snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

scripts/lib/clean_emoji_cache.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+import argparse
+import os
+import sys
+
+ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+sys.path.append(ZULIP_PATH)
+from scripts.lib.zulip_tools import (
+    get_environment,
+    get_recent_deployments,
+    parse_cache_script_args,
+    purge_unused_caches,
+)
+
+ENV = get_environment()
+EMOJI_CACHE_PATH = "/srv/zulip-emoji-cache"
+
+
+def get_caches_in_use(threshold_days: int) -> set[str]:
+    setups_to_check = {ZULIP_PATH}
+    caches_in_use = set()
+
+    if ENV == "prod":
+        setups_to_check |= get_recent_deployments(threshold_days)
+    if ENV == "dev":
+        CACHE_SYMLINK = os.path.join(ZULIP_PATH, "static", "generated", "emoji")
+        CURRENT_CACHE = os.path.dirname(os.path.realpath(CACHE_SYMLINK))
+        caches_in_use.add(CURRENT_CACHE)
+
+    for setup_dir in setups_to_check:
+        emoji_link_path = os.path.join(setup_dir, "static/generated/emoji")
+        if not os.path.islink(emoji_link_path):
+            # This happens for a deployment directory extracted from a
+            # tarball, which just has a copy of the emoji data, not a symlink.
+            continue
+        # The actual cache path doesn't include the /emoji
+        caches_in_use.add(os.path.dirname(os.readlink(emoji_link_path)))
+    return caches_in_use
+
+
+def main(args: argparse.Namespace) -> None:
+    caches_in_use = get_caches_in_use(args.threshold_days)
+    purge_unused_caches(EMOJI_CACHE_PATH, caches_in_use, "emoji cache", args)
+
+
+if __name__ == "__main__":
+    args = parse_cache_script_args("This script cleans unused Zulip emoji caches.")
+    main(args)