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
|
# Copyright (c) The PyAMF Project.
# See LICENSE.txt for details.
"""
Simple PyAMF client.
@see: U{Simple Example<http://pyamf.org/tutorials/actionscript/simple.html>} documentation.
@since: 0.5
"""
import logging
from server import AMF_NAMESPACE, host_info
import pyamf
from pyamf.remoting.client import RemotingService
logging.basicConfig(
level=logging.DEBUG,
format='%(asctime)s %(levelname)-5.5s [%(name)s] %(message)s')
class UserDataTransferObject(object):
"""
Models information associated with a simple user object.
"""
# a default paren-paren constructor is needed for classes
# that will be passed via AMF
def __init__(self, username=None, password=None, email=None):
"""
Create an instance of a user object.
"""
self.username = username
self.password = password
self.email = email
def main():
"""
Entry point for this client script.
"""
url = 'http://%s:%d' % (host_info[0], host_info[1])
client = RemotingService(url, logger=logging)
print "Client running - pointing to server at %s" % url
# at this point, calling the service gets us a dict of values
user_service = client.getService('user')
lenards = user_service.get_user('lenards')
# in case you don't believe me - this shows I'm not lying
logging.debug("isinstance(lenards, dict): %s" % isinstance(lenards, dict))
# the User class attributes are not present at this point
logging.debug("not hasattr(lenards, 'username'): %s" %
(not hasattr(lenards, 'username')))
logging.debug("not hasattr(lenards, 'email'): %s" %
(not hasattr(lenards, 'email')))
logging.debug("not hasattr(lenards, 'password'): %s" %
(not hasattr(lenards, 'password')))
# but the values are there
logging.debug("lenards['username'] == 'lenards': %s" %
(lenards['username'] == 'lenards'))
logging.debug("lenards['email'] == 'lenards@ndy.net': %s" %
(lenards['email'] == 'lenards@ndy.net'))
logging.debug("Output 'lenards': %s" % lenards)
# if we register the class and the namespace, we get an object ref
# (complete with attributes and such)
logging.debug("Register UserDataTransferObject class...")
pyamf.register_class(UserDataTransferObject, '%s.User' % AMF_NAMESPACE)
logging.debug("Get a user from the server...")
usr = user_service.get_user('lisa')
# ensure it's the class we expect
logging.debug("Ensure the class we got is our DTO, " +
"isinstance(usr, UserDataTransferObject): %s" %
isinstance(usr, UserDataTransferObject))
# verify it has expected attributes
logging.debug("Verify attributes present...")
logging.debug("usr.username: %s" % usr.username)
logging.debug("usr.email == 'lisa@pwns.net': %s" %
(usr.email == 'lisa@pwns.net'))
logging.debug("usr.password == 'h1k3r': %s" %
(usr.password == 'h1k3r'))
logging.debug("Output user returned: %s" % usr)
# request an unknown user
logging.debug("Try to get a user that does not exist...")
george = user_service.get_user('george')
logging.debug("Output returned: %s" % george)
if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser()
parser.add_option("--host", default=host_info[0],
dest="host", help="host address [default: %default]")
parser.add_option("-p", "--port", default=host_info[1],
dest="port", help="port number [default: %default]")
(options, args) = parser.parse_args()
host_info[0] = options.host
host_info[1] = int(options.port)
# now we rock the code
main()
|
