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

tools/lib/sanity_check.py

@@ -0,0 +1,19 @@
+import os
+import pwd
+import sys
+
+
+def check_venv(filename: str) -> None:
+    BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    venv = os.path.realpath(os.path.join(BASE_DIR, ".venv"))
+    if sys.prefix != venv:
+        print(f"You need to run {filename} inside a Zulip dev environment.")
+        user_id = os.getuid()
+        user_name = pwd.getpwuid(user_id).pw_name
+
+        print(f"You can `source {venv}/bin/activate` to enter the development environment.")
+
+        if user_name not in ("vagrant", "zulipdev"):
+            print()
+            print("If you are using Vagrant, first run `vagrant ssh` to enter the Vagrant guest.")
+        sys.exit(1)