def validate(self, value):
super().validate(value)
if self.pattern and not self.pattern.fullmatch(value):
raise ValidationError(f'value must match pattern {self.pattern}',
offender=self)
if self.allowed_characters is not None:
try:
i, c = next(((i, c) for (i, c) in enumerate(value)
if c not in self.allowed_characters))
except StopIteration:
pass
else:
raise ValidationError(
f'character {c} (position {i}) is not allowed',
offender=self)
if self.forbidden_characters is not None:
try:
i, c = next(((i, c) for (i, c) in enumerate(value)
if c in self.forbidden_characters))
except StopIteration:
pass
else:
raise ValidationError(
f'character {c} (position {i}) is forbidden',
offender=self)
def validate(self, value):
super().validate(value)
for p in value:
try:
exists = p.exists()
except OSError:
raise ValidationError('path seems invalid', offender=self.edit)
if not exists:
raise ValidationError("path doesn't exists",
offender=self.edit)
if exists \
and p.is_dir():
raise ValidationError('path is a directory',
offender=self.edit)
def validate(self, d):
super().validate(d)
for (k, v), subwidget in self.result_zip_subwidget(d, self.inners):
try:
subwidget.maybe_validate(v)
except ValidationError as e:
raise ValidationError('error validating ' + subwidget.title,
offender=subwidget) from e
def validate(self, value: List[List[T]]):
for i, (inner_row, v_row) in enumerate(zip(self.inners, value)):
for j, (inner, v) in enumerate(zip(inner_row, v_row)):
try:
inner.maybe_validate(v)
except ValidationError as e:
raise ValidationError(f'error validating {i, j}',
offender=inner) from e
def validate(self, value: List[List[T]]):
for i, (inner_row, v_row) in enumerate(zip(self.inners, value)):
for field_name, (inner, v) in zip(self.value_type._fields,
zip(inner_row, v_row)):
try:
inner.maybe_validate(v)
except ValidationError as e:
raise ValidationError(
f'error validating {i}[{field_name}]',
offender=inner) from e
def validate(self, value):
super().validate(value)
try:
exists = value.exists()
except OSError:
raise ValidationError('path seems invalid', offender=self.edit)
if exists:
if self.exist_cond not in (True, None):
raise ValidationError("path already exists", offender=self.edit)
# if the file exists, we don't need to check it
else:
if self.exist_cond not in (False, None):
raise ValidationError("path doesn't exists", offender=self.edit)
# so checking of a filename is valid is stupid complicated, slow, and fallible,
# https://stackoverflow.com/questions/9532499/check-whether-a-path-is-valid-in-python-without-creating-a-file-at-the-paths-ta/34102855#34102855
# we're just gonna check for invalid characters
if not filename_valid(value):
raise ValidationError('path seems invalid', offender=self.edit)
if exists \
and value.is_dir():
raise ValidationError('path is a directory', offender=self.edit)
def validate(self, v):
super().validate(v)
if v == '':
raise ValidationError('a name must be provided')
def ret(v):
if min is not None and v < min:
raise ValidationError(f'value must be at least {min}')
if max is not None and v >= max:
raise ValidationError(f'value must be less than {max}')