def validate(self, value: Any) -> Array[str]:
"""Check if the value is valid returns it"""
if value is None:
return Array[self.enum_cls]()
else:
ret = []
if isinstance(value, str):
value = [value]
# If we have an Array of the right type, start off assuming it's the
# same
is_same = value.__class__ is Array and value.typ is self.enum_cls
for i, choice in enumerate(value):
# Our lookup table contains all the possible values
try:
new_choice = self.choices_lookup[choice]
except KeyError:
raise ValueError(
f"{value} is not a valid value in {self.choices} "
f"for element {i}"
)
else:
is_same &= choice == new_choice
ret.append(new_choice)
if is_same:
return value
else:
return to_array(Array[self.enum_cls], ret)
def validate(self, value: Any) -> Array:
"""Check if the value is valid returns it"""
cast = to_array(Array[str], value)
for v in cast:
assert isinstance(v,
str), "Expected Array[str], got %r" % (value, )
return cast
def to_np_array(dtype, value):
# Give the Array the shorthand version
if dtype == np.float64:
dtype = float
elif dtype == np.int64:
dtype = int
if isinstance(value, Sequence):
# Cast to numpy array
value = np.array(value, dtype=dtype)
return to_array(Array[dtype], value)
def to_np_array(dtype, value: Any) -> Any:
# Give the Array the shorthand version
if dtype == np.float64:
dtype = float
elif dtype == np.int64:
dtype = int
if value.__class__ is Array and getattr(value.seq, "dtype", None) == dtype:
# If Array wraps a numpy array of the correct type we are done
return value
else:
if isinstance(value, Sequence):
# Cast to numpy array
value = np.array(value, dtype=dtype)
return to_array(Array[dtype], value)
def validate(self, value):
# type: (Any) -> Array[str]
"""Check if the value is valid returns it"""
if value is None:
return Array[self.enum_cls]()
else:
ret = []
if isinstance(value, str_):
value = [value]
for i, choice in enumerate(value):
# Our lookup table contains all the possible values
try:
ret.append(self.choices_lookup[choice])
except KeyError:
raise ValueError(
"%s is not a valid value in %s for element %s" %
(value, self.choices, i))
return to_array(Array[self.enum_cls], ret)