defxmlschema/chapter01¶

Example 1-2 Product schema in XSD schema language¶

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="product" type="ProductType" />
  <xs:complexType name="ProductType">
    <xs:sequence>
      <xs:element name="number" type="xs:integer" />
      <xs:element name="size" type="SizeType" />
    </xs:sequence>
    <xs:attribute name="effDate" type="xs:date" />
  </xs:complexType>
  <xs:simpleType name="SizeType">
    <xs:restriction base="xs:integer">
      <xs:minInclusive value="2" />
      <xs:maxInclusive value="18" />
    </xs:restriction>
  </xs:simpleType>
</xs:schema>

from dataclasses import dataclass, field
from typing import Optional


@dataclass
class ProductType:
    """
    :ivar number:
    :ivar size:
    :ivar eff_date:
    """
    number: Optional[int] = field(
        default=None,
        metadata=dict(
            name="number",
            type="Element",
            required=True
        )
    )
    size: Optional[int] = field(
        default=None,
        metadata=dict(
            name="size",
            type="Element",
            required=True,
            min_inclusive=2.0,
            max_inclusive=18.0
        )
    )
    eff_date: Optional[str] = field(
        default=None,
        metadata=dict(
            name="effDate",
            type="Attribute"
        )
    )


@dataclass
class Product(ProductType):
    class Meta:
        name = "product"

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