fixing base UI crash after completing OP guide for the first time (#337)

old-commit-hash: 401c4026ac78cb454aef7889e11ebe92795d0ac9
2018-08-27 10:43:23 -07:00
parent a2f5dddb1f
commit bb9cba24b7
1 changed files with 2 additions and 0 deletions
--- a/common/params.py
+++ b/common/params.py
@@ -272,6 +272,7 @@ def read_db(params_path, key):
    return None

 def write_db(params_path, key, value):
+  prev_umask = os.umask(0)
  lock = FileLock(params_path+"/.lock", True)
  lock.acquire()

@@ -286,6 +287,7 @@ def write_db(params_path, key, value):
    os.rename(tmp_path, path)
    fsync_dir(os.path.dirname(path))
  finally:
+    os.umask(prev_umask)
    lock.release()

 class Params(object):