openapi-generators

openapi-generators/openapi-python-client

Generate modern Python clients from OpenAPI

Stars: 2k
Forks: 293
Open beginner issues: 0
Indexed issues: 90
Avg merge: 34m
Merged PRs (30d): 1

Dominant language: Python
License: MIT
Last GitHub push: Aug 30, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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90 open issues indexed

typing_extensions should be declared as dependency Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

openapi-generators/openapi-python-client#1481 · Opened Aug 20, 2026
Multi-body endpoints with required requestBody emit `| Unset` without importing `Unset` Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

openapi-generators/openapi-python-client#1451 · 1 comment · Opened Jun 18, 2026
_build_response crashes with ValueError on non-IANA HTTP status codes (520, 561, etc.) Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

openapi-generators/openapi-python-client#1442 · Opened May 29, 2026
Generator fails on type: array without items even though it's valid in JSON Schema 2020-12 / OpenAPI 3.1 Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

openapi-generators/openapi-python-client#1435 · 1 comment · Opened May 15, 2026
`default` property sibling to a `$ref` is ignored Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

openapi-generators/openapi-python-client#1432 · Opened May 4, 2026
Inline oneOf variants with properties/required fail: "Invalid property in union" Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

openapi-generators/openapi-python-client#1428 · Opened Apr 22, 2026
Generates invalid python code for seemingly correct json Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

openapi-generators/openapi-python-client#1425 · Opened Apr 15, 2026
Model import shadows HTTP `Client` import when a schema is named `Client` Open

Difficulty 3/5 1-2 days Newbie friendliness 70/100

openapi-generators/openapi-python-client#1423 · 1 reaction · Opened Apr 13, 2026
Upload file logic seems to be wrong on 3.1 schema Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

openapi-generators/openapi-python-client#1417 · 2 comments · Opened Apr 6, 2026
The `deprecated` field from OpenAPI operations is parsed but not exposed to templates Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

openapi-generators/openapi-python-client#1412 · 1 comment · Opened Mar 11, 2026
Parameter-level descriptions are ignored in Python SDK generation; only schema descriptions are used Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

openapi-generators/openapi-python-client#1411 · Opened Mar 11, 2026
Enum properties with nullable: true don't handle null values Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

openapi-generators/openapi-python-client#1405 · 2 reactions · Opened Feb 25, 2026
Urllib error when trying to use list inside a form-data Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

openapi-generators/openapi-python-client#1394 · Opened Feb 4, 2026
Model Composition with ‘allOf’ Is Missing Fields Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

openapi-generators/openapi-python-client#1392 · Opened Jan 30, 2026
Bug Report: Incorrect Model Reference in Generated Paginated Envelope Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1390 · 2 reactions · Opened Jan 28, 2026
Handle "empty" default values as null Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1376 · 1 comment · Opened Dec 11, 2025
Attempted to generate duplicate models with name "TypenameFieldnameItem" Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

openapi-generators/openapi-python-client#1375 · Opened Dec 10, 2025
Security key doesn't respect endpoint explicitly setting anonymous access (via `{}`) Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

openapi-generators/openapi-python-client#1372 · Opened Dec 6, 2025
Unable to process schema when title is ambiguous Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1355 · Opened Nov 5, 2025
Quotes in Content-Type cause syntax errors Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1350 · 1 reaction · Opened Nov 1, 2025
Issue with client generation for FastApi version > 118 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1340 · 5 comments · 1 reaction · Opened Oct 27, 2025
Support `application/x-ndjson` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1337 · Opened Oct 21, 2025
`Input should be a valid string` for integer keys in openapi.yaml Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1333 · 1 comment · 4 reactions · Opened Oct 10, 2025
`oneOf` inside `allOf` is ignored during code generation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1328 · 1 reaction · Opened Oct 6, 2025
String enum values containing ³ character do not get properly sanitized Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

openapi-generators/openapi-python-client#1327 · Opened Sep 29, 2025
docstrings_on_attributes: true removes examples Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1282 · Opened Jul 11, 2025
Generates SyntaxError if a path parameter without a default value follows another that has a default value Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

openapi-generators/openapi-python-client#1281 · 2 reactions · Opened Jul 8, 2025
Generation for multiple content types for a single endpoint fails when content types expect identical models Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1276 · 1 comment · 1 reaction · Opened Jun 27, 2025
`anyOf` in responses generates invalid body parser Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

openapi-generators/openapi-python-client#1263 · 5 reactions · Opened Jun 3, 2025
Calling the generator from cli works with different syntax from documentation Open

Difficulty 1/5 Under an hour Newbie friendliness 58/100

openapi-generators/openapi-python-client#1260 · 2 comments · Opened May 28, 2025
Failure to process schema has resulted in the removal Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1256 · 1 comment · Opened May 21, 2025
Support array of format: binary items in multipart/form-data request bodies Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

openapi-generators/openapi-python-client#1255 · Opened May 20, 2025
tonapi.io generate errors Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1254 · Opened May 20, 2025
Support for multiple content types in error response Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1248 · Opened Apr 22, 2025
when openapi-python-client --install-completion, shows "Shell cmd is not supported." Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1244 · Opened Apr 10, 2025
Incorrect parsing of null as nullable enum value serialized as strings Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1243 · 2 comments · Opened Apr 9, 2025
Missing typehint of File payload for async requests Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1239 · Opened Apr 3, 2025
Oauth support seems broken Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1235 · 5 reactions · Opened Mar 26, 2025
"model_type" error when encountering "items": false Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

openapi-generators/openapi-python-client#1229 · 1 reaction · Opened Mar 19, 2025
readOnly property not marked as optional in the generated model Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

openapi-generators/openapi-python-client#1204 · Opened Feb 21, 2025
Parsing Error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1197 · Opened Jan 23, 2025
parameter from the `components/parameters` section makes openapi-python-client crash Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

openapi-generators/openapi-python-client#1194 · Opened Jan 12, 2025
Generator creates enum property types that can collide with user-defined types, causing generation failures Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1167 · 1 reaction · Opened Nov 21, 2024
Conflicting module names for models silently generate invalid code Open

🐞bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1163 · 4 comments · Opened Nov 11, 2024
Minor schema validation error: doesn't complain about invalid default for null and file types Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

openapi-generators/openapi-python-client#1162 · Opened Nov 8, 2024
Empty response schema generates an exception "Unknown media type schema type" Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1157 · Opened Nov 4, 2024
`py.typed` file is generated with client, but exports do not follow rules, causing `reportPrivateImportUsage` error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1127 · 2 reactions · Opened Sep 27, 2024
Incorrect generation of `_parse_response ` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

openapi-generators/openapi-python-client#1125 · Opened Sep 24, 2024
overriding model property with more specific object type doesn't work Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

openapi-generators/openapi-python-client#1123 · 1 comment · 1 reaction · Opened Sep 17, 2024
union types and nullables can create unnecessary class suffixes (and related problems) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

openapi-generators/openapi-python-client#1120 · Opened Sep 12, 2024

A short digest of beginner-friendly GitHub issues.