Support URL as a source

[Meemaw]

It would be nice if the CLI supported URLs as a source for the openapi spec, e.g:

openapi2postmanv2 -s http://localhost:8080/openapi ...

[liyingxiu]

@umeshp7 @abhijitkane Hi, I'm new here, can I work on this feature?

[abhijitkane]

@Meemaw could you elaborate what you mean by source? How should the http://localhost:8080/openapi be represented in the final generated collection?

[Meemaw]

As I see it right now, you need to pass a file to the CLI. Another option would be to pass an URL which is exposing the spec (e.g. http://petstore.swagger.io:8080/api/v3/openapi.json). So, internally you could fetch the specification from the URL to local folder and just use your existing logic.

It's not too hard to write some bash around the CLI to do this, but it could be a nice feature to be in the CLI.