def line_validates(line):
result = validateData.validate_natural(line['id']) and \
validateData.validate_natural(line['invoice']) and \
validateData.validate_natural(line['item'])
return result
def product_validates(product):
result = validateData.validate_natural(product['id']) and \
validateData.validate_string(product['product']) and\
validateData.validate_natural(product['price'])
return result
def client_validates(client):
result = validateData.validate_natural(client['id']) and \
validateData.validate_string(client['name'])
return result
def invoice_validates(invoice):
result = validateData.validate_natural(invoice['id']) and \
validateData.validate_natural(invoice['clientid']) and\
validateData.validate_date(invoice['date'])
return result