Mercurial > kallithea

annotate rhodecode/lib/smtp_mailer.py @ 984:ccd323bfa121 beta

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added limit option for revision ranges
author Marcin Kuzminski <marcin@python-works.com>
date Mon, 31 Jan 2011 17:41:12 +0100
parents c45c910714e4
children 3bf8898ce66d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # -*- coding: utf-8 -*-
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2 """
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3 rhodecode.lib.smtp_mailer
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4 ~~~~~~~~~~~~~~~~~~~~~~~~~
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5
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6 Simple smtp mailer used in RhodeCode
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7
984
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8 :created_on: Sep 13, 2010
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9 :copyright: (c) 2011 by marcink.
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10 :license: LICENSE_NAME, see LICENSE_FILE for more details.
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11 """
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12
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13 import logging
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14 import smtplib
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15 import mimetypes
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16 from socket import sslerror
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17
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18 from email.mime.multipart import MIMEMultipart
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19 from email.mime.image import MIMEImage
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20 from email.mime.audio import MIMEAudio
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21 from email.mime.base import MIMEBase
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22 from email.mime.text import MIMEText
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23 from email.utils import formatdate
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24 from email import encoders
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25
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26 class SmtpMailer(object):
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27 """SMTP mailer class
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28
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29 mailer = SmtpMailer(mail_from, user, passwd, mail_server, mail_port, ssl, tls)
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30 mailer.send(recipients, subject, body, attachment_files)
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31
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32 :param recipients might be a list of string or single string
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33 :param attachment_files is a dict of {filename:location}
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34 it tries to guess the mimetype and attach the file
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35
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36 """
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37
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38 def __init__(self, mail_from, user, passwd, mail_server,
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39 mail_port=None, ssl=False, tls=False):
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40
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41 self.mail_from = mail_from
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42 self.mail_server = mail_server
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43 self.mail_port = mail_port
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44 self.user = user
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45 self.passwd = passwd
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46 self.ssl = ssl
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47 self.tls = tls
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48 self.debug = False
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49
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50 def send(self, recipients=[], subject='', body='', attachment_files={}):
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51
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52 if isinstance(recipients, basestring):
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53 recipients = [recipients]
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54 if self.ssl:
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55 smtp_serv = smtplib.SMTP_SSL(self.mail_server, self.mail_port)
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56 else:
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57 smtp_serv = smtplib.SMTP(self.mail_server, self.mail_port)
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58
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59 if self.tls:
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60 smtp_serv.ehlo()
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61 smtp_serv.starttls()
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62
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63 if self.debug:
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64 smtp_serv.set_debuglevel(1)
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65
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66 smtp_serv.ehlo()
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67
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68 #if server requires authorization you must provide login and password
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69 #but only if we have them
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70 if self.user and self.passwd:
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71 smtp_serv.login(self.user, self.passwd)
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72
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73
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74 date_ = formatdate(localtime=True)
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75 msg = MIMEMultipart()
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76 msg['From'] = self.mail_from
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77 msg['To'] = ','.join(recipients)
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78 msg['Date'] = date_
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79 msg['Subject'] = subject
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80 msg.preamble = 'You will not see this in a MIME-aware mail reader.\n'
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81
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82 msg.attach(MIMEText(body))
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83
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84 if attachment_files:
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85 self.__atach_files(msg, attachment_files)
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86
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87 smtp_serv.sendmail(self.mail_from, recipients, msg.as_string())
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88 logging.info('MAIL SEND TO: %s' % recipients)
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89
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90 try:
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91 smtp_serv.quit()
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92 except sslerror:
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93 # sslerror is raised in tls connections on closing sometimes
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94 pass
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95
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97
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98 def __atach_files(self, msg, attachment_files):
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99 if isinstance(attachment_files, dict):
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100 for f_name, msg_file in attachment_files.items():
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101 ctype, encoding = mimetypes.guess_type(f_name)
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102 logging.info("guessing file %s type based on %s" , ctype, f_name)
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103 if ctype is None or encoding is not None:
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104 # No guess could be made, or the file is encoded (compressed), so
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105 # use a generic bag-of-bits type.
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106 ctype = 'application/octet-stream'
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107 maintype, subtype = ctype.split('/', 1)
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108 if maintype == 'text':
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109 # Note: we should handle calculating the charset
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110 file_part = MIMEText(self.get_content(msg_file),
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111 _subtype=subtype)
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112 elif maintype == 'image':
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113 file_part = MIMEImage(self.get_content(msg_file),
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114 _subtype=subtype)
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115 elif maintype == 'audio':
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116 file_part = MIMEAudio(self.get_content(msg_file),
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117 _subtype=subtype)
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118 else:
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119 file_part = MIMEBase(maintype, subtype)
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120 file_part.set_payload(self.get_content(msg_file))
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121 # Encode the payload using Base64
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122 encoders.encode_base64(msg)
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123 # Set the filename parameter
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124 file_part.add_header('Content-Disposition', 'attachment',
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125 filename=f_name)
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126 file_part.add_header('Content-Type', ctype, name=f_name)
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127 msg.attach(file_part)
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128 else:
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129 raise Exception('Attachment files should be'
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130 'a dict in format {"filename":"filepath"}')
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131
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132 def get_content(self, msg_file):
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133 '''
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134 Get content based on type, if content is a string do open first
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135 else just read because it's a probably open file object
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136 :param msg_file:
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137 '''
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138 if isinstance(msg_file, str):
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139 return open(msg_file, "rb").read()
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140 else:
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141 #just for safe seek to 0
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142 msg_file.seek(0)
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143 return msg_file.read()