//Events
-
%rename("_bt_ctf_get_top_level_scope") bt_ctf_get_top_level_scope(const struct
bt_ctf_event *event, enum bt_ctf_scope scope);
%rename("_bt_ctf_event_name") bt_ctf_event_name(const struct bt_ctf_event *ctf_event);
break
return name
-
class scope:
TRACE_PACKET_HEADER = 0
STREAM_PACKET_CONTEXT = 1
EVENT_CONTEXT = 4
EVENT_FIELDS = 5
+# Priority of the scopes when searching for event fields
+_scopes = [scope.EVENT_FIELDS, scope.EVENT_CONTEXT, scope.STREAM_EVENT_CONTEXT,
+ scope.STREAM_EVENT_HEADER, scope.STREAM_PACKET_CONTEXT, scope.TRACE_PACKET_HEADER]
+
import collections
class Event(collections.Mapping):
"""
It is obtained using the TraceCollection generator functions.
Do not instantiate.
"""
- i = scope.EVENT_FIELDS
- _scopes = [scope.EVENT_FIELDS, scope.EVENT_CONTEXT, scope.STREAM_EVENT_CONTEXT,
- scope.STREAM_EVENT_HEADER, scope.STREAM_PACKET_CONTEXT, scope.TRACE_PACKET_HEADER]
-
def __init__(self):
raise NotImplementedError("Event cannot be instantiated")
Get field_name's value in scope.
None is returned if no field matches field_name.
"""
- if not scope in self._scopes:
+ if not scope in _scopes:
raise ValueError("Invalid scope provided")
field = self._field_with_scope(field_name, scope)
if field is not None:
def field_list_with_scope(self, scope):
"""Return a list of field names in scope."""
- if not scope in self._scopes:
+ if not scope in _scopes:
raise ValueError("Invalid scope provided")
field_names = []
for field in self._field_list_with_scope(scope):
def __len__(self):
count = 0
- for scope in self._scopes:
+ for scope in _scopes:
scope_ptr = _bt_ctf_get_top_level_scope(self._e, scope)
ret = _bt_python_field_listcaller(self._e, scope_ptr)
if isinstance(ret, list):
def keys(self):
"""Return a list of field names."""
field_names = set()
- for scope in self._scopes:
+ for scope in _scopes:
for name in self.field_list_with_scope(scope):
field_names.add(name)
return list(field_names)
def _field(self, field_name):
field = None
- for scope in self._scopes:
+ for scope in _scopes:
field = self._field_with_scope(field_name, scope)
if field is not None:
break
def __str__(self):
return repr(self.value)
-class EventDecl(object):
+class EventDeclaration(object):
"""Event declaration class. Do not instantiate."""
def __init__(self):
- raise NotImplementedError("EventDecl cannot be instantiated")
-
- def __repr__(self):
- return "Babeltrace EventDecl: name {0}".format(self.get_name())
+ raise NotImplementedError("EventDeclaration cannot be instantiated")
- def get_name(self):
+ @property
+ def name(self):
"""Return the name of the event or None on error"""
- return _bt_ctf_get_decl_event_name(self._d)
+ return _bt_ctf_get_decl_event_name(self._ed)
- def get_decl_fields(self, scope):
+ def fields(self, scope):
"""
- Return a list of FieldDecl
+ Return a list of FieldDeclaration
Return None on error.
"""
- ptr_list = _by_python_field_decl_listcaller(self._d, scope)
+ ret = _by_python_field_decl_listcaller(self._ed, scope)
- if ptr_list is None:
+ if not isinstance(ret, list):
return None
- decl_list = []
- i = 0
- while True:
- tmp = FieldDecl.__new__(FieldDecl)
- tmp._d = _bt_python_field_decl_one_from_list(
- ptr_list, i)
-
- if tmp._d is None:
- #Last item of list is None
- break
-
- decl_list.append(tmp)
- i += 1
- return decl_list
-
-
-class FieldDecl(object):
- """Field declaration class. Do not instantiate."""
-
+ list_ptr, count = ret
+ declarations = []
+ for i in range(count):
+ declaration_ptr = _bt_python_field_decl_one_from_list(list_ptr, i)
+ if declaration_ptr is not None:
+ declaration = FieldDeclaration.__new__(FieldDeclaration)
+ declaration._fd = declaration_ptr
+ declarations.append(declaration)
+ return declarations
+
+class FieldDeclaration(object):
+ """Field declaration class. Do not instantiate."""
def __init__(self):
- raise NotImplementedError("FieldDecl cannot be instantiated")
-
- def __repr__(self):
- return "Babeltrace FieldDecl: name {0}".format(self.get_name())
-
- def get_name(self):
- """Return the name of a FieldDecl or None on error"""
- return _bt_ctf_get_decl_field_name(self._d)
+ raise NotImplementedError("FieldDeclaration cannot be instantiated")
+ @property
+ def name(self):
+ """Return the name of a FieldDeclaration or None on error"""
+ return _bt_ctf_get_decl_field_name(self._fd)
def field_error():
"""
"""
return _bt_ctf_field_get_error()
-def get_event_decl_list(trace_handle, trace_collection):
+def event_declaration_list(trace_handle, trace_collection):
"""
- Return a list of EventDecl
+ Return a list of EventDeclaration
Return None on error.
"""
try:
decl_list = []
for i in range(count):
- tmp = EventDecl.__new__(EventDecl)
- tmp._d = _bt_python_decl_one_from_list(ptr_list, i)
+ tmp = EventDeclaration.__new__(EventDeclaration)
+ tmp._ed = _bt_python_decl_one_from_list(ptr_list, i)
decl_list.append(tmp)
return decl_list
def __init__(self, definition_ptr, scope):
self._d = definition_ptr
self._s = scope
- if not scope in Event._scopes:
+ if not scope in _scopes:
ValueError("Invalid scope provided")
def __repr__(self):
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