Support self hosted git repo

Author: dzuev2

README.rst

@@ -150,6 +150,14 @@ Extension options (``conf.py``)
   provided, the build will still pass but the changelog will not be built, and
   a link to the ``changelog-url`` will be displayed (if provided).
 
+- ``sphinx_github_changelog_root_repo`` (optional): Root url to the repository,
+  defaults to "https://github.com/". Useful if you're using a self-hosted GitHub
+  instance.
+
+- ``sphinx_github_changelog_graphql_url`` (optional): Url to graphql api, defaults
+  to "https://api.github.com/graphql". Useful if you're using a self-hosted GitHub
+  instance.
+
 .. _ReadTheDocs: https://readthedocs.org/
 
 Directive

sphinx_github_changelog/__init__.py

@@ -19,6 +19,19 @@ def setup(app):
     app.add_config_value(
         name=token_name, default=os.environ.get(token_name.upper()), rebuild="html"
     )
+    root_repo_name = "sphinx_github_changelog_root_repo"
+    app.add_config_value(
+        name=root_repo_name,
+        default=os.environ.get(root_repo_name.upper()),
+        rebuild="html",
+    )
+    graphql_url_name = "sphinx_github_changelog_graphql_url"
+    app.add_config_value(
+        name=graphql_url_name,
+        default=os.environ.get(graphql_url_name.upper()),
+        rebuild="html",
+    )
+
     app.add_directive("changelog", changelog.ChangelogDirective)
 
     return {

sphinx_github_changelog/changelog.py

@@ -31,20 +31,28 @@ def run(self) -> List[nodes.Node]:
         config = self.state.document.settings.env.config
         try:
             return compute_changelog(
-                token=config.sphinx_github_changelog_token, options=self.options
+                token=config.sphinx_github_changelog_token,
+                options=self.options,
+                root_url=config.sphinx_github_changelog_root_repo,
+                graphql_url=config.sphinx_github_changelog_graphql_url,
             )
         except ChangelogError as exc:
             raise self.error(str(exc))
 
 
 def compute_changelog(
-    token: Optional[str], options: Dict[str, str]
+    token: Optional[str],
+    options: Dict[str, str],
+    root_url: Optional[str] = None,
+    graphql_url: Optional[str] = None,
 ) -> List[nodes.Node]:
     if not token:
         return no_token(changelog_url=options.get("changelog-url"))
 
-    owner_repo = extract_github_repo_name(url=options["github"])
-    releases = extract_releases(owner_repo=owner_repo, token=token)
+    owner_repo = extract_github_repo_name(url=options["github"], root_url=root_url)
+    releases = extract_releases(
+        owner_repo=owner_repo, token=token, graphql_url=graphql_url
+    )
 
     pypi_name = extract_pypi_package_name(url=options.get("pypi"))
 
@@ -72,14 +80,19 @@ def no_token(changelog_url: Optional[str]) -> List[nodes.Node]:
     return result
 
 
-def extract_github_repo_name(url: str) -> str:
+def extract_github_repo_name(url: str, root_url: Optional[str] = None) -> str:
     stripped_url = url.rstrip("/")
-    prefix, postfix = "https://github.com/", "/releases"
+    prefix, postfix = (
+        root_url if root_url is not None else "https://github.com/",
+        "/releases",
+    )
+    if not prefix.endswith("/"):
+        prefix += "/"
     url_is_correct = stripped_url.startswith(prefix) and stripped_url.endswith(postfix)
     if not url_is_correct:
         raise ChangelogError(
             "Changelog needs a Github releases URL "
-            f"(https://github.com/:owner/:repo/releases). Received {url}"
+            f"({prefix}:owner/:repo/releases). Received {url}"
         )
 
     return stripped_url[len(prefix) : -len(postfix)]
@@ -142,7 +155,9 @@ def node_for_release(
     return section
 
 
-def extract_releases(owner_repo: str, token: str) -> Iterable[Dict[str, Any]]:
+def extract_releases(
+    owner_repo: str, token: str, graphql_url: Optional[str] = None
+) -> Iterable[Dict[str, Any]]:
     # Necessary for GraphQL
     owner, repo = owner_repo.split("/")
     query = """
@@ -161,7 +176,7 @@ def extract_releases(owner_repo: str, token: str) -> Iterable[Dict[str, Any]]:
     )
     full_query = {"query": query.replace("\n", "")}
 
-    url = "https://api.github.com/graphql"
+    url = "https://api.github.com/graphql" if graphql_url is None else graphql_url
 
     try:
         result = github_call(url=url, query=full_query, token=token)

tests/unit/test_changelog.py

@@ -109,6 +109,27 @@ def test_extract_github_repo_name_error():
         changelog.extract_github_repo_name("https://example.com")
 
 
+@pytest.mark.parametrize(
+    "url",
+    [
+        "https://git.privaterepo.com/a/b/releases",
+        "https://git.privaterepo.com/a/b/releases/",
+    ],
+)
+def test_extract_github_repo_different_root_url(url):
+    with pytest.raises(
+        changelog.ChangelogError, match="^Changelog needs a Github releases URL"
+    ):
+        changelog.extract_github_repo_name(url)
+
+    assert (
+        changelog.extract_github_repo_name(url, "https://git.privaterepo.com/") == "a/b"
+    )
+    assert (
+        changelog.extract_github_repo_name(url, "https://git.privaterepo.com") == "a/b"
+    )
+
+
 @pytest.mark.parametrize(
     "url", ["https://pypi.org/project/a", "https://pypi.org/project/a/"]
 )
@@ -180,6 +201,19 @@ def test_extract_releases(github_payload, release_dict, mocker):
     ]
 
 
+def test_extract_releases_custom_graphql_url(github_payload, release_dict, mocker):
+    mocker.patch(
+        "sphinx_github_changelog.changelog.github_call", return_value=github_payload
+    )
+    assert changelog.extract_releases(
+        owner_repo="a/b",
+        token="token",
+        graphql_url="https://git.privaterepo.com/graphql",
+    ) == [
+        release_dict,
+    ]
+
+
 def test_extract_releases_remove_none(github_payload, release_dict, mocker):
     mocker.patch(
         "sphinx_github_changelog.changelog.github_call",