Add option to set recursion limit

bin/configs/python-experimental.yaml

@@ -4,3 +4,4 @@ inputSpec: modules/openapi-generator/src/test/resources/3_0/python-experimental/
 templateDir: modules/openapi-generator/src/main/resources/python
 additionalProperties:
   packageName: petstore_api
+  recursionLimit: "1234"

docs/generators/python-experimental.md

@@ -12,6 +12,7 @@ sidebar_label: python-experimental
 |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

docs/generators/python.md

@@ -12,6 +12,7 @@ sidebar_label: python
 |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|
 |sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
 |useNose|use the nose test framework| |false|
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java

@@ -43,6 +43,7 @@ public class PythonClientCodegen extends DefaultCodegen implements CodegenConfig
     public static final String DEFAULT_LIBRARY = "urllib3";
     // nose is a python testing framework, we use pytest if USE_NOSE is unset
     public static final String USE_NOSE = "useNose";
+    public static final String RECURSION_LIMIT = "recursionLimit";
 
     protected String packageName = "openapi_client";
     protected String packageVersion = "1.0.0";
@@ -184,6 +185,7 @@ public PythonClientCodegen() {
                 .defaultValue(Boolean.FALSE.toString()));
         cliOptions.add(CliOption.newBoolean(USE_NOSE, "use the nose test framework").
                 defaultValue(Boolean.FALSE.toString()));
+        cliOptions.add(new CliOption(RECURSION_LIMIT, "Set the recursion limit. If not set, use the system default value."));
 
         supportedLibraries.put("urllib3", "urllib3-based client");
         supportedLibraries.put("asyncio", "Asyncio-based client (python 3.5+)");
@@ -253,6 +255,15 @@ public void processOpts() {
             setUseNose((String) additionalProperties.get(USE_NOSE));
         }
 
+        // check to see if setRecursionLimit is set and whether it's an integer
+        if (additionalProperties.containsKey(RECURSION_LIMIT)) {
+            try {
+                Integer.parseInt((String)additionalProperties.get(RECURSION_LIMIT));
+            } catch(NumberFormatException | NullPointerException e) {
+                throw new IllegalArgumentException("recursionLimit must be an integer, e.g. 2000.");
+            }
+        }
+
         String readmePath = "README.md";
         String readmeTemplate = "README.mustache";
         if (generateSourceCodeOnly) {

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

@@ -23,3 +23,7 @@ from {{packageName}}.exceptions import ApiException
 # import models into sdk package
 {{#models}}{{#model}}from {{modelPackage}}.{{classFilename}} import {{classname}}
 {{/model}}{{/models}}
+{{#recursionLimit}}
+
+__import__('sys').setrecursionlimit({{{.}}})
+{{/recursionLimit}}

modules/openapi-generator/src/main/resources/python/python-experimental/__init__package.mustache

@@ -21,4 +21,8 @@ from {{packageName}}.exceptions import ApiAttributeError
 from {{packageName}}.exceptions import ApiTypeError
 from {{packageName}}.exceptions import ApiValueError
 from {{packageName}}.exceptions import ApiKeyError
-from {{packageName}}.exceptions import ApiException
+from {{packageName}}.exceptions import ApiException
+{{#recursionLimit}}
+
+__import__('sys').setrecursionlimit({{{.}}})
+{{/recursionLimit}}

modules/openapi-generator/src/test/java/org/openapitools/codegen/options/PythonClientOptionsProvider.java

@@ -29,6 +29,7 @@ public class PythonClientOptionsProvider implements OptionsProvider {
     public static final String PACKAGE_VERSION_VALUE = "1.0.0-SNAPSHOT";
     public static final String PACKAGE_URL_VALUE = "";
     public static final String USE_NOSE_VALUE = "false";
+    public static final String RECURSION_LIMIT = "1200";
 
     @Override
     public String getLanguage() {
@@ -47,6 +48,7 @@ public Map<String, String> createOptions() {
                 .put(CodegenConstants.SOURCECODEONLY_GENERATION, "false")
                 .put(CodegenConstants.LIBRARY, "urllib3")
                 .put(PythonClientCodegen.USE_NOSE, USE_NOSE_VALUE)
+                .put(PythonClientCodegen.RECURSION_LIMIT, RECURSION_LIMIT)
                 .build();
     }
 

samples/client/petstore/python-experimental/petstore_api/__init__.py

@@ -26,4 +26,4 @@
 from petstore_api.exceptions import ApiTypeError
 from petstore_api.exceptions import ApiValueError
 from petstore_api.exceptions import ApiKeyError
-from petstore_api.exceptions import ApiException
+from petstore_api.exceptions import ApiException

samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/__init__.py

@@ -26,4 +26,4 @@
 from x_auth_id_alias.exceptions import ApiTypeError
 from x_auth_id_alias.exceptions import ApiValueError
 from x_auth_id_alias.exceptions import ApiKeyError
-from x_auth_id_alias.exceptions import ApiException
+from x_auth_id_alias.exceptions import ApiException

samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/__init__.py

@@ -26,4 +26,4 @@
 from dynamic_servers.exceptions import ApiTypeError
 from dynamic_servers.exceptions import ApiValueError
 from dynamic_servers.exceptions import ApiKeyError
-from dynamic_servers.exceptions import ApiException
+from dynamic_servers.exceptions import ApiException

samples/openapi3/client/petstore/python-experimental/petstore_api/__init__.py

@@ -27,4 +27,6 @@
 from petstore_api.exceptions import ApiTypeError
 from petstore_api.exceptions import ApiValueError
 from petstore_api.exceptions import ApiKeyError
-from petstore_api.exceptions import ApiException
+from petstore_api.exceptions import ApiException
+
+__import__('sys').setrecursionlimit(1234)

samples/openapi3/client/petstore/python-experimental/tests_manual/test_fake_api.py

@@ -9,6 +9,7 @@
     Generated by: https://openapi-generator.tech
 """
 
+import sys
 from collections import namedtuple
 import unittest
 import json
@@ -98,6 +99,12 @@ def test_boolean(self):
         assert endpoint.openapi_types['body'] == (bool,)
         assert endpoint.settings['response_type'] == (bool,)
 
+    def test_recursionlimit(self):
+        """Test case for recursionlimit
+
+        """
+        assert sys.getrecursionlimit() == 1234
+
     def test_fake_health_get(self):
         """Test case for fake_health_get
 

samples/openapi3/client/petstore/python-experimental/tests_manual/test_shape.py

@@ -36,13 +36,20 @@ def setUp(self):
     def tearDown(self):
         pass
 
+    def test_recursionlimit(self):
+        """Test case for recursionlimit
+
+        """
+        assert sys.getrecursionlimit() == 1234
+
     def testShape(self):
         """Test Shape"""
         from petstore_api.model import complex_quadrilateral
         from petstore_api.model import simple_quadrilateral
         from petstore_api.model import equilateral_triangle
         from petstore_api.model import isosceles_triangle
         from petstore_api.model import scalene_triangle
+
         tri = triangle.Triangle(
             shape_type="Triangle",
             triangle_type="EquilateralTriangle"