def coerce(self, value):
"""Base coercion mechanism for vector-like field types"""
if isinstance(value, (str, unicode)):
value = [float(x) for x in value.replace(',', ' ').split()]
if isinstance(value, (int, long, float)):
value = arrays.zeros(self.dimension, self.targetType)
value[:] = float(value)
elif isinstance(value, arrays.ArrayType):
if arrays.typeCode(value) not in self.acceptedTypes:
value = value.astype(self.targetType)
value = value.reshape(self.dimension)
elif isinstance(value, field.SEQUENCE_TYPES):
value = arrays.asarray(map(float, collapse(value)),
self.targetType)
value.reshape(self.dimension)
else:
try:
value = arrays.asarray(value, self.targetType)
except Exception:
raise ValueError(
"""Attempted to set value for an %s field which is not compatible: %s"""
% (self.typeName(), repr(value)))
else:
value.reshape(self.dimension)
if value.shape != self.dimension:
raise ValueError(
"""%s value of incorrect shape (is %s, should be %s)""" % (
self.__class__.__name__,
value.shape,
self.dimension,
))
value = arrays.contiguous(value)
return value
def coerce( self, value ):
"""Base coercion mechanism for vector-like field types"""
if isinstance( value, (str,unicode)):
value = [ float(x) for x in value.replace( ',', ' ').split()]
if isinstance(value, (int,long,float)):
value = arrays.zeros( self.dimension, self.targetType )
value[:] = float(value)
elif isinstance( value, arrays.ArrayType ):
if arrays.typeCode(value) not in self.acceptedTypes:
value = value.astype(self.targetType)
value = value.reshape( self.dimension )
elif isinstance( value, field.SEQUENCE_TYPES):
value = arrays.asarray(
map(float, collapse(value)),
self.targetType
)
value.reshape( self.dimension )
else:
try:
value = arrays.asarray( value, self.targetType )
except Exception:
raise ValueError( """Attempted to set value for an %s field which is not compatible: %s"""%( self.typeName(), repr(value) ))
else:
value.reshape( self.dimension )
if value.shape != self.dimension:
raise ValueError(
"""%s value of incorrect shape (is %s, should be %s)"""%(
self.__class__.__name__,
value.shape,
self.dimension,
)
)
value = arrays.contiguous( value )
return value
def coerce(self, value):
if isinstance(value, (str, unicode)):
value = [
float(x) for x in value.replace(',', ' ').replace(
'[', ' ').replace(']').split()
]
if isinstance(value, arrays.ArrayType):
if arrays.typeCode(value) not in self.acceptedTypes:
value = value.astype(self.targetType)
elif isinstance(value, field.SEQUENCE_TYPES):
try:
value = arrays.array(value, self.targetType)
except ValueError:
value = arrays.array(
map(float, collapse(value)),
self.targetType,
)
elif isinstance(value, (int, long, float)):
value = arrays.array([value], self.targetType)
else:
try:
value = arrays.asarray(value, self.targetType)
except Exception:
raise ValueError(
"""Attempted to set value for an %s field which is not compatible: %s"""
% (self.typeName(), repr(value)))
# special casing, again, for explicitly structured arrays
if not arrays.typeCode(value) == 'V':
value = arrays.contiguous(self.reshape(value))
return value
def coerce( self, value ):
if isinstance( value, (str,unicode)):
value = [
float(x)
for x in value.replace( ',', ' ').replace('[',' ').replace(']').split()
]
if isinstance( value, arrays.ArrayType ):
if arrays.typeCode(value) not in self.acceptedTypes:
value = value.astype( self.targetType )
elif isinstance( value, field.SEQUENCE_TYPES):
try:
value = arrays.array( value, self.targetType)
except ValueError:
value = arrays.array(
map( float, collapse( value) ),
self.targetType,
)
elif isinstance( value, (int,long,float)):
value = arrays.array( [value], self.targetType )
else:
try:
value = arrays.asarray( value, self.targetType )
except Exception:
raise ValueError( """Attempted to set value for an %s field which is not compatible: %s"""%( self.typeName(), repr(value) ))
# special casing, again, for explicitly structured arrays
if not arrays.typeCode( value ) == 'V':
value = arrays.contiguous( self.reshape(value) )
return value
