fix parameter inheritance using MRO
+ no update on unhchanged values within 1 sec Change-Id: I3e3d50bb5541e8d4da2badc3133d243dd0a3b892
This commit is contained in:
@ -102,7 +102,7 @@ class DataType(HasProperties):
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self.setProperty(k, v)
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self.checkProperties()
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except Exception as e:
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raise ProgrammingError(str(e))
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raise ProgrammingError(str(e)) from None
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def get_info(self, **kwds):
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"""prepare dict for export or repr
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@ -194,7 +194,7 @@ class FloatRange(DataType):
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try:
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value = float(value)
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except Exception:
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raise BadValueError('Can not convert %r to float' % value)
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raise BadValueError('Can not convert %r to float' % value) from None
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# map +/-infty to +/-max possible number
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value = clamp(-sys.float_info.max, value, sys.float_info.max)
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@ -268,7 +268,7 @@ class IntRange(DataType):
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fvalue = float(value)
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value = int(value)
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except Exception:
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raise BadValueError('Can not convert %r to int' % value)
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raise BadValueError('Can not convert %r to int' % value) from None
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if not self.min <= value <= self.max or round(fvalue) != fvalue:
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raise BadValueError('%r should be an int between %d and %d' %
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(value, self.min, self.max))
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@ -371,7 +371,7 @@ class ScaledInteger(DataType):
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try:
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value = float(value)
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except Exception:
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raise BadValueError('Can not convert %r to float' % value)
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raise BadValueError('Can not convert %r to float' % value) from None
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prec = max(self.scale, abs(value * self.relative_resolution),
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self.absolute_resolution)
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if self.min - prec <= value <= self.max + prec:
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@ -454,7 +454,7 @@ class EnumType(DataType):
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try:
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return self._enum[value]
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except (KeyError, TypeError): # TypeError will be raised when value is not hashable
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raise BadValueError('%r is not a member of enum %r' % (value, self._enum))
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raise BadValueError('%r is not a member of enum %r' % (value, self._enum)) from None
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def from_string(self, text):
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return self(text)
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@ -533,7 +533,7 @@ class BLOBType(DataType):
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if self.minbytes < other.minbytes or self.maxbytes > other.maxbytes:
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raise BadValueError('incompatible datatypes')
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except AttributeError:
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raise BadValueError('incompatible datatypes')
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raise BadValueError('incompatible datatypes') from None
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class StringType(DataType):
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@ -572,7 +572,7 @@ class StringType(DataType):
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try:
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value.encode('ascii')
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except UnicodeEncodeError:
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raise BadValueError('%r contains non-ascii character!' % value)
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raise BadValueError('%r contains non-ascii character!' % value) from None
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size = len(value)
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if size < self.minchars:
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raise BadValueError(
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@ -606,7 +606,7 @@ class StringType(DataType):
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self.isUTF8 > other.isUTF8:
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raise BadValueError('incompatible datatypes')
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except AttributeError:
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raise BadValueError('incompatible datatypes')
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raise BadValueError('incompatible datatypes') from None
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# TextType is a special StringType intended for longer texts (i.e. embedding \n),
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@ -618,7 +618,7 @@ class TextType(StringType):
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def __init__(self, maxchars=None):
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if maxchars is None:
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maxchars = UNLIMITED
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super(TextType, self).__init__(0, maxchars)
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super().__init__(0, maxchars)
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def __repr__(self):
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if self.maxchars == UNLIMITED:
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@ -771,7 +771,7 @@ class ArrayOf(DataType):
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raise BadValueError('incompatible datatypes')
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self.members.compatible(other.members)
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except AttributeError:
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raise BadValueError('incompatible datatypes')
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raise BadValueError('incompatible datatypes') from None
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class TupleOf(DataType):
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@ -811,7 +811,7 @@ class TupleOf(DataType):
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return tuple(sub(elem)
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for sub, elem in zip(self.members, value))
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except Exception as exc:
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raise BadValueError('Can not validate:', str(exc))
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raise BadValueError('Can not validate:', str(exc)) from None
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def export_value(self, value):
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"""returns a python object fit for serialisation"""
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@ -894,7 +894,7 @@ class StructOf(DataType):
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return ImmutableDict((str(k), self.members[k](v))
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for k, v in list(value.items()))
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except Exception as exc:
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raise BadValueError('Can not validate %s: %s' % (repr(value), str(exc)))
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raise BadValueError('Can not validate %s: %s' % (repr(value), str(exc))) from None
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def export_value(self, value):
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"""returns a python object fit for serialisation"""
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@ -924,7 +924,7 @@ class StructOf(DataType):
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if mandatory:
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raise BadValueError('incompatible datatypes')
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except (AttributeError, TypeError, KeyError):
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raise BadValueError('incompatible datatypes')
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raise BadValueError('incompatible datatypes') from None
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class CommandType(DataType):
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@ -958,7 +958,7 @@ class CommandType(DataType):
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argstr = repr(self.argument) if self.argument else ''
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if self.result is None:
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return 'CommandType(%s)' % argstr
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return 'CommandType(%s)->%s' % (argstr, repr(self.result))
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return 'CommandType(%s, %s)' % (argstr, repr(self.result))
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def __call__(self, value):
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"""return the validated argument value or raise"""
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@ -987,7 +987,7 @@ class CommandType(DataType):
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if self.result != other.result: # not both are None
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other.result.compatible(self.result)
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except AttributeError:
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raise BadValueError('incompatible datatypes')
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raise BadValueError('incompatible datatypes') from None
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# internally used datatypes (i.e. only for programming the SEC-node)
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@ -999,7 +999,10 @@ class DataTypeType(DataType):
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returns the value or raises an appropriate exception"""
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if isinstance(value, DataType):
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return value
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raise ProgrammingError('%r should be a DataType!' % value)
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try:
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return get_datatype(value)
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except Exception as e:
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raise ProgrammingError(e) from None
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def export_value(self, value):
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"""if needed, reformat value for transport"""
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@ -1034,6 +1037,13 @@ class ValueType(DataType):
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"""
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raise NotImplementedError
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def setProperty(self, key, value):
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"""silently ignored
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as ValueType is used for the datatype default, this makes code
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shorter for cases, where the datatype may not yet be defined
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"""
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class NoneOr(DataType):
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"""validates a None or smth. else"""
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@ -1080,7 +1090,7 @@ UInt64 = IntRange(0, (1 << 64) - 1)
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# Goodie: Convenience Datatypes for Programming
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class LimitsType(TupleOf):
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def __init__(self, members):
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TupleOf.__init__(self, members, members)
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super().__init__(members, members)
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def __call__(self, value):
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limits = TupleOf.__call__(self, value)
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@ -1092,7 +1102,7 @@ class LimitsType(TupleOf):
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class StatusType(TupleOf):
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# shorten initialisation and allow access to status enumMembers from status values
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def __init__(self, enum):
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TupleOf.__init__(self, EnumType(enum), StringType())
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super().__init__(EnumType(enum), StringType())
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self._enum = enum
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def __getattr__(self, key):
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@ -1164,9 +1174,9 @@ def get_datatype(json, pname=''):
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kwargs = json.copy()
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base = kwargs.pop('type')
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except (TypeError, KeyError, AttributeError):
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raise BadValueError('a data descriptor must be a dict containing a "type" key, not %r' % json)
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raise BadValueError('a data descriptor must be a dict containing a "type" key, not %r' % json) from None
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try:
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return DATATYPES[base](pname=pname, **kwargs)
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except Exception as e:
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raise BadValueError('invalid data descriptor: %r (%s)' % (json, str(e)))
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raise BadValueError('invalid data descriptor: %r (%s)' % (json, str(e))) from None
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