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
150
151
152
153
154
155
156
|
## The contents of this file are subject to the Mozilla Public License
## Version 1.1 (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.mozilla.org/MPL/
##
## Software distributed under the License is distributed on an "AS IS"
## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
## License for the specific language governing rights and limitations
## under the License.
##
## The Original Code is RabbitMQ.
##
## The Initial Developers of the Original Code are LShift Ltd.,
## Cohesive Financial Technologies LLC., and Rabbit Technologies Ltd.
##
## Portions created by LShift Ltd., Cohesive Financial Technologies
## LLC., and Rabbit Technologies Ltd. are Copyright (C) 2007-2008
## LShift Ltd., Cohesive Financial Technologies LLC., and Rabbit
## Technologies Ltd.;
##
## All Rights Reserved.
##
## Contributor(s): ______________________________________.
##
from __future__ import nested_scopes
import json
import re
def insert_base_types(d):
for t in ['octet', 'shortstr', 'longstr', 'short', 'long',
'longlong', 'bit', 'table', 'timestamp']:
d[t] = t
class AmqpSpec:
def __init__(self, filename):
self.spec = json.read(file(filename).read())
self.major = self.spec['major-version']
self.minor = self.spec['minor-version']
self.port = self.spec['port']
self.domains = {}
insert_base_types(self.domains)
for entry in self.spec['domains']:
self.domains[ entry[0] ] = entry[1]
self.constants = []
for d in self.spec['constants']:
if d.has_key('class'):
klass = d['class']
else:
klass = ''
self.constants.append((d['name'], d['value'], klass))
self.classes = []
for element in self.spec['classes']:
self.classes.append(AmqpClass(self.spec, element))
def allClasses(self):
return self.classes
def allMethods(self):
return [m for c in self.classes for m in c.allMethods()]
def resolveDomain(self, n):
return self.domains[n]
class AmqpEntity:
def __init__(self, element):
self.element = element
self.name = element['name']
class AmqpClass(AmqpEntity):
def __init__(self, spec, element):
AmqpEntity.__init__(self, element)
self.spec = spec
self.index = int(self.element['id'])
self.methods = []
for method_element in self.element['methods']:
self.methods.append(AmqpMethod(self, method_element))
self.hasContentProperties = False
for method in self.methods:
if method.hasContent:
self.hasContentProperties = True
break
self.fields = []
if self.element.has_key('properties'):
index = 0
for e in self.element['properties']:
self.fields.append(AmqpField(self, e, index))
index = index + 1
def allMethods(self):
return self.methods
def __repr__(self):
return 'AmqpClass("' + self.name + '")'
class AmqpMethod(AmqpEntity):
def __init__(self, klass, element):
AmqpEntity.__init__(self, element)
self.klass = klass
self.index = int(self.element['id'])
if self.element.has_key('synchronous'):
self.isSynchronous = self.element['synchronous']
else:
self.isSynchronous = False
if self.element.has_key('content'):
self.hasContent = self.element['content']
else:
self.hasContent = False
self.arguments = []
index = 0
for argument in element['arguments']:
self.arguments.append(AmqpField(self, argument, index))
index = index + 1
def __repr__(self):
return 'AmqpMethod("' + self.klass.name + "." + self.name + '" ' + repr(self.arguments) + ')'
class AmqpField(AmqpEntity):
def __init__(self, method, element, index):
AmqpEntity.__init__(self, element)
self.method = method
self.index = index
if self.element.has_key('type'):
self.domain = self.element['type']
else:
self.domain = self.element['domain']
def __repr__(self):
return 'AmqpField("' + self.name + '")'
import sys
def do_main(header_fn,body_fn):
def usage():
print >> sys.stderr , "Usage:"
print >> sys.stderr , " %s header|body path_to_amqp_spec.json" % (sys.argv[0])
print >> sys.stderr , ""
if not len(sys.argv) == 3:
usage()
sys.exit(1)
else:
if sys.argv[1] == "header":
header_fn(sys.argv[2])
elif sys.argv[1] == "body":
body_fn(sys.argv[2])
else:
usage()
|
