def validate(self, object, name, value):
try:
if isinstance(value, tuple):
traits = self.traits
if len(value) == len(traits):
values = []
for i, trait in enumerate(traits):
values.append(
trait.handler.validate(object, name, value[i]))
return tuple(values)
except:
pass
self.error(object, name, self.repr(value))
def validate ( self, object, name, value ):
try:
if isinstance( value, tuple ):
traits = self.traits
if len( value ) == len( traits ):
values = []
for i, trait in enumerate( traits ):
values.append( trait.handler.validate( object, name,
value[i] ) )
return tuple( values )
except:
pass
self.error( object, name, self.repr( value ) )
def validate ( self, object, name, value ):
""" Validates that a value is legal for the trait.
"""
#try:
if 1:
# Make sure the value is an array:
type_value = type( value )
if not isinstance( value, ndarray ):
if not isinstance(value, (list,tuple)):
self.error( object, name, self.repr( value ) )
if self.dtype is not None:
value = asarray(value, self.dtype)
else:
value = asarray(value)
# Make sure the array is of the right type:
if ((self.dtype is not None) and
(value.dtype != self.dtype)):
if self.coerce:
value = value.astype( self.dtype )
else:
value = asarray( value, self.dtype )
# If no shape requirements, then return the value:
trait_shape = self.shape
if trait_shape is None:
return value
# Else make sure that the value's shape is compatible:
value_shape = value.shape
if len( trait_shape ) == len( value_shape ):
for i, dim in enumerate( value_shape ):
item = trait_shape[i]
if item is not None:
if type( item ) is int:
if dim != item:
break
elif ((dim < item[0]) or
((item[1] is not None) and (dim > item[1]))):
break
else:
return value
# print "*** pass through"
#except Exception, e:
# print "*** exception:", e
self.error( object, name, self.repr( value ) )
def validate(self, object, name, value):
""" Validates that a value is legal for the trait.
"""
#try:
if 1:
# Make sure the value is an array:
type_value = type(value)
if not isinstance(value, ndarray):
if not isinstance(value, (list, tuple)):
self.error(object, name, self.repr(value))
if self.dtype is not None:
value = asarray(value, self.dtype)
else:
value = asarray(value)
# Make sure the array is of the right type:
if ((self.dtype is not None) and (value.dtype != self.dtype)):
if self.coerce:
value = value.astype(self.dtype)
else:
value = asarray(value, self.dtype)
# If no shape requirements, then return the value:
trait_shape = self.shape
if trait_shape is None:
return value
# Else make sure that the value's shape is compatible:
value_shape = value.shape
if len(trait_shape) == len(value_shape):
for i, dim in enumerate(value_shape):
item = trait_shape[i]
if item is not None:
if type(item) is int:
if dim != item:
break
elif ((dim < item[0])
or ((item[1] is not None) and (dim > item[1]))):
break
else:
return value
# print "*** pass through"
#except Exception, e:
# print "*** exception:", e
self.error(object, name, self.repr(value))
def validate ( self, object, name, value ):
""" Validates that a value is legal for the trait.
"""
try:
# Make sure the value is an array:
type_value = type( value )
if type_value is not ArrayType:
if type_value not in SequenceTypes:
self.error( object, name, self.repr( value ) )
value = asarray( value, self.typecode )
# Make sure the array is of the right type:
if ((self.typecode is not None) and
(value.typecode() != self.typecode)):
if self.coerce:
value = value.astype( self.typecode )
else:
value = asarray( value, self.typecode )
# If no shape requirements, then return the value:
trait_shape = self.shape
if trait_shape is None:
return value
# Else make sure that the value's shape is compatible:
value_shape = value.shape
if len( trait_shape ) == len( value_shape ):
for i, dim in enumerate( value_shape ):
item = trait_shape[i]
if item is not None:
if type( item ) is int:
if dim != item:
break
elif ((dim < item[0]) or
((item[1] is not None) and (dim > item[1]))):
break
else:
return value
except:
pass
self.error( object, name, self.repr( value ) )
def validate(self, object, name, value):
""" Validates that a value is legal for the trait.
"""
try:
# Make sure the value is an array:
type_value = type(value)
if type_value is not ArrayType:
if type_value not in SequenceTypes:
self.error(object, name, self.repr(value))
value = asarray(value, self.typecode)
# Make sure the array is of the right type:
if ((self.typecode is not None)
and (value.typecode() != self.typecode)):
if self.coerce:
value = value.astype(self.typecode)
else:
value = asarray(value, self.typecode)
# If no shape requirements, then return the value:
trait_shape = self.shape
if trait_shape is None:
return value
# Else make sure that the value's shape is compatible:
value_shape = value.shape
if len(trait_shape) == len(value_shape):
for i, dim in enumerate(value_shape):
item = trait_shape[i]
if item is not None:
if type(item) is int:
if dim != item:
break
elif ((dim < item[0])
or ((item[1] is not None) and (dim > item[1]))):
break
else:
return value
except:
pass
self.error(object, name, self.repr(value))
def define ( self, *value_type, **metadata ):
default_value_type = -1
default_value = handler = clone = None
if len( value_type ) > 0:
default_value = value_type[0]
value_type = value_type[1:]
if ((len( value_type ) == 0) and
(type( default_value ) in SequenceTypes)):
default_value, value_type = default_value[0], default_value
if len( value_type ) == 0:
if isinstance( default_value, TraitFactory ):
default_value = trait_factory( default_value )
if default_value in PythonTypes:
handler = TraitType( default_value )
default_value = DefaultValues.get( default_value )
elif isinstance( default_value, CTrait ):
clone = default_value
default_value_type, default_value = clone.default_value()
metadata[ 'type' ] = clone.type
elif isinstance( default_value, TraitHandler ):
handler = default_value
default_value = None
elif default_value is ThisClass:
handler = ThisClass()
default_value = None
else:
typeValue = type( default_value )
if typeValue is StringType:
string_options = self.extract( metadata, 'min_len',
'max_len', 'regex' )
if len( string_options ) == 0:
handler = TraitCastType( typeValue )
else:
handler = TraitString( **string_options )
elif typeValue in TypeTypes:
handler = TraitCastType( typeValue )
else:
handler = TraitInstance( default_value )
if default_value is handler.aClass:
default_value = DefaultValues.get( default_value )
else:
enum = []
other = []
map = {}
self.do_list( value_type, enum, map, other )
if (((len( enum ) == 1) and (enum[0] is None)) and
((len( other ) == 1) and
isinstance( other[0], TraitInstance ))):
enum = []
other[0].allow_none()
if len( enum ) > 0:
if (((len( map ) + len( other )) == 0) and
(default_value not in enum)):
enum.insert( 0, default_value )
other.append( TraitEnum( enum ) )
if len( map ) > 0:
other.append( TraitMap( map ) )
if len( other ) == 0:
handler = TraitHandler()
elif len( other ) == 1:
handler = other[0]
if isinstance( handler, CTrait ):
clone, handler = handler, None
metadata[ 'type' ] = clone.type
elif isinstance( handler, TraitInstance ):
if default_value is None:
handler.allow_none()
elif isinstance( default_value, _InstanceArgs ):
default_value_type = 7
default_value = ( handler.create_default_value,
default_value.args, default_value.kw )
elif (len( enum ) == 0) and (len( map ) == 0):
aClass = handler.aClass
typeValue = type( default_value )
if typeValue is dict:
default_value_type = 7
default_value = ( aClass, (), default_value )
elif not isinstance( default_value, aClass ):
if typeValue is not tuple:
default_value = ( default_value, )
default_value_type = 7
default_value = ( aClass, default_value, None )
else:
for i, item in enumerate( other ):
if isinstance( item, CTrait ):
if item.type != 'trait':
raise TraitError, ("Cannot create a complex "
"trait containing %s trait." %
add_article( item.type ) )
handler = item.handler
if handler is None:
break
other[i] = handler
else:
handler = TraitCompound( other )
# Save the results:
self.handler = handler
self.clone = clone
if default_value_type < 0:
if isinstance( default_value, Default ):
default_value_type = 7
default_value = default_value.default_value
else:
if (handler is None) and (clone is not None):
handler = clone.handler
if handler is not None:
default_value_type = handler.default_value_type
if default_value_type >= 0:
if hasattr( handler, 'default_value' ):
default_value = handler.default_value(default_value)
else:
try:
default_value = handler.validate( None, '',
default_value )
except:
pass
if default_value_type < 0:
default_value_type = _default_value_type( default_value )
self.default_value_type = default_value_type
self.default_value = default_value
self.metadata = metadata.copy()
def define(self, *value_type, **metadata):
default_value_type = -1
default_value = handler = clone = None
if len(value_type) > 0:
default_value = value_type[0]
value_type = value_type[1:]
if ((len(value_type) == 0)
and (type(default_value) in SequenceTypes)):
default_value, value_type = default_value[0], default_value
if len(value_type) == 0:
if isinstance(default_value, TraitFactory):
default_value = trait_factory(default_value)
if default_value in PythonTypes:
handler = TraitType(default_value)
default_value = DefaultValues.get(default_value)
elif isinstance(default_value, CTrait):
clone = default_value
default_value_type, default_value = clone.default_value()
metadata['type'] = clone.type
elif isinstance(default_value, TraitHandler):
handler = default_value
default_value = None
elif default_value is ThisClass:
handler = ThisClass()
default_value = None
else:
typeValue = type(default_value)
if typeValue is StringType:
string_options = self.extract(metadata, 'min_len',
'max_len', 'regex')
if len(string_options) == 0:
handler = TraitCastType(typeValue)
else:
handler = TraitString(**string_options)
elif typeValue in TypeTypes:
handler = TraitCastType(typeValue)
else:
handler = TraitInstance(default_value)
if default_value is handler.aClass:
default_value = DefaultValues.get(default_value)
else:
enum = []
other = []
map = {}
self.do_list(value_type, enum, map, other)
if (((len(enum) == 1) and (enum[0] is None))
and ((len(other) == 1)
and isinstance(other[0], TraitInstance))):
enum = []
other[0].allow_none()
if len(enum) > 0:
if (((len(map) + len(other)) == 0)
and (default_value not in enum)):
enum.insert(0, default_value)
other.append(TraitEnum(enum))
if len(map) > 0:
other.append(TraitMap(map))
if len(other) == 0:
handler = TraitHandler()
elif len(other) == 1:
handler = other[0]
if isinstance(handler, CTrait):
clone, handler = handler, None
metadata['type'] = clone.type
elif isinstance(handler, TraitInstance):
if default_value is None:
handler.allow_none()
elif isinstance(default_value, _InstanceArgs):
default_value_type = 7
default_value = (handler.create_default_value,
default_value.args,
default_value.kw)
elif (len(enum) == 0) and (len(map) == 0):
aClass = handler.aClass
typeValue = type(default_value)
if typeValue is dict:
default_value_type = 7
default_value = (aClass, (), default_value)
elif not isinstance(default_value, aClass):
if typeValue is not tuple:
default_value = (default_value, )
default_value_type = 7
default_value = (aClass, default_value, None)
else:
for i, item in enumerate(other):
if isinstance(item, CTrait):
if item.type != 'trait':
raise TraitError, (
"Cannot create a complex "
"trait containing %s trait." %
add_article(item.type))
handler = item.handler
if handler is None:
break
other[i] = handler
else:
handler = TraitCompound(other)
# Save the results:
self.handler = handler
self.clone = clone
if default_value_type < 0:
if isinstance(default_value, Default):
default_value_type = 7
default_value = default_value.default_value
else:
if (handler is None) and (clone is not None):
handler = clone.handler
if handler is not None:
default_value_type = handler.default_value_type
if default_value_type >= 0:
if hasattr(handler, 'default_value'):
default_value = handler.default_value(
default_value)
else:
try:
default_value = handler.validate(
None, '', default_value)
except:
pass
if default_value_type < 0:
default_value_type = _default_value_type(default_value)
self.default_value_type = default_value_type
self.default_value = default_value
self.metadata = metadata.copy()
