mail.py
159 lines
| 5.9 KiB
| text/x-python
|
PythonLexer
/ mercurial / mail.py
|
r2889 | # mail.py - mail sending bits for mercurial | ||
# | ||||
# Copyright 2006 Matt Mackall <mpm@selenic.com> | ||||
# | ||||
# This software may be used and distributed according to the terms | ||||
# of the GNU General Public License, incorporated herein by reference. | ||||
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r3891 | from i18n import _ | ||
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r6548 | import os, smtplib, socket | ||
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r7114 | import email.Header, email.MIMEText, email.Utils | ||
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r6548 | import util | ||
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r2889 | |||
def _smtp(ui): | ||||
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r5973 | '''build an smtp connection and return a function to send mail''' | ||
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r2889 | local_hostname = ui.config('smtp', 'local_hostname') | ||
s = smtplib.SMTP(local_hostname=local_hostname) | ||||
mailhost = ui.config('smtp', 'host') | ||||
if not mailhost: | ||||
raise util.Abort(_('no [smtp]host in hgrc - cannot send mail')) | ||||
mailport = int(ui.config('smtp', 'port', 25)) | ||||
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r2964 | ui.note(_('sending mail: smtp host %s, port %s\n') % | ||
(mailhost, mailport)) | ||||
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r2889 | s.connect(host=mailhost, port=mailport) | ||
if ui.configbool('smtp', 'tls'): | ||||
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r4093 | if not hasattr(socket, 'ssl'): | ||
raise util.Abort(_("can't use TLS: Python SSL support " | ||||
"not installed")) | ||||
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r2889 | ui.note(_('(using tls)\n')) | ||
s.ehlo() | ||||
s.starttls() | ||||
s.ehlo() | ||||
username = ui.config('smtp', 'username') | ||||
password = ui.config('smtp', 'password') | ||||
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r5749 | if username and not password: | ||
password = ui.getpass() | ||||
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r2889 | if username and password: | ||
ui.note(_('(authenticating to mail server as %s)\n') % | ||||
(username)) | ||||
s.login(username, password) | ||||
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r5973 | def send(sender, recipients, msg): | ||
try: | ||||
return s.sendmail(sender, recipients, msg) | ||||
except smtplib.SMTPRecipientsRefused, inst: | ||||
recipients = [r[1] for r in inst.recipients.values()] | ||||
raise util.Abort('\n' + '\n'.join(recipients)) | ||||
except smtplib.SMTPException, inst: | ||||
raise util.Abort(inst) | ||||
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r5947 | |||
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r5973 | return send | ||
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r5947 | |||
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r5973 | def _sendmail(ui, sender, recipients, msg): | ||
'''send mail using sendmail.''' | ||||
program = ui.config('email', 'method') | ||||
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r5975 | cmdline = '%s -f %s %s' % (program, util.email(sender), | ||
' '.join(map(util.email, recipients))) | ||||
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r5973 | ui.note(_('sending mail: %s\n') % cmdline) | ||
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r6548 | fp = util.popen(cmdline, 'w') | ||
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r5973 | fp.write(msg) | ||
ret = fp.close() | ||||
if ret: | ||||
raise util.Abort('%s %s' % ( | ||||
os.path.basename(program.split(None, 1)[0]), | ||||
util.explain_exit(ret)[0])) | ||||
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r2889 | |||
def connect(ui): | ||||
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r5973 | '''make a mail connection. return a function to send mail. | ||
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r2889 | call as sendmail(sender, list-of-recipients, msg).''' | ||
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r5973 | if ui.config('email', 'method', 'smtp') == 'smtp': | ||
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r5947 | return _smtp(ui) | ||
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r5973 | return lambda s, r, m: _sendmail(ui, s, r, m) | ||
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r2889 | |||
def sendmail(ui, sender, recipients, msg): | ||||
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r5973 | send = connect(ui) | ||
return send(sender, recipients, msg) | ||||
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r4489 | |||
def validateconfig(ui): | ||||
'''determine if we have enough config data to try sending email.''' | ||||
method = ui.config('email', 'method', 'smtp') | ||||
if method == 'smtp': | ||||
if not ui.config('smtp', 'host'): | ||||
raise util.Abort(_('smtp specified as email transport, ' | ||||
'but no smtp host configured')) | ||||
else: | ||||
if not util.find_exe(method): | ||||
raise util.Abort(_('%r specified as email transport, ' | ||||
'but not in PATH') % method) | ||||
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r7114 | |||
def _charsets(ui): | ||||
'''Obtains charsets to send mail parts not containing patches.''' | ||||
charsets = [cs.lower() for cs in ui.configlist('email', 'charsets')] | ||||
fallbacks = [util._fallbackencoding.lower(), | ||||
util._encoding.lower(), 'utf-8'] | ||||
for cs in fallbacks: # util.unique does not keep order | ||||
if cs not in charsets: | ||||
charsets.append(cs) | ||||
return [cs for cs in charsets if not cs.endswith('ascii')] | ||||
def _encode(ui, s, charsets): | ||||
'''Returns (converted) string, charset tuple. | ||||
Finds out best charset by cycling through sendcharsets in descending | ||||
order. Tries both _encoding and _fallbackencoding for input. Only as | ||||
last resort send as is in fake ascii. | ||||
Caveat: Do not use for mail parts containing patches!''' | ||||
try: | ||||
s.decode('ascii') | ||||
except UnicodeDecodeError: | ||||
sendcharsets = charsets or _charsets(ui) | ||||
for ics in (util._encoding, util._fallbackencoding): | ||||
try: | ||||
u = s.decode(ics) | ||||
except UnicodeDecodeError: | ||||
continue | ||||
for ocs in sendcharsets: | ||||
try: | ||||
return u.encode(ocs), ocs | ||||
except UnicodeEncodeError: | ||||
pass | ||||
except LookupError: | ||||
ui.warn(_('ignoring invalid sendcharset: %s\n') % cs) | ||||
# if ascii, or all conversion attempts fail, send (broken) ascii | ||||
return s, 'us-ascii' | ||||
def headencode(ui, s, charsets=None, display=False): | ||||
'''Returns RFC-2047 compliant header from given string.''' | ||||
if not display: | ||||
# split into words? | ||||
s, cs = _encode(ui, s, charsets) | ||||
return str(email.Header.Header(s, cs)) | ||||
return s | ||||
def addressencode(ui, address, charsets=None, display=False): | ||||
'''Turns address into RFC-2047 compliant header.''' | ||||
if display or not address: | ||||
return address or '' | ||||
name, addr = email.Utils.parseaddr(address) | ||||
name = headencode(ui, name, charsets) | ||||
try: | ||||
acc, dom = addr.split('@') | ||||
acc = acc.encode('ascii') | ||||
dom = dom.encode('idna') | ||||
addr = '%s@%s' % (acc, dom) | ||||
except UnicodeDecodeError: | ||||
raise util.Abort(_('invalid email address: %s') % addr) | ||||
except ValueError: | ||||
try: | ||||
# too strict? | ||||
addr = addr.encode('ascii') | ||||
except UnicodeDecodeError: | ||||
raise util.Abort(_('invalid local address: %s') % addr) | ||||
return email.Utils.formataddr((name, addr)) | ||||
def mimeencode(ui, s, charsets=None, display=False): | ||||
'''creates mime text object, encodes it if needed, and sets | ||||
charset and transfer-encoding accordingly.''' | ||||
cs = 'us-ascii' | ||||
if not display: | ||||
s, cs = _encode(ui, s, charsets) | ||||
return email.MIMEText.MIMEText(s, 'plain', cs) | ||||