1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
#!/usr/bin/env python2
# Copyright 2011 Google Inc. All Rights Reserved.
"""Utilities to send email either through SMTP or SendGMR."""
from __future__ import print_function
from email import encoders as Encoders
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import getpass
import os
import smtplib
import tempfile
from cros_utils import command_executer
class EmailSender(object):
"""Utility class to send email through SMTP or SendGMR."""
class Attachment(object):
"""Small class to keep track of attachment info."""
def __init__(self, name, content):
self.name = name
self.content = content
def SendEmail(self,
email_to,
subject,
text_to_send,
email_cc=None,
email_bcc=None,
email_from=None,
msg_type='plain',
attachments=None):
"""Choose appropriate email method and call it."""
if os.path.exists('/usr/bin/sendgmr'):
self.SendGMREmail(email_to, subject, text_to_send, email_cc, email_bcc,
email_from, msg_type, attachments)
else:
self.SendSMTPEmail(email_to, subject, text_to_send, email_cc, email_bcc,
email_from, msg_type, attachments)
def SendSMTPEmail(self, email_to, subject, text_to_send, email_cc, email_bcc,
email_from, msg_type, attachments):
"""Send email via standard smtp mail."""
# Email summary to the current user.
msg = MIMEMultipart()
if not email_from:
email_from = os.path.basename(__file__)
msg['To'] = ','.join(email_to)
msg['Subject'] = subject
if email_from:
msg['From'] = email_from
if email_cc:
msg['CC'] = ','.join(email_cc)
email_to += email_cc
if email_bcc:
msg['BCC'] = ','.join(email_bcc)
email_to += email_bcc
msg.attach(MIMEText(text_to_send, msg_type))
if attachments:
for attachment in attachments:
part = MIMEBase('application', 'octet-stream')
part.set_payload(attachment.content)
Encoders.encode_base64(part)
part.add_header('Content-Disposition',
"attachment; filename=\"%s\"" % attachment.name)
msg.attach(part)
# Send the message via our own SMTP server, but don't include the
# envelope header.
s = smtplib.SMTP('localhost')
s.sendmail(email_from, email_to, msg.as_string())
s.quit()
def SendGMREmail(self, email_to, subject, text_to_send, email_cc, email_bcc,
email_from, msg_type, attachments):
"""Send email via sendgmr program."""
ce = command_executer.GetCommandExecuter(log_level='none')
if not email_from:
email_from = getpass.getuser() + '@google.com'
to_list = ','.join(email_to)
if not text_to_send:
text_to_send = 'Empty message body.'
body_fd, body_filename = tempfile.mkstemp()
to_be_deleted = [body_filename]
try:
os.write(body_fd, text_to_send)
os.close(body_fd)
# Fix single-quotes inside the subject. In bash, to escape a single quote
# (e.g 'don't') you need to replace it with '\'' (e.g. 'don'\''t'). To
# make Python read the backslash as a backslash rather than an escape
# character, you need to double it. So...
subject = subject.replace("'", "'\\''")
if msg_type == 'html':
command = ("sendgmr --to='%s' --from='%s' --subject='%s' "
"--html_file='%s' --body_file=/dev/null" %
(to_list, email_from, subject, body_filename))
else:
command = (
"sendgmr --to='%s' --from='%s' --subject='%s' "
"--body_file='%s'" % (to_list, email_from, subject, body_filename))
if email_cc:
cc_list = ','.join(email_cc)
command += " --cc='%s'" % cc_list
if email_bcc:
bcc_list = ','.join(email_bcc)
command += " --bcc='%s'" % bcc_list
if attachments:
attachment_files = []
for attachment in attachments:
if '<html>' in attachment.content:
report_suffix = '_report.html'
else:
report_suffix = '_report.txt'
fd, fname = tempfile.mkstemp(suffix=report_suffix)
os.write(fd, attachment.content)
os.close(fd)
attachment_files.append(fname)
files = ','.join(attachment_files)
command += " --attachment_files='%s'" % files
to_be_deleted += attachment_files
# Send the message via our own GMR server.
status = ce.RunCommand(command)
return status
finally:
for f in to_be_deleted:
os.remove(f)
|