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
|
import os
import sys
import errno
import time
# provide all for python 2.4
try:
from __builtin__ import all
except ImportError:
def all(items):
for x in items:
if not x:
return False
return True
def fsescape(s):
res = []
for x in s:
c = ord(x)
if c>127:
res.append("~%s~" % c)
elif c==126: # ord("~")==126
res.append("~~")
else:
res.append(x)
return "".join(res)
def start_logging(path):
sys.stderr.flush()
sys.stdout.flush()
f = open(path, "a")
fd = f.fileno()
os.dup2(fd, 1)
os.dup2(fd, 2)
null=os.open('/dev/null', os.O_RDWR)
os.dup2(null, 0)
os.close(null)
def daemonize(dev_null=False):
# See http://www.erlenstar.demon.co.uk/unix/faq_toc.html#TOC16
if os.fork(): # launch child and...
os._exit(0) # kill off parent
os.setsid()
if os.fork(): # launch child and...
os._exit(0) # kill off parent again.
os.umask(077)
if dev_null:
null=os.open('/dev/null', os.O_RDWR)
for i in range(3):
try:
os.dup2(null, i)
except OSError, e:
if e.errno != errno.EBADF:
raise
os.close(null)
def shell_exec(cmd):
"""Execute cmd in a subshell
@param cmd: command to execute with os.system(), if given as unicode its
converted to str using sys.getfilesystemencoding()
@type cmd: basestring
@returns: exit code of command
@rtype: int
"""
if isinstance(cmd, unicode):
enc = sys.getfilesystemencoding()
assert enc is not None, 'no filesystem encoding (set LANG)'
cmd = cmd.encode(enc, 'ignore')
return os.system(cmd)
def get_multipart(filename, data, name):
"""Build data in format multipart/form-data to be used to POST binary data.
@param filename: filename to be used in multipart request
@type filenaem: basestring
@param data: binary data to include
@type data: str
@param name: name to be used in multipart request
@type name: basestring
@returns: tuple containing content-type and body for the request
@rtype: (str, str)
"""
if isinstance(filename, unicode):
filename = filename.encode('utf-8', 'ignore')
if isinstance(name, unicode):
name = name.encode('utf-8', 'ignore')
boundary = "-"*20 + ("%f" % time.time()) + "-"*20
items = []
items.append("--" + boundary)
items.append('Content-Disposition: form-data; name="%(name)s"; filename="%(filename)s"'\
% {'name': name, 'filename': filename})
items.append('Content-Type: application/octet-stream')
items.append('')
items.append(data)
items.append('--' + boundary + '--')
items.append('')
body = "\r\n".join(items)
content_type = 'multipart/form-data; boundary=%s' % boundary
return content_type, body
|
