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[python] fix #23032 add sync httpx support #23044

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[python] fix #23032 add sync httpx support #23044

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146db3a
[python] fix OpenAPITools#23032 add sync httpx support
soapun Feb 24, 2026
656de6a
fix tests
soapun Feb 24, 2026
f243adf
fix test_proxy
soapun Feb 24, 2026
ea0fddd
fix test_proxy platform specific exc message
soapun Feb 25, 2026
fd1099c
Merge branch 'master' into python-httpx-sync
soapun Feb 26, 2026
672973a
separate template for httpx api_client
soapun Feb 26, 2026
7d352a9
upd FILES
soapun Feb 26, 2026
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1 change: 1 addition & 0 deletions .github/workflows/samples-python-petstore.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ jobs:
sample:
- samples/openapi3/client/petstore/python-aiohttp
- samples/openapi3/client/petstore/python-httpx
- samples/openapi3/client/petstore/python-httpx-sync
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@cubic-dev-ai cubic-dev-ai bot Feb 24, 2026

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P2: The new python-httpx-sync sample is included in the test matrix but missing from the pull_request path filters, so changes limited to that directory won’t trigger CI for this workflow.

Prompt for AI agents 
Check if this issue is valid — if so, understand the root cause and fix it. At .github/workflows/samples-python-petstore.yaml, line 38:

<comment>The new python-httpx-sync sample is included in the test matrix but missing from the pull_request path filters, so changes limited to that directory won’t trigger CI for this workflow.</comment>

<file context>
@@ -35,6 +35,7 @@ jobs:
         sample:
           - samples/openapi3/client/petstore/python-aiohttp
           - samples/openapi3/client/petstore/python-httpx
+          - samples/openapi3/client/petstore/python-httpx-sync
           - samples/openapi3/client/petstore/python
           - samples/openapi3/client/petstore/python-lazyImports
</file context>

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@cubic-dev-ai cubic-dev-ai bot Feb 24, 2026 •
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P2: The new python-httpx-sync sample is included in the test matrix but missing from the pull_request path filters, so changes limited to that directory won’t trigger CI for this workflow.

Prompt for AI agents 
Check if this issue is valid — if so, understand the root cause and fix it. At .github/workflows/samples-python-petstore.yaml, line 38:

<comment>The new python-httpx-sync sample is included in the test matrix but missing from the pull_request path filters, so changes limited to that directory won’t trigger CI for this workflow.</comment>

<file context>
@@ -35,6 +35,7 @@ jobs:
         sample:
           - samples/openapi3/client/petstore/python-aiohttp
           - samples/openapi3/client/petstore/python-httpx
+          - samples/openapi3/client/petstore/python-httpx-sync
           - samples/openapi3/client/petstore/python
           - samples/openapi3/client/petstore/python-lazyImports
</file context>
Fix with Cubic

- samples/openapi3/client/petstore/python
- samples/openapi3/client/petstore/python-lazyImports
services:
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15 changes: 15 additions & 0 deletions bin/configs/python-httpx-sync.yaml
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@@ -0,0 +1,15 @@
generatorName: python
outputDir: samples/openapi3/client/petstore/python-httpx-sync
inputSpec: modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing.yaml
templateDir: modules/openapi-generator/src/main/resources/python
library: httpx-sync
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@wing328 wing328 Mar 3, 2026

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instead of creating another library, what about an option called supportHttpxSync to generate an additional API method suffix with _sync (e.g. get_pet_by_id_sync) while this method simply called the async API method and wait for the completion of the operation?

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@soapun soapun Mar 3, 2026

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It would be very impractical for mutiple threads to utilize same sync client if we make some kind of async to sync here. Each thread would need its own event loop. This leads to more issues if httpx.AsyncClient client utilizes any global synchronization primitives under the hood.

additionalProperties:
packageName: petstore_api
mapNumberTo: float
poetry1: false
nameMappings:
_type: underscore_type
type_: type_with_underscore
modelNameMappings:
# The OpenAPI spec ApiResponse conflicts with the internal ApiResponse
ApiResponse: ModelApiResponse
2 changes: 1 addition & 1 deletion docs/generators/python.md
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Expand Up @@ -25,7 +25,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
|generateSourceCodeOnly|Specifies that only a library source code is to be generated.| |false|
|hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|
|lazyImports|Enable lazy imports.| |false|
|library|library template (sub-template) to use: asyncio, tornado (deprecated), urllib3, httpx| |urllib3|
|library|library template (sub-template) to use: asyncio, tornado (deprecated), urllib3, httpx, httpx-sync| |urllib3|
|mapNumberTo|Map number to Union[StrictFloat, StrictInt], StrictStr or float.| |Union[StrictFloat, StrictInt]|
|packageName|python package name (convention: snake_case).| |openapi_client|
|packageUrl|python package URL.| |null|
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9 changes: 7 additions & 2 deletions ...enapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java
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Expand Up @@ -158,7 +158,8 @@ public PythonClientCodegen() {
supportedLibraries.put("asyncio", "asyncio-based client");
supportedLibraries.put("tornado", "tornado-based client (deprecated)");
supportedLibraries.put("httpx", "httpx-based client");
CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "library template (sub-template) to use: asyncio, tornado (deprecated), urllib3, httpx");
supportedLibraries.put("httpx-sync", "httpx-based sync client");
CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "library template (sub-template) to use: asyncio, tornado (deprecated), urllib3, httpx, httpx-sync");
libraryOption.setDefault(DEFAULT_LIBRARY);
cliOptions.add(libraryOption);
setLibrary(DEFAULT_LIBRARY);
Expand Down Expand Up @@ -326,7 +327,6 @@ public void processOpts() {
supportingFiles.add(new SupportingFile("__init__.mustache", testFolder, "__init__.py"));
}

supportingFiles.add(new SupportingFile("api_client.mustache", packagePath(), "api_client.py"));
supportingFiles.add(new SupportingFile("api_response.mustache", packagePath(), "api_response.py"));

if ("asyncio".equals(getLibrary())) {
Expand All @@ -338,10 +338,15 @@ public void processOpts() {
additionalProperties.put("tornado", "true");
} else if ("httpx".equals(getLibrary())) {
supportingFiles.add(new SupportingFile("httpx/rest.mustache", packagePath(), "rest.py"));
supportingFiles.add(new SupportingFile("httpx/api_client.mustache", packagePath(), "api_client.py"));
additionalProperties.put("async", "true");
additionalProperties.put("httpx", "true");
} else if ("httpx-sync".equals(getLibrary())) {
supportingFiles.add(new SupportingFile("httpx/rest.mustache", packagePath(), "rest.py"));
additionalProperties.put("httpx", "true");
} else {
supportingFiles.add(new SupportingFile("rest.mustache", packagePath(), "rest.py"));
supportingFiles.add(new SupportingFile("api_client.mustache", packagePath(), "api_client.py"));
}

modelPackage = this.packageName + "." + modelPackage;
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