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19 from cproton import *
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30 raise TypeError("does not support item assignment")
31
32 EMPTY_ATTRS = EmptyAttrs()
33
35
36 - def __init__(self, impl_or_constructor, get_context=None):
37 init = False
38 if callable(impl_or_constructor):
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40 impl = impl_or_constructor()
41 init = True
42 else:
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44 impl = impl_or_constructor
45 pn_incref(impl)
46
47 if get_context:
48 record = get_context(impl)
49 attrs = pn_void2py(pn_record_get(record, PYCTX))
50 if attrs is None:
51 attrs = {}
52 pn_record_def(record, PYCTX, PN_PYREF)
53 pn_record_set(record, PYCTX, pn_py2void(attrs))
54 init = True
55 else:
56 attrs = EMPTY_ATTRS
57 init = False
58 self.__dict__["_impl"] = impl
59 self.__dict__["_attrs"] = attrs
60 if init: self._init()
61
63 attrs = self.__dict__["_attrs"]
64 if name in attrs:
65 return attrs[name]
66 else:
67 raise AttributeError(name)
68
70 if hasattr(self.__class__, name):
71 object.__setattr__(self, name, value)
72 else:
73 attrs = self.__dict__["_attrs"]
74 attrs[name] = value
75
77 attrs = self.__dict__["_attrs"]
78 if attrs:
79 del attrs[name]
80
82 return hash(addressof(self._impl))
83
85 if isinstance(other, Wrapper):
86 return cmp(addressof(self._impl), addressof(other._impl))
87 else:
88 return -1
89
92
94 return '<%s.%s 0x%x ~ 0x%x>' % (self.__class__.__module__,
95 self.__class__.__name__,
96 id(self), addressof(self._impl))
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98
99 if pn_py2void(Wrapper) is Wrapper:
100 PYCTX = Wrapper
101 import java.lang.System
102 addressof = java.lang.System.identityHashCode
103 else:
104 PYCTX = int(pn_py2void(Wrapper))
105 addressof = int
106