only set allow_origin_pat if defined

fixes the default behavior to be as intended (require Origin == Host)
12 years ago · 55f455ab55
parent d4ffeaa1f8
commit 55f455ab55
1 changed files with 2 additions and 1 deletions
--- a/IPython/html/notebookapp.py
+++ b/IPython/html/notebookapp.py
@ -678,7 +678,8 @@ class NotebookApp(BaseIPythonApplication):
    def init_webapp(self):
        """initialize tornado webapp and httpserver"""
        self.webapp_settings['allow_origin'] = self.allow_origin
-        self.webapp_settings['allow_origin_pat'] = re.compile(self.allow_origin_pat)
+        if self.allow_origin_pat:
+            self.webapp_settings['allow_origin_pat'] = re.compile(self.allow_origin_pat)
        self.webapp_settings['allow_credentials'] = self.allow_credentials
        
        self.web_app = NotebookWebApplication(