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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
|
import six
import wsme.types
try:
from lxml import etree as ET
use_lxml = True
except ImportError:
from xml.etree import cElementTree as ET # noqa
use_lxml = False
def xml_tostring(el, pretty_print=False):
if use_lxml:
return ET.tostring(el, pretty_print=pretty_print)
return ET.tostring(el)
class NS(object):
def __init__(self, url):
self.url = url
def __call__(self, name):
return self.qn(name)
def __str__(self):
return self.url
def qn(self, name):
return '{%s}%s' % (self.url, name)
wsdl_ns = NS("http://schemas.xmlsoap.org/wsdl/")
soap_ns = NS("http://schemas.xmlsoap.org/wsdl/soap/")
xs_ns = NS("http://www.w3.org/2001/XMLSchema")
soapenc_ns = NS("http://schemas.xmlsoap.org/soap/encoding/")
class WSDLGenerator(object):
def __init__(
self,
tns,
types_ns,
soapenc,
service_name,
complex_types,
funclist,
arrays,
baseURL,
soap_array,
soap_type,
soap_fname):
self.tns = NS(tns)
self.types_ns = NS(types_ns)
self.soapenc = soapenc
self.service_name = service_name
self.complex_types = complex_types
self.funclist = funclist
self.arrays = arrays
self.baseURL = baseURL or ''
self.soap_array = soap_array
self.soap_fname = soap_fname
self.soap_type = soap_type
def gen_complex_type(self, cls):
complexType = ET.Element(xs_ns('complexType'))
complexType.set('name', cls.__name__)
sequence = ET.SubElement(complexType, xs_ns('sequence'))
for attrdef in wsme.types.list_attributes(cls):
soap_type = self.soap_type(attrdef.datatype, str(self.types_ns))
if soap_type is None:
continue
element = ET.SubElement(sequence, xs_ns('element'))
element.set('name', attrdef.name)
element.set('type', soap_type)
element.set('minOccurs', '1' if attrdef.mandatory else '0')
element.set('maxOccurs', '1')
return complexType
def gen_array(self, array):
complexType = ET.Element(xs_ns('complexType'))
complexType.set('name', self.soap_array(array, False))
ET.SubElement(
ET.SubElement(complexType, xs_ns('sequence')),
xs_ns('element'),
name='item',
maxOccurs='unbounded',
nillable='true',
type=self.soap_type(array.item_type, self.types_ns)
)
return complexType
def gen_function_types(self, path, funcdef):
args_el = ET.Element(
xs_ns('element'),
name=self.soap_fname(path, funcdef)
)
sequence = ET.SubElement(
ET.SubElement(args_el, xs_ns('complexType')),
xs_ns('sequence')
)
for farg in funcdef.arguments:
t = self.soap_type(farg.datatype, True)
if t is None:
continue
element = ET.SubElement(
sequence, xs_ns('element'),
name=farg.name,
type=self.soap_type(farg.datatype, True)
)
if not farg.mandatory:
element.set('minOccurs', 0)
response_el = ET.Element(
xs_ns('element'),
name=self.soap_fname(path, funcdef) + 'Response'
)
element = ET.SubElement(
ET.SubElement(
ET.SubElement(
response_el,
xs_ns('complexType')
),
xs_ns('sequence')
),
xs_ns('element'),
name='result'
)
return_soap_type = self.soap_type(funcdef.return_type, True)
if return_soap_type is not None:
element.set('type', return_soap_type)
return args_el, response_el
def gen_types(self):
types = ET.Element(wsdl_ns('types'))
schema = ET.SubElement(types, xs_ns('schema'))
schema.set('elementFormDefault', 'qualified')
schema.set('targetNamespace', str(self.types_ns))
for cls in self.complex_types:
schema.append(self.gen_complex_type(cls))
for array in self.arrays:
schema.append(self.gen_array(array))
for path, funcdef in self.funclist:
schema.extend(self.gen_function_types(path, funcdef))
return types
def gen_functions(self):
messages = []
binding = ET.Element(
wsdl_ns('binding'),
name='%s_Binding' % self.service_name,
type='%s_PortType' % self.service_name
)
ET.SubElement(
binding,
soap_ns('binding'),
style='document',
transport='http://schemas.xmlsoap.org/soap/http'
)
portType = ET.Element(
wsdl_ns('portType'),
name='%s_PortType' % self.service_name
)
for path, funcdef in self.funclist:
soap_fname = self.soap_fname(path, funcdef)
# message
req_message = ET.Element(
wsdl_ns('message'),
name=soap_fname + 'Request',
xmlns=str(self.types_ns)
)
ET.SubElement(
req_message,
wsdl_ns('part'),
name='parameters',
element='types:%s' % soap_fname
)
messages.append(req_message)
res_message = ET.Element(
wsdl_ns('message'),
name=soap_fname + 'Response',
xmlns=str(self.types_ns)
)
ET.SubElement(
res_message,
wsdl_ns('part'),
name='parameters',
element='types:%sResponse' % soap_fname
)
messages.append(res_message)
# portType/operation
operation = ET.SubElement(
portType,
wsdl_ns('operation'),
name=soap_fname
)
if funcdef.doc:
ET.SubElement(
operation,
wsdl_ns('documentation')
).text = funcdef.doc
ET.SubElement(
operation, wsdl_ns('input'),
message='tns:%sRequest' % soap_fname
)
ET.SubElement(
operation, wsdl_ns('output'),
message='tns:%sResponse' % soap_fname
)
# binding/operation
operation = ET.SubElement(
binding,
wsdl_ns('operation'),
name=soap_fname
)
ET.SubElement(
operation,
wsdl_ns('operation'),
soapAction=soap_fname
)
ET.SubElement(
ET.SubElement(
operation,
wsdl_ns('input')
),
soap_ns('body'),
use='literal'
)
ET.SubElement(
ET.SubElement(
operation,
wsdl_ns('output')
),
soap_ns('body'),
use='literal'
)
return messages + [portType, binding]
def gen_service(self):
service = ET.Element(wsdl_ns('service'), name=self.service_name)
ET.SubElement(
service,
wsdl_ns('documentation')
).text = six.u('WSDL File for %s') % self.service_name
ET.SubElement(
ET.SubElement(
service,
wsdl_ns('port'),
binding='tns:%s_Binding' % self.service_name,
name='%s_PortType' % self.service_name
),
soap_ns('address'),
location=self.baseURL
)
return service
def gen_definitions(self):
attrib = {
'name': self.service_name,
'targetNamespace': str(self.tns)
}
if use_lxml:
definitions = ET.Element(
wsdl_ns('definitions'),
attrib=attrib,
nsmap={
'xs': str(xs_ns),
'soap': str(soap_ns),
'types': str(self.types_ns),
'tns': str(self.tns)
}
)
else:
definitions = ET.Element(wsdl_ns('definitions'), **attrib)
definitions.set('xmlns:types', str(self.types_ns))
definitions.set('xmlns:tns', str(self.tns))
definitions.set('name', self.service_name)
definitions.append(self.gen_types())
definitions.extend(self.gen_functions())
definitions.append(self.gen_service())
return definitions
def generate(self, format=False):
return xml_tostring(self.gen_definitions(), pretty_print=format)
|
