Mercurial > hg
annotate mercurial/mail.py @ 8699:f364cc1d98c4
commit: apply force flag without files
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 01 Jun 2009 13:51:21 -0500 |
parents | 6fbbb90261b1 |
children | 2de7d96593db |
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 |
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6 # GNU General Public License version 2, incorporated herein by reference. |
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7 |
3891 | 8 from i18n import _ |
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9 import util, encoding |
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10 import os, smtplib, socket, quopri |
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11 import email.Header, email.MIMEText, email.Utils |
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12 |
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13 def _smtp(ui): |
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14 '''build an smtp connection and return a function to send mail''' |
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15 local_hostname = ui.config('smtp', 'local_hostname') |
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16 s = smtplib.SMTP(local_hostname=local_hostname) |
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17 mailhost = ui.config('smtp', 'host') |
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18 if not mailhost: |
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19 raise util.Abort(_('no [smtp]host in hgrc - cannot send mail')) |
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20 mailport = int(ui.config('smtp', 'port', 25)) |
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21 ui.note(_('sending mail: smtp host %s, port %s\n') % |
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22 (mailhost, mailport)) |
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23 s.connect(host=mailhost, port=mailport) |
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24 if ui.configbool('smtp', 'tls'): |
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25 if not hasattr(socket, 'ssl'): |
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26 raise util.Abort(_("can't use TLS: Python SSL support " |
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27 "not installed")) |
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28 ui.note(_('(using tls)\n')) |
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29 s.ehlo() |
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30 s.starttls() |
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31 s.ehlo() |
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32 username = ui.config('smtp', 'username') |
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33 password = ui.config('smtp', 'password') |
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34 if username and not password: |
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35 password = ui.getpass() |
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36 if username and password: |
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37 ui.note(_('(authenticating to mail server as %s)\n') % |
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38 (username)) |
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39 s.login(username, password) |
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40 |
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41 def send(sender, recipients, msg): |
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42 try: |
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43 return s.sendmail(sender, recipients, msg) |
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44 except smtplib.SMTPRecipientsRefused, inst: |
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45 recipients = [r[1] for r in inst.recipients.values()] |
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46 raise util.Abort('\n' + '\n'.join(recipients)) |
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47 except smtplib.SMTPException, inst: |
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48 raise util.Abort(inst) |
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49 |
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50 return send |
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51 |
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52 def _sendmail(ui, sender, recipients, msg): |
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53 '''send mail using sendmail.''' |
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54 program = ui.config('email', 'method') |
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55 cmdline = '%s -f %s %s' % (program, util.email(sender), |
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56 ' '.join(map(util.email, recipients))) |
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57 ui.note(_('sending mail: %s\n') % cmdline) |
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58 fp = util.popen(cmdline, 'w') |
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59 fp.write(msg) |
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60 ret = fp.close() |
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61 if ret: |
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62 raise util.Abort('%s %s' % ( |
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63 os.path.basename(program.split(None, 1)[0]), |
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64 util.explain_exit(ret)[0])) |
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65 |
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66 def connect(ui): |
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67 '''make a mail connection. return a function to send mail. |
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68 call as sendmail(sender, list-of-recipients, msg).''' |
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69 if ui.config('email', 'method', 'smtp') == 'smtp': |
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70 return _smtp(ui) |
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71 return lambda s, r, m: _sendmail(ui, s, r, m) |
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72 |
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73 def sendmail(ui, sender, recipients, msg): |
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74 send = connect(ui) |
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75 return send(sender, recipients, msg) |
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76 |
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77 def validateconfig(ui): |
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78 '''determine if we have enough config data to try sending email.''' |
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79 method = ui.config('email', 'method', 'smtp') |
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80 if method == 'smtp': |
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81 if not ui.config('smtp', 'host'): |
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82 raise util.Abort(_('smtp specified as email transport, ' |
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83 'but no smtp host configured')) |
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84 else: |
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85 if not util.find_exe(method): |
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86 raise util.Abort(_('%r specified as email transport, ' |
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87 'but not in PATH') % method) |
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88 |
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89 def mimetextpatch(s, subtype='plain', display=False): |
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90 '''If patch in utf-8 transfer-encode it.''' |
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91 |
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92 enc = None |
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93 for line in s.splitlines(): |
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94 if len(line) > 950: |
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95 s = quopri.encodestring(s) |
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96 enc = "quoted-printable" |
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97 break |
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98 |
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99 cs = 'us-ascii' |
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100 if not display: |
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101 try: |
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102 s.decode('us-ascii') |
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103 except UnicodeDecodeError: |
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104 try: |
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105 s.decode('utf-8') |
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106 cs = 'utf-8' |
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107 except UnicodeDecodeError: |
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108 # We'll go with us-ascii as a fallback. |
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109 pass |
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110 |
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111 msg = email.MIMEText.MIMEText(s, subtype, cs) |
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112 if enc: |
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113 del msg['Content-Transfer-Encoding'] |
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114 msg['Content-Transfer-Encoding'] = enc |
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115 return msg |
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116 |
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117 def _charsets(ui): |
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118 '''Obtains charsets to send mail parts not containing patches.''' |
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119 charsets = [cs.lower() for cs in ui.configlist('email', 'charsets')] |
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120 fallbacks = [encoding.fallbackencoding.lower(), |
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121 encoding.encoding.lower(), 'utf-8'] |
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123 if cs not in charsets: |
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124 charsets.append(cs) |
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125 return [cs for cs in charsets if not cs.endswith('ascii')] |
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126 |
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127 def _encode(ui, s, charsets): |
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128 '''Returns (converted) string, charset tuple. |
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129 Finds out best charset by cycling through sendcharsets in descending |
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130 order. Tries both encoding and fallbackencoding for input. Only as |
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131 last resort send as is in fake ascii. |
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132 Caveat: Do not use for mail parts containing patches!''' |
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133 try: |
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134 s.decode('ascii') |
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135 except UnicodeDecodeError: |
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136 sendcharsets = charsets or _charsets(ui) |
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137 for ics in (encoding.encoding, encoding.fallbackencoding): |
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138 try: |
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139 u = s.decode(ics) |
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140 except UnicodeDecodeError: |
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141 continue |
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142 for ocs in sendcharsets: |
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143 try: |
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144 return u.encode(ocs), ocs |
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145 except UnicodeEncodeError: |
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146 pass |
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147 except LookupError: |
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148 ui.warn(_('ignoring invalid sendcharset: %s\n') % ocs) |
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149 # if ascii, or all conversion attempts fail, send (broken) ascii |
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150 return s, 'us-ascii' |
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151 |
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152 def headencode(ui, s, charsets=None, display=False): |
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153 '''Returns RFC-2047 compliant header from given string.''' |
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154 if not display: |
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155 # split into words? |
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156 s, cs = _encode(ui, s, charsets) |
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157 return str(email.Header.Header(s, cs)) |
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158 return s |
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159 |
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160 def addressencode(ui, address, charsets=None, display=False): |
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161 '''Turns address into RFC-2047 compliant header.''' |
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162 if display or not address: |
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163 return address or '' |
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164 name, addr = email.Utils.parseaddr(address) |
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165 name = headencode(ui, name, charsets) |
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166 try: |
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167 acc, dom = addr.split('@') |
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168 acc = acc.encode('ascii') |
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169 dom = dom.encode('idna') |
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170 addr = '%s@%s' % (acc, dom) |
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171 except UnicodeDecodeError: |
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172 raise util.Abort(_('invalid email address: %s') % addr) |
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173 except ValueError: |
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174 try: |
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175 # too strict? |
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176 addr = addr.encode('ascii') |
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177 except UnicodeDecodeError: |
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178 raise util.Abort(_('invalid local address: %s') % addr) |
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179 return email.Utils.formataddr((name, addr)) |
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180 |
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181 def mimeencode(ui, s, charsets=None, display=False): |
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182 '''creates mime text object, encodes it if needed, and sets |
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183 charset and transfer-encoding accordingly.''' |
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184 cs = 'us-ascii' |
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185 if not display: |
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186 s, cs = _encode(ui, s, charsets) |
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187 return email.MIMEText.MIMEText(s, 'plain', cs) |