Add GitLab source for gitlab.com and self-hosted instances (Salsa)

src/weekly_activity/cli.py

@@ -10,6 +10,7 @@ from datetime import UTC, datetime
 from weekly_activity.model import last_week_window
 from weekly_activity.report import format_report
 from weekly_activity.sources.github import GitHubSource
+from weekly_activity.sources.gitlab import GitLabSource
 from weekly_activity.sources.launchpad import LaunchpadSource
 
 
@@ -48,6 +49,25 @@ def parse_args(argv: Sequence[str] | None = None) -> argparse.Namespace:
     gh.add_argument("username", help="GitHub username.")
     gh.add_argument("--token", default=None, help="GitHub token (or set GITHUB_TOKEN env var).")
 
+    gl = subparsers.add_parser(
+        "gitlab",
+        parents=[base],
+        help="GitLab activity (gitlab.com or any self-hosted instance, e.g. Debian Salsa).",
+    )
+    gl.add_argument("username", help="GitLab username.")
+    gl.add_argument(
+        "--url",
+        default="https://gitlab.com",
+        help="Base URL of the GitLab instance (default: https://gitlab.com).",
+    )
+    gl.add_argument("--token", default=None, help="API token (overrides env discovery).")
+    gl.add_argument(
+        "--token-env",
+        default=None,
+        metavar="VAR",
+        help="Env var holding the API token (see README for discovery order).",
+    )
+
     return parser.parse_args(argv)
 
 
@@ -84,6 +104,8 @@ def main() -> None:
         )
     elif args.source == "github":
         source = GitHubSource(token=args.token)
+    elif args.source == "gitlab":
+        source = GitLabSource(url=args.url, token=args.token, token_env=args.token_env)
     else:
         raise SystemExit(f"error: unknown source {args.source!r}")