Provide a way to get a list of all trove classifiers

[brettcannon]

I.e. https://pypi.python.org/pypi?%3Aaction=list_classifiers

[alex]

Would a JSON endpoint that returns a list of trove classifiers work, or do
you care about that exact format?

On Mon, Jun 6, 2016 at 7:09 PM, Brett Cannon [email protected]
wrote:

I.e. https://pypi.python.org/pypi?%3Aaction=list_classifiers

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[dstufft]

We should probably implement the old format either way since it's fairly trivial to do and I'm sure Brett isn't the only person relying on it.

[alex]

@dstufft Can you mark this with a "good for new contributor" label?

[brettcannon]

Just an FYI a JSON value would be great as that's cleaner to work with.

[dstufft]

To be clear, I think we should get a JSON API for it too. Sorting out a JSON endpoint for this might be a good excuse to sit down and do #284, but I think we should also implement the old format too :)

[karan]

I might be able to take this on. A couple questions before I start:

1. Would this go under legacy?
2. What would the end point be (same as pypi)?

[dstufft]

Yea it'd go under legacy, you could just stick it in warehouse/legacy/api/pypi.py. The doap view in that same file is a good example of how to register something that uses the ?:action= dispatching. that should look something like:

@view_config(route_name="legacy.api.pypi.list_classifiers")
def list_classifiers(request):
    pass  # TODO: Add an Implementation

You'll also need to add a route in warehouse/routes.py, again you can use the doap as an example, and it should look something like:

config.add_pypi_action_route(
    "legacy.api.pypi.list_classifiers",
    "list_classifiers",
    domain=warehouse,
)

[dstufft]

Fixed in #1243, added #1244 explicitly for the JSON side of this.