Mercurial > hg
annotate mercurial/mail.py @ 26289:c4b667a7a51d
tests: add unit tests for locking code
We're going to make significant changes to lock behavior soon.
author | Siddharth Agarwal <sid0@fb.com> |
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date | Thu, 17 Sep 2015 15:38:00 -0700 |
parents | ce26928cbe41 |
children | 56b2bcea2529 |
rev | line source |
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1 # mail.py - mail sending bits for mercurial |
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2 # |
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3 # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import email |
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11 import os |
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12 import quopri |
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13 import smtplib |
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14 import socket |
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15 import sys |
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16 import time |
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17 |
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18 from .i18n import _ |
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19 from . import ( |
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20 encoding, |
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21 sslutil, |
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22 util, |
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23 ) |
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24 |
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25 _oldheaderinit = email.Header.Header.__init__ |
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26 def _unifiedheaderinit(self, *args, **kw): |
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27 """ |
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28 Python 2.7 introduces a backwards incompatible change |
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29 (Python issue1974, r70772) in email.Generator.Generator code: |
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30 pre-2.7 code passed "continuation_ws='\t'" to the Header |
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31 constructor, and 2.7 removed this parameter. |
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32 |
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33 Default argument is continuation_ws=' ', which means that the |
26098 | 34 behavior is different in <2.7 and 2.7 |
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35 |
26098 | 36 We consider the 2.7 behavior to be preferable, but need |
37 to have an unified behavior for versions 2.4 to 2.7 | |
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38 """ |
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39 # override continuation_ws |
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40 kw['continuation_ws'] = ' ' |
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41 _oldheaderinit(self, *args, **kw) |
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42 |
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43 email.Header.Header.__dict__['__init__'] = _unifiedheaderinit |
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44 |
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45 class STARTTLS(smtplib.SMTP): |
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46 '''Derived class to verify the peer certificate for STARTTLS. |
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47 |
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48 This class allows to pass any keyword arguments to SSL socket creation. |
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49 ''' |
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50 def __init__(self, sslkwargs, **kwargs): |
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51 smtplib.SMTP.__init__(self, **kwargs) |
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52 self._sslkwargs = sslkwargs |
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53 |
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54 def starttls(self, keyfile=None, certfile=None): |
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55 if not self.has_extn("starttls"): |
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56 msg = "STARTTLS extension not supported by server" |
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57 raise smtplib.SMTPException(msg) |
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58 (resp, reply) = self.docmd("STARTTLS") |
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59 if resp == 220: |
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60 self.sock = sslutil.wrapsocket(self.sock, keyfile, certfile, |
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61 **self._sslkwargs) |
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62 if not util.safehasattr(self.sock, "read"): |
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63 # using httplib.FakeSocket with Python 2.5.x or earlier |
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64 self.sock.read = self.sock.recv |
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65 self.file = smtplib.SSLFakeFile(self.sock) |
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66 self.helo_resp = None |
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67 self.ehlo_resp = None |
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68 self.esmtp_features = {} |
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69 self.does_esmtp = 0 |
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70 return (resp, reply) |
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71 |
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72 if util.safehasattr(smtplib.SMTP, '_get_socket'): |
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73 class SMTPS(smtplib.SMTP): |
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74 '''Derived class to verify the peer certificate for SMTPS. |
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75 |
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76 This class allows to pass any keyword arguments to SSL socket creation. |
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77 ''' |
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78 def __init__(self, sslkwargs, keyfile=None, certfile=None, **kwargs): |
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79 self.keyfile = keyfile |
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80 self.certfile = certfile |
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81 smtplib.SMTP.__init__(self, **kwargs) |
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82 self.default_port = smtplib.SMTP_SSL_PORT |
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83 self._sslkwargs = sslkwargs |
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84 |
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85 def _get_socket(self, host, port, timeout): |
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86 if self.debuglevel > 0: |
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87 print >> sys.stderr, 'connect:', (host, port) |
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88 new_socket = socket.create_connection((host, port), timeout) |
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89 new_socket = sslutil.wrapsocket(new_socket, |
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90 self.keyfile, self.certfile, |
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91 **self._sslkwargs) |
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92 self.file = smtplib.SSLFakeFile(new_socket) |
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93 return new_socket |
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94 else: |
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95 def SMTPS(sslkwargs, keyfile=None, certfile=None, **kwargs): |
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96 raise util.Abort(_('SMTPS requires Python 2.6 or later')) |
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97 |
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98 def _smtp(ui): |
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99 '''build an smtp connection and return a function to send mail''' |
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100 local_hostname = ui.config('smtp', 'local_hostname') |
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101 tls = ui.config('smtp', 'tls', 'none') |
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102 # backward compatible: when tls = true, we use starttls. |
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103 starttls = tls == 'starttls' or util.parsebool(tls) |
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104 smtps = tls == 'smtps' |
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105 if (starttls or smtps) and not util.safehasattr(socket, 'ssl'): |
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106 raise util.Abort(_("can't use TLS: Python SSL support not installed")) |
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107 mailhost = ui.config('smtp', 'host') |
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108 if not mailhost: |
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109 raise util.Abort(_('smtp.host not configured - cannot send mail')) |
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110 verifycert = ui.config('smtp', 'verifycert', 'strict') |
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111 if verifycert not in ['strict', 'loose']: |
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112 if util.parsebool(verifycert) is not False: |
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113 raise util.Abort(_('invalid smtp.verifycert configuration: %s') |
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114 % (verifycert)) |
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115 verifycert = False |
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116 if (starttls or smtps) and verifycert: |
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117 sslkwargs = sslutil.sslkwargs(ui, mailhost) |
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118 else: |
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119 # 'ui' is required by sslutil.wrapsocket() and set by sslkwargs() |
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120 sslkwargs = {'ui': ui} |
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121 if smtps: |
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122 ui.note(_('(using smtps)\n')) |
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123 s = SMTPS(sslkwargs, local_hostname=local_hostname) |
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124 elif starttls: |
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125 s = STARTTLS(sslkwargs, local_hostname=local_hostname) |
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126 else: |
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127 s = smtplib.SMTP(local_hostname=local_hostname) |
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128 if smtps: |
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129 defaultport = 465 |
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130 else: |
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131 defaultport = 25 |
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132 mailport = util.getport(ui.config('smtp', 'port', defaultport)) |
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133 ui.note(_('sending mail: smtp host %s, port %s\n') % |
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134 (mailhost, mailport)) |
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135 s.connect(host=mailhost, port=mailport) |
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136 if starttls: |
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137 ui.note(_('(using starttls)\n')) |
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138 s.ehlo() |
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139 s.starttls() |
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140 s.ehlo() |
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141 if (starttls or smtps) and verifycert: |
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142 ui.note(_('(verifying remote certificate)\n')) |
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143 sslutil.validator(ui, mailhost)(s.sock, verifycert == 'strict') |
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144 username = ui.config('smtp', 'username') |
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145 password = ui.config('smtp', 'password') |
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146 if username and not password: |
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147 password = ui.getpass() |
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148 if username and password: |
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149 ui.note(_('(authenticating to mail server as %s)\n') % |
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150 (username)) |
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|
151 try: |
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152 s.login(username, password) |
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153 except smtplib.SMTPException as inst: |
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154 raise util.Abort(inst) |
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155 |
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156 def send(sender, recipients, msg): |
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157 try: |
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158 return s.sendmail(sender, recipients, msg) |
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159 except smtplib.SMTPRecipientsRefused as inst: |
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160 recipients = [r[1] for r in inst.recipients.values()] |
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161 raise util.Abort('\n' + '\n'.join(recipients)) |
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162 except smtplib.SMTPException as inst: |
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|
163 raise util.Abort(inst) |
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164 |
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165 return send |
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166 |
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167 def _sendmail(ui, sender, recipients, msg): |
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|
168 '''send mail using sendmail.''' |
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169 program = ui.config('email', 'method', 'smtp') |
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170 cmdline = '%s -f %s %s' % (program, util.email(sender), |
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171 ' '.join(map(util.email, recipients))) |
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|
172 ui.note(_('sending mail: %s\n') % cmdline) |
6548
962eb403165b
replace usage of os.popen() with util.popen()
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changeset
|
173 fp = util.popen(cmdline, 'w') |
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|
174 fp.write(msg) |
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|
175 ret = fp.close() |
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|
176 if ret: |
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|
177 raise util.Abort('%s %s' % ( |
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|
178 os.path.basename(program.split(None, 1)[0]), |
14234
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rename explain_exit to explainexit
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diff
changeset
|
179 util.explainexit(ret)[0])) |
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180 |
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181 def _mbox(mbox, sender, recipients, msg): |
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182 '''write mails to mbox''' |
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|
183 fp = open(mbox, 'ab+') |
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|
184 # Should be time.asctime(), but Windows prints 2-characters day |
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|
185 # of month instead of one. Make them print the same thing. |
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changeset
|
186 date = time.strftime('%a %b %d %H:%M:%S %Y', time.localtime()) |
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|
187 fp.write('From %s %s\n' % (sender, date)) |
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188 fp.write(msg) |
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189 fp.write('\n\n') |
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190 fp.close() |
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191 |
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|
192 def connect(ui, mbox=None): |
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193 '''make a mail connection. return a function to send mail. |
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194 call as sendmail(sender, list-of-recipients, msg).''' |
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195 if mbox: |
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196 open(mbox, 'wb').close() |
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197 return lambda s, r, m: _mbox(mbox, s, r, m) |
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198 if ui.config('email', 'method', 'smtp') == 'smtp': |
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199 return _smtp(ui) |
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200 return lambda s, r, m: _sendmail(ui, s, r, m) |
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changeset
|
201 |
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|
202 def sendmail(ui, sender, recipients, msg, mbox=None): |
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203 send = connect(ui, mbox=mbox) |
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|
204 return send(sender, recipients, msg) |
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205 |
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|
206 def validateconfig(ui): |
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|
207 '''determine if we have enough config data to try sending email.''' |
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changeset
|
208 method = ui.config('email', 'method', 'smtp') |
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|
209 if method == 'smtp': |
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|
210 if not ui.config('smtp', 'host'): |
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diff
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211 raise util.Abort(_('smtp specified as email transport, ' |
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212 'but no smtp host configured')) |
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213 else: |
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diff
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|
214 if not util.findexe(method): |
4489
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215 raise util.Abort(_('%r specified as email transport, ' |
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216 'but not in PATH') % method) |
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217 |
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218 def mimetextpatch(s, subtype='plain', display=False): |
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219 '''Return MIME message suitable for a patch. |
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220 Charset will be detected as utf-8 or (possibly fake) us-ascii. |
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221 Transfer encodings will be used if necessary.''' |
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222 |
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223 cs = 'us-ascii' |
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224 if not display: |
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225 try: |
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226 s.decode('us-ascii') |
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227 except UnicodeDecodeError: |
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228 try: |
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229 s.decode('utf-8') |
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230 cs = 'utf-8' |
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231 except UnicodeDecodeError: |
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232 # We'll go with us-ascii as a fallback. |
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233 pass |
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234 |
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235 return mimetextqp(s, subtype, cs) |
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236 |
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237 def mimetextqp(body, subtype, charset): |
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238 '''Return MIME message. |
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239 Quoted-printable transfer encoding will be used if necessary. |
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240 ''' |
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241 enc = None |
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242 for line in body.splitlines(): |
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243 if len(line) > 950: |
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244 body = quopri.encodestring(body) |
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245 enc = "quoted-printable" |
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246 break |
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247 |
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248 msg = email.MIMEText.MIMEText(body, subtype, charset) |
8332
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249 if enc: |
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diff
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|
250 del msg['Content-Transfer-Encoding'] |
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251 msg['Content-Transfer-Encoding'] = enc |
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252 return msg |
7191
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253 |
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254 def _charsets(ui): |
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255 '''Obtains charsets to send mail parts not containing patches.''' |
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256 charsets = [cs.lower() for cs in ui.configlist('email', 'charsets')] |
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de377b1a9a84
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diff
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|
257 fallbacks = [encoding.fallbackencoding.lower(), |
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|
258 encoding.encoding.lower(), 'utf-8'] |
8343 | 259 for cs in fallbacks: # find unique charsets while keeping order |
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260 if cs not in charsets: |
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261 charsets.append(cs) |
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262 return [cs for cs in charsets if not cs.endswith('ascii')] |
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263 |
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264 def _encode(ui, s, charsets): |
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265 '''Returns (converted) string, charset tuple. |
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266 Finds out best charset by cycling through sendcharsets in descending |
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267 order. Tries both encoding and fallbackencoding for input. Only as |
7114
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268 last resort send as is in fake ascii. |
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269 Caveat: Do not use for mail parts containing patches!''' |
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270 try: |
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|
271 s.decode('ascii') |
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|
272 except UnicodeDecodeError: |
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273 sendcharsets = charsets or _charsets(ui) |
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274 for ics in (encoding.encoding, encoding.fallbackencoding): |
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275 try: |
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276 u = s.decode(ics) |
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277 except UnicodeDecodeError: |
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|
278 continue |
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|
279 for ocs in sendcharsets: |
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280 try: |
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281 return u.encode(ocs), ocs |
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|
282 except UnicodeEncodeError: |
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|
283 pass |
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284 except LookupError: |
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|
285 ui.warn(_('ignoring invalid sendcharset: %s\n') % ocs) |
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286 # if ascii, or all conversion attempts fail, send (broken) ascii |
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287 return s, 'us-ascii' |
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288 |
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289 def headencode(ui, s, charsets=None, display=False): |
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290 '''Returns RFC-2047 compliant header from given string.''' |
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291 if not display: |
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|
292 # split into words? |
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293 s, cs = _encode(ui, s, charsets) |
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294 return str(email.Header.Header(s, cs)) |
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295 return s |
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296 |
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297 def _addressencode(ui, name, addr, charsets=None): |
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298 name = headencode(ui, name, charsets) |
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299 try: |
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300 acc, dom = addr.split('@') |
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diff
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301 acc = acc.encode('ascii') |
9715
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patchbomb: fix handling of email addresses with Unicode domains (IDNA)
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9246
diff
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|
302 dom = dom.decode(encoding.encoding).encode('idna') |
7114
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303 addr = '%s@%s' % (acc, dom) |
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304 except UnicodeDecodeError: |
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|
305 raise util.Abort(_('invalid email address: %s') % addr) |
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306 except ValueError: |
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|
307 try: |
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|
308 # too strict? |
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309 addr = addr.encode('ascii') |
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310 except UnicodeDecodeError: |
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311 raise util.Abort(_('invalid local address: %s') % addr) |
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312 return email.Utils.formataddr((name, addr)) |
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313 |
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314 def addressencode(ui, address, charsets=None, display=False): |
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315 '''Turns address into RFC-2047 compliant header.''' |
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316 if display or not address: |
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317 return address or '' |
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318 name, addr = email.Utils.parseaddr(address) |
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319 return _addressencode(ui, name, addr, charsets) |
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320 |
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321 def addrlistencode(ui, addrs, charsets=None, display=False): |
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322 '''Turns a list of addresses into a list of RFC-2047 compliant headers. |
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323 A single element of input list may contain multiple addresses, but output |
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324 always has one address per item''' |
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325 if display: |
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326 return [a.strip() for a in addrs if a.strip()] |
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327 |
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328 result = [] |
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329 for name, addr in email.Utils.getaddresses(addrs): |
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330 if name or addr: |
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331 result.append(_addressencode(ui, name, addr, charsets)) |
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332 return result |
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333 |
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mail: add methods to handle non-ascii chars
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334 def mimeencode(ui, s, charsets=None, display=False): |
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335 '''creates mime text object, encodes it if needed, and sets |
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336 charset and transfer-encoding accordingly.''' |
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337 cs = 'us-ascii' |
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338 if not display: |
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339 s, cs = _encode(ui, s, charsets) |
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340 return mimetextqp(s, 'plain', cs) |