from pandas_schema.validation import CustomElementValidation

validations = {
    "not_blank": CustomElementValidation(
        lambda x: x is not np.nan and len(str(x).strip()) > 0,
        'cannot be blank'),
    "not_empty_array": CustomElementValidation(
        lambda x: x is not np.nan and len(str(x).strip().split(';')) > 0,
        'cannot be empty array')
}

标签：nan,len,CustomElementValidation,cannot,strip,import,validation,lambda
来源： https://www.cnblogs.com/ivyJ/p/15928206.html