<s> import time <EOL> import smtplib <EOL> import logging <EOL> from lockfile import FileLock , AlreadyLocked , LockTimeout <EOL> from socket import error as socket_error <EOL> from mailer . models import Message , DontSendEntry , MessageLog <EOL> from django . conf import settings <EOL> from django . core . mail import send_mail as core_send_mail <EOL> EMPTY_QUEUE_SLEEP = getattr ( settings , "<STR_LIT>" , <NUM_LIT:30> ) <EOL> LOCK_WAIT_TIMEOUT = getattr ( settings , "<STR_LIT>" , - <NUM_LIT:1> ) <EOL> def prioritize ( ) : <EOL> """<STR_LIT>""" <EOL> while True : <EOL> while Message . objects . high_priority ( ) . count ( ) or Message . objects . medium_priority ( ) . count ( ) : <EOL> while Message . objects . high_priority ( ) . count ( ) : <EOL> for message in Message . objects . high_priority ( ) . order_by ( '<STR_LIT>' ) : <EOL> yield message <EOL> while Message . objects . high_priority ( ) . count ( ) == <NUM_LIT:0> and Message . objects . medium_priority ( ) . count ( ) : <EOL> yield Message . objects . medium_priority ( ) . order_by ( '<STR_LIT>' ) [ <NUM_LIT:0> ] <EOL> while Message . objects . high_priority ( ) . count ( ) == <NUM_LIT:0> and Message . objects . medium_priority ( ) . count ( ) == <NUM_LIT:0> and Message . objects . low_priority ( ) . count ( ) : <EOL> yield Message . objects . low_priority ( ) . order_by ( '<STR_LIT>' ) [ <NUM_LIT:0> ] <EOL> if Message . objects . non_deferred ( ) . count ( ) == <NUM_LIT:0> : <EOL> break <EOL> def send_all ( ) : <EOL> """<STR_LIT>""" <EOL> lock = FileLock ( "<STR_LIT>" ) <EOL> logging . debug ( "<STR_LIT>" ) <EOL> try : <EOL> lock . acquire ( LOCK_WAIT_TIMEOUT ) <EOL> except AlreadyLocked : <EOL> logging . debug ( "<STR_LIT>" ) <EOL> return <EOL> except LockTimeout : <EOL> logging . debug ( "<STR_LIT>" ) <EOL> return <EOL> logging . debug ( "<STR_LIT>" ) <EOL> start_time = time . time ( ) <EOL> dont_send = <NUM_LIT:0> <EOL> deferred = <NUM_LIT:0> <EOL> sent = <NUM_LIT:0> <EOL> try : <EOL> for message in prioritize ( ) : <EOL> if DontSendEntry . objects . has_address ( message . to_address ) : <EOL> logging . info ( "<STR_LIT>" % message . to_address . encode ( "<STR_LIT:utf-8>" ) ) <EOL> MessageLog . objects . log ( message , <NUM_LIT:2> ) <EOL> message . delete ( ) <EOL> dont_send += <NUM_LIT:1> <EOL> else : <EOL> try : <EOL> logging . info ( "<STR_LIT>" % ( message . subject . encode ( "<STR_LIT:utf-8>" ) , message . to_address . encode ( "<STR_LIT:utf-8>" ) ) ) <EOL> core_send_mail ( message . subject , message . message_body , message . from_address , [ message . to_address ] ) <EOL> MessageLog . objects . log ( message , <NUM_LIT:1> ) <EOL> message . delete ( ) <EOL> sent += <NUM_LIT:1> <EOL> except ( socket_error , smtplib . SMTPSenderRefused , smtplib . SMTPRecipientsRefused , smtplib . SMTPAuthenticationError ) , err : <EOL> message . defer ( ) <EOL> logging . info ( "<STR_LIT>" % err ) <EOL> MessageLog . objects . log ( message , <NUM_LIT:3> , log_message = str ( err ) ) <EOL> deferred += <NUM_LIT:1> <EOL> finally : <EOL> logging . debug ( "<STR_LIT>" ) <EOL> lock . release ( ) <EOL> logging . debug ( "<STR_LIT>" ) <EOL> logging . info ( "<STR_LIT>" ) <EOL> logging . info ( "<STR_LIT>" % ( sent , deferred , dont_send ) ) <EOL> logging . info ( "<STR_LIT>" % ( time . time ( ) - start_time ) ) <EOL> def send_loop ( ) : <EOL> """<STR_LIT>""" <EOL> while True : <EOL> while not Message . objects . all ( ) : <EOL> logging . debug ( "<STR_LIT>" % EMPTY_QUEUE_SLEEP ) <EOL> time . sleep ( EMPTY_QUEUE_SLEEP ) <EOL> send_all ( ) </s>
