feat: Check for BO4E-Schemas releases in bo4e repo versions (#92)

Exclude versions which are not present as release in repo
`BO4E-Schemas`. (E.g. due to buggy CI)

Author: lord-haffi

src/bo4e_cli/io/git.py

@@ -10,6 +10,7 @@
 from typing import Iterable, Literal
 
 from bo4e_cli.io.console import CONSOLE
+from bo4e_cli.io.github import release_exists
 from bo4e_cli.models.version import Version
 
 
@@ -103,7 +104,12 @@ def get_ref(ref: str) -> tuple[Literal["tag", "branch", "commit"], str]:
 
 # pylint: disable=too-many-branches
 def get_last_n_tags(
-    n: int, *, ref: str = "main", exclude_candidates: bool = True, exclude_technical_bumps: bool = False
+    n: int,
+    *,
+    ref: str = "main",
+    exclude_candidates: bool = True,
+    exclude_technical_bumps: bool = False,
+    token: str | None = None,
 ) -> Iterable[Version]:
     """
     Get the last n tags in chronological descending order starting from `ref`.
@@ -161,6 +167,11 @@ def get_last_n_tags(
         ):
             CONSOLE.print(f"Skipping version {version}", show_only_on_verbose=True)
             continue
+        if not release_exists(version, token):
+            CONSOLE.print(
+                f"Skipping version {version} because it does not exist in the BO4E-Schemas repository.", style="warning"
+            )
+            continue
         CONSOLE.print(f"Yielding version {version}", show_only_on_verbose=True)
         yield version
         last_version = version

src/bo4e_cli/io/github.py

@@ -56,6 +56,18 @@ def get_versions(token: str | None) -> Iterable[Version]:
             pass
 
 
+def release_exists(version: Version, token: str | None) -> bool:
+    """
+    Check if a release with the given version exists in the BO4E-Schemas repository.
+    """
+    repo = get_source_repo(token)
+    try:
+        repo.get_release(str(version))
+        return True
+    except Exception:  # pylint: disable=broad-exception-caught
+        return False
+
+
 def get_schemas_meta_from_gh(version: Version, token: str | None) -> Schemas:
     """
     Query the github tree api for a specific package and version.

unittests/cli/repo/test_versions.py

@@ -20,15 +20,13 @@ def test_repo_last_versions_quiet_and_extra_flags(self) -> None:
 
         version_tags = result.stdout.splitlines()
 
-        assert version_tags == ["v202401.7.1", "v202401.6.0", "v202401.5.0"]
+        assert version_tags == ["v202401.7.0", "v202401.6.0", "v202401.5.0"]
 
     def test_repo_last_versions_with_table(self) -> None:
         with change_cwd(BO4E_PYTHON_DIR):
             result = CliRunner().invoke(
                 app,
                 ["-v", "repo", "versions", "-sr", "ff94097932d6e2e0aadb515281f53f3619a93486"],
-                # This commit sha corresponds to the (wrongly tagged) 2025.0.0 tag.
-                # For some reason, dependabot created this tag?
                 catch_exceptions=False,
                 # terminal_width=20,
                 # It seems that the click runner constraints the terminal width + this option does not work.
@@ -41,7 +39,9 @@ def test_repo_last_versions_with_table(self) -> None:
         assert "Commit date" in result.stdout, f"Expected 'Commit date' in output, got: {result.stdout}"
 
         # Check if the output contains some expected versions
-        assert "v202401.7.1" in result.stdout, f"Expected 'v202401.7.1' in output, got: {result.stdout}"
+        assert (
+            "Skipping version v202401.7.1" in result.stdout
+        ), f"Expected 'v202401.7.1' in output, got: {result.stdout}"
         assert "v202401.7.0" in result.stdout
         assert "v202401.6.0" in result.stdout
         assert "v202401.5.0" in result.stdout