Mercurial > hg
annotate mercurial/mail.py @ 50896:b2b8c25f9462
hgwebmod: use sysstr to check for attribute presence
We do not need bytes here.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 30 Aug 2023 13:28:09 +0200 |
parents | 174290adfc4a |
children | 18c8c18993f0 |
rev | line source |
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Move ui.sendmail to mail.connect/sendmail
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1 # mail.py - mail sending bits for mercurial |
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2 # |
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3 # Copyright 2006 Olivia Mackall <olivia@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 |
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9 import email |
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10 import email.charset |
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11 import email.generator |
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12 import email.header |
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13 import email.message |
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14 import email.parser |
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15 import io |
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16 import os |
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17 import smtplib |
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18 import socket |
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19 import time |
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20 |
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21 from .i18n import _ |
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22 from .pycompat import ( |
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23 getattr, |
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24 open, |
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25 ) |
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26 from . import ( |
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27 encoding, |
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28 error, |
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29 pycompat, |
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30 sslutil, |
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31 util, |
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32 ) |
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33 from .utils import ( |
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34 procutil, |
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35 stringutil, |
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36 urlutil, |
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37 ) |
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38 |
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39 if pycompat.TYPE_CHECKING: |
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40 from typing import Any, List, Tuple, Union |
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41 |
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42 # keep pyflakes happy |
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43 assert all((Any, List, Tuple, Union)) |
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44 |
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45 |
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46 class STARTTLS(smtplib.SMTP): |
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47 """Derived class to verify the peer certificate for STARTTLS. |
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48 |
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49 This class allows to pass any keyword arguments to SSL socket creation. |
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50 """ |
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51 |
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52 def __init__(self, ui, host=None, **kwargs): |
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53 smtplib.SMTP.__init__(self, **kwargs) |
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54 self._ui = ui |
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55 self._host = host |
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56 |
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57 def starttls(self, keyfile=None, certfile=None, context=None): |
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58 if not self.has_extn("starttls"): |
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59 msg = "STARTTLS extension not supported by server" |
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60 raise smtplib.SMTPException(msg) |
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61 (resp, reply) = self.docmd("STARTTLS") |
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62 if resp == 220: |
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63 self.sock = sslutil.wrapsocket( |
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64 self.sock, |
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65 keyfile, |
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66 certfile, |
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67 ui=self._ui, |
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68 serverhostname=self._host, |
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69 ) |
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70 self.file = self.sock.makefile("rb") |
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71 self.helo_resp = None |
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72 self.ehlo_resp = None |
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73 self.esmtp_features = {} |
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74 self.does_esmtp = 0 |
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75 return (resp, reply) |
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76 |
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77 |
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79 """Derived class to verify the peer certificate for SMTPS. |
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80 |
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82 """ |
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83 |
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84 def __init__(self, ui, keyfile=None, certfile=None, host=None, **kwargs): |
26673 | 85 self.keyfile = keyfile |
86 self.certfile = certfile | |
87 smtplib.SMTP.__init__(self, **kwargs) | |
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88 self._host = host |
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90 self._ui = ui |
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92 def _get_socket(self, host, port, timeout): | |
93 if self.debuglevel > 0: | |
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94 self._ui.debug(b'connect: %r\n' % ((host, port),)) |
26673 | 95 new_socket = socket.create_connection((host, port), timeout) |
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96 new_socket = sslutil.wrapsocket( |
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97 new_socket, |
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98 self.keyfile, |
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99 self.certfile, |
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100 ui=self._ui, |
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101 serverhostname=self._host, |
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102 ) |
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103 self.file = new_socket.makefile('rb') |
26673 | 104 return new_socket |
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105 |
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106 |
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107 def _pyhastls(): |
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108 # type: () -> bool |
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109 """Returns true iff Python has TLS support, false otherwise.""" |
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110 try: |
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111 import ssl |
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112 |
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113 getattr(ssl, 'HAS_TLS', False) |
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114 return True |
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115 except ImportError: |
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116 return False |
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117 |
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118 |
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119 def _smtp(ui): |
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120 '''build an smtp connection and return a function to send mail''' |
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121 local_hostname = ui.config(b'smtp', b'local_hostname') |
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122 tls = ui.config(b'smtp', b'tls') |
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123 # backward compatible: when tls = true, we use starttls. |
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124 starttls = tls == b'starttls' or stringutil.parsebool(tls) |
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125 smtps = tls == b'smtps' |
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126 if (starttls or smtps) and not _pyhastls(): |
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127 raise error.Abort(_(b"can't use TLS: Python SSL support not installed")) |
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128 mailhost = ui.config(b'smtp', b'host') |
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129 if not mailhost: |
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130 raise error.Abort(_(b'smtp.host not configured - cannot send mail')) |
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131 if smtps: |
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132 ui.note(_(b'(using smtps)\n')) |
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133 s = SMTPS(ui, local_hostname=local_hostname, host=mailhost) |
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134 elif starttls: |
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135 s = STARTTLS(ui, local_hostname=local_hostname, host=mailhost) |
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136 else: |
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137 s = smtplib.SMTP(local_hostname=local_hostname) |
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138 if smtps: |
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139 defaultport = 465 |
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140 else: |
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141 defaultport = 25 |
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142 mailport = urlutil.getport(ui.config(b'smtp', b'port', defaultport)) |
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143 ui.note(_(b'sending mail: smtp host %s, port %d\n') % (mailhost, mailport)) |
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144 s.connect(host=mailhost, port=mailport) |
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145 if starttls: |
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146 ui.note(_(b'(using starttls)\n')) |
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147 s.ehlo() |
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148 s.starttls() |
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149 s.ehlo() |
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150 if starttls or smtps: |
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151 ui.note(_(b'(verifying remote certificate)\n')) |
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152 sslutil.validatesocket(s.sock) |
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153 |
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154 try: |
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155 _smtp_login(ui, s, mailhost, mailport) |
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156 except smtplib.SMTPException as inst: |
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157 raise error.Abort(stringutil.forcebytestr(inst)) |
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158 |
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159 def send(sender, recipients, msg): |
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160 try: |
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161 return s.sendmail(sender, recipients, msg) |
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162 except smtplib.SMTPRecipientsRefused as inst: |
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163 recipients = [r[1] for r in inst.recipients.values()] |
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164 raise error.Abort(b'\n' + b'\n'.join(recipients)) |
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165 except smtplib.SMTPException as inst: |
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166 raise error.Abort(stringutil.forcebytestr(inst)) |
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167 |
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168 return send |
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169 |
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170 |
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171 def _smtp_login(ui, smtp, mailhost, mailport): |
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172 """A hook for the keyring extension to perform the actual SMTP login. |
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173 |
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174 An already connected SMTP object of the proper type is provided, based on |
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175 the current configuration. The host and port to which the connection was |
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176 established are provided for accessibility, since the SMTP object doesn't |
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177 provide an accessor. ``smtplib.SMTPException`` is raised on error. |
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178 """ |
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179 username = ui.config(b'smtp', b'username') |
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180 password = ui.config(b'smtp', b'password') |
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181 if username: |
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182 if password: |
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183 password = encoding.strfromlocal(password) |
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184 else: |
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185 password = ui.getpass() |
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186 if password is not None: |
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187 password = encoding.strfromlocal(password) |
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188 if username and password: |
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189 ui.note(_(b'(authenticating to mail server as %s)\n') % username) |
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190 username = encoding.strfromlocal(username) |
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191 smtp.login(username, password) |
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192 |
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193 |
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194 def _sendmail(ui, sender, recipients, msg): |
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195 '''send mail using sendmail.''' |
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196 program = ui.config(b'email', b'method') |
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197 |
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198 def stremail(x): |
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199 return procutil.shellquote(stringutil.email(encoding.strtolocal(x))) |
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200 |
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201 cmdline = b'%s -f %s %s' % ( |
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202 program, |
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203 stremail(sender), |
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204 b' '.join(map(stremail, recipients)), |
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205 ) |
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206 ui.note(_(b'sending mail: %s\n') % cmdline) |
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207 fp = procutil.popen(cmdline, b'wb') |
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208 fp.write(util.tonativeeol(msg)) |
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209 ret = fp.close() |
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210 if ret: |
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211 raise error.Abort( |
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212 b'%s %s' |
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213 % ( |
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214 os.path.basename(procutil.shellsplit(program)[0]), |
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215 procutil.explainexit(ret), |
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216 ) |
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217 ) |
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218 |
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219 |
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220 def _mbox(mbox, sender, recipients, msg): |
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221 '''write mails to mbox''' |
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222 # TODO: use python mbox library for proper locking |
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223 with open(mbox, b'ab+') as fp: |
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224 # Should be time.asctime(), but Windows prints 2-characters day |
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225 # of month instead of one. Make them print the same thing. |
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226 date = time.strftime('%a %b %d %H:%M:%S %Y', time.localtime()) |
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227 fp.write( |
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228 b'From %s %s\n' |
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229 % (encoding.strtolocal(sender), encoding.strtolocal(date)) |
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230 ) |
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231 fp.write(msg) |
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232 fp.write(b'\n\n') |
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233 |
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234 |
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235 def connect(ui, mbox=None): |
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236 """make a mail connection. return a function to send mail. |
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237 call as sendmail(sender, list-of-recipients, msg).""" |
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238 if mbox: |
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239 open(mbox, b'wb').close() |
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240 return lambda s, r, m: _mbox(mbox, s, r, m) |
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241 if ui.config(b'email', b'method') == b'smtp': |
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242 return _smtp(ui) |
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243 return lambda s, r, m: _sendmail(ui, s, r, m) |
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244 |
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245 |
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246 def sendmail(ui, sender, recipients, msg, mbox=None): |
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247 send = connect(ui, mbox=mbox) |
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248 return send(sender, recipients, msg) |
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249 |
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250 |
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251 def validateconfig(ui): |
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252 '''determine if we have enough config data to try sending email.''' |
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253 method = ui.config(b'email', b'method') |
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254 if method == b'smtp': |
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255 if not ui.config(b'smtp', b'host'): |
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256 raise error.Abort( |
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257 _( |
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258 b'smtp specified as email transport, ' |
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259 b'but no smtp host configured' |
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260 ) |
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261 ) |
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262 else: |
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263 command = procutil.shellsplit(method) |
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264 command = command[0] if command else b'' |
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265 if not (command and procutil.findexe(command)): |
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266 raise error.Abort( |
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267 _(b'%r specified as email transport, but not in PATH') % command |
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268 ) |
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269 |
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270 |
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271 def codec2iana(cs): |
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272 # type: (str) -> str |
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273 ''' ''' |
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274 cs = email.charset.Charset(cs).input_charset.lower() |
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275 |
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276 # "latin1" normalizes to "iso8859-1", standard calls for "iso-8859-1" |
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277 if cs.startswith("iso") and not cs.startswith("iso-"): |
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278 return "iso-" + cs[3:] |
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279 return cs |
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280 |
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281 |
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282 def mimetextpatch(s, subtype='plain', display=False): |
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283 # type: (bytes, str, bool) -> email.message.Message |
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284 """Return MIME message suitable for a patch. |
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285 Charset will be detected by first trying to decode as us-ascii, then utf-8, |
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286 and finally the global encodings. If all those fail, fall back to |
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287 ISO-8859-1, an encoding with that allows all byte sequences. |
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288 Transfer encodings will be used if necessary.""" |
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289 |
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290 cs = [ |
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291 'us-ascii', |
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292 'utf-8', |
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293 pycompat.sysstr(encoding.encoding), |
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294 pycompat.sysstr(encoding.fallbackencoding), |
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295 ] |
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296 if display: |
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297 cs = ['us-ascii'] |
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298 for charset in cs: |
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299 try: |
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300 s.decode(charset) |
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301 return mimetextqp(s, subtype, codec2iana(charset)) |
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302 except UnicodeDecodeError: |
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303 pass |
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304 |
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305 return mimetextqp(s, subtype, "iso-8859-1") |
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306 |
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307 |
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308 def mimetextqp(body, subtype, charset): |
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309 # type: (bytes, str, str) -> email.message.Message |
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310 """Return MIME message. |
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311 Quoted-printable transfer encoding will be used if necessary. |
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312 """ |
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313 cs = email.charset.Charset(charset) |
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314 msg = email.message.Message() |
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315 msg.set_type('text/' + subtype) |
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316 |
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317 for line in body.splitlines(): |
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318 if len(line) > 950: |
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319 cs.body_encoding = email.charset.QP |
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320 break |
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321 |
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322 # On Python 2, this simply assigns a value. Python 3 inspects |
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323 # body and does different things depending on whether it has |
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324 # encode() or decode() attributes. We can get the old behavior |
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325 # if we pass a str and charset is None and we call set_charset(). |
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326 # But we may get into trouble later due to Python attempting to |
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327 # encode/decode using the registered charset (or attempting to |
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328 # use ascii in the absence of a charset). |
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329 msg.set_payload(body, cs) |
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330 |
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331 return msg |
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332 |
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333 |
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334 def _charsets(ui): |
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335 # type: (Any) -> List[str] |
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336 '''Obtains charsets to send mail parts not containing patches.''' |
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337 charsets = [ |
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338 pycompat.sysstr(cs.lower()) |
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339 for cs in ui.configlist(b'email', b'charsets') |
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340 ] |
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341 fallbacks = [ |
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342 pycompat.sysstr(encoding.fallbackencoding.lower()), |
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343 pycompat.sysstr(encoding.encoding.lower()), |
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344 'utf-8', |
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345 ] |
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346 for cs in fallbacks: # find unique charsets while keeping order |
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347 if cs not in charsets: |
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348 charsets.append(cs) |
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349 return [cs for cs in charsets if not cs.endswith('ascii')] |
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350 |
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351 |
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352 def _encode(ui, s, charsets): |
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353 # type: (Any, bytes, List[str]) -> Tuple[bytes, str] |
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354 """Returns (converted) string, charset tuple. |
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355 Finds out best charset by cycling through sendcharsets in descending |
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356 order. Tries both encoding and fallbackencoding for input. Only as |
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357 last resort send as is in fake ascii. |
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358 Caveat: Do not use for mail parts containing patches!""" |
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359 sendcharsets = charsets or _charsets(ui) |
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360 if not isinstance(s, bytes): |
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361 # We have unicode data, which we need to try and encode to |
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362 # some reasonable-ish encoding. Try the encodings the user |
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363 # wants, and fall back to garbage-in-ascii. |
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364 for ocs in sendcharsets: |
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365 try: |
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366 return s.encode(ocs), ocs |
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367 except UnicodeEncodeError: |
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368 pass |
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369 except LookupError: |
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370 ui.warn( |
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371 _(b'ignoring invalid sendcharset: %s\n') |
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372 % pycompat.sysbytes(ocs) |
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373 ) |
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374 else: |
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375 # Everything failed, ascii-armor what we've got and send it. |
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376 return s.encode('ascii', 'backslashreplace'), 'us-ascii' |
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377 # We have a bytes of unknown encoding. We'll try and guess a valid |
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378 # encoding, falling back to pretending we had ascii even though we |
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379 # know that's wrong. |
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380 try: |
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381 s.decode('ascii') |
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382 except UnicodeDecodeError: |
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383 for ics in (encoding.encoding, encoding.fallbackencoding): |
43330
910827a2cb20
py3: decode encoding literal before passing to .decode()
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384 ics = pycompat.sysstr(ics) |
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385 try: |
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386 u = s.decode(ics) |
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387 except UnicodeDecodeError: |
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|
388 continue |
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389 for ocs in sendcharsets: |
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|
390 try: |
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391 return u.encode(ocs), ocs |
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392 except UnicodeEncodeError: |
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|
393 pass |
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|
394 except LookupError: |
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|
395 ui.warn( |
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|
396 _(b'ignoring invalid sendcharset: %s\n') |
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397 % pycompat.sysbytes(ocs) |
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|
398 ) |
7114
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399 # if ascii, or all conversion attempts fail, send (broken) ascii |
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diff
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400 return s, 'us-ascii' |
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|
401 |
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changeset
|
402 |
7114
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|
403 def headencode(ui, s, charsets=None, display=False): |
43626
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404 # type: (Any, Union[bytes, str], List[str], bool) -> str |
7114
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405 '''Returns RFC-2047 compliant header from given string.''' |
30e49d54c537
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406 if not display: |
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diff
changeset
|
407 # split into words? |
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|
408 s, cs = _encode(ui, s, charsets) |
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409 return email.header.Header(s, cs).encode() |
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diff
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|
410 return encoding.strfromlocal(s) |
7114
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|
411 |
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diff
changeset
|
412 |
9948
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Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
413 def _addressencode(ui, name, addr, charsets=None): |
43628
ddb5d097d561
mail: move strtolocal call in _addressencode()
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parents:
43627
diff
changeset
|
414 # type: (Any, str, str, List[str]) -> str |
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diff
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|
415 addr = encoding.strtolocal(addr) |
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diff
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|
416 name = headencode(ui, name, charsets) |
7114
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417 try: |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
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diff
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|
418 acc, dom = addr.split(b'@') |
39107
c2327bb3505d
mail: call s.decode('ascii') explicitly to see if s is an ascii bytes
Yuya Nishihara <yuya@tcha.org>
parents:
39106
diff
changeset
|
419 acc.decode('ascii') |
39108
d2d89d31cbb5
mail: convert encoding.encoding to sysstr
Yuya Nishihara <yuya@tcha.org>
parents:
39107
diff
changeset
|
420 dom = dom.decode(pycompat.sysstr(encoding.encoding)).encode('idna') |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
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43076
diff
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|
421 addr = b'%s@%s' % (acc, dom) |
7114
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|
422 except UnicodeDecodeError: |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
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43076
diff
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|
423 raise error.Abort(_(b'invalid email address: %s') % addr) |
7114
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diff
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|
424 except ValueError: |
30e49d54c537
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parents:
6548
diff
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|
425 try: |
30e49d54c537
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diff
changeset
|
426 # too strict? |
39107
c2327bb3505d
mail: call s.decode('ascii') explicitly to see if s is an ascii bytes
Yuya Nishihara <yuya@tcha.org>
parents:
39106
diff
changeset
|
427 addr.decode('ascii') |
7114
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diff
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|
428 except UnicodeDecodeError: |
43077
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diff
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|
429 raise error.Abort(_(b'invalid local address: %s') % addr) |
43576
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43575
diff
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|
430 return email.utils.formataddr((name, encoding.strfromlocal(addr))) |
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diff
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|
431 |
7114
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|
432 |
9948
e5b44a7986d0
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Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
433 def addressencode(ui, address, charsets=None, display=False): |
43626
bdb0ddab7bb3
mail: let all charset values be native strings
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43625
diff
changeset
|
434 # type: (Any, bytes, List[str], bool) -> str |
9948
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Marti Raudsepp <marti@juffo.org>
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9715
diff
changeset
|
435 '''Turns address into RFC-2047 compliant header.''' |
e5b44a7986d0
mail: add parseaddrlist() function for parsing many addresses at once
Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
436 if display or not address: |
43576
14b96072797d
mail: let addressencode() / addrlistencode() return native strings
Denis Laxalde <denis@laxalde.org>
parents:
43575
diff
changeset
|
437 return encoding.strfromlocal(address or b'') |
39024
eabdf3c25b8b
mail: cope with Py3 unicode antics on email addresses
Augie Fackler <augie@google.com>
parents:
39023
diff
changeset
|
438 name, addr = email.utils.parseaddr(encoding.strfromlocal(address)) |
43628
ddb5d097d561
mail: move strtolocal call in _addressencode()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
43627
diff
changeset
|
439 return _addressencode(ui, name, addr, charsets) |
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parents:
9715
diff
changeset
|
440 |
43076
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43019
diff
changeset
|
441 |
9948
e5b44a7986d0
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Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
442 def addrlistencode(ui, addrs, charsets=None, display=False): |
43626
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mail: let all charset values be native strings
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parents:
43625
diff
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|
443 # type: (Any, List[bytes], List[str], bool) -> List[str] |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45929
diff
changeset
|
444 """Turns a list of addresses into a list of RFC-2047 compliant headers. |
9948
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diff
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|
445 A single element of input list may contain multiple addresses, but output |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
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parents:
45929
diff
changeset
|
446 always has one address per item""" |
43577
599e25add437
mail: convert addr to str early in addrlistencode()
Denis Laxalde <denis@laxalde.org>
parents:
43576
diff
changeset
|
447 straddrs = [] |
39024
eabdf3c25b8b
mail: cope with Py3 unicode antics on email addresses
Augie Fackler <augie@google.com>
parents:
39023
diff
changeset
|
448 for a in addrs: |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43498
diff
changeset
|
449 assert isinstance(a, bytes), '%r unexpectedly not a bytestr' % a |
43577
599e25add437
mail: convert addr to str early in addrlistencode()
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parents:
43576
diff
changeset
|
450 straddrs.append(encoding.strfromlocal(a)) |
9948
e5b44a7986d0
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parents:
9715
diff
changeset
|
451 if display: |
43577
599e25add437
mail: convert addr to str early in addrlistencode()
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parents:
43576
diff
changeset
|
452 return [a.strip() for a in straddrs if a.strip()] |
9948
e5b44a7986d0
mail: add parseaddrlist() function for parsing many addresses at once
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parents:
9715
diff
changeset
|
453 |
e5b44a7986d0
mail: add parseaddrlist() function for parsing many addresses at once
Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
454 result = [] |
43577
599e25add437
mail: convert addr to str early in addrlistencode()
Denis Laxalde <denis@laxalde.org>
parents:
43576
diff
changeset
|
455 for name, addr in email.utils.getaddresses(straddrs): |
9948
e5b44a7986d0
mail: add parseaddrlist() function for parsing many addresses at once
Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
456 if name or addr: |
43628
ddb5d097d561
mail: move strtolocal call in _addressencode()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
43627
diff
changeset
|
457 r = _addressencode(ui, name, addr, charsets) |
39106
ebf54a34b7b7
mail: pass in addr to _addressencode() in bytes
Yuya Nishihara <yuya@tcha.org>
parents:
39105
diff
changeset
|
458 result.append(r) |
39105
f68ad9b4a43b
mail: remove redundant bytesurl() from addrlistencode()
Yuya Nishihara <yuya@tcha.org>
parents:
39039
diff
changeset
|
459 return result |
9948
e5b44a7986d0
mail: add parseaddrlist() function for parsing many addresses at once
Marti Raudsepp <marti@juffo.org>
parents:
9715
diff
changeset
|
460 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43019
diff
changeset
|
461 |
7114
30e49d54c537
mail: add methods to handle non-ascii chars
Christian Ebert <blacktrash@gmx.net>
parents:
6548
diff
changeset
|
462 def mimeencode(ui, s, charsets=None, display=False): |
43626
bdb0ddab7bb3
mail: let all charset values be native strings
Denis Laxalde <denis@laxalde.org>
parents:
43625
diff
changeset
|
463 # type: (Any, bytes, List[str], bool) -> email.message.Message |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45929
diff
changeset
|
464 """creates mime text object, encodes it if needed, and sets |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45929
diff
changeset
|
465 charset and transfer-encoding accordingly.""" |
43626
bdb0ddab7bb3
mail: let all charset values be native strings
Denis Laxalde <denis@laxalde.org>
parents:
43625
diff
changeset
|
466 cs = 'us-ascii' |
7114
30e49d54c537
mail: add methods to handle non-ascii chars
Christian Ebert <blacktrash@gmx.net>
parents:
6548
diff
changeset
|
467 if not display: |
30e49d54c537
mail: add methods to handle non-ascii chars
Christian Ebert <blacktrash@gmx.net>
parents:
6548
diff
changeset
|
468 s, cs = _encode(ui, s, charsets) |
43627
af3e341dbf03
mail: use a native string for "subtype" value
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
43626
diff
changeset
|
469 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
|
470 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43019
diff
changeset
|
471 |
48883
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
472 Generator = email.generator.BytesGenerator |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43019
diff
changeset
|
473 |
43353
fdc3af52305b
mail: black wants to add this blank line
Augie Fackler <augie@google.com>
parents:
43330
diff
changeset
|
474 |
48883
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
475 def parse(fp): |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
476 # type: (Any) -> email.message.Message |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
477 ep = email.parser.Parser() |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
478 # disable the "universal newlines" mode, which isn't binary safe. |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
479 # I have no idea if ascii/surrogateescape is correct, but that's |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
480 # what the standard Python email parser does. |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
481 fp = io.TextIOWrapper( |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
482 fp, encoding='ascii', errors='surrogateescape', newline=chr(10) |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
483 ) |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
484 try: |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
485 return ep.parse(fp) |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
486 finally: |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
487 fp.detach() |
43156
0e6a7ce81dde
py3: use email.generator.BytesGenerator in patch.split()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
43117
diff
changeset
|
488 |
38332
7b12a2d2eedc
py3: ditch email.parser.BytesParser which appears to be plain crap
Yuya Nishihara <yuya@tcha.org>
parents:
37469
diff
changeset
|
489 |
48883
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
490 def parsebytes(data): |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
491 # type: (bytes) -> email.message.Message |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
492 ep = email.parser.BytesParser() |
f0c445a8e324
mail: delete conditional code for Python 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
493 return ep.parsebytes(data) |
43326
ef81de93143e
py3: use a BytesParser in notify extension
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
43325
diff
changeset
|
494 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43019
diff
changeset
|
495 |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
496 def headdecode(s): |
43625
8d9e2c2b6058
mail: add type hints for pytype
Denis Laxalde <denis@laxalde.org>
parents:
43624
diff
changeset
|
497 # type: (Union[email.header.Header, bytes]) -> bytes |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
498 '''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
|
499 uparts = [] |
30072
87b8e40eb812
mail: handle renamed email.Header
Pulkit Goyal <7895pulkit@gmail.com>
parents:
29285
diff
changeset
|
500 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
|
501 if charset is not None: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
502 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
503 uparts.append(part.decode(charset)) |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
504 continue |
43324
866bd2cf764b
mail: catch LookupError in headdecode()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
43172
diff
changeset
|
505 except (UnicodeDecodeError, LookupError): |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
506 pass |
37469
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
parents:
37463
diff
changeset
|
507 # On Python 3, decode_header() may return either bytes or unicode |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
parents:
37463
diff
changeset
|
508 # depending on whether the header has =?<charset>? or not |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
parents:
37463
diff
changeset
|
509 if isinstance(part, type(u'')): |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
parents:
37463
diff
changeset
|
510 uparts.append(part) |
7edf68862fe3
py3: work around weird handling of bytes/unicode in decode_header()
Yuya Nishihara <yuya@tcha.org>
parents:
37463
diff
changeset
|
511 continue |
28341
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
512 try: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
513 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
|
514 continue |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
515 except UnicodeDecodeError: |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
516 pass |
8286f551b7ee
patch: when importing from email, RFC2047-decode From/Subject headers
Julien Cristau <julien.cristau@logilab.fr>
parents:
27619
diff
changeset
|
517 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
|
518 return encoding.unitolocal(u' '.join(uparts)) |