Samwelkanda/codegen python

.vscode/launch.json

@@ -129,6 +129,24 @@
             "console": "internalConsole",
             "stopAtEntry": false
         },
+        {
+            "name": "Launch Python",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            "program": "${workspaceFolder}/src/kiota/bin/Debug/net6.0/kiota.dll",
+            "args": ["--openapi",
+                 "https://raw.githubusercontent.com/microsoftgraph/msgraph-sdk-powershell/dev/openApiDocs/v1.0/Mail.yml",
+                 "--language",
+                 "python",
+                 "-o",
+                 "${workspaceFolder}/samples/msgraph-mail/python",
+                 "-n",
+                 "GraphPythonv1" ],
+            "cwd": "${workspaceFolder}/src/kiota",
+            "console": "internalConsole",
+            "stopAtEntry": false
+        },
         {
             "name": ".NET Core Attach",
             "type": "coreclr",

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added support for no-content responses in python abstractions and http packages. [#1630](https://github.com/microsoft/kiota/issues/1459)
 - Added support for vendor-specific content types in python. [#1631](https://github.com/microsoft/kiota/issues/1463)
 - Simplified field deserializers for json in Python. [#1632](https://github.com/microsoft/kiota/issues/1492)
+- Adds python code generation support. [#1200](https://github.com/microsoft/kiota/issues/163)
 - Added native type support for Duration, Time Only, and Date Only in Ruby. [#1644](https://github.com/microsoft/kiota/issues/1644)
 - Added a `--additional-data` argument to generate the AdditionalData properties [#1772](https://github.com/microsoft/kiota/issues/1772)
 

README.md

@@ -25,7 +25,7 @@ The following table provides an overview of the languages supported by Kiota and
 | Go | [✔](https://github.com/microsoft/kiota/projects/8) | [✔](https://github.com/microsoft/kiota-abstractions-go)         | [JSON](https://github.com/microsoft/kiota-serialization-json-go), [TEXT](https://github.com/microsoft/kiota-serialization-text-go)                                 | [Anonymous](https://github.com/microsoft/kiota-abstractions-go/blob/main/authentication/anonymous_authentication_provider.go), [Azure](https://github.com/microsoft/kiota-authentication-azure-go/) | [✔](https://github.com/microsoft/kiota-http-go/) | [link](https://microsoft.github.io/kiota/get-started/go) |
 | Java | [✔](https://github.com/microsoft/kiota/projects/7) | [✔](https://github.com/microsoft/kiota-java/tree/main/components/abstractions)       | [JSON](https://github.com/microsoft/kiota-java/tree/main/components/serialization/json), [TEXT](https://github.com/microsoft/kiota-java/tree/main/components/serialization/text)                               | [Anonymous](https://github.com/microsoft/kiota-java/blob/main/components/abstractions/src/main/java/com/microsoft/kiota/authentication/AnonymousAuthenticationProvider.java), [Azure](https://github.com/microsoft/kiota-java/tree/main/components/authentication/azure) | [✔](https://github.com/microsoft/kiota-java/tree/main/components/http/okHttp) | [link](https://microsoft.github.io/kiota/get-started/java) |
 | PHP | [✔](https://github.com/microsoft/kiota/projects/4) | [✔](https://github.com/microsoft/kiota-abstractions-php)          | [JSON](https://github.com/microsoft/kiota-serialization-json-php), [TEXT](https://github.com/microsoft/kiota-serialization-text-php)                                | [Anonymous](https://github.com/microsoft/kiota-abstractions-php/blob/main/src/Authentication/AnonymousAuthenticationProvider.php), [✔️ PHP League](https://github.com/microsoft/kiota-authentication-phpleague-php) | [✔](https://github.com/microsoft/kiota-http-guzzle-php) | [link](https://microsoft.github.io/kiota/get-started/php) |
-| Python | [▶](https://github.com/microsoft/kiota/projects/3) | [✔](./abstractions/python)  | [JSON](./serialization/python/json), [❌ TEXT](https://github.com/microsoft/kiota/issues/1406) | [Anonymous](./abstractions/python/kiota/abstractions/authentication/anonymous_authentication_provider.py), [Azure](./authentication/python/azure) | [✔](./http/python/requests) |  |
+| Python | [✔](https://github.com/microsoft/kiota/projects/3) | [✔](./abstractions/python)  | [JSON](./serialization/python/json), [❌ TEXT](https://github.com/microsoft/kiota/issues/1406) | [Anonymous](./abstractions/python/kiota/abstractions/authentication/anonymous_authentication_provider.py), [Azure](./authentication/python/azure) | [✔](./http/python/requests) |  |
 | Ruby | [✔](https://github.com/microsoft/kiota/projects/6) | [✔](./abstractions/ruby)       | [JSON](./serialization/ruby/json/microsoft_kiota_serialization), [❌ TEXT](https://github.com/microsoft/kiota/issues/1049) | [Anonymous](./abstractions/ruby/microsoft_kiota_abstractions/lib/microsoft_kiota_abstractions/authentication/anonymous_authentication_provider.rb), [❌ Azure](https://github.com/microsoft/kiota/issues/421) | [✔](./http/ruby/nethttp/microsoft_kiota_nethttplibrary)| [link](https://microsoft.github.io/kiota/get-started/ruby)  |
 | TypeScript/JavaScript | [✔](https://github.com/microsoft/kiota/projects/2) | [✔](https://github.com/microsoft/kiota-typescript/tree/main/packages/abstractions) | [JSON](https://github.com/microsoft/kiota-typescript/tree/main/packages/serialization/json), [TEXT](https://github.com/microsoft/kiota-typescript/tree/main/packages/serialization/text)                         | [Anonymous](https://github.com/microsoft/kiota-typescript/blob/main/packages/abstractions/src/authentication/anonymousAuthenticationProvider.ts), [Azure](https://github.com/microsoft/kiota-typescript/tree/main/packages/authentication/azure) | [✔](https://github.com/microsoft/kiota-typescript/tree/main/packages/http/fetch) | [link](https://microsoft.github.io/kiota/get-started/typescript) |
 | Shell | [✔](https://github.com/microsoft/kiota/projects/10) | [✔](./abstractions/dotnet), [✔](./cli/commonc) | [JSON](./serialization/dotnet/json), [TEXT](./serialization/dotnet/text) | [Anonymous](./abstractions/dotnet/src/authentication/AnonymousAuthenticationProvider.cs), [Azure](./authentication/dotnet/azure) | [✔](./http/dotnet/httpclient) | [link](https://microsoft.github.io/kiota/get-started/dotnet) |

src/Kiota.Builder/PathSegmenters/PythonPathSegmenter.cs

@@ -0,0 +1,17 @@
+using Kiota.Builder.Extensions;
+
+namespace Kiota.Builder;
+public class PythonPathSegmenter : CommonPathSegmenter
+{
+    public PythonPathSegmenter(string rootPath, string clientNamespaceName) : base(rootPath, clientNamespaceName) { }
+    public override string FileSuffix => ".py";
+    public override string NormalizeFileName(CodeElement currentElement) {
+        return currentElement switch
+        {
+            CodeNamespace => "__init__",
+            _ => GetDefaultFileName(currentElement)
+        };
+    }
+    private static string GetDefaultFileName(CodeElement currentElement) => GetLastFileNameSegment(currentElement).ToSnakeCase();
+    public override string NormalizeNamespaceSegment(string segmentName) => segmentName.ToSnakeCase();
+}

src/Kiota.Builder/Refiners/CommonLanguageRefiner.cs

@@ -473,7 +473,7 @@ internal void AddInnerClasses(CodeElement current, bool prefixClassNameWithParen
     private static readonly CodeUsingComparer usingComparerWithoutDeclarations = new(false);
     protected readonly GenerationConfiguration _configuration;
 
-    protected static void AddPropertiesAndMethodTypesImports(CodeElement current, bool includeParentNamespaces, bool includeCurrentNamespace, bool compareOnDeclaration) {
+    protected static void AddPropertiesAndMethodTypesImports(CodeElement current, bool includeParentNamespaces, bool includeCurrentNamespace, bool compareOnDeclaration, Func<IEnumerable<CodeTypeBase>, IEnumerable<CodeTypeBase>> codeTypeFilter = default) {
         if(current is CodeClass currentClass &&
             currentClass.StartBlock is ClassDeclaration currentClassDeclaration) {
             var currentClassNamespace = currentClass.GetImmediateParentOfType<CodeNamespace>();
@@ -503,24 +503,33 @@ protected static void AddPropertiesAndMethodTypesImports(CodeElement current, bo
                                 .SelectMany(static x => x.ErrorMappings)
                                 .Select(static x => x.Value)
                                 .Distinct();
-            var usingsToAdd = propertiesTypes
+            var typesCollection = propertiesTypes
                                 .Union(methodsParametersTypes)
                                 .Union(methodsReturnTypes)
                                 .Union(indexerTypes)
                                 .Union(inheritTypes)
                                 .Union(errorTypes)
-                                .Where(static x => x != null)
-                                .SelectMany(static x => x?.AllTypes?.Select(static y => (type: y, ns: y?.TypeDefinition?.GetImmediateParentOfType<CodeNamespace>())))
-                                .Where(x => x.ns != null && (includeCurrentNamespace || x.ns != currentClassNamespace))
-                                .Where(x => includeParentNamespaces || !currentClassNamespace.IsChildOf(x.ns))
-                                .Select(static x => new CodeUsing { Name = x.ns.Name, Declaration = x.type })
-                                .Where(x => x.Declaration?.TypeDefinition != current)
-                                .Distinct(compareOnDeclaration ? usingComparerWithDeclarations : usingComparerWithoutDeclarations)
-                                .ToArray();
+                                .Where(static x => x != null);
+
+            if (codeTypeFilter != default)
+            {
+                typesCollection = codeTypeFilter?.Invoke(typesCollection);
+            }
+
+            var usingsToAdd = typesCollection.Where(static x => x != null)
+                            .SelectMany(static x => x?.AllTypes?.Select(static y => (type: y, ns: y?.TypeDefinition?.GetImmediateParentOfType<CodeNamespace>())))
+                            .Where(x => x.ns != null && (includeCurrentNamespace || x.ns != currentClassNamespace))
+                            .Where(x => includeParentNamespaces || !currentClassNamespace.IsChildOf(x.ns))
+                            .Select(static x => new CodeUsing { Name = x.ns.Name, Declaration = x.type })
+                            .Where(x => x.Declaration?.TypeDefinition != current)
+                            .Distinct(compareOnDeclaration ? usingComparerWithDeclarations : usingComparerWithoutDeclarations)
+                            .ToArray();
+
+
             if(usingsToAdd.Any())
                 (currentClass.Parent is CodeClass parentClass ? parentClass : currentClass).AddUsing(usingsToAdd); //lots of languages do not support imports on nested classes
         }
-        CrawlTree(current, (x) => AddPropertiesAndMethodTypesImports(x, includeParentNamespaces, includeCurrentNamespace, compareOnDeclaration));
+        CrawlTree(current, (x) => AddPropertiesAndMethodTypesImports(x, includeParentNamespaces, includeCurrentNamespace, compareOnDeclaration, codeTypeFilter));
     }
     protected static void CrawlTree(CodeElement currentElement, Action<CodeElement> function) {
         foreach(var childElement in currentElement.GetChildElements())

src/Kiota.Builder/Refiners/ILanguageRefiner.cs

@@ -30,6 +30,9 @@ public static void Refine(GenerationConfiguration config, CodeNamespace generate
                 case GenerationLanguage.Swift:
                     new SwiftRefiner(config).Refine(generatedCode);
                     break;
+                case GenerationLanguage.Python:
+                    new PythonRefiner(config).Refine(generatedCode);
+                    break;
                 default:
                     break; //Do nothing
             }