Mercurial > hg
annotate mercurial/mail.py @ 37296:78103e4138b1
wireproto: port protocol handler to zope.interface
zope.interface is superior to the abc module. Let's port to it.
As part of this, we add tests for interface conformance for
classes implementing the interface.
Differential Revision: https://phab.mercurial-scm.org/D2983
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Fri, 23 Mar 2018 16:24:53 -0700 |
parents | a8a902d7176e |
children | 00e4bd97b095 |
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 email.charset |
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12 import email.header |
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13 import email.message |
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14 import os |
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15 import smtplib |
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16 import socket |
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17 import time |
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18 |
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19 from .i18n import _ |
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20 from . import ( |
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21 encoding, |
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22 error, |
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23 pycompat, |
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24 sslutil, |
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25 util, |
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26 ) |
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27 from .utils import ( |
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28 procutil, |
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29 stringutil, |
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30 ) |
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31 |
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32 class STARTTLS(smtplib.SMTP): |
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33 '''Derived class to verify the peer certificate for STARTTLS. |
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34 |
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35 This class allows to pass any keyword arguments to SSL socket creation. |
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36 ''' |
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37 def __init__(self, ui, host=None, **kwargs): |
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38 smtplib.SMTP.__init__(self, **kwargs) |
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39 self._ui = ui |
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40 self._host = host |
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41 |
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42 def starttls(self, keyfile=None, certfile=None): |
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43 if not self.has_extn("starttls"): |
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44 msg = "STARTTLS extension not supported by server" |
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45 raise smtplib.SMTPException(msg) |
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46 (resp, reply) = self.docmd("STARTTLS") |
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47 if resp == 220: |
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48 self.sock = sslutil.wrapsocket(self.sock, keyfile, certfile, |
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49 ui=self._ui, |
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50 serverhostname=self._host) |
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51 self.file = smtplib.SSLFakeFile(self.sock) |
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52 self.helo_resp = None |
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53 self.ehlo_resp = None |
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54 self.esmtp_features = {} |
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55 self.does_esmtp = 0 |
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56 return (resp, reply) |
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57 |
26673 | 58 class SMTPS(smtplib.SMTP): |
59 '''Derived class to verify the peer certificate for SMTPS. | |
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60 |
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62 ''' | |
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63 def __init__(self, ui, keyfile=None, certfile=None, host=None, |
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64 **kwargs): |
26673 | 65 self.keyfile = keyfile |
66 self.certfile = certfile | |
67 smtplib.SMTP.__init__(self, **kwargs) | |
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68 self._host = host |
26673 | 69 self.default_port = smtplib.SMTP_SSL_PORT |
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70 self._ui = ui |
26673 | 71 |
72 def _get_socket(self, host, port, timeout): | |
73 if self.debuglevel > 0: | |
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74 self._ui.debug('connect: %r\n' % (host, port)) |
26673 | 75 new_socket = socket.create_connection((host, port), timeout) |
76 new_socket = sslutil.wrapsocket(new_socket, | |
77 self.keyfile, self.certfile, | |
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78 ui=self._ui, |
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79 serverhostname=self._host) |
26673 | 80 self.file = smtplib.SSLFakeFile(new_socket) |
81 return new_socket | |
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82 |
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83 def _smtp(ui): |
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84 '''build an smtp connection and return a function to send mail''' |
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85 local_hostname = ui.config('smtp', 'local_hostname') |
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86 tls = ui.config('smtp', 'tls') |
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87 # backward compatible: when tls = true, we use starttls. |
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88 starttls = tls == 'starttls' or stringutil.parsebool(tls) |
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89 smtps = tls == 'smtps' |
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90 if (starttls or smtps) and not util.safehasattr(socket, 'ssl'): |
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91 raise error.Abort(_("can't use TLS: Python SSL support not installed")) |
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92 mailhost = ui.config('smtp', 'host') |
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93 if not mailhost: |
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94 raise error.Abort(_('smtp.host not configured - cannot send mail')) |
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95 if smtps: |
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96 ui.note(_('(using smtps)\n')) |
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97 s = SMTPS(ui, local_hostname=local_hostname, host=mailhost) |
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98 elif starttls: |
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99 s = STARTTLS(ui, local_hostname=local_hostname, host=mailhost) |
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100 else: |
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101 s = smtplib.SMTP(local_hostname=local_hostname) |
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102 if smtps: |
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103 defaultport = 465 |
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104 else: |
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105 defaultport = 25 |
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106 mailport = util.getport(ui.config('smtp', 'port', defaultport)) |
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107 ui.note(_('sending mail: smtp host %s, port %d\n') % |
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108 (mailhost, mailport)) |
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109 s.connect(host=mailhost, port=mailport) |
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110 if starttls: |
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111 ui.note(_('(using starttls)\n')) |
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112 s.ehlo() |
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113 s.starttls() |
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114 s.ehlo() |
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115 if starttls or smtps: |
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116 ui.note(_('(verifying remote certificate)\n')) |
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117 sslutil.validatesocket(s.sock) |
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118 username = ui.config('smtp', 'username') |
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119 password = ui.config('smtp', 'password') |
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120 if username and not password: |
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121 password = ui.getpass() |
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122 if username and password: |
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123 ui.note(_('(authenticating to mail server as %s)\n') % |
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124 (username)) |
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125 try: |
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126 s.login(username, password) |
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127 except smtplib.SMTPException as inst: |
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128 raise error.Abort(inst) |
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129 |
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130 def send(sender, recipients, msg): |
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131 try: |
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132 return s.sendmail(sender, recipients, msg) |
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133 except smtplib.SMTPRecipientsRefused as inst: |
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134 recipients = [r[1] for r in inst.recipients.values()] |
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135 raise error.Abort('\n' + '\n'.join(recipients)) |
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136 except smtplib.SMTPException as inst: |
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137 raise error.Abort(inst) |
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138 |
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139 return send |
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140 |
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141 def _sendmail(ui, sender, recipients, msg): |
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142 '''send mail using sendmail.''' |
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143 program = ui.config('email', 'method') |
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144 cmdline = '%s -f %s %s' % (program, stringutil.email(sender), |
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145 ' '.join(map(stringutil.email, recipients))) |
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146 ui.note(_('sending mail: %s\n') % cmdline) |
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147 fp = procutil.popen(cmdline, 'w') |
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148 fp.write(msg) |
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149 ret = fp.close() |
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150 if ret: |
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151 raise error.Abort('%s %s' % ( |
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152 os.path.basename(program.split(None, 1)[0]), |
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153 procutil.explainexit(ret)[0])) |
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154 |
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155 def _mbox(mbox, sender, recipients, msg): |
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156 '''write mails to mbox''' |
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157 fp = open(mbox, 'ab+') |
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158 # Should be time.asctime(), but Windows prints 2-characters day |
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159 # of month instead of one. Make them print the same thing. |
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160 date = time.strftime(r'%a %b %d %H:%M:%S %Y', time.localtime()) |
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161 fp.write('From %s %s\n' % (sender, date)) |
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162 fp.write(msg) |
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163 fp.write('\n\n') |
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164 fp.close() |
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165 |
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166 def connect(ui, mbox=None): |
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167 '''make a mail connection. return a function to send mail. |
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168 call as sendmail(sender, list-of-recipients, msg).''' |
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169 if mbox: |
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170 open(mbox, 'wb').close() |
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171 return lambda s, r, m: _mbox(mbox, s, r, m) |
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172 if ui.config('email', 'method') == 'smtp': |
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173 return _smtp(ui) |
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174 return lambda s, r, m: _sendmail(ui, s, r, m) |
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175 |
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176 def sendmail(ui, sender, recipients, msg, mbox=None): |
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177 send = connect(ui, mbox=mbox) |
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178 return send(sender, recipients, msg) |
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179 |
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180 def validateconfig(ui): |
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181 '''determine if we have enough config data to try sending email.''' |
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182 method = ui.config('email', 'method') |
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183 if method == 'smtp': |
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184 if not ui.config('smtp', 'host'): |
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185 raise error.Abort(_('smtp specified as email transport, ' |
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186 'but no smtp host configured')) |
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187 else: |
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188 if not procutil.findexe(method): |
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189 raise error.Abort(_('%r specified as email transport, ' |
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190 'but not in PATH') % method) |
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191 |
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192 def codec2iana(cs): |
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193 '''''' |
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194 cs = pycompat.sysbytes(email.charset.Charset(cs).input_charset.lower()) |
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195 |
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196 # "latin1" normalizes to "iso8859-1", standard calls for "iso-8859-1" |
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197 if cs.startswith("iso") and not cs.startswith("iso-"): |
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198 return "iso-" + cs[3:] |
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199 return cs |
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200 |
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201 def mimetextpatch(s, subtype='plain', display=False): |
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202 '''Return MIME message suitable for a patch. |
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203 Charset will be detected by first trying to decode as us-ascii, then utf-8, |
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204 and finally the global encodings. If all those fail, fall back to |
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205 ISO-8859-1, an encoding with that allows all byte sequences. |
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206 Transfer encodings will be used if necessary.''' |
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207 |
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208 cs = ['us-ascii', 'utf-8', encoding.encoding, encoding.fallbackencoding] |
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209 if display: |
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210 return mimetextqp(s, subtype, 'us-ascii') |
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211 for charset in cs: |
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212 try: |
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213 s.decode(pycompat.sysstr(charset)) |
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214 return mimetextqp(s, subtype, codec2iana(charset)) |
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215 except UnicodeDecodeError: |
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216 pass |
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217 |
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218 return mimetextqp(s, subtype, "iso-8859-1") |
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219 |
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220 def mimetextqp(body, subtype, charset): |
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221 '''Return MIME message. |
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222 Quoted-printable transfer encoding will be used if necessary. |
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223 ''' |
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224 cs = email.charset.Charset(charset) |
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225 msg = email.message.Message() |
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226 msg.set_type(pycompat.sysstr('text/' + subtype)) |
34310
2d0c306a88c2
mail: encode long unicode lines in emails properly (issue5687)
Igor Ippolitov <iippolitov@gmail.com>
parents:
33499
diff
changeset
|
227 |
15562
a82b6038ff08
mail: use quoted-printable for mime encoding to avoid too long lines (issue3075)
Mads Kiilerich <mads@kiilerich.com>
parents:
15561
diff
changeset
|
228 for line in body.splitlines(): |
a82b6038ff08
mail: use quoted-printable for mime encoding to avoid too long lines (issue3075)
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parents:
15561
diff
changeset
|
229 if len(line) > 950: |
34310
2d0c306a88c2
mail: encode long unicode lines in emails properly (issue5687)
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parents:
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diff
changeset
|
230 cs.body_encoding = email.charset.QP |
15562
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mail: use quoted-printable for mime encoding to avoid too long lines (issue3075)
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parents:
15561
diff
changeset
|
231 break |
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parents:
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diff
changeset
|
232 |
34310
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parents:
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diff
changeset
|
233 msg.set_payload(body, cs) |
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parents:
33499
diff
changeset
|
234 |
8332
3e544c074459
patchbomb: quoted-printable encode overly long lines
Rocco Rutte <pdmef@gmx.net>
parents:
8312
diff
changeset
|
235 return msg |
7191
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mail: mime-encode patches that are utf-8
Christian Ebert <blacktrash@gmx.net>
parents:
7114
diff
changeset
|
236 |
7114
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changeset
|
237 def _charsets(ui): |
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238 '''Obtains charsets to send mail parts not containing patches.''' |
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|
239 charsets = [cs.lower() for cs in ui.configlist('email', 'charsets')] |
7948
de377b1a9a84
move encoding bits from util to encoding
Matt Mackall <mpm@selenic.com>
parents:
7195
diff
changeset
|
240 fallbacks = [encoding.fallbackencoding.lower(), |
de377b1a9a84
move encoding bits from util to encoding
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parents:
7195
diff
changeset
|
241 encoding.encoding.lower(), 'utf-8'] |
8343 | 242 for cs in fallbacks: # find unique charsets while keeping order |
7114
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|
243 if cs not in charsets: |
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244 charsets.append(cs) |
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245 return [cs for cs in charsets if not cs.endswith('ascii')] |
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parents:
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changeset
|
246 |
30e49d54c537
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changeset
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247 def _encode(ui, s, charsets): |
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248 '''Returns (converted) string, charset tuple. |
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changeset
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249 Finds out best charset by cycling through sendcharsets in descending |
7948
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diff
changeset
|
250 order. Tries both encoding and fallbackencoding for input. Only as |
7114
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diff
changeset
|
251 last resort send as is in fake ascii. |
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252 Caveat: Do not use for mail parts containing patches!''' |
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changeset
|
253 try: |
30e49d54c537
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diff
changeset
|
254 s.decode('ascii') |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
255 except UnicodeDecodeError: |
30e49d54c537
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parents:
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diff
changeset
|
256 sendcharsets = charsets or _charsets(ui) |
7948
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move encoding bits from util to encoding
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7195
diff
changeset
|
257 for ics in (encoding.encoding, encoding.fallbackencoding): |
7114
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parents:
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diff
changeset
|
258 try: |
30e49d54c537
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diff
changeset
|
259 u = s.decode(ics) |
30e49d54c537
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changeset
|
260 except UnicodeDecodeError: |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
261 continue |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
262 for ocs in sendcharsets: |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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changeset
|
263 try: |
30e49d54c537
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parents:
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diff
changeset
|
264 return u.encode(ocs), ocs |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
265 except UnicodeEncodeError: |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
266 pass |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
6548
diff
changeset
|
267 except LookupError: |
7195
9fabcb1fe68d
mail: correct typo in variable name
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parents:
7191
diff
changeset
|
268 ui.warn(_('ignoring invalid sendcharset: %s\n') % ocs) |
7114
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parents:
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diff
changeset
|
269 # if ascii, or all conversion attempts fail, send (broken) ascii |
30e49d54c537
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parents:
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diff
changeset
|
270 return s, 'us-ascii' |
30e49d54c537
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diff
changeset
|
271 |
30e49d54c537
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diff
changeset
|
272 def headencode(ui, s, charsets=None, display=False): |
30e49d54c537
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|
273 '''Returns RFC-2047 compliant header from given string.''' |
30e49d54c537
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parents:
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diff
changeset
|
274 if not display: |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
275 # split into words? |
30e49d54c537
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6548
diff
changeset
|
276 s, cs = _encode(ui, s, charsets) |
30072
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mail: handle renamed email.Header
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parents:
29285
diff
changeset
|
277 return str(email.header.Header(s, cs)) |
7114
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parents:
6548
diff
changeset
|
278 return s |
30e49d54c537
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parents:
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diff
changeset
|
279 |
9948
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mail: add parseaddrlist() function for parsing many addresses at once
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parents:
9715
diff
changeset
|
280 def _addressencode(ui, name, addr, charsets=None): |
7114
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parents:
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diff
changeset
|
281 name = headencode(ui, name, charsets) |
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parents:
6548
diff
changeset
|
282 try: |
30e49d54c537
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parents:
6548
diff
changeset
|
283 acc, dom = addr.split('@') |
30e49d54c537
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parents:
6548
diff
changeset
|
284 acc = acc.encode('ascii') |
9715
f0e99a2eac76
patchbomb: fix handling of email addresses with Unicode domains (IDNA)
Marti Raudsepp <marti@juffo.org>
parents:
9246
diff
changeset
|
285 dom = dom.decode(encoding.encoding).encode('idna') |
7114
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diff
changeset
|
286 addr = '%s@%s' % (acc, dom) |
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parents:
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diff
changeset
|
287 except UnicodeDecodeError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26098
diff
changeset
|
288 raise error.Abort(_('invalid email address: %s') % addr) |
7114
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parents:
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diff
changeset
|
289 except ValueError: |
30e49d54c537
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parents:
6548
diff
changeset
|
290 try: |
30e49d54c537
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parents:
6548
diff
changeset
|
291 # too strict? |
30e49d54c537
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parents:
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diff
changeset
|
292 addr = addr.encode('ascii') |
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parents:
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diff
changeset
|
293 except UnicodeDecodeError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26098
diff
changeset
|
294 raise error.Abort(_('invalid local address: %s') % addr) |
36120
54dfb65e2f82
mail: import email.utils not email.Utils
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36119
diff
changeset
|
295 return email.utils.formataddr((name, addr)) |
7114
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diff
changeset
|
296 |
9948
e5b44a7986d0
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Marti Raudsepp <marti@juffo.org>
parents:
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diff
changeset
|
297 def addressencode(ui, address, charsets=None, display=False): |
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|
298 '''Turns address into RFC-2047 compliant header.''' |
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diff
changeset
|
299 if display or not address: |
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diff
changeset
|
300 return address or '' |
36120
54dfb65e2f82
mail: import email.utils not email.Utils
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parents:
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diff
changeset
|
301 name, addr = email.utils.parseaddr(address) |
9948
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diff
changeset
|
302 return _addressencode(ui, name, addr, charsets) |
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diff
changeset
|
303 |
e5b44a7986d0
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diff
changeset
|
304 def addrlistencode(ui, addrs, charsets=None, display=False): |
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diff
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|
305 '''Turns a list of addresses into a list of RFC-2047 compliant headers. |
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diff
changeset
|
306 A single element of input list may contain multiple addresses, but output |
e5b44a7986d0
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parents:
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diff
changeset
|
307 always has one address per item''' |
e5b44a7986d0
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diff
changeset
|
308 if display: |
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diff
changeset
|
309 return [a.strip() for a in addrs if a.strip()] |
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parents:
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diff
changeset
|
310 |
e5b44a7986d0
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parents:
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diff
changeset
|
311 result = [] |
36120
54dfb65e2f82
mail: import email.utils not email.Utils
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36119
diff
changeset
|
312 for name, addr in email.utils.getaddresses(addrs): |
9948
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parents:
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diff
changeset
|
313 if name or addr: |
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diff
changeset
|
314 result.append(_addressencode(ui, name, addr, charsets)) |
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diff
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|
315 return result |
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diff
changeset
|
316 |
7114
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diff
changeset
|
317 def mimeencode(ui, s, charsets=None, display=False): |
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|
318 '''creates mime text object, encodes it if needed, and sets |
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diff
changeset
|
319 charset and transfer-encoding accordingly.''' |
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diff
changeset
|
320 cs = 'us-ascii' |
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6548
diff
changeset
|
321 if not display: |
30e49d54c537
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parents:
6548
diff
changeset
|
322 s, cs = _encode(ui, s, charsets) |
15562
a82b6038ff08
mail: use quoted-printable for mime encoding to avoid too long lines (issue3075)
Mads Kiilerich <mads@kiilerich.com>
parents:
15561
diff
changeset
|
323 return mimetextqp(s, 'plain', cs) |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
324 |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
325 def headdecode(s): |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
326 '''Decodes RFC-2047 header''' |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
327 uparts = [] |
30072
87b8e40eb812
mail: handle renamed email.Header
Pulkit Goyal <7895pulkit@gmail.com>
parents:
29285
diff
changeset
|
328 for part, charset in email.header.decode_header(s): |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
329 if charset is not None: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
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diff
changeset
|
330 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
331 uparts.append(part.decode(charset)) |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
332 continue |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
333 except UnicodeDecodeError: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
334 pass |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
335 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
336 uparts.append(part.decode('UTF-8')) |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
337 continue |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
338 except UnicodeDecodeError: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
339 pass |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
340 uparts.append(part.decode('ISO-8859-1')) |
31447
067add650129
encoding: factor out unicode variants of from/tolocal()
Yuya Nishihara <yuya@tcha.org>
parents:
30325
diff
changeset
|
341 return encoding.unitolocal(u' '.join(uparts)) |