Support for Gitea Pull Requests

[strk]

Describe the problem

Pull requests are currently only supported against GitHub and GitLab, we'd like to use them against Gitea instead.

Describe the solution you'd like

Add support fir Gitea pull requests.
Here's the API documentation: https://try.gitea.io/api/swagger#/repository/repoCreatePullRequest

Describe alternatives you've considered

No response

Screenshots

No response

Additional context

No response

[github-actions]

This issue has been added to the backlog. It is not scheduled on the Weblate roadmap, but it eventually might be implemented.

In case you need this feature soon, please consider helping or push it by funding the development.

[strk]

Here's the documentation for the HTTP API of Gitea: https://try.gitea.io/api/swagger
I gave a look at the GitMergeRequestBase class but I'm confused by the fact that Weblate confuses VCS with "Code Hosting" (ie: letting you choose between GitHub and Git as the VCS). I think for hosting a different set of configurations would be needed (like: where's the API URL ? What are the credentials... )

[nijel]

Historically, the implementation was done this way. The reason is that you need to change the VCS behavior to integrate with the code hosting site (for example, push to fork instead of pushing to original repo).

The API URL is generated from the VCS URL:

weblate/weblate/vcs/git.py

Lines 698 to 732 in 833ead3

	def get_api_url(self) -> Tuple[str, str, str]:
	repo = self.component.repo
	parsed = urllib.parse.urlparse(repo)
	host = parsed.hostname
	if not host:
	# Assume SSH URL
	host, path = repo.split(":")
	host = host.split("@")[-1]
	else:
	path = parsed.path
	parts = path.split(":")[-1].rstrip("/").split("/")
	last_part = parts[-1]
	if last_part.endswith(".git"):
	last_part = last_part[:-4]
	slug_parts = [last_part]
	owner = ""
	for part in parts[:-1]:
	if not part:
	continue
	if not owner:
	owner = part
	continue
	slug_parts.insert(-1, part)
	slug = "/".join(slug_parts)
	return (
	self.API_TEMPLATE.format(
	host=self.format_api_host(host),
	owner=owner,
	slug=slug,
	owner_url=urllib.parse.quote_plus(owner),
	slug_url=urllib.parse.quote_plus(slug),
	),
	owner,
	slug,
	)

It is customized per code hosting site:

weblate/weblate/vcs/git.py

Lines 839 to 846 in 833ead3

	def format_api_host(self, host):
	# In case the hostname of the repository does not point to "github.com" assume
	# that it is on a GitHub Enterprise server, which has uses a different base URL
	# for the API:
	if host != "github.com":
	return f"{host}/api/v3"
	return "api.github.com"

The credentials are stored in the settings GITHUB_CREDENTIALS / GITLAB_CREDENTIALS / PAGURE_CREDENTIALS.

[github-actions]

Thank you for your report; the issue you have reported has just been fixed.

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