How to use 'flask flash' in Python
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47 def add_error(self,msg): 48 return self.flash(msg,self.ERROR_CLASS)
913 def flash_success_errors(error, action, redirect_url): 914 if error: 915 for each_error in error: 916 flash(gettext("%(msg)s", 917 msg='{action}: {err}'.format( 918 action=action, err=each_error)), 919 "error") 920 return redirect(redirect_url) 921 else: 922 flash(gettext("%(msg)s", msg=action), 923 "success")