Mercurial > hg
annotate mercurial/mail.py @ 37574:a1bcc7ff0eac
diffhelpers: make return value of testhunk() more Pythonic
It's no longer C.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 09 Apr 2018 21:08:52 +0900 |
parents | 7edf68862fe3 |
children | 7b12a2d2eedc |
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 |
26673 | 61 This class allows to pass any keyword arguments to SSL socket creation. |
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, 'wb') |
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148 fp.write(util.tonativeeol(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))) |
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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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mail: add methods to handle non-ascii chars
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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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mail: mime-encode patches that are utf-8
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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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mail: encode long unicode lines in emails properly (issue5687)
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changeset
|
224 cs = email.charset.Charset(charset) |
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mail: encode long unicode lines in emails properly (issue5687)
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|
225 msg = email.message.Message() |
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py3: pass system string to email.message.Message.set_type()
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changeset
|
226 msg.set_type(pycompat.sysstr('text/' + subtype)) |
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mail: encode long unicode lines in emails properly (issue5687)
Igor Ippolitov <iippolitov@gmail.com>
parents:
33499
diff
changeset
|
227 |
15562
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mail: use quoted-printable for mime encoding to avoid too long lines (issue3075)
Mads Kiilerich <mads@kiilerich.com>
parents:
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changeset
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228 for line in body.splitlines(): |
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229 if len(line) > 950: |
34310
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230 cs.body_encoding = email.charset.QP |
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231 break |
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232 |
34310
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233 msg.set_payload(body, cs) |
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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
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diff
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236 |
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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')] |
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diff
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240 fallbacks = [encoding.fallbackencoding.lower(), |
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241 encoding.encoding.lower(), 'utf-8'] |
8343 | 242 for cs in fallbacks: # find unique charsets while keeping order |
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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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246 |
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247 def _encode(ui, s, charsets): |
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248 '''Returns (converted) string, charset tuple. |
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249 Finds out best charset by cycling through sendcharsets in descending |
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250 order. Tries both encoding and fallbackencoding for input. Only as |
7114
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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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253 try: |
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254 s.decode('ascii') |
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255 except UnicodeDecodeError: |
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256 sendcharsets = charsets or _charsets(ui) |
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257 for ics in (encoding.encoding, encoding.fallbackencoding): |
7114
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258 try: |
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259 u = s.decode(ics) |
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260 except UnicodeDecodeError: |
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261 continue |
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262 for ocs in sendcharsets: |
30e49d54c537
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263 try: |
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264 return u.encode(ocs), ocs |
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265 except UnicodeEncodeError: |
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parents:
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266 pass |
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diff
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267 except LookupError: |
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mail: correct typo in variable name
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diff
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268 ui.warn(_('ignoring invalid sendcharset: %s\n') % ocs) |
7114
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269 # if ascii, or all conversion attempts fail, send (broken) ascii |
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270 return s, 'us-ascii' |
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271 |
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272 def headencode(ui, s, charsets=None, display=False): |
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273 '''Returns RFC-2047 compliant header from given string.''' |
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parents:
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274 if not display: |
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diff
changeset
|
275 # split into words? |
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|
276 s, cs = _encode(ui, s, charsets) |
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diff
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277 return str(email.header.Header(s, cs)) |
7114
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|
278 return s |
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|
279 |
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mail: add parseaddrlist() function for parsing many addresses at once
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parents:
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diff
changeset
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280 def _addressencode(ui, name, addr, charsets=None): |
7114
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281 name = headencode(ui, name, charsets) |
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diff
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|
282 try: |
30e49d54c537
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parents:
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diff
changeset
|
283 acc, dom = addr.split('@') |
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parents:
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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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286 addr = '%s@%s' % (acc, dom) |
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287 except UnicodeDecodeError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26098
diff
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288 raise error.Abort(_('invalid email address: %s') % addr) |
7114
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289 except ValueError: |
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parents:
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diff
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|
290 try: |
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parents:
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diff
changeset
|
291 # too strict? |
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292 addr = addr.encode('ascii') |
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293 except UnicodeDecodeError: |
26587
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error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
294 raise error.Abort(_('invalid local address: %s') % addr) |
36120
54dfb65e2f82
mail: import email.utils not email.Utils
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parents:
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diff
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|
295 return email.utils.formataddr((name, addr)) |
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296 |
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parents:
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diff
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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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|
299 if display or not address: |
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300 return address or '' |
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301 name, addr = email.utils.parseaddr(address) |
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302 return _addressencode(ui, name, addr, charsets) |
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303 |
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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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306 A single element of input list may contain multiple addresses, but output |
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diff
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|
307 always has one address per item''' |
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308 if display: |
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309 return [a.strip() for a in addrs if a.strip()] |
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310 |
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diff
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311 result = [] |
36120
54dfb65e2f82
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diff
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|
312 for name, addr in email.utils.getaddresses(addrs): |
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313 if name or addr: |
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diff
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|
314 result.append(_addressencode(ui, name, addr, charsets)) |
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315 return result |
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|
316 |
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|
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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|
319 charset and transfer-encoding accordingly.''' |
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|
320 cs = 'us-ascii' |
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diff
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|
321 if not display: |
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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
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diff
changeset
|
325 def headdecode(s): |
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diff
changeset
|
326 '''Decodes RFC-2047 header''' |
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diff
changeset
|
327 uparts = [] |
30072
87b8e40eb812
mail: handle renamed email.Header
Pulkit Goyal <7895pulkit@gmail.com>
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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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diff
changeset
|
329 if charset is not None: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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diff
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|
330 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
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diff
changeset
|
331 uparts.append(part.decode(charset)) |
8286f551b7ee
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diff
changeset
|
332 continue |
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diff
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|
333 except UnicodeDecodeError: |
8286f551b7ee
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parents:
27619
diff
changeset
|
334 pass |
37469
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
parents:
37463
diff
changeset
|
335 # On Python 3, decode_header() may return either bytes or unicode |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
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37463
diff
changeset
|
336 # depending on whether the header has =?<charset>? or not |
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py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
337 if isinstance(part, type(u'')): |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
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37463
diff
changeset
|
338 uparts.append(part) |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
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37463
diff
changeset
|
339 continue |
28341
8286f551b7ee
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27619
diff
changeset
|
340 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
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diff
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341 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
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342 continue |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
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343 except UnicodeDecodeError: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
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diff
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344 pass |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
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345 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
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346 return encoding.unitolocal(u' '.join(uparts)) |