1 """

     2 Email backend that writes messages to console instead of sending them.

     3 """

     4 import sys

     5 import threading

     6 

     7 from django.core.mail.backends.base import BaseEmailBackend

     8 

     9 class EmailBackend(BaseEmailBackend):

    10     def __init__(self, *args, **kwargs):

    11         self.stream = kwargs.pop('stream', sys.stdout)

    12         self._lock = threading.RLock()

    13         super(EmailBackend, self).__init__(*args, **kwargs)

    14 

    15     def send_messages(self, email_messages):

    16         """Write all messages to the stream in a thread-safe way."""

    17         if not email_messages:

    18             return

    19         self._lock.acquire()

    20         try:

    21             # The try-except is nested to allow for

    22             # Python 2.4 support (Refs #12147)

    23             try:

    24                 stream_created = self.open()

    25                 for message in email_messages:

    26                     self.stream.write('%s\n' % message.message().as_string())

    27                     self.stream.write('-'*79)

    28                     self.stream.write('\n')

    29                     self.stream.flush()  # flush after each message

    30                 if stream_created:

    31                     self.close()

    32             except:

    33                 if not self.fail_silently:

    34                     raise

    35         finally:

    36             self._lock.release()

    37         return len(email_messages)