added changelog generator script

misc/create_changelog.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+
+import subprocess
+import re
+import datetime
+
+
+def get_latest_tag():
+    result = subprocess.run(["git", "describe", "--tags", "--abbrev=0"], capture_output=True, text=True)
+    if result.returncode != 0:
+        raise RuntimeError("Failed to get the latest tag: " + result.stderr)
+    return result.stdout.strip()
+
+
+def get_commits_since_tag(tag):
+    result = subprocess.run(["git", "log", f"{tag}..HEAD", "--pretty=format:%s %H"], capture_output=True, text=True)
+    if result.returncode != 0:
+        raise RuntimeError("Failed to get commits: " + result.stderr)
+    return [line.rsplit(' ', 1) for line in result.stdout.strip().splitlines()]
+
+
+def get_files_changed(commit_hash):
+    result = subprocess.run(["git", "show", "--name-only", "--pretty=format:", commit_hash], capture_output=True, text=True)
+    if result.returncode != 0:
+        raise RuntimeError("Failed to get files changed: " + result.stderr)
+    return result.stdout.strip().splitlines()
+
+
+def categorize_commit(message, files_changed):
+    if "opp_env/opp_env.py" in files_changed:
+        return "opp_env"
+    elif any(file.startswith("opp_env/") and file != "opp_env/opp_env.py" for file in files_changed):
+        return "Models"
+    return "Uncategorized"
+
+
+def create_changelog(commits):
+    changelog = "# Changes\n\n"
+    version = f"x.y.z.{datetime.datetime.now():%y%m%d}"
+    changelog += f"## {version}\n\n"
+
+    categorized = {}
+    for commit_message, commit_hash in commits:
+        files_changed = get_files_changed(commit_hash)
+        category = categorize_commit(commit_message, files_changed)
+        if category not in categorized:
+            categorized[category] = []
+        categorized[category].append(commit_message)
+
+    for category, messages in categorized.items():        
+        changelog += f"### {category}\n\n"
+        for message in messages:
+            if message.startswith("opp_env: "):
+                message = message[len("opp_env:"):].strip()
+            if message.startswith("external: "):
+                message = message[len("external:"):].strip()
+            if message.startswith("external.py: "):
+                message = message[len("external.py:"):].strip()
+            changelog += f"- {message}\n"
+        changelog += "\n"
+
+    return changelog
+
+
+def main():
+    try:
+        latest_tag = get_latest_tag()
+        commits = get_commits_since_tag(latest_tag)
+        if not commits:
+            print("No new commits since the last tagged version.")
+            return
+
+        changelog = create_changelog(commits)
+        print(changelog)
+    except RuntimeError as e:
+        print(e)
+
+
+if __name__ == "__main__":
+    main()