108
109
110
111
112
113
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136
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138
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140
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142
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144
|
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
|
-
+
-
+
+
-
+
+
-
|
"""
def __init__(
self,
layer='',
code='',
output='',
environment={},
environment=None,
):
"""
layer here is some description of where in the system the exception
occurred.
"""
if environment is None: environment = {}
self.layer = layer
self.code = code
self.output = output
self.environment = environment
if layer:
try:
self.traceback = traceback.format_exc()
except:
self.traceback = 'no traceback because template parting error'
try:
self.snapshot = snapshot(context=10,code=code,environment=environment)
self.snapshot = snapshot(context=10,code=code,
environment=self.environment)
except:
self.snapshot = {}
else:
self.traceback = '(no error)'
self.snapshot = {}
self.environment = environment
|
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
-
+
+
|
def compile2(code,layer):
"""
The +'\n' is necessary else compile fails when code ends in a comment.
"""
return compile(code.rstrip().replace('\r\n','\n')+'\n', layer, 'exec')
def restricted(code, environment={}, layer='Unknown'):
def restricted(code, environment=None, layer='Unknown'):
"""
runs code in environment and returns the output. if an exception occurs
in code it raises a RestrictedError containing the traceback. layer is
passed to RestrictedError to identify where the error occurred.
"""
if environment is None: environment = {}
environment['__file__'] = layer
try:
if type(code) == types.CodeType:
ccode = code
else:
ccode = compile2(code,layer)
exec ccode in environment
|
279
280
281
282
283
284
285
286
|
281
282
283
284
285
286
287
288
289
290
|
+
+
|
# add web2py environment variables
for k,v in environment.items():
if k in ('request', 'response', 'session'):
s[k] = BEAUTIFY(v)
return s
|