🐛 third party extensions as default even when no user extensions are …

…nominated: #90
moremoban · Jan 17, 2019 · 96928de · 96928de
1 parent 970f651
commit 96928de
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/moban/jinja2/engine.py b/moban/jinja2/engine.py
@@ -67,11 +67,13 @@ def __init__(self, template_dirs, extensions=None):
             keep_trailing_newline=True,
             trim_blocks=True,
             lstrip_blocks=True,
+            extensions=[
+                extension for extension in JINJA2_THIRD_PARTY_EXTENSIONS
+            ],  # get a copy of this global variable
         )
         if is_extensions_valid(extensions):
-            env_params["extensions"] = (
-                extensions + JINJA2_THIRD_PARTY_EXTENSIONS
-            )
+            # because it is modified here
+            env_params["extensions"] += extensions
         self.jj2_environment = Environment(**env_params)
         for filter_name, filter_function in FILTERS.get_all():
             self.jj2_environment.filters[filter_name] = filter_function