def extract_command_from_subject(message):
"""
Returns a command found in the subject of the email.
:param message: An email message.
:type message: :py:class:`email.message.Message` or an object with
an equivalent interface
"""
subject = decode_header(message.get('Subject'))
if not subject:
return []
match = re.match(r'(?:Re\s*:\s*)?(.*)$', subject, re.IGNORECASE)
return ['# Message subject', match.group(1) if match else subject]
def send_response(original_message, message_text, recipient_email, cc=None):
"""
Helper function which sends an email message in response to a control
message.
:param original_message: The received control message.
:type original_message: :py:class:`email.message.Message` or an object with
an equivalent interface
:param message_text: The text which should be included in the body of the
response.
:param cc: A list of emails which should receive a CC of the response.
"""
subject = unfold_header(decode_header(original_message.get('Subject', '')))
if not subject:
subject = 'Your mail'
message_id = unfold_header(original_message.get('Message-ID', ''))
references = unfold_header(original_message.get('References', ''))
if references:
references += ' '
references += message_id
message = EmailMessage(
subject='Re: ' + subject,
to=[unfold_header(original_message['From'])],
cc=cc,
from_email=DISTRO_TRACKER_BOUNCES_EMAIL,
headers={
'From': DISTRO_TRACKER_CONTACT_EMAIL,
'X-Loop': DISTRO_TRACKER_CONTROL_EMAIL,
'References': references,
'In-Reply-To': message_id,
},
body=message_text,
)
logger.info("control => %(to)s %(cc)s", {
'to': recipient_email,
'cc': " ".join(cc) if cc else "",
})
message.send()