commit b6e8e595f78baf63f08de44e9b61703cef170a5a
author Yongjie Zhao <yongjie.zhao@gmail.com> Wed Jan 13 23:25:58 2021 +0800
committer Ville Brofeldt <ville.v.brofeldt@gmail.com> Wed Jan 13 17:35:44 2021 +0200
tree c511f275cdddbdd4e9c1e3c9a7c537d86be99aa4
parent 28e099a3127985fcc99078c5ab3acb429f4db1c5

fix(timepicker): make pyparsing thread safe (#12489)

* fix: make pyparsing thread safe

* remove parenthesis for decorator

superset/utils/date_parser.py

diff --git a/superset/utils/date_parser.py b/superset/utils/date_parser.py
index aee2c83..bd979f3 100644
--- a/superset/utils/date_parser.py
+++ b/superset/utils/date_parser.py
@@ -32,6 +32,7 @@
     Group,
     Optional as ppOptional,
     ParseException,
+    ParserElement,
     ParseResults,
     pyparsing_common,
     quotedString,
@@ -40,6 +41,8 @@
 
 from .core import memoized
 
+ParserElement.enablePackrat()
+
 logger = logging.getLogger(__name__)
 
 
@@ -375,7 +378,7 @@
         raise ValueError(_("Unable to find such a holiday: [{}]").format(holiday))
 
 
-@memoized()
+@memoized
 def datetime_parser() -> ParseResults:  # pylint: disable=too-many-locals
     (  # pylint: disable=invalid-name
         DATETIME,