add set_github_warning

bioimageio/spec/_internal/gh_utils.py

@@ -0,0 +1,26 @@
+import inspect
+import os
+
+from loguru import logger
+
+
+def set_github_warning(title: str, message: str):
+    if (
+        not os.getenv("GITHUB_ACTIONS")
+        or (current_frame := inspect.currentframe()) is None
+        or (caller_frame := current_frame.f_back) is None
+    ):
+        # fallback to regular logging
+        logger.opt(depth=1).warning("{}: {}", title, message)
+        return
+
+    frameinfo = inspect.getframeinfo(caller_frame)
+    frameinfo.lineno
+
+    # log according to
+    # https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/workflow-commands-for-github-actions#setting-a-warning-message
+    print(
+        f"::warning file={frameinfo.filename},"
+        + f"line={frameinfo.lineno},endLine={frameinfo.lineno+1},"
+        + f"title={title}::{message}"
+    )