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
147
148
149
|
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
import os, socket, time, textwrap, re
try:
from ssl import wrap_socket as ssl
except ImportError:
from socket import ssl as wrap_socket
class ssl:
def __init__(self, sock):
self.sock = sock
self.ssl = wrap_socket(sock)
def recv(self, n):
return self.ssl.read(n)
def send(self, s):
return self.ssl.write(s)
def close(self):
self.sock.close()
def connect(host, port):
sock = socket.socket()
sock.connect((host, port))
sock.setblocking(1)
# XXX: we could use this on read, but we'd have to put write in a
# loop as well
# sock.settimeout(1)
return sock
def listen(host, port, predicate = lambda: True, bound = lambda: None):
sock = socket.socket()
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind((host, port))
sock.listen(5)
bound()
while predicate():
s, a = sock.accept()
yield s
def mtime(filename):
return os.stat(filename).st_mtime
def wait(condition, predicate, timeout=None):
condition.acquire()
try:
passed = 0
start = time.time()
while not predicate():
if timeout is None:
# using the timed wait prevents keyboard interrupts from being
# blocked while waiting
condition.wait(3)
elif passed < timeout:
condition.wait(timeout - passed)
else:
return False
passed = time.time() - start
return True
finally:
condition.release()
def notify(condition, action=lambda: None):
condition.acquire()
try:
action()
condition.notifyAll()
finally:
condition.release()
def fill(text, indent, heading = None):
sub = indent * " "
if heading:
if not text:
return (indent - 2) * " " + heading
init = (indent - 2) * " " + heading + " -- "
else:
init = sub
w = textwrap.TextWrapper(initial_indent = init, subsequent_indent = sub)
return w.fill(" ".join(text.split()))
class URL:
RE = re.compile(r"""
# [ <scheme>:// ] [ <user> [ / <password> ] @] <host> [ :<port> ]
^ (?: ([^:/@]+)://)? (?: ([^:/@]+) (?: / ([^:/@]+) )? @)? ([^@:/]+) (?: :([0-9]+))?$
""", re.X)
AMQPS = "amqps"
AMQP = "amqp"
def __init__(self, s):
if isinstance(s, URL):
self.scheme = s.scheme
self.user = s.user
self.password = s.password
self.host = s.host
self.port = s.port
else:
match = URL.RE.match(s)
if match is None:
raise ValueError(s)
self.scheme, self.user, self.password, self.host, port = match.groups()
if port is None:
self.port = None
else:
self.port = int(port)
def __repr__(self):
return "URL(%r)" % str(self)
def __str__(self):
s = ""
if self.scheme:
s += "%s://" % self.scheme
if self.user:
s += self.user
if self.password:
s += "/%s" % self.password
s += "@"
s += self.host
if self.port:
s += ":%s" % self.port
return s
def default(value, default):
if value is None:
return default
else:
return value
|
