import bt2
-def _handle_status(status, obj_name):
- if status >= 0:
+def _create_from_ptr(ptr):
+ if ptr is None:
return
- else:
- raise RuntimeError('unexpected error')
-
-def _create_from_ptr(ptr):
- if ptr is None or ptr == native_bt.value_null:
+ # bt_value_null is translated to None. However, we are given a reference
+ # to it that we are not going to manage anymore, since we don't create a
+ # Python wrapper for it. Therefore put that reference immediately.
+ if ptr == native_bt.value_null:
+ _Value._put_ref(ptr)
return
typeid = native_bt.value_get_type(ptr)
if isinstance(value, bool):
return BoolValue(value)
- if isinstance(value, int):
+ if isinstance(value, numbers.Integral):
return SignedIntegerValue(value)
- if isinstance(value, float):
+ if isinstance(value, numbers.Real):
return RealValue(value)
if isinstance(value, str):
return StringValue(value)
- try:
- return MapValue(value)
- except:
- pass
-
- try:
+ if isinstance(value, collections.abc.Sequence):
return ArrayValue(value)
- except:
- pass
- raise TypeError("cannot create value object from '{}' object".format(value.__class__.__name__))
+ if isinstance(value, collections.abc.Mapping):
+ return MapValue(value)
+
+ raise TypeError(
+ "cannot create value object from '{}' object".format(value.__class__.__name__)
+ )
class _Value(object._SharedObject, metaclass=abc.ABCMeta):
_get_ref = staticmethod(native_bt.value_get_ref)
_put_ref = staticmethod(native_bt.value_put_ref)
- def __eq__(self, other):
- if other is None:
- # self is never the null value object
- return False
-
- # try type-specific comparison first
- spec_eq = self._spec_eq(other)
-
- if spec_eq is not None:
- return spec_eq
-
- if not isinstance(other, _Value):
- # not comparing apples to apples
- return False
-
- # fall back to native comparison function
- return native_bt.value_compare(self._ptr, other._ptr)
-
def __ne__(self, other):
return not (self == other)
- @abc.abstractmethod
- def _spec_eq(self, other):
- pass
-
- def _handle_status(self, status):
- _handle_status(status, self._NAME)
-
def _check_create_status(self, ptr):
if ptr is None:
- raise bt2.CreationError(
- 'cannot create {} value object'.format(self._NAME.lower()))
+ raise bt2._MemoryError(
+ 'cannot create {} value object'.format(self._NAME.lower())
+ )
@functools.total_ordering
class _NumericValue(_Value):
@staticmethod
def _extract_value(other):
- if isinstance(other, _NumericValue):
- return other._value
-
- if other is True or other is False:
- return other
+ if isinstance(other, BoolValue) or isinstance(other, bool):
+ return bool(other)
if isinstance(other, numbers.Integral):
return int(other)
if isinstance(other, numbers.Complex):
return complex(other)
- raise TypeError("'{}' object is not a number object".format(other.__class__.__name__))
+ raise TypeError(
+ "'{}' object is not a number object".format(other.__class__.__name__)
+ )
def __int__(self):
return int(self._value)
return repr(self._value)
def __lt__(self, other):
- if not isinstance(other, numbers.Number):
- raise TypeError('unorderable types: {}() < {}()'.format(self.__class__.__name__,
- other.__class__.__name__))
-
return self._value < self._extract_value(other)
- def _spec_eq(self, other):
- pass
-
def __eq__(self, other):
- if not isinstance(other, numbers.Number):
+ try:
+ return self._value == self._extract_value(other)
+ except:
return False
- return self._value == self._extract_value(other)
-
def __rmod__(self, other):
return self._extract_value(other) % self._value
def __rpow__(self, base):
return self._extract_value(base) ** self._value
- def __iadd__(self, other):
- self.value = self + other
- return self
-
- def __isub__(self, other):
- self.value = self - other
- return self
-
- def __imul__(self, other):
- self.value = self * other
- return self
-
- def __itruediv__(self, other):
- self.value = self / other
- return self
-
- def __ifloordiv__(self, other):
- self.value = self // other
- return self
-
- def __imod__(self, other):
- self.value = self % other
- return self
-
- def __ipow__(self, other):
- self.value = self ** other
- return self
-
class _IntegralValue(_NumericValue, numbers.Integral):
def __lshift__(self, other):
def __invert__(self):
return ~self._value
- def __ilshift__(self, other):
- self.value = self << other
- return self
-
- def __irshift__(self, other):
- self.value = self >> other
- return self
-
- def __iand__(self, other):
- self.value = self & other
- return self
-
- def __ixor__(self, other):
- self.value = self ^ other
- return self
-
- def __ior__(self, other):
- self.value = self | other
- return self
-
class _RealValue(_NumericValue, numbers.Real):
pass
-class BoolValue(_Value):
+class BoolValue(_IntegralValue):
_NAME = 'Boolean'
def __init__(self, value=None):
self._check_create_status(ptr)
super().__init__(ptr)
- def _spec_eq(self, other):
- if isinstance(other, numbers.Number):
- return self._value == bool(other)
-
def __bool__(self):
return self._value
value = value._value
if not isinstance(value, bool):
- raise TypeError("'{}' object is not a 'bool' or 'BoolValue' object".format(value.__class__))
+ raise TypeError(
+ "'{}' object is not a 'bool' or 'BoolValue' object".format(
+ value.__class__
+ )
+ )
- return int(value)
+ return value
@property
def _value(self):
super().__init__(ptr)
def _value_to_int(self, value):
- if not isinstance(value, numbers.Real):
- raise TypeError('expecting a number object')
+ if not isinstance(value, numbers.Integral):
+ raise TypeError('expecting an integral number object')
value = int(value)
self._check_int_range(value)
class UnsignedIntegerValue(_IntegerValue):
_check_int_range = staticmethod(utils._check_uint64)
- _create_default_value = staticmethod(native_bt.value_unsigned_integer_create)
- _create_value = staticmethod(native_bt.value_unsigned_integer_create_init)
- _set_value = staticmethod(native_bt.value_unsigned_integer_set)
- _get_value = staticmethod(native_bt.value_unsigned_integer_get)
+ _create_default_value = staticmethod(native_bt.value_integer_unsigned_create)
+ _create_value = staticmethod(native_bt.value_integer_unsigned_create_init)
+ _set_value = staticmethod(native_bt.value_integer_unsigned_set)
+ _get_value = staticmethod(native_bt.value_integer_unsigned_get)
class SignedIntegerValue(_IntegerValue):
_check_int_range = staticmethod(utils._check_int64)
- _create_default_value = staticmethod(native_bt.value_signed_integer_create)
- _create_value = staticmethod(native_bt.value_signed_integer_create_init)
- _set_value = staticmethod(native_bt.value_signed_integer_set)
- _get_value = staticmethod(native_bt.value_signed_integer_get)
+ _create_default_value = staticmethod(native_bt.value_integer_signed_create)
+ _create_value = staticmethod(native_bt.value_integer_signed_create_init)
+ _set_value = staticmethod(native_bt.value_integer_signed_set)
+ _get_value = staticmethod(native_bt.value_integer_signed_get)
class RealValue(_RealValue):
def _set_value(self, value):
status = native_bt.value_string_set(self._ptr, self._value_to_str(value))
- self._handle_status(status)
+ utils._handle_func_status(status)
value = property(fset=_set_value)
- def _spec_eq(self, other):
+ def __eq__(self, other):
try:
return self._value == self._value_to_str(other)
except:
- return
+ return False
def __lt__(self, other):
return self._value < self._value_to_str(other)
for elem in value:
self.append(elem)
- def _spec_eq(self, other):
- try:
- if len(self) != len(other):
- # early mismatch
- return False
+ def __eq__(self, other):
+ if not isinstance(other, collections.abc.Sequence):
+ return False
- for self_elem, other_elem in zip(self, other):
- if self_elem != other_elem:
- return False
+ if len(self) != len(other):
+ # early mismatch
+ return False
- return True
- except:
- return
+ for self_elem, other_elem in zip(self, other):
+ if self_elem != other_elem:
+ return False
+
+ return True
def __len__(self):
- size = native_bt.value_array_get_size(self._ptr)
- assert(size >= 0)
+ size = native_bt.value_array_get_length(self._ptr)
+ assert size >= 0
return size
def _check_index(self, index):
# TODO: support slices also
if not isinstance(index, numbers.Integral):
- raise TypeError("'{}' object is not an integral number object: invalid index".format(index.__class__.__name__))
+ raise TypeError(
+ "'{}' object is not an integral number object: invalid index".format(
+ index.__class__.__name__
+ )
+ )
index = int(index)
def __getitem__(self, index):
self._check_index(index)
ptr = native_bt.value_array_borrow_element_by_index(self._ptr, index)
- assert(ptr)
+ assert ptr
return _create_from_ptr_and_get_ref(ptr)
def __setitem__(self, index, value):
else:
ptr = value._ptr
- status = native_bt.value_array_set_element_by_index(
- self._ptr, index, ptr)
- self._handle_status(status)
+ status = native_bt.value_array_set_element_by_index(self._ptr, index, ptr)
+ utils._handle_func_status(status)
def append(self, value):
value = create_value(value)
ptr = value._ptr
status = native_bt.value_array_append_element(self._ptr, ptr)
- self._handle_status(status)
+ utils._handle_func_status(status)
def __iadd__(self, iterable):
# Python will raise a TypeError if there's anything wrong with
for key, elem in value.items():
self[key] = elem
- def __eq__(self, other):
- return _Value.__eq__(self, other)
-
def __ne__(self, other):
return _Value.__ne__(self, other)
- def _spec_eq(self, other):
- try:
- if len(self) != len(other):
- # early mismatch
- return False
+ def __eq__(self, other):
+ if not isinstance(other, collections.abc.Mapping):
+ return False
- for self_key in self:
- if self_key not in other:
- return False
+ if len(self) != len(other):
+ # early mismatch
+ return False
- self_value = self[self_key]
- other_value = other[self_key]
+ for self_key in self:
+ if self_key not in other:
+ return False
- if self_value != other_value:
- return False
+ if self[self_key] != other[self_key]:
+ return False
- return True
- except:
- return
+ return True
def __len__(self):
size = native_bt.value_map_get_size(self._ptr)
- assert(size >= 0)
+ assert size >= 0
return size
def __contains__(self, key):
def __getitem__(self, key):
self._check_key(key)
ptr = native_bt.value_map_borrow_entry_value(self._ptr, key)
- assert(ptr)
+ assert ptr
return _create_from_ptr_and_get_ref(ptr)
def __iter__(self):
ptr = value._ptr
status = native_bt.value_map_insert_entry(self._ptr, key, ptr)
- self._handle_status(status)
+ utils._handle_func_status(status)
def __repr__(self):
items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()]
projects / babeltrace.git / blobdiff