def check_size_scale_ration_max_attempts_paras(size, scale, ratio,
max_attempts):
"""Wrapper method to check the parameters of RandomCropDecodeResize and SoftDvppDecodeRandomCropResizeJpeg."""
check_crop_size(size)
if scale is not None:
type_check(scale, (tuple, list), "scale")
if len(scale) != 2:
raise TypeError("scale should be a list/tuple of length 2.")
type_check_list(scale, (float, int), "scale")
if scale[0] > scale[1]:
raise ValueError(
"scale should be in (min,max) format. Got (max,min).")
check_range(scale, [0, FLOAT_MAX_INTEGER])
check_positive(scale[1], "scale[1]")
if ratio is not None:
type_check(ratio, (tuple, list), "ratio")
if len(ratio) != 2:
raise TypeError("ratio should be a list/tuple of length 2.")
type_check_list(ratio, (float, int), "ratio")
if ratio[0] > ratio[1]:
raise ValueError(
"ratio should be in (min,max) format. Got (max,min).")
check_range(ratio, [0, FLOAT_MAX_INTEGER])
check_positive(ratio[0], "ratio[0]")
check_positive(ratio[1], "ratio[1]")
if max_attempts is not None:
check_value(max_attempts, (1, FLOAT_MAX_INTEGER))
def new_method(self, *args, **kwargs):
[prob, scale, ratio, value, inplace, max_attempts], _ = parse_user_args(method, *args, **kwargs)
type_check(prob, (float, int,), "prob")
type_check_list(scale, (float, int,), "scale")
if len(scale) != 2:
raise TypeError("scale should be a list or tuple of length 2.")
type_check_list(ratio, (float, int,), "ratio")
if len(ratio) != 2:
raise TypeError("ratio should be a list or tuple of length 2.")
type_check(value, (int, list, tuple, str), "value")
type_check(inplace, (bool,), "inplace")
type_check(max_attempts, (int,), "max_attempts")
check_erasing_value(value)
check_value(prob, [0., 1.], "prob")
if scale[0] > scale[1]:
raise ValueError("scale should be in (min,max) format. Got (max,min).")
check_range(scale, [0, FLOAT_MAX_INTEGER])
check_positive(scale[1], "scale[1]")
if ratio[0] > ratio[1]:
raise ValueError("ratio should be in (min,max) format. Got (max,min).")
check_value_ratio(ratio[0], [0, FLOAT_MAX_INTEGER])
check_value_ratio(ratio[1], [0, FLOAT_MAX_INTEGER])
if isinstance(value, int):
check_value(value, (0, 255))
if isinstance(value, (list, tuple)):
for item in value:
type_check(item, (int,), "value")
check_value(item, [0, 255], "value")
check_value(max_attempts, (1, FLOAT_MAX_INTEGER))
return method(self, *args, **kwargs)
def check_random_color_adjust_param(value, input_name, center=1, bound=(0, FLOAT_MAX_INTEGER), non_negative=True):
"""Check the parameters in random color adjust operation."""
type_check(value, (numbers.Number, list, tuple), input_name)
if isinstance(value, numbers.Number):
if value < 0:
raise ValueError("The input value of {} cannot be negative.".format(input_name))
elif isinstance(value, (list, tuple)) and len(value) == 2:
check_range(value, bound)
if value[0] > value[1]:
raise ValueError("value should be in (min,max) format. Got (max,min).")
def new_method(self, *args, **kwargs):
[prob, scale, ratio, value, inplace, max_attempts], _ = parse_user_args(method, *args, **kwargs)
check_value(prob, [0., 1.], "prob")
check_range(scale, [0, FLOAT_MAX_INTEGER])
check_range(ratio, [0, FLOAT_MAX_INTEGER])
check_erasing_value(value)
type_check(inplace, (bool,), "inplace")
check_value(max_attempts, (1, FLOAT_MAX_INTEGER))
return method(self, *args, **kwargs)
def check_random_color_adjust_param(value, input_name, center=1, bound=(0, FLOAT_MAX_INTEGER), non_negative=True):
"""Check the parameters in random color adjust operation."""
type_check(value, (numbers.Number, list, tuple), input_name)
if isinstance(value, numbers.Number):
if value < 0:
raise ValueError("The input value of {} cannot be negative.".format(input_name))
elif isinstance(value, (list, tuple)):
if len(value) != 2:
raise TypeError("If {0} is a sequence, the length must be 2.".format(input_name))
if value[0] > value[1]:
raise ValueError("{0} value should be in (min,max) format. Got ({1}, {2}).".format(input_name,
value[0], value[1]))
check_range(value, bound)
def new_method(self, *args, **kwargs):
[degrees, translate, scale, shear, resample,
fill_value], _ = parse_user_args(method, *args, **kwargs)
check_degrees(degrees)
if translate is not None:
type_check(translate, (list, tuple), "translate")
type_check_list(translate, (int, float), "translate")
if len(translate) != 2 and len(translate) != 4:
raise TypeError(
"translate should be a list or tuple of length 2 or 4.")
for i, t in enumerate(translate):
check_value(t, [-1.0, 1.0], "translate at {0}".format(i))
if scale is not None:
type_check(scale, (tuple, list), "scale")
type_check_list(scale, (int, float), "scale")
if len(scale) == 2:
if scale[0] > scale[1]:
raise ValueError(
"Input scale[1] must be equal to or greater than scale[0]."
)
check_range(scale, [0, FLOAT_MAX_INTEGER])
check_positive(scale[1], "scale[1]")
else:
raise TypeError("scale should be a list or tuple of length 2.")
if shear is not None:
type_check(shear, (numbers.Number, tuple, list), "shear")
if isinstance(shear, numbers.Number):
check_positive(shear, "shear")
else:
type_check_list(shear, (int, float), "shear")
if len(shear) not in (2, 4):
raise TypeError("shear must be of length 2 or 4.")
if len(shear) == 2 and shear[0] > shear[1]:
raise ValueError(
"Input shear[1] must be equal to or greater than shear[0]"
)
if len(shear) == 4 and (shear[0] > shear[1]
or shear[2] > shear[3]):
raise ValueError(
"Input shear[1] must be equal to or greater than shear[0] and "
"shear[3] must be equal to or greater than shear[2].")
type_check(resample, (Inter, ), "resample")
if fill_value is not None:
check_fill_value(fill_value)
return method(self, *args, **kwargs)
def new_method(self, *args, **kwargs):
[bits], _ = parse_user_args(method, *args, **kwargs)
if bits is not None:
type_check(bits, (list, tuple, int), "bits")
if isinstance(bits, int):
check_value(bits, [1, 8])
if isinstance(bits, (list, tuple)):
if len(bits) != 2:
raise TypeError("Size of bits should be a single integer or a list/tuple (min, max) of length 2.")
for item in bits:
check_uint8(item, "bits")
# also checks if min <= max
check_range(bits, [1, 8])
return method(self, *args, **kwargs)
def new_method(self, *args, **kwargs):
[prob, scale, ratio, value, inplace, max_attempts], _ = parse_user_args(method, *args, **kwargs)
check_value(prob, [0., 1.], "prob")
if scale[0] > scale[1]:
raise ValueError("scale should be in (min,max) format. Got (max,min).")
check_range(scale, [0, FLOAT_MAX_INTEGER])
check_positive(scale[1], "scale[1]")
if ratio[0] > ratio[1]:
raise ValueError("ratio should be in (min,max) format. Got (max,min).")
check_range(ratio, [0, FLOAT_MAX_INTEGER])
check_positive(ratio[0], "ratio[0]")
check_positive(ratio[1], "ratio[1]")
check_erasing_value(value)
type_check(inplace, (bool,), "inplace")
check_value(max_attempts, (1, FLOAT_MAX_INTEGER))
return method(self, *args, **kwargs)