# THE SOFTWARE.
import bt2
+from bt2 import logging as bt2_logging
+from bt2 import native_bt
def _check_bool(o):
def _check_type(o, expected_type):
if not isinstance(o, expected_type):
- raise TypeError("'{}' is not a '{}' object".format(o.__class__.__name__,
- expected_type))
+ raise TypeError(
+ "'{}' is not a '{}' object".format(o.__class__.__name__, expected_type)
+ )
def _is_in_int64_range(v):
- assert(isinstance(v, int))
- return v >= -(2**63) and v <= (2**63 - 1)
+ assert isinstance(v, int)
+ return v >= -(2 ** 63) and v <= (2 ** 63 - 1)
def _is_int64(v):
def _is_in_uint64_range(v):
- assert(isinstance(v, int))
- return v >= 0 and v <= (2**64 - 1)
+ assert isinstance(v, int)
+ return v >= 0 and v <= (2 ** 64 - 1)
def _is_uint64(v):
raise ValueError('{} is not a power of two'.format(a))
-def _raise_bt2_error(msg):
- if msg is None:
- raise bt2.Error
- else:
- raise bt2.Error(msg)
+def _check_log_level(log_level):
+ _check_int(log_level)
+
+ log_levels = (
+ bt2_logging.LoggingLevel.TRACE,
+ bt2_logging.LoggingLevel.DEBUG,
+ bt2_logging.LoggingLevel.INFO,
+ bt2_logging.LoggingLevel.WARNING,
+ bt2_logging.LoggingLevel.ERROR,
+ bt2_logging.LoggingLevel.FATAL,
+ bt2_logging.LoggingLevel.NONE,
+ )
+
+ if log_level not in log_levels:
+ raise ValueError("'{}' is not a valid logging level".format(log_level))
-def _handle_ret(ret, msg=None):
- if int(ret) < 0:
- _raise_bt2_error(msg)
+def _handle_func_status(status, msg=None):
+ if status == native_bt.__BT_FUNC_STATUS_OK:
+ # no error
+ return
+
+ if status == native_bt.__BT_FUNC_STATUS_ERROR:
+ assert msg is not None
+ raise bt2._Error(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_MEMORY_ERROR:
+ assert msg is not None
+ raise bt2._MemoryError(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_END:
+ if msg is None:
+ raise bt2.Stop
+ else:
+ raise bt2.Stop(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_AGAIN:
+ if msg is None:
+ raise bt2.TryAgain
+ else:
+ raise bt2.TryAgain(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_OVERFLOW_ERROR:
+ if msg is None:
+ raise bt2._OverflowError
+ else:
+ raise bt2._OverflowError(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_UNKNOWN_OBJECT:
+ if msg is None:
+ raise bt2.UnknownObject
+ else:
+ raise bt2.UnknownObject(msg)
+ else:
+ assert False
-def _handle_ptr(ptr, msg=None):
- if ptr is None:
- _raise_bt2_error(msg)
+class _ListenerHandle:
+ def __init__(self, listener_id, obj):
+ self._listener_id = listener_id
+ self._obj = obj