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fix: add custom filter to enable adding python names to path #987

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@harabat harabat commented Mar 3, 2024

Fixes #976 and #578, and replaces #978.

@dbanty please choose your preferred approach between this and PR #986.

The original issue is that openapi-python-client throws incorrect path templating warnings when the path has a parameter with a hyphen and consequently fails to generate the endpoints.


The first commit ensures that hyphens are recognised as allowed delimiters in parameter path names. This allows the endpoints to be generated.

However, this generates lines like these:

def _get_kwargs(
    user_id: int,
) -> Dict[str, Any]:
    _kwargs: Dict[str, Any] = {
        "method": "post",
        "url": "/activitypub/user-id/{user-id}/inbox".format(user-id=user_id,),
    }
    return _kwargs

Since Python variable names cannot contain hyphens, the user-id parameter name here will trigger errors (starting with ruff).


The second commit creates a custom Jinja filter in utils.py and so that the parameter names in endpoint.path can be converted to their python names directly in templates/endpoint_module.py.jinja.

This fixes the issue and allows endpoints to be generated correctly.


#986 is a different option for the second commit which instead replaces parameter names with their python_name in __init__.py and passes the modified path to templates/endpoint_module.py.jinja.

Both approaches are equivalent and have been tested with different parameter names (snake case, camel case, kebab case, mixed).

@harabat harabat marked this pull request as ready for review March 3, 2024 12:51
@harabat harabat force-pushed the convert_endpoint_path branch 2 times, most recently from 833f434 to 46fe762 Compare March 3, 2024 17:05
@harabat harabat changed the title add custom filter to enable adding python names to path fix: add custom filter to enable adding python names to path Mar 3, 2024
@harabat harabat force-pushed the convert_endpoint_path branch from 46fe762 to 7efb231 Compare March 4, 2024 16:11
@dbanty dbanty closed this Mar 6, 2024
github-merge-queue bot pushed a commit that referenced this pull request Mar 6, 2024
Fixes #976 and #578, and replaces #978.

@dbanty please choose your preferred approach between this and PR #987.

The original issue is that `openapi-python-client` throws `incorrect
path templating` warnings when the path has a parameter with a hyphen
and consequently fails to generate the endpoints.

---

The first commit ensures that hyphens are recognised as allowed
delimiters in parameter path names. This allows the endpoints to be
generated.

However, this generates lines like these:

```python
def _get_kwargs(
    user_id: int,
) -> Dict[str, Any]:
    _kwargs: Dict[str, Any] = {
        "method": "post",
        "url": "/activitypub/user-id/{user-id}/inbox".format(user-id=user_id,),
    }
    return _kwargs
```

Since Python variable names cannot contain hyphens, the `user-id`
parameter name here will trigger errors (starting with `ruff`).

---

The second commit replaces parameter names with their `python_name` in
`__init__.py` and passes the modified path to
`templates/endpoint_module.py.jinja`.

This fixes the issue and allows endpoints to be generated correctly. 

---

#987 is a different option for the second commit which instead creates a
custom Jinja filter in `utils.py` and so that the parameter names in
`endpoint.path` can be converted to their python names directly in
`templates/endpoint_module.py.jinja`.

Both approaches are equivalent and have been tested with different
parameter names (snake case, camel case, kebab case, mixed).

---------

Co-authored-by: harabat <[email protected]>
Co-authored-by: Dylan Anthony <[email protected]>
Co-authored-by: Dylan Anthony <[email protected]>
@harabat harabat deleted the convert_endpoint_path branch March 6, 2024 10:31
@harabat harabat restored the convert_endpoint_path branch March 6, 2024 10:37
@harabat harabat deleted the convert_endpoint_path branch March 6, 2024 10:51
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Endpoints with hyphens in parameter names trigger Incorrect path templating warning, are not generated
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