def to_python(self, value):
if not value or isinstance(value, tuple):
return value
if isinstance(value, six.string_types):
if validators.is_valid_point_string(value):
if value.startswith('(') and value.endswith(')'):
noparens = value[1:-1]
else:
noparens = value
latitude, longitude = noparens.split(',')
return (Decimal(latitude.strip()), Decimal(longitude.strip()))
raise exceptions.ValidationError("This value must be a point-string.")
def clean(self, value):
if not value or validators.is_valid_point_string(value):
return super(PointField, self).clean(value)
raise forms.ValidationError(
"Invalid format. Point field format is '(x,y)'.")
def test_valid_point_string(self):
point_string = "(2.3,4.5)"
assert is_valid_point_string(point_string)
def test_valid_point_chars(self):
point_string = "foo, bar"
assert not is_valid_point_string(point_string)
def test_valid_point_no_comma(self):
point_string = "(2.4)"
assert not is_valid_point_string(point_string)
def test_valid_point_no_parens_and_space(self):
point_string = "77.22134124, 543.3342"
assert is_valid_point_string(point_string)
def test_valid_point_no_parens(self):
point_string = "5.5,8.7"
assert is_valid_point_string(point_string)
def test_valid_point_parens_and_sapce(self):
point_string = "(9.888, 3.2222)"
assert is_valid_point_string(point_string)
def _validate_position(cls, value):
return is_valid_point_string(value) if value is not None else True
def clean(self, value):
if not value or validators.is_valid_point_string(value):
return super(PointField, self).clean(value)
raise forms.ValidationError(
"Invalid format. Point field format is '(x,y)'.")
