PLD_Builder/mailer.py

   1 # vi: encoding=utf-8 ts=8 sts=4 sw=4 et
   2
   3 import time
   4 import os
   5 import sys
   6 import StringIO
   7
   8 from config import config
   9 import util
  10
  11 def recode(s):
  12     if s.__class__ == ''.__class__:
  13         return s.decode('iso-8859-1', 'replace').encode('us-ascii', 'replace')
  14     else:
  15         return s.encode('us-ascii', 'replace')
  16
  17 class Message:
  18     def __init__(self):
  19         self.headers = {}
  20         self.body = StringIO.StringIO()
  21         self.set_std_headers()
  22
  23     def set_header(self, n, v):
  24         self.headers[n] = v
  25
  26     def set_headers(self, to = None, cc = None, subject = None):
  27         if to != None:
  28             self.set_header("To", to)
  29         if cc != None:
  30             self.set_header("Cc", cc)
  31         if subject != None:
  32             self.set_header("Subject", subject)
  33
  34     def write_line(self, l):
  35         self.body.write(recode("%s\n" % l))
  36
  37     def write(self, s):
  38         self.body.write(recode(s))
  39
  40     def append_log(self, log):
  41         s = os.stat(log)
  42         if s.st_size > 50000:
  43             # just head and tail
  44             f = open(log)
  45             line_cnt = 0
  46             for l in f.xreadlines():
  47                 line_cnt += 1
  48             f.seek(0)
  49             line = 0
  50             for l in f.xreadlines():
  51                 if line < 100 or line > line_cnt - 100:
  52                     self.body.write(recode(l))
  53                 if line == line_cnt - 100:
  54                     self.body.write("\n\n[...]\n\n")
  55                 line += 1
  56         else:
  57             util.sendfile(open(log), self.body)
  58
  59     def set_std_headers(self):
  60         self.headers["Date"] = time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime())
  61         self.headers["Message-ID"] = "<pld-builder.%f.%d@%s>" \
  62                 % (time.time(), os.getpid(), os.uname()[1])
  63         self.headers["From"] = "PLD %s builder <%s>" \
  64                 % (config.builder, config.email)
  65         self.headers["X-PLD-Builder"] = config.builder
  66
  67     def write_to(self, f):
  68         for k, v in self.headers.items():
  69             f.write("%s: %s\n" % (k, v))
  70         f.write("\n")
  71         self.body.seek(0)
  72         util.sendfile(self.body, f)
  73
  74     def send(self):
  75         send_sendmail = "/usr/sbin/sendmail -i -t -f %s" % config.admin_email
  76         f = os.popen(send_sendmail, "w")
  77         self.write_to(f)
  78         f.close()