
+|String|✓|OAS2,OAS3
+|Byte|✓|OAS2,OAS3
+|Binary|✓|OAS2,OAS3
+|Boolean|✓|OAS2,OAS3
+|Date|✓|OAS2,OAS3
+|DateTime|✓|OAS2,OAS3
+|Password|✓|OAS2,OAS3
+|File|✓|OAS2
+|Array|✓|OAS2,OAS3
+|Maps|✓|ToolingExtension
+|CollectionFormat|✓|OAS2
+|CollectionFormatMulti|✓|OAS2
+|Enum|✓|OAS2,OAS3
+|ArrayOfEnum|✓|ToolingExtension
+|ArrayOfModel|✓|ToolingExtension
+|ArrayOfCollectionOfPrimitives|✓|ToolingExtension
+|ArrayOfCollectionOfModel|✓|ToolingExtension
+|ArrayOfCollectionOfEnum|✓|ToolingExtension
+|MapOfEnum|✓|ToolingExtension
+|MapOfModel|✓|ToolingExtension
+|MapOfCollectionOfPrimitives|✓|ToolingExtension
+|MapOfCollectionOfModel|✓|ToolingExtension
+|MapOfCollectionOfEnum|✓|ToolingExtension
+
+### Documentation Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|Readme|✓|ToolingExtension
+|Model|✓|ToolingExtension
+|Api|✓|ToolingExtension
+
+### Global Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|Host|✓|OAS2,OAS3
+|BasePath|✓|OAS2,OAS3
+|Info|✓|OAS2,OAS3
+|Schemes|✗|OAS2,OAS3
+|PartialSchemes|✓|OAS2,OAS3
+|Consumes|✓|OAS2
+|Produces|✓|OAS2
+|ExternalDocumentation|✓|OAS2,OAS3
+|Examples|✓|OAS2,OAS3
+|XMLStructureDefinitions|✗|OAS2,OAS3
+|MultiServer|✗|OAS3
+|ParameterizedServer|✓|OAS3
+|ParameterStyling|✓|OAS3
+|Callbacks|✗|OAS3
+|LinkObjects|✗|OAS3
+
+### Parameter Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|Path|✓|OAS2,OAS3
+|Query|✓|OAS2,OAS3
+|Header|✓|OAS2,OAS3
+|Body|✓|OAS2
+|FormUnencoded|✓|OAS2
+|FormMultipart|✓|OAS2
+|Cookie|✗|OAS3
+
+### Schema Support Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|Simple|✓|OAS2,OAS3
+|Composite|✓|OAS2,OAS3
+|Polymorphism|✓|OAS2,OAS3
+|Union|✓|OAS3
+
+### Security Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|BasicAuth|✓|OAS2,OAS3
+|ApiKey|✓|OAS2,OAS3
+|OpenIDConnect|✗|OAS3
+|BearerToken|✓|OAS3
+|OAuth2_Implicit|✓|OAS2,OAS3
+|OAuth2_Password|✗|OAS2,OAS3
+|OAuth2_ClientCredentials|✗|OAS2,OAS3
+|OAuth2_AuthorizationCode|✗|OAS2,OAS3
+
+### Wire Format Feature
+| Name | Supported | Defined By |
+| ---- | --------- | ---------- |
+|JSON|✓|OAS2,OAS3
+|XML|✗|OAS2,OAS3
+|PROTOBUF|✗|ToolingExtension
+|Custom|✓|OAS2,OAS3
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenModel.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenModel.java
@@ -1051,6 +1051,9 @@ public void setEmptyVars(boolean emptyVars) {
         this.emptyVars = emptyVars;
     }
 
+    public boolean getHasItems() {
+        return this.items != null;
+    }
     /**
      * Remove duplicated properties in all variable list
      */

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java
@@ -778,6 +778,10 @@ public void setHasDiscriminatorWithNonEmptyMapping(boolean hasDiscriminatorWithN
         this.hasDiscriminatorWithNonEmptyMapping = hasDiscriminatorWithNonEmptyMapping;
     }
 
+    public boolean getHasItems() {
+        return this.items != null;
+    }
+
     @Override
     public boolean getIsString() { return isString; }
 

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
@@ -2731,7 +2731,6 @@ public CodegenModel fromModel(String name, Schema schema) {
             addParentContainer(m, name, schema);
         } else if (ModelUtils.isIntegerSchema(schema)) { // integer type
             // NOTE: Integral schemas as CodegenModel is a rare use case and may be removed at a later date.
-
             m.isNumeric = Boolean.TRUE;
             if (ModelUtils.isLongSchema(schema)) { // int64/long format
                 m.isLong = Boolean.TRUE;
@@ -2823,6 +2822,7 @@ public int compare(CodegenProperty one, CodegenProperty another) {
                 postProcessModelProperty(m, prop);
             }
         }
+
         return m;
     }
 
@@ -2870,16 +2870,15 @@ protected void setAddProps(Schema schema, IJsonSchemaValidationProperties proper
         }
     }
 
-
-        /**
-         * Recursively look in Schema sc for the discriminator discPropName
-         * and return a CodegenProperty with the dataType and required params set
-         * the returned CodegenProperty may not be required and it may not be of type string
-         *
-         * @param composedSchemaName The name of the sc Schema
-         * @param sc                 The Schema that may contain the discriminator
-         * @param discPropName       The String that is the discriminator propertyName in the schema
-         */
+    /**
+     * Recursively look in Schema sc for the discriminator discPropName
+     * and return a CodegenProperty with the dataType and required params set
+     * the returned CodegenProperty may not be required and it may not be of type string
+     *
+     * @param composedSchemaName The name of the sc Schema
+     * @param sc                 The Schema that may contain the discriminator
+     * @param discPropName       The String that is the discriminator propertyName in the schema
+     */
     private CodegenProperty discriminatorFound(String composedSchemaName, Schema sc, String discPropName, OpenAPI openAPI) {
         Schema refSchema = ModelUtils.getReferencedSchema(openAPI, sc);
         if (refSchema.getProperties() != null && refSchema.getProperties().get(discPropName) != null) {
@@ -5199,7 +5198,7 @@ protected void addVars(CodegenModel m, Map<String, Schema> properties, List<Stri
      * @param properties a map of properties (schema)
      * @param mandatory  a set of required properties' name
      */
-    private void addVars(IJsonSchemaValidationProperties m, List<CodegenProperty> vars, Map<String, Schema> properties, Set<String> mandatory) {
+    protected void addVars(IJsonSchemaValidationProperties m, List<CodegenProperty> vars, Map<String, Schema> properties, Set<String> mandatory) {
         if (properties == null) {
             return;
         }
@@ -6826,7 +6825,7 @@ public CodegenParameter fromRequestBody(RequestBody body, Set<String> imports, S
         return codegenParameter;
     }
 
-    private void addVarsRequiredVarsAdditionalProps(Schema schema, IJsonSchemaValidationProperties property){
+    protected void addVarsRequiredVarsAdditionalProps(Schema schema, IJsonSchemaValidationProperties property){
         setAddProps(schema, property);
         if (!"object".equals(schema.getType())) {
             return;

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java
@@ -41,6 +41,7 @@
 import org.openapitools.codegen.api.TemplateFileType;
 import org.openapitools.codegen.ignore.CodegenIgnoreProcessor;
 import org.openapitools.codegen.languages.PythonClientCodegen;
+import org.openapitools.codegen.languages.PythonExperimentalClientCodegen;
 import org.openapitools.codegen.meta.GeneratorMetadata;
 import org.openapitools.codegen.meta.Stability;
 import org.openapitools.codegen.serializer.SerializerUtils;
@@ -527,7 +528,7 @@ void generateModels(List<File> files, List<Object> allModels, List<String> unuse
                     Map<String, Object> modelTemplate = (Map<String, Object>) modelList.get(0);
                     if (modelTemplate != null && modelTemplate.containsKey("model")) {
                         CodegenModel m = (CodegenModel) modelTemplate.get("model");
-                        if (m.isAlias && !(config instanceof PythonClientCodegen))  {
+                        if (m.isAlias && !((config instanceof PythonClientCodegen) || (config instanceof PythonExperimentalClientCodegen)))  {
                             // alias to number, string, enum, etc, which should not be generated as model
                             // for PythonClientCodegen, all aliases are generated as models
                             continue;  // Don't create user-defined classes for aliases