Prepare GitHub release (#952)

Author: ofek

scripts/release_github.py

@@ -0,0 +1,35 @@
+import re
+import webbrowser
+from pathlib import Path
+from urllib.parse import urlencode
+
+
+def main():
+    changelog_path = Path(__file__).parents[1] / "docs" / "changelog.md"
+    changelog = changelog_path.read_text(encoding="utf-8")
+
+    match = re.search(
+        r"^##\s+Version\s+(?P<version>\S+)[^\n]*\n+(?P<notes>.*?)(?=^##\s+Version|\Z)",
+        changelog,
+        re.DOTALL | re.MULTILINE,
+    )
+    if not match:
+        msg = f"Unable to parse changelog at {changelog_path}"
+        raise RuntimeError(msg)
+
+    version = match.group("version").strip()
+    notes = match.group("notes").strip()
+    params = urlencode(
+        {
+            "title": f"Version {version}",
+            "tag": version,
+            "body": re.sub(r"\{pr\}`(\d+)`", r"#\1", notes),
+        }
+    )
+
+    url = f"https://github.com/jcrist/msgspec/releases/new?{params}"
+    webbrowser.open_new_tab(url)
+
+
+if __name__ == "__main__":
+    main()