bt2: make it work for Python 3.4
[babeltrace.git] / src / bindings / python / bt2 / bt2 / event_class.py
1 # The MIT License (MIT)
2 #
3 # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
4 #
5 # Permission is hereby granted, free of charge, to any person obtaining a copy
6 # of this software and associated documentation files (the "Software"), to deal
7 # in the Software without restriction, including without limitation the rights
8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 # copies of the Software, and to permit persons to whom the Software is
10 # furnished to do so, subject to the following conditions:
11 #
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
14 #
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 # THE SOFTWARE.
22
23 from bt2 import native_bt, object, utils
24 from bt2 import field_class as bt2_field_class
25 from bt2 import value as bt2_value
26
27
28 def _bt2_stream_class():
29 from bt2 import stream_class as bt2_stream_class
30
31 return bt2_stream_class
32
33
34 class EventClassLogLevel:
35 EMERGENCY = native_bt.EVENT_CLASS_LOG_LEVEL_EMERGENCY
36 ALERT = native_bt.EVENT_CLASS_LOG_LEVEL_ALERT
37 CRITICAL = native_bt.EVENT_CLASS_LOG_LEVEL_CRITICAL
38 ERROR = native_bt.EVENT_CLASS_LOG_LEVEL_ERROR
39 WARNING = native_bt.EVENT_CLASS_LOG_LEVEL_WARNING
40 NOTICE = native_bt.EVENT_CLASS_LOG_LEVEL_NOTICE
41 INFO = native_bt.EVENT_CLASS_LOG_LEVEL_INFO
42 DEBUG_SYSTEM = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM
43 DEBUG_PROGRAM = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM
44 DEBUG_PROCESS = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS
45 DEBUG_MODULE = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE
46 DEBUG_UNIT = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT
47 DEBUG_FUNCTION = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION
48 DEBUG_LINE = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_LINE
49 DEBUG = native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG
50
51
52 class _EventClassConst(object._SharedObject):
53 _get_ref = staticmethod(native_bt.event_class_get_ref)
54 _put_ref = staticmethod(native_bt.event_class_put_ref)
55 _borrow_stream_class_ptr = staticmethod(
56 native_bt.event_class_borrow_stream_class_const
57 )
58 _borrow_specific_context_field_class_ptr = staticmethod(
59 native_bt.event_class_borrow_specific_context_field_class_const
60 )
61 _borrow_payload_field_class_ptr = staticmethod(
62 native_bt.event_class_borrow_payload_field_class_const
63 )
64 _borrow_user_attributes_ptr = staticmethod(
65 native_bt.event_class_borrow_user_attributes_const
66 )
67 _create_field_class_from_ptr_and_get_ref = staticmethod(
68 bt2_field_class._create_field_class_from_const_ptr_and_get_ref
69 )
70 _create_value_from_ptr_and_get_ref = staticmethod(
71 bt2_value._create_from_const_ptr_and_get_ref
72 )
73 _stream_class_pycls = property(lambda s: _bt2_stream_class()._StreamClassConst)
74
75 @property
76 def stream_class(self):
77 sc_ptr = self._borrow_stream_class_ptr(self._ptr)
78
79 if sc_ptr is not None:
80 return self._stream_class_pycls._create_from_ptr_and_get_ref(sc_ptr)
81
82 @property
83 def user_attributes(self):
84 ptr = self._borrow_user_attributes_ptr(self._ptr)
85 assert ptr is not None
86 return self._create_value_from_ptr_and_get_ref(ptr)
87
88 @property
89 def name(self):
90 return native_bt.event_class_get_name(self._ptr)
91
92 @property
93 def id(self):
94 id = native_bt.event_class_get_id(self._ptr)
95 return id if id >= 0 else None
96
97 @property
98 def log_level(self):
99 is_available, log_level = native_bt.event_class_get_log_level(self._ptr)
100
101 if is_available != native_bt.PROPERTY_AVAILABILITY_AVAILABLE:
102 return None
103
104 return _EVENT_CLASS_LOG_LEVEL_TO_OBJ[log_level]
105
106 @property
107 def emf_uri(self):
108 return native_bt.event_class_get_emf_uri(self._ptr)
109
110 @property
111 def specific_context_field_class(self):
112 fc_ptr = self._borrow_specific_context_field_class_ptr(self._ptr)
113
114 if fc_ptr is None:
115 return
116
117 return self._create_field_class_from_ptr_and_get_ref(fc_ptr)
118
119 @property
120 def payload_field_class(self):
121 fc_ptr = self._borrow_payload_field_class_ptr(self._ptr)
122
123 if fc_ptr is None:
124 return
125
126 return self._create_field_class_from_ptr_and_get_ref(fc_ptr)
127
128
129 class _EventClass(_EventClassConst):
130 _borrow_stream_class_ptr = staticmethod(native_bt.event_class_borrow_stream_class)
131 _borrow_specific_context_field_class_ptr = staticmethod(
132 native_bt.event_class_borrow_specific_context_field_class
133 )
134 _borrow_payload_field_class_ptr = staticmethod(
135 native_bt.event_class_borrow_payload_field_class
136 )
137 _borrow_user_attributes_ptr = staticmethod(
138 native_bt.event_class_borrow_user_attributes
139 )
140 _create_field_class_from_ptr_and_get_ref = staticmethod(
141 bt2_field_class._create_field_class_from_ptr_and_get_ref
142 )
143 _create_value_from_ptr_and_get_ref = staticmethod(
144 bt2_value._create_from_ptr_and_get_ref
145 )
146 _stream_class_pycls = property(lambda s: _bt2_stream_class()._StreamClass)
147
148 def _user_attributes(self, user_attributes):
149 value = bt2_value.create_value(user_attributes)
150 utils._check_type(value, bt2_value.MapValue)
151 native_bt.event_class_set_user_attributes(self._ptr, value._ptr)
152
153 _user_attributes = property(fset=_user_attributes)
154
155 def _name(self, name):
156 utils._check_str(name)
157 return native_bt.event_class_set_name(self._ptr, name)
158
159 _name = property(fset=_name)
160
161 def _log_level(self, log_level):
162 log_levels = (
163 EventClassLogLevel.EMERGENCY,
164 EventClassLogLevel.ALERT,
165 EventClassLogLevel.CRITICAL,
166 EventClassLogLevel.ERROR,
167 EventClassLogLevel.WARNING,
168 EventClassLogLevel.NOTICE,
169 EventClassLogLevel.INFO,
170 EventClassLogLevel.DEBUG_SYSTEM,
171 EventClassLogLevel.DEBUG_PROGRAM,
172 EventClassLogLevel.DEBUG_PROCESS,
173 EventClassLogLevel.DEBUG_MODULE,
174 EventClassLogLevel.DEBUG_UNIT,
175 EventClassLogLevel.DEBUG_FUNCTION,
176 EventClassLogLevel.DEBUG_LINE,
177 EventClassLogLevel.DEBUG,
178 )
179
180 if log_level not in log_levels:
181 raise ValueError("'{}' is not a valid log level".format(log_level))
182
183 native_bt.event_class_set_log_level(self._ptr, log_level)
184
185 _log_level = property(fset=_log_level)
186
187 def _emf_uri(self, emf_uri):
188 utils._check_str(emf_uri)
189 status = native_bt.event_class_set_emf_uri(self._ptr, emf_uri)
190 utils._handle_func_status(status, "cannot set event class object's EMF URI")
191
192 _emf_uri = property(fset=_emf_uri)
193
194 def _specific_context_field_class(self, context_field_class):
195 if context_field_class is not None:
196 utils._check_type(context_field_class, bt2_field_class._StructureFieldClass)
197 status = native_bt.event_class_set_specific_context_field_class(
198 self._ptr, context_field_class._ptr
199 )
200 utils._handle_func_status(
201 status, "cannot set event class object's context field class"
202 )
203
204 _specific_context_field_class = property(fset=_specific_context_field_class)
205
206 def _payload_field_class(self, payload_field_class):
207 if payload_field_class is not None:
208 utils._check_type(payload_field_class, bt2_field_class._StructureFieldClass)
209 status = native_bt.event_class_set_payload_field_class(
210 self._ptr, payload_field_class._ptr
211 )
212 utils._handle_func_status(
213 status, "cannot set event class object's payload field class"
214 )
215
216 _payload_field_class = property(fset=_payload_field_class)
217
218
219 _EVENT_CLASS_LOG_LEVEL_TO_OBJ = {
220 native_bt.EVENT_CLASS_LOG_LEVEL_EMERGENCY: EventClassLogLevel.EMERGENCY,
221 native_bt.EVENT_CLASS_LOG_LEVEL_ALERT: EventClassLogLevel.ALERT,
222 native_bt.EVENT_CLASS_LOG_LEVEL_CRITICAL: EventClassLogLevel.CRITICAL,
223 native_bt.EVENT_CLASS_LOG_LEVEL_ERROR: EventClassLogLevel.ERROR,
224 native_bt.EVENT_CLASS_LOG_LEVEL_WARNING: EventClassLogLevel.WARNING,
225 native_bt.EVENT_CLASS_LOG_LEVEL_NOTICE: EventClassLogLevel.NOTICE,
226 native_bt.EVENT_CLASS_LOG_LEVEL_INFO: EventClassLogLevel.INFO,
227 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM: EventClassLogLevel.DEBUG_SYSTEM,
228 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM: EventClassLogLevel.DEBUG_PROGRAM,
229 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS: EventClassLogLevel.DEBUG_PROCESS,
230 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE: EventClassLogLevel.DEBUG_MODULE,
231 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT: EventClassLogLevel.DEBUG_UNIT,
232 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION: EventClassLogLevel.DEBUG_FUNCTION,
233 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG_LINE: EventClassLogLevel.DEBUG_LINE,
234 native_bt.EVENT_CLASS_LOG_LEVEL_DEBUG: EventClassLogLevel.DEBUG,
235 }
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