bt2: add `ComponentDescriptor` class and test

[babeltrace.git] / src / bindings / python / bt2 / bt2 / __init__.py

diff --git a/src/bindings/python/bt2/bt2/__init__.py b/src/bindings/python/bt2/bt2/__init__.py
index 313ede9b66c95abe0896fed8e5da7b031494d24a..9dd9f2e1957e7ffd9e50872c806eedad94a960e9 100644 (file)
--- a/src/bindings/python/bt2/bt2/__init__.py
+++ b/src/bindings/python/bt2/bt2/__init__.py
@@ -33,6 +33,7 @@ from bt2.component import _SinkComponent
 from bt2.component import _UserSourceComponent
 from bt2.component import _UserFilterComponent
 from bt2.component import _UserSinkComponent
+from bt2.component_descriptor import ComponentDescriptor
 from bt2.error import ComponentClassType
 from bt2.error import _ErrorCause
 from bt2.error import _ComponentErrorCause
@@ -99,6 +100,7 @@ from bt2.plugin import find_plugin
 from bt2.py_plugin import plugin_component_class
 from bt2.py_plugin import register_plugin
 from bt2.query_executor import QueryExecutor
+from bt2.trace_collection_message_iterator import AutoSourceComponentSpec
 from bt2.trace_collection_message_iterator import ComponentSpec
 from bt2.trace_collection_message_iterator import TraceCollectionMessageIterator
 from bt2.value import create_value
@@ -160,7 +162,12 @@ class _MemoryError(_Error):
     '''Raised when an operation fails due to memory issues.'''
 
 
-class InvalidObject(Exception):
+class UnknownObject(Exception):
+    '''
+    Raised when a component class handles a query for an object it doesn't
+    know about.
+    '''
+
     pass
 
 
@@ -184,8 +191,8 @@ def _init_and_register_exit():
     from bt2 import native_bt
     import atexit
 
-    atexit.register(native_bt.bt2_cc_exit_handler)
-    native_bt.bt2_cc_init_from_bt2()
+    atexit.register(native_bt.bt2_exit_handler)
+    native_bt.bt2_init_from_bt2()
 
 
 _init_and_register_exit()