/usr/share/pyshared/qpid/util.py is in python-qpid 0.22+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# 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, sys
try:
from ssl import wrap_socket as ssl
except ImportError:
from socket import ssl as wrap_socket
class ssl:
def __init__(self, sock, keyfile=None, certfile=None, trustfile=None):
# Bug (QPID-4337): this is the "old" version of python SSL.
# The private key is required. If a certificate is given, but no
# keyfile, assume the key is contained in the certificate
if certfile and not keyfile:
keyfile = certfile
self.sock = sock
self.ssl = wrap_socket(sock, keyfile=keyfile, certfile=certfile)
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 get_client_properties_with_defaults(provided_client_properties={}):
ppid = 0
try:
ppid = os.getppid()
except:
pass
client_properties = {"product": "qpid python client",
"version": "development",
"platform": os.name,
"qpid.client_process": os.path.basename(sys.argv[0]),
"qpid.client_pid": os.getpid(),
"qpid.client_ppid": ppid}
if provided_client_properties:
client_properties.update(provided_client_properties)
return client_properties
def connect(host, port):
for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
sock = socket.socket(af, socktype, proto)
try:
sock.connect(sa)
break
except socket.error, msg:
sock.close
else:
# If we got here then we couldn't connect (yet)
raise
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> ] @] ( <host4> | \[ <host6> \] ) [ :<port> ]
^ (?: ([^:/@]+)://)? (?: ([^:/@]+) (?: / ([^:/@]+) )? @)? (?: ([^@:/\[]+) | \[ ([a-f0-9:.]+) \] ) (?: :([0-9]+))?$
""", re.X | re.I)
AMQPS = "amqps"
AMQP = "amqp"
def __init__(self, s=None, **kwargs):
if s is None:
self.scheme = kwargs.get('scheme', None)
self.user = kwargs.get('user', None)
self.password = kwargs.get('password', None)
self.host = kwargs.get('host', None)
self.port = kwargs.get('port', None)
if self.host is None:
raise ValueError('Host required for url')
elif 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, host4, host6, port = match.groups()
self.host = host4 or host6
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 += "@"
if ':' not in self.host:
s += self.host
else:
s += "[%s]" % self.host
if self.port:
s += ":%s" % self.port
return s
def __eq__(self, url):
if isinstance(url, basestring):
url = URL(url)
return \
self.scheme==url.scheme and \
self.user==url.user and self.password==url.password and \
self.host==url.host and self.port==url.port
def __ne__(self, url):
return not self.__eq__(url)
def default(value, default):
if value is None:
return default
else:
return value
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