The field contains integers - that is whole numbers. Integer values are indicated in the standard way for any valid integer. Read more in Table Schema Standard.
from frictionless import Schema, extract, fields
data = [['name'], ['1'], ['2'], ['3']]
rows = extract(data, schema=Schema(fields=[fields.IntegerField(name='name')]))
print(rows)
{'memory': [{'name': 1}, {'name': 2}, {'name': 3}]}
Field representation
(*, name: str, title: Optional[str] = None, description: Optional[str] = None, format: str = default, missing_values: List[str] = NOTHING, constraints: Dict[str, Any] = NOTHING, rdf_type: Optional[str] = None, example: Optional[str] = None, schema: Optional[Schema] = None, bare_number: bool = True) -> None
It specifies that the value is a bare number. If true, the pattern to remove non digit character does not get applied and vice versa. The default value is True.
bool