#NEWLINE# def meta_add_tags( self , request , doc ) : #NEWLINE# #INDENT# 'Add meta tags to the html document just before rendering\n        ' #NEWLINE# with OGP ( doc ) as ogp : #NEWLINE# #INDENT# if request : #NEWLINE# #INDENT# oauth = request . cache . oauths #NEWLINE# for provider in oauth . values ( ) : #NEWLINE# #INDENT# provider . ogp_add_tags ( request , ogp )