<s> """<STR_LIT>""" <EOL> import datetime <EOL> from django . conf import settings <EOL> from django . core . mail import send_mail <EOL> from django . contrib . comments import signals <EOL> from django . db . models . base import ModelBase <EOL> from django . template import Context , loader <EOL> from django . contrib import comments <EOL> from django . contrib . sites . models import get_current_site <EOL> from django . utils import timezone <EOL> class AlreadyModerated ( Exception ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class NotModerated ( Exception ) : <EOL> """<STR_LIT>""" <EOL> pass <EOL> class CommentModerator ( object ) : <EOL> """<STR_LIT>""" <EOL> auto_close_field = None <EOL> auto_moderate_field = None <EOL> close_after = None <EOL> email_notification = False <EOL> enable_field = None <EOL> moderate_after = None <EOL> def __init__ ( self , model ) : <EOL> self . _model = model <EOL> def _get_delta ( self , now , then ) : <EOL> """<STR_LIT>""" <EOL> if now . __class__ is not then . __class__ : <EOL> now = datetime . date ( now . year , now . month , now . day ) <EOL> then = datetime . date ( then . year , then . month , then . day ) <EOL> if now < then : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> return now - then <EOL> def allow ( self , comment , content_object , request ) : <EOL> """<STR_LIT>""" <EOL> if self . enable_field : <EOL> if not getattr ( content_object , self . enable_field ) : <EOL> return False <EOL> if self . auto_close_field and self . close_after is not None : <EOL> close_after_date = getattr ( content_object , self . auto_close_field ) <EOL> if close_after_date is not None and self . _get_delta ( timezone . now ( ) , close_after_date ) . days >= self . close_after : <EOL> return False <EOL> return True <EOL> def moderate ( self , comment , content_object , request ) : <EOL> """<STR_LIT>""" <EOL> if self . auto_moderate_field and self . moderate_after is not None : <EOL> moderate_after_date = getattr ( content_object , self . auto_moderate_field ) <EOL> if moderate_after_date is not None and self . _get_delta ( timezone . now ( ) , moderate_after_date ) . days >= self . moderate_after : <EOL> return True <EOL> return False <EOL> def email ( self , comment , content_object , request ) : <EOL> """<STR_LIT>""" <EOL> if not self . email_notification : <EOL> return <EOL> recipient_list = [ manager_tuple [ <NUM_LIT:1> ] for manager_tuple in settings . MANAGERS ] <EOL> t = loader . get_template ( '<STR_LIT>' ) <EOL> c = Context ( { '<STR_LIT>' : comment , <EOL> '<STR_LIT>' : content_object } ) <EOL> subject = '<STR_LIT>' % ( get_current_site ( request ) . name , <EOL> content_object ) <EOL> message = t . render ( c ) <EOL> send_mail ( subject , message , settings . DEFAULT_FROM_EMAIL , recipient_list , fail_silently = True ) <EOL> class Moderator ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> self . _registry = { } <EOL> self . connect ( ) <EOL> def connect ( self ) : <EOL> """<STR_LIT>""" <EOL> signals . comment_will_be_posted . connect ( self . pre_save_moderation , sender = comments . get_model ( ) ) <EOL> signals . comment_was_posted . connect ( self . post_save_moderation , sender = comments . get_model ( ) ) <EOL> def register ( self , model_or_iterable , moderation_class ) : <EOL> """<STR_LIT>""" <EOL> if isinstance ( model_or_iterable , ModelBase ) : <EOL> model_or_iterable = [ model_or_iterable ] <EOL> for model in model_or_iterable : <EOL> if model in self . _registry : <EOL> raise AlreadyModerated ( "<STR_LIT>" % model . _meta . module_name ) <EOL> self . _registry [ model ] = moderation_class ( model ) <EOL> def unregister ( self , model_or_iterable ) : <EOL> """<STR_LIT>""" <EOL> if isinstance ( model_or_iterable , ModelBase ) : <EOL> model_or_iterable = [ model_or_iterable ] <EOL> for model in model_or_iterable : <EOL> if model not in self . _registry : <EOL> raise NotModerated ( "<STR_LIT>" % model . _meta . module_name ) <EOL> del self . _registry [ model ] <EOL> def pre_save_moderation ( self , sender , comment , request , ** kwargs ) : <EOL> """<STR_LIT>""" <EOL> model = comment . content_type . model_class ( ) <EOL> if model not in self . _registry : <EOL> return <EOL> content_object = comment . content_object <EOL> moderation_class = self . _registry [ model ] <EOL> if not moderation_class . allow ( comment , content_object , request ) : <EOL> return False <EOL> if moderation_class . moderate ( comment , content_object , request ) : <EOL> comment . is_public = False <EOL> def post_save_moderation ( self , sender , comment , request , ** kwargs ) : <EOL> """<STR_LIT>""" <EOL> model = comment . content_type . model_class ( ) <EOL> if model not in self . _registry : <EOL> return <EOL> self . _registry [ model ] . email ( comment , comment . content_object , request ) <EOL> moderator = Moderator ( ) </s>
