"""
Collection is not empty conditions
"""
from marshmallow import Schema, post_load
from .base import ConditionBase, is_collection, LOG
[docs]class IsNotEmpty(ConditionBase):
"""
Condition for `what` not being an empty collection
"""
[docs] def is_satisfied(self, ctx) -> bool:
if not is_collection(ctx.attribute_value):
LOG.debug(
"Invalid type '%s' for attribute value at path '%s' for element '%s'."
" Condition not satisfied.",
type(ctx.attribute_value),
ctx.attribute_path,
ctx.ace
)
return False
return self._is_satisfied(ctx.attribute_value)
@staticmethod
def _is_satisfied(what) -> bool:
"""
Is collection conditions satisfied
:param what: collection to check
:return: True if satisfied else False
"""
return len(what) != 0
[docs]class IsNotEmptySchema(Schema):
"""
JSON schema for is not empty collection condition
"""
[docs] @post_load
def post_load(self, data, **_): # pylint: disable=missing-docstring,no-self-use,unused-argument
return IsNotEmpty()