Mercurial > hg
annotate mercurial/mail.py @ 33865:af20468eb0a4
merge with stable
author | Sean Farley <sean@farley.io> |
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date | Mon, 21 Aug 2017 21:35:06 -0700 |
parents | 0407a51b9d8c |
children | 2d0c306a88c2 |
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 os |
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14 import quopri |
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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 sslutil, |
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24 util, |
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25 ) |
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26 |
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27 class STARTTLS(smtplib.SMTP): |
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28 '''Derived class to verify the peer certificate for STARTTLS. |
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29 |
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30 This class allows to pass any keyword arguments to SSL socket creation. |
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31 ''' |
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32 def __init__(self, ui, host=None, **kwargs): |
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33 smtplib.SMTP.__init__(self, **kwargs) |
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34 self._ui = ui |
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35 self._host = host |
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36 |
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37 def starttls(self, keyfile=None, certfile=None): |
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38 if not self.has_extn("starttls"): |
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39 msg = "STARTTLS extension not supported by server" |
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40 raise smtplib.SMTPException(msg) |
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41 (resp, reply) = self.docmd("STARTTLS") |
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42 if resp == 220: |
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43 self.sock = sslutil.wrapsocket(self.sock, keyfile, certfile, |
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44 ui=self._ui, |
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45 serverhostname=self._host) |
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46 self.file = smtplib.SSLFakeFile(self.sock) |
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47 self.helo_resp = None |
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48 self.ehlo_resp = None |
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49 self.esmtp_features = {} |
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50 self.does_esmtp = 0 |
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51 return (resp, reply) |
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52 |
26673 | 53 class SMTPS(smtplib.SMTP): |
54 '''Derived class to verify the peer certificate for SMTPS. | |
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55 |
26673 | 56 This class allows to pass any keyword arguments to SSL socket creation. |
57 ''' | |
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58 def __init__(self, ui, keyfile=None, certfile=None, host=None, |
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59 **kwargs): |
26673 | 60 self.keyfile = keyfile |
61 self.certfile = certfile | |
62 smtplib.SMTP.__init__(self, **kwargs) | |
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63 self._host = host |
26673 | 64 self.default_port = smtplib.SMTP_SSL_PORT |
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65 self._ui = ui |
26673 | 66 |
67 def _get_socket(self, host, port, timeout): | |
68 if self.debuglevel > 0: | |
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69 self._ui.debug('connect: %r\n' % (host, port)) |
26673 | 70 new_socket = socket.create_connection((host, port), timeout) |
71 new_socket = sslutil.wrapsocket(new_socket, | |
72 self.keyfile, self.certfile, | |
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73 ui=self._ui, |
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74 serverhostname=self._host) |
26673 | 75 self.file = smtplib.SSLFakeFile(new_socket) |
76 return new_socket | |
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77 |
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78 def _smtp(ui): |
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79 '''build an smtp connection and return a function to send mail''' |
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80 local_hostname = ui.config('smtp', 'local_hostname') |
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81 tls = ui.config('smtp', 'tls') |
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82 # backward compatible: when tls = true, we use starttls. |
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83 starttls = tls == 'starttls' or util.parsebool(tls) |
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84 smtps = tls == 'smtps' |
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85 if (starttls or smtps) and not util.safehasattr(socket, 'ssl'): |
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86 raise error.Abort(_("can't use TLS: Python SSL support not installed")) |
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87 mailhost = ui.config('smtp', 'host') |
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88 if not mailhost: |
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89 raise error.Abort(_('smtp.host not configured - cannot send mail')) |
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90 if smtps: |
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91 ui.note(_('(using smtps)\n')) |
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92 s = SMTPS(ui, local_hostname=local_hostname, host=mailhost) |
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93 elif starttls: |
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94 s = STARTTLS(ui, local_hostname=local_hostname, host=mailhost) |
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95 else: |
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96 s = smtplib.SMTP(local_hostname=local_hostname) |
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97 if smtps: |
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98 defaultport = 465 |
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99 else: |
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100 defaultport = 25 |
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101 mailport = util.getport(ui.config('smtp', 'port', defaultport)) |
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102 ui.note(_('sending mail: smtp host %s, port %d\n') % |
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103 (mailhost, mailport)) |
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104 s.connect(host=mailhost, port=mailport) |
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105 if starttls: |
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106 ui.note(_('(using starttls)\n')) |
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107 s.ehlo() |
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108 s.starttls() |
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109 s.ehlo() |
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110 if starttls or smtps: |
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111 ui.note(_('(verifying remote certificate)\n')) |
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112 sslutil.validatesocket(s.sock) |
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113 username = ui.config('smtp', 'username') |
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114 password = ui.config('smtp', 'password') |
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115 if username and not password: |
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116 password = ui.getpass() |
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117 if username and password: |
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118 ui.note(_('(authenticating to mail server as %s)\n') % |
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119 (username)) |
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120 try: |
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121 s.login(username, password) |
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122 except smtplib.SMTPException as inst: |
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123 raise error.Abort(inst) |
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124 |
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125 def send(sender, recipients, msg): |
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126 try: |
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127 return s.sendmail(sender, recipients, msg) |
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128 except smtplib.SMTPRecipientsRefused as inst: |
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129 recipients = [r[1] for r in inst.recipients.values()] |
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130 raise error.Abort('\n' + '\n'.join(recipients)) |
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131 except smtplib.SMTPException as inst: |
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132 raise error.Abort(inst) |
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133 |
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134 return send |
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135 |
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136 def _sendmail(ui, sender, recipients, msg): |
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137 '''send mail using sendmail.''' |
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138 program = ui.config('email', 'method') |
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139 cmdline = '%s -f %s %s' % (program, util.email(sender), |
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140 ' '.join(map(util.email, recipients))) |
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141 ui.note(_('sending mail: %s\n') % cmdline) |
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142 fp = util.popen(cmdline, 'w') |
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143 fp.write(msg) |
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144 ret = fp.close() |
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145 if ret: |
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146 raise error.Abort('%s %s' % ( |
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147 os.path.basename(program.split(None, 1)[0]), |
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148 util.explainexit(ret)[0])) |
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149 |
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150 def _mbox(mbox, sender, recipients, msg): |
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151 '''write mails to mbox''' |
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152 fp = open(mbox, 'ab+') |
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153 # Should be time.asctime(), but Windows prints 2-characters day |
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154 # of month instead of one. Make them print the same thing. |
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155 date = time.strftime('%a %b %d %H:%M:%S %Y', time.localtime()) |
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156 fp.write('From %s %s\n' % (sender, date)) |
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157 fp.write(msg) |
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158 fp.write('\n\n') |
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159 fp.close() |
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160 |
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161 def connect(ui, mbox=None): |
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162 '''make a mail connection. return a function to send mail. |
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163 call as sendmail(sender, list-of-recipients, msg).''' |
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164 if mbox: |
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165 open(mbox, 'wb').close() |
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166 return lambda s, r, m: _mbox(mbox, s, r, m) |
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167 if ui.config('email', 'method') == 'smtp': |
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168 return _smtp(ui) |
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169 return lambda s, r, m: _sendmail(ui, s, r, m) |
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170 |
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171 def sendmail(ui, sender, recipients, msg, mbox=None): |
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172 send = connect(ui, mbox=mbox) |
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173 return send(sender, recipients, msg) |
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174 |
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175 def validateconfig(ui): |
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176 '''determine if we have enough config data to try sending email.''' |
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177 method = ui.config('email', 'method') |
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178 if method == 'smtp': |
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179 if not ui.config('smtp', 'host'): |
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180 raise error.Abort(_('smtp specified as email transport, ' |
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181 'but no smtp host configured')) |
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182 else: |
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183 if not util.findexe(method): |
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184 raise error.Abort(_('%r specified as email transport, ' |
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185 'but not in PATH') % method) |
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mail: add methods to handle non-ascii chars
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186 |
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187 def codec2iana(cs): |
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188 '''''' |
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189 cs = email.charset.Charset(cs).input_charset.lower() |
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190 |
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191 # "latin1" normalizes to "iso8859-1", standard calls for "iso-8859-1" |
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192 if cs.startswith("iso") and not cs.startswith("iso-"): |
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193 return "iso-" + cs[3:] |
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194 return cs |
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|
195 |
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mail: mime-encode patches that are utf-8
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|
196 def mimetextpatch(s, subtype='plain', display=False): |
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197 '''Return MIME message suitable for a patch. |
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198 Charset will be detected by first trying to decode as us-ascii, then utf-8, |
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|
199 and finally the global encodings. If all those fail, fall back to |
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|
200 ISO-8859-1, an encoding with that allows all byte sequences. |
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|
201 Transfer encodings will be used if necessary.''' |
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202 |
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203 cs = ['us-ascii', 'utf-8', encoding.encoding, encoding.fallbackencoding] |
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204 if display: |
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205 return mimetextqp(s, subtype, 'us-ascii') |
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206 for charset in cs: |
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207 try: |
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208 s.decode(charset) |
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209 return mimetextqp(s, subtype, codec2iana(charset)) |
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210 except UnicodeDecodeError: |
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211 pass |
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212 |
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213 return mimetextqp(s, subtype, "iso-8859-1") |
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214 |
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215 def mimetextqp(body, subtype, charset): |
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216 '''Return MIME message. |
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|
217 Quoted-printable transfer encoding will be used if necessary. |
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218 ''' |
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219 enc = None |
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220 for line in body.splitlines(): |
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|
221 if len(line) > 950: |
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222 body = quopri.encodestring(body) |
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223 enc = "quoted-printable" |
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224 break |
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225 |
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226 msg = email.MIMEText.MIMEText(body, subtype, charset) |
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227 if enc: |
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|
228 del msg['Content-Transfer-Encoding'] |
3e544c074459
patchbomb: quoted-printable encode overly long lines
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parents:
8312
diff
changeset
|
229 msg['Content-Transfer-Encoding'] = enc |
3e544c074459
patchbomb: quoted-printable encode overly long lines
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parents:
8312
diff
changeset
|
230 return msg |
7191
d14212218582
mail: mime-encode patches that are utf-8
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parents:
7114
diff
changeset
|
231 |
7114
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|
232 def _charsets(ui): |
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233 '''Obtains charsets to send mail parts not containing patches.''' |
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changeset
|
234 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
|
235 fallbacks = [encoding.fallbackencoding.lower(), |
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move encoding bits from util to encoding
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diff
changeset
|
236 encoding.encoding.lower(), 'utf-8'] |
8343 | 237 for cs in fallbacks: # find unique charsets while keeping order |
7114
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238 if cs not in charsets: |
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239 charsets.append(cs) |
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240 return [cs for cs in charsets if not cs.endswith('ascii')] |
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changeset
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241 |
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242 def _encode(ui, s, charsets): |
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243 '''Returns (converted) string, charset tuple. |
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244 Finds out best charset by cycling through sendcharsets in descending |
7948
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move encoding bits from util to encoding
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changeset
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245 order. Tries both encoding and fallbackencoding for input. Only as |
7114
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diff
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246 last resort send as is in fake ascii. |
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247 Caveat: Do not use for mail parts containing patches!''' |
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|
248 try: |
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|
249 s.decode('ascii') |
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diff
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|
250 except UnicodeDecodeError: |
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parents:
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diff
changeset
|
251 sendcharsets = charsets or _charsets(ui) |
7948
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move encoding bits from util to encoding
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|
252 for ics in (encoding.encoding, encoding.fallbackencoding): |
7114
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253 try: |
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changeset
|
254 u = s.decode(ics) |
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changeset
|
255 except UnicodeDecodeError: |
30e49d54c537
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parents:
6548
diff
changeset
|
256 continue |
30e49d54c537
mail: add methods to handle non-ascii chars
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diff
changeset
|
257 for ocs in sendcharsets: |
30e49d54c537
mail: add methods to handle non-ascii chars
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changeset
|
258 try: |
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259 return u.encode(ocs), ocs |
30e49d54c537
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changeset
|
260 except UnicodeEncodeError: |
30e49d54c537
mail: add methods to handle non-ascii chars
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parents:
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diff
changeset
|
261 pass |
30e49d54c537
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parents:
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diff
changeset
|
262 except LookupError: |
7195
9fabcb1fe68d
mail: correct typo in variable name
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parents:
7191
diff
changeset
|
263 ui.warn(_('ignoring invalid sendcharset: %s\n') % ocs) |
7114
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parents:
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diff
changeset
|
264 # if ascii, or all conversion attempts fail, send (broken) ascii |
30e49d54c537
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|
265 return s, 'us-ascii' |
30e49d54c537
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diff
changeset
|
266 |
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diff
changeset
|
267 def headencode(ui, s, charsets=None, display=False): |
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268 '''Returns RFC-2047 compliant header from given string.''' |
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diff
changeset
|
269 if not display: |
30e49d54c537
mail: add methods to handle non-ascii chars
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diff
changeset
|
270 # split into words? |
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diff
changeset
|
271 s, cs = _encode(ui, s, charsets) |
30072
87b8e40eb812
mail: handle renamed email.Header
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parents:
29285
diff
changeset
|
272 return str(email.header.Header(s, cs)) |
7114
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parents:
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diff
changeset
|
273 return s |
30e49d54c537
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diff
changeset
|
274 |
9948
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mail: add parseaddrlist() function for parsing many addresses at once
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parents:
9715
diff
changeset
|
275 def _addressencode(ui, name, addr, charsets=None): |
7114
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diff
changeset
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276 name = headencode(ui, name, charsets) |
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diff
changeset
|
277 try: |
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diff
changeset
|
278 acc, dom = addr.split('@') |
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diff
changeset
|
279 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
|
280 dom = dom.decode(encoding.encoding).encode('idna') |
7114
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281 addr = '%s@%s' % (acc, dom) |
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282 except UnicodeDecodeError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26098
diff
changeset
|
283 raise error.Abort(_('invalid email address: %s') % addr) |
7114
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diff
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|
284 except ValueError: |
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parents:
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diff
changeset
|
285 try: |
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diff
changeset
|
286 # too strict? |
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diff
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|
287 addr = addr.encode('ascii') |
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diff
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|
288 except UnicodeDecodeError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26098
diff
changeset
|
289 raise error.Abort(_('invalid local address: %s') % addr) |
7114
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diff
changeset
|
290 return email.Utils.formataddr((name, addr)) |
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6548
diff
changeset
|
291 |
9948
e5b44a7986d0
mail: add parseaddrlist() function for parsing many addresses at once
Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
292 def addressencode(ui, address, charsets=None, display=False): |
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|
293 '''Turns address into RFC-2047 compliant header.''' |
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mail: add parseaddrlist() function for parsing many addresses at once
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parents:
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diff
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|
294 if display or not address: |
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diff
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295 return address or '' |
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diff
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296 name, addr = email.Utils.parseaddr(address) |
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|
297 return _addressencode(ui, name, addr, charsets) |
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298 |
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diff
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299 def addrlistencode(ui, addrs, charsets=None, display=False): |
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diff
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|
300 '''Turns a list of addresses into a list of RFC-2047 compliant headers. |
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diff
changeset
|
301 A single element of input list may contain multiple addresses, but output |
e5b44a7986d0
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diff
changeset
|
302 always has one address per item''' |
e5b44a7986d0
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diff
changeset
|
303 if display: |
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diff
changeset
|
304 return [a.strip() for a in addrs if a.strip()] |
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diff
changeset
|
305 |
e5b44a7986d0
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diff
changeset
|
306 result = [] |
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diff
changeset
|
307 for name, addr in email.Utils.getaddresses(addrs): |
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diff
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|
308 if name or addr: |
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diff
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|
309 result.append(_addressencode(ui, name, addr, charsets)) |
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310 return result |
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311 |
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|
312 def mimeencode(ui, s, charsets=None, display=False): |
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313 '''creates mime text object, encodes it if needed, and sets |
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|
314 charset and transfer-encoding accordingly.''' |
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|
315 cs = 'us-ascii' |
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diff
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|
316 if not display: |
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diff
changeset
|
317 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
|
318 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
|
319 |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
320 def headdecode(s): |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
321 '''Decodes RFC-2047 header''' |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
322 uparts = [] |
30072
87b8e40eb812
mail: handle renamed email.Header
Pulkit Goyal <7895pulkit@gmail.com>
parents:
29285
diff
changeset
|
323 for part, charset in email.header.decode_header(s): |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
324 if charset is not None: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
325 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
326 uparts.append(part.decode(charset)) |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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parents:
27619
diff
changeset
|
327 continue |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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diff
changeset
|
328 except UnicodeDecodeError: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
329 pass |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
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diff
changeset
|
330 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
331 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
|
332 continue |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
333 except UnicodeDecodeError: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
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 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
|
336 return encoding.unitolocal(u' '.join(uparts)) |