debian-xmlschema/xmlschema/validators/builtins.py

627 lines
22 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (c), 2016-2019, SISSA (International School for Advanced Studies).
# All rights reserved.
# This file is distributed under the terms of the MIT License.
# See the file 'LICENSE' in the root directory of the present
# distribution, or http://opensource.org/licenses/MIT.
#
# @author Davide Brunato <brunato@sissa.it>
#
"""
This module contains definitions and functions for XSD builtin datatypes.
Only atomic builtins are created, the list builtins types ('NMTOKENS', 'ENTITIES', 'IDREFS')
are created using the XSD 1.0 meta-schema or with and additional base schema for XSD 1.1.
"""
from __future__ import unicode_literals
import re
import base64
from decimal import Decimal
from math import isinf, isnan
from elementpath import datatypes
from ..compat import PY3, long_type, unicode_type
from ..exceptions import XMLSchemaValueError
from ..qnames import XSD_LENGTH, XSD_MIN_LENGTH, XSD_MAX_LENGTH, XSD_ENUMERATION, \
XSD_PATTERN, XSD_WHITE_SPACE, XSD_MIN_INCLUSIVE, XSD_MIN_EXCLUSIVE, XSD_MAX_INCLUSIVE, \
XSD_MAX_EXCLUSIVE, XSD_TOTAL_DIGITS, XSD_FRACTION_DIGITS, XSD_EXPLICIT_TIMEZONE, \
XSD_STRING, XSD_NORMALIZED_STRING, XSD_NAME, XSD_NCNAME, XSD_QNAME, XSD_TOKEN, \
XSD_NMTOKEN, XSD_ID, XSD_IDREF, XSD_LANGUAGE, XSD_DECIMAL, XSD_DOUBLE, XSD_FLOAT, \
XSD_INTEGER, XSD_BYTE, XSD_SHORT, XSD_INT, XSD_LONG, XSD_UNSIGNED_BYTE, \
XSD_UNSIGNED_SHORT, XSD_UNSIGNED_INT, XSD_UNSIGNED_LONG, XSD_POSITIVE_INTEGER, \
XSD_NEGATIVE_INTEGER, XSD_NON_NEGATIVE_INTEGER, XSD_NON_POSITIVE_INTEGER, \
XSD_GDAY, XSD_GMONTH, XSD_GMONTH_DAY, XSD_GYEAR, XSD_GYEAR_MONTH, XSD_TIME, XSD_DATE, \
XSD_DATETIME, XSD_DATE_TIME_STAMP, XSD_ENTITY, XSD_ANY_URI, XSD_BOOLEAN, \
XSD_DURATION, XSD_DAY_TIME_DURATION, XSD_YEAR_MONTH_DURATION, XSD_BASE64_BINARY, \
XSD_HEX_BINARY, XSD_NOTATION_TYPE, XSD_ERROR, XSD_ASSERTION, XSD_SIMPLE_TYPE, \
XSD_COMPLEX_TYPE, XSD_ANY_TYPE, XSD_ANY_ATOMIC_TYPE, XSD_ANY_SIMPLE_TYPE
from ..etree import etree_element
from ..helpers import is_etree_element
from .exceptions import XMLSchemaValidationError
from .facets import XSD_10_FACETS_BUILDERS, XSD_11_FACETS_BUILDERS
from .simple_types import XsdSimpleType, XsdAtomicBuiltin
HEX_BINARY_PATTERN = re.compile(r'^[0-9a-fA-F]+$')
NOT_BASE64_BINARY_PATTERN = re.compile(r'[^0-9a-zA-z+/= \t\n]')
#
# Admitted facets sets for XSD atomic types
STRING_FACETS = (
XSD_LENGTH, XSD_MIN_LENGTH, XSD_MAX_LENGTH, XSD_PATTERN,
XSD_ENUMERATION, XSD_WHITE_SPACE, XSD_ASSERTION
)
BOOLEAN_FACETS = (XSD_PATTERN, XSD_WHITE_SPACE, XSD_ASSERTION)
FLOAT_FACETS = (
XSD_PATTERN, XSD_ENUMERATION, XSD_WHITE_SPACE, XSD_MAX_INCLUSIVE,
XSD_MAX_EXCLUSIVE, XSD_MIN_INCLUSIVE, XSD_MIN_EXCLUSIVE, XSD_ASSERTION
)
DECIMAL_FACETS = (
XSD_TOTAL_DIGITS, XSD_FRACTION_DIGITS, XSD_PATTERN, XSD_ENUMERATION,
XSD_WHITE_SPACE, XSD_MAX_INCLUSIVE, XSD_MAX_EXCLUSIVE, XSD_MIN_INCLUSIVE,
XSD_MIN_EXCLUSIVE, XSD_ASSERTION
)
DATETIME_FACETS = (
XSD_PATTERN, XSD_ENUMERATION, XSD_WHITE_SPACE,
XSD_MAX_INCLUSIVE, XSD_MAX_EXCLUSIVE, XSD_MIN_INCLUSIVE,
XSD_MIN_EXCLUSIVE, XSD_ASSERTION, XSD_EXPLICIT_TIMEZONE
)
#
# XSD built-in types validator functions
def finite_number_validator(x):
try:
if isinf(x) or isnan(x):
yield XMLSchemaValidationError(finite_number_validator, x, "value {!r} is not an xs:decimal".format(x))
except TypeError:
pass
def qname_validator(x):
if datatypes.QNAME_PATTERN.match(x) is None:
yield XMLSchemaValidationError(qname_validator, x, "value {!r} is not an xs:QName".format(x))
def byte_validator(x):
if not (-2**7 <= x < 2**7):
yield XMLSchemaValidationError(int_validator, x, "value must be -128 <= x < 128.")
def short_validator(x):
if not (-2**15 <= x < 2**15):
yield XMLSchemaValidationError(short_validator, x, "value must be -2^16 <= x < 2^16.")
def int_validator(x):
if not (-2**63 <= x < 2**63):
yield XMLSchemaValidationError(int_validator, x, "value must be -2^63 <= x < 2^63.")
def long_validator(x):
if not (-2**127 <= x < 2**127):
yield XMLSchemaValidationError(long_validator, x, "value must be -2^127 <= x < 2^127.")
def unsigned_byte_validator(x):
if not (0 <= x < 2**8):
yield XMLSchemaValidationError(unsigned_byte_validator, x, "value must be 0 <= x < 256.")
def unsigned_short_validator(x):
if not (0 <= x < 2**16):
yield XMLSchemaValidationError(unsigned_short_validator, x, "value must be 0 <= x < 2^32.")
def unsigned_int_validator(x):
if not (0 <= x < 2**64):
yield XMLSchemaValidationError(unsigned_int_validator, x, "value must be 0 <= x < 2^64.")
def unsigned_long_validator(x):
if not (0 <= x < 2**128):
yield XMLSchemaValidationError(unsigned_long_validator, x, "value must be 0 <= x < 2^128.")
def negative_int_validator(x):
if x >= 0:
yield XMLSchemaValidationError(negative_int_validator, x, reason="value must be negative.")
def positive_int_validator(x):
if x <= 0:
yield XMLSchemaValidationError(positive_int_validator, x, "value must be positive.")
def non_positive_int_validator(x):
if x > 0:
yield XMLSchemaValidationError(non_positive_int_validator, x, "value must be non positive.")
def non_negative_int_validator(x):
if x < 0:
yield XMLSchemaValidationError(non_negative_int_validator, x, "value must be non negative.")
def hex_binary_validator(x):
if x and (len(x) % 2 or HEX_BINARY_PATTERN.match(x) is None):
yield XMLSchemaValidationError(hex_binary_validator, x, "not an hexadecimal number.")
def base64_binary_validator(x):
if not x:
return
match = NOT_BASE64_BINARY_PATTERN.search(x)
if match is not None:
reason = "not a base64 encoding: illegal character %r at position %d." % (match.group(0), match.span()[0])
yield XMLSchemaValidationError(base64_binary_validator, x, reason)
else:
try:
base64.standard_b64decode(x)
except (ValueError, TypeError) as err:
yield XMLSchemaValidationError(base64_binary_validator, x, "not a base64 encoding: %s." % err)
def error_type_validator(x):
yield XMLSchemaValidationError(error_type_validator, x, "not value is allowed for xs:error type.")
#
# XSD builtin decoding functions
def boolean_to_python(s):
if s in ('true', '1'):
return True
elif s in ('false', '0'):
return False
else:
raise XMLSchemaValueError('not a boolean value: %r' % s)
def python_to_boolean(obj):
return unicode_type(obj).lower()
#
# Element facets instances for builtin types.
PRESERVE_WHITE_SPACE_ELEMENT = etree_element(XSD_WHITE_SPACE, value='preserve')
COLLAPSE_WHITE_SPACE_ELEMENT = etree_element(XSD_WHITE_SPACE, value='collapse')
REPLACE_WHITE_SPACE_ELEMENT = etree_element(XSD_WHITE_SPACE, value='replace')
XSD_COMMON_BUILTIN_TYPES = (
# ***********************
# *** Primitive types ***
# ***********************
# --- String Types ---
{
'name': XSD_STRING,
'python_type': (unicode_type, str),
'admitted_facets': STRING_FACETS,
'facets': [PRESERVE_WHITE_SPACE_ELEMENT],
}, # character string
# --- Numerical Types ---
{
'name': XSD_DECIMAL,
'python_type': (Decimal, str, unicode_type, int, float),
'admitted_facets': DECIMAL_FACETS,
'facets': [finite_number_validator, COLLAPSE_WHITE_SPACE_ELEMENT],
}, # decimal number
{
'name': XSD_DOUBLE,
'python_type': float,
'admitted_facets': FLOAT_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
}, # 64 bit floating point
{
'name': XSD_FLOAT,
'python_type': float,
'admitted_facets': FLOAT_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
}, # 32 bit floating point
# --- Dates and Times (not year related) ---
{
'name': XSD_GDAY,
'python_type': (unicode_type, str, datatypes.GregorianDay),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianDay.fromstring,
}, # DD
{
'name': XSD_GMONTH,
'python_type': (unicode_type, str, datatypes.GregorianMonth),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianMonth.fromstring,
}, # MM
{
'name': XSD_GMONTH_DAY,
'python_type': (unicode_type, str, datatypes.GregorianMonthDay),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianMonthDay.fromstring,
}, # MM-DD
{
'name': XSD_TIME,
'python_type': (unicode_type, str, datatypes.Time),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.Time.fromstring,
}, # hh:mm:ss
{
'name': XSD_DURATION,
'python_type': (unicode_type, str, datatypes.Duration),
'admitted_facets': FLOAT_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.Duration.fromstring,
}, # PnYnMnDTnHnMnS
# Other primitive types
{
'name': XSD_QNAME,
'python_type': (unicode_type, str),
'admitted_facets': STRING_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT, qname_validator],
}, # prf:name (the prefix needs to be qualified with an in-scope namespace)
{
'name': XSD_NOTATION_TYPE,
'python_type': (unicode_type, str),
'admitted_facets': STRING_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
}, # type for NOTATION attributes: QNames of xs:notation declarations as value space.
{
'name': XSD_ANY_URI,
'python_type': (unicode_type, str),
'admitted_facets': STRING_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
}, # absolute or relative uri (RFC 2396)
{
'name': XSD_BOOLEAN,
'python_type': bool,
'admitted_facets': BOOLEAN_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': boolean_to_python,
'from_python': python_to_boolean,
}, # true/false or 1/0
{
'name': XSD_BASE64_BINARY,
'python_type': (unicode_type, str),
'admitted_facets': STRING_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT, base64_binary_validator],
}, # base64 encoded binary value
{
'name': XSD_HEX_BINARY,
'python_type': (unicode_type, str),
'admitted_facets': STRING_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT, hex_binary_validator],
}, # hexadecimal encoded binary value
# *********************
# *** Derived types ***
# *********************
# --- String Types ---
{
'name': XSD_NORMALIZED_STRING,
'python_type': (unicode_type, str),
'base_type': XSD_STRING,
'facets': [REPLACE_WHITE_SPACE_ELEMENT],
}, # line breaks are normalized
{
'name': XSD_TOKEN,
'python_type': (unicode_type, str),
'base_type': XSD_NORMALIZED_STRING,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
}, # whitespaces are normalized
{
'name': XSD_LANGUAGE,
'python_type': (unicode_type, str),
'base_type': XSD_TOKEN,
'facets': [
etree_element(XSD_PATTERN, value=r"[a-zA-Z]{1,8}(-[a-zA-Z0-9]{1,8})*")
]
}, # language codes
{
'name': XSD_NAME,
'python_type': (unicode_type, str),
'base_type': XSD_TOKEN,
'facets': [etree_element(XSD_PATTERN, value=r"\i\c*")]
}, # not starting with a digit
{
'name': XSD_NCNAME,
'python_type': (unicode_type, str),
'base_type': XSD_NAME,
'facets': [etree_element(XSD_PATTERN, value=r"[\i-[:]][\c-[:]]*")]
}, # cannot contain colons
{
'name': XSD_ID,
'python_type': (unicode_type, str),
'base_type': XSD_NCNAME
}, # unique identification in document (attribute only)
{
'name': XSD_IDREF,
'python_type': (unicode_type, str),
'base_type': XSD_NCNAME
}, # reference to ID field in document (attribute only)
{
'name': XSD_ENTITY,
'python_type': (unicode_type, str),
'base_type': XSD_NCNAME
}, # reference to entity (attribute only)
{
'name': XSD_NMTOKEN,
'python_type': (unicode_type, str),
'base_type': XSD_TOKEN,
'facets': [etree_element(XSD_PATTERN, value=r"\c+")]
}, # should not contain whitespace (attribute only)
# --- Numerical derived types ---
{
'name': XSD_INTEGER,
'python_type': int if PY3 else (long_type, int),
'base_type': XSD_DECIMAL
}, # any integer value
{
'name': XSD_LONG,
'python_type': int if PY3 else (long_type, int),
'base_type': XSD_INTEGER,
'facets': [long_validator,
etree_element(XSD_MIN_INCLUSIVE, value='-9223372036854775808'),
etree_element(XSD_MAX_INCLUSIVE, value='9223372036854775807')]
}, # signed 128 bit value
{
'name': XSD_INT,
'python_type': int,
'base_type': XSD_LONG,
'facets': [int_validator,
etree_element(XSD_MIN_INCLUSIVE, value='-2147483648'),
etree_element(XSD_MAX_INCLUSIVE, value='2147483647')]
}, # signed 64 bit value
{
'name': XSD_SHORT,
'python_type': int,
'base_type': XSD_INT,
'facets': [short_validator,
etree_element(XSD_MIN_INCLUSIVE, value='-32768'),
etree_element(XSD_MAX_INCLUSIVE, value='32767')]
}, # signed 32 bit value
{
'name': XSD_BYTE,
'python_type': int,
'base_type': XSD_SHORT,
'facets': [byte_validator,
etree_element(XSD_MIN_INCLUSIVE, value='-128'),
etree_element(XSD_MAX_INCLUSIVE, value='127')]
}, # signed 8 bit value
{
'name': XSD_NON_NEGATIVE_INTEGER,
'python_type': int if PY3 else (long_type, int),
'base_type': XSD_INTEGER,
'facets': [non_negative_int_validator, etree_element(XSD_MIN_INCLUSIVE, value='0')]
}, # only zero and more value allowed [>= 0]
{
'name': XSD_POSITIVE_INTEGER,
'python_type': int if PY3 else (long_type, int),
'base_type': XSD_NON_NEGATIVE_INTEGER,
'facets': [positive_int_validator, etree_element(XSD_MIN_INCLUSIVE, value='1')]
}, # only positive value allowed [> 0]
{
'name': XSD_UNSIGNED_LONG,
'python_type': int if PY3 else (long_type, int),
'base_type': XSD_NON_NEGATIVE_INTEGER,
'facets': [unsigned_long_validator, etree_element(XSD_MAX_INCLUSIVE, value='18446744073709551615')]
}, # unsigned 128 bit value
{
'name': XSD_UNSIGNED_INT,
'python_type': int,
'base_type': XSD_UNSIGNED_LONG,
'facets': [unsigned_int_validator, etree_element(XSD_MAX_INCLUSIVE, value='4294967295')]
}, # unsigned 64 bit value
{
'name': XSD_UNSIGNED_SHORT,
'python_type': int,
'base_type': XSD_UNSIGNED_INT,
'facets': [unsigned_short_validator, etree_element(XSD_MAX_INCLUSIVE, value='65535')]
}, # unsigned 32 bit value
{
'name': XSD_UNSIGNED_BYTE,
'python_type': int,
'base_type': XSD_UNSIGNED_SHORT,
'facets': [unsigned_byte_validator, etree_element(XSD_MAX_INCLUSIVE, value='255')]
}, # unsigned 8 bit value
{
'name': XSD_NON_POSITIVE_INTEGER,
'python_type': (long_type, int),
'base_type': XSD_INTEGER,
'facets': [non_positive_int_validator, etree_element(XSD_MAX_INCLUSIVE, value='0')]
}, # only zero and smaller value allowed [<= 0]
{
'name': XSD_NEGATIVE_INTEGER,
'python_type': (long_type, int),
'base_type': XSD_NON_POSITIVE_INTEGER,
'facets': [negative_int_validator, etree_element(XSD_MAX_INCLUSIVE, value='-1')]
}, # only negative value allowed [< 0]
)
XSD_10_BUILTIN_TYPES = XSD_COMMON_BUILTIN_TYPES + (
# --- Year related primitive types (year 0 not allowed) ---
{
'name': XSD_DATETIME,
'python_type': (unicode_type, str, datatypes.DateTime10),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.DateTime10.fromstring,
}, # [-][Y*]YYYY-MM-DD[Thh:mm:ss]
{
'name': XSD_DATE,
'python_type': (unicode_type, str, datatypes.Date10),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.Date10.fromstring,
}, # [-][Y*]YYYY-MM-DD
{
'name': XSD_GYEAR,
'python_type': (unicode_type, str, datatypes.GregorianYear10),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianYear10.fromstring,
}, # [-][Y*]YYYY
{
'name': XSD_GYEAR_MONTH,
'python_type': (unicode_type, str, datatypes.GregorianYearMonth10),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianYearMonth10.fromstring,
}, # [-][Y*]YYYY-MM
)
XSD_11_BUILTIN_TYPES = XSD_COMMON_BUILTIN_TYPES + (
# --- Year related primitive types (year 0 allowed and mapped to 1 BCE) ---
{
'name': XSD_DATETIME,
'python_type': (unicode_type, str, datatypes.DateTime),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.DateTime.fromstring,
}, # [-][Y*]YYYY-MM-DD[Thh:mm:ss]
{
'name': XSD_DATE,
'python_type': (unicode_type, str, datatypes.Date),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.Date.fromstring,
}, # [-][Y*]YYYY-MM-DD
{
'name': XSD_GYEAR,
'python_type': (unicode_type, str, datatypes.GregorianYear),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianYear.fromstring,
}, # [-][Y*]YYYY
{
'name': XSD_GYEAR_MONTH,
'python_type': (unicode_type, str, datatypes.GregorianYearMonth),
'admitted_facets': DATETIME_FACETS,
'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
'to_python': datatypes.GregorianYearMonth.fromstring,
}, # [-][Y*]YYYY-MM
# --- Datetime derived types (XSD 1.1) ---
{
'name': XSD_DATE_TIME_STAMP,
'python_type': (unicode_type, str),
'base_type': XSD_DATETIME,
'to_python': datatypes.DateTime.fromstring,
'facets': [etree_element(XSD_EXPLICIT_TIMEZONE, value='required')],
}, # [-][Y*]YYYY-MM-DD[Thh:mm:ss] with required timezone
{
'name': XSD_DAY_TIME_DURATION,
'python_type': (unicode_type, str),
'base_type': XSD_DURATION,
'to_python': datatypes.DayTimeDuration.fromstring,
}, # PnYnMnDTnHnMnS with month an year equal to 0
{
'name': XSD_YEAR_MONTH_DURATION,
'python_type': (unicode_type, str),
'base_type': XSD_DURATION,
'to_python': datatypes.YearMonthDuration.fromstring,
}, # PnYnMnDTnHnMnS with day and time equals to 0
# --- xs:error primitive type (XSD 1.1) ---
{
'name': XSD_ERROR,
'python_type': type(None),
'admitted_facets': (),
'facets': [error_type_validator],
}, # xs:error has no value space and no lexical space
)
def xsd_builtin_types_factory(meta_schema, xsd_types, atomic_builtin_class=None):
"""
Builds the dictionary for XML Schema built-in types mapping.
"""
atomic_builtin_class = atomic_builtin_class or XsdAtomicBuiltin
if meta_schema.XSD_VERSION == '1.1':
builtin_types = XSD_11_BUILTIN_TYPES
facets_map = XSD_11_FACETS_BUILDERS
else:
builtin_types = XSD_10_BUILTIN_TYPES
facets_map = XSD_10_FACETS_BUILDERS
#
# Special builtin types.
#
# xs:anyType
# Ref: https://www.w3.org/TR/xmlschema11-1/#builtin-ctd
any_type = meta_schema.BUILDERS.complex_type_class(
elem=etree_element(XSD_COMPLEX_TYPE, name=XSD_ANY_TYPE),
schema=meta_schema,
parent=None,
mixed=True
)
any_type.content_type = meta_schema.create_any_content_group(any_type)
any_type.attributes = meta_schema.create_any_attribute_group(any_type)
xsd_types[XSD_ANY_TYPE] = any_type
# xs:anySimpleType
# Ref: https://www.w3.org/TR/xmlschema11-2/#builtin-stds
xsd_types[XSD_ANY_SIMPLE_TYPE] = XsdSimpleType(
elem=etree_element(XSD_SIMPLE_TYPE, name=XSD_ANY_SIMPLE_TYPE),
schema=meta_schema,
parent=None,
name=XSD_ANY_SIMPLE_TYPE
)
# xs:anyAtomicType
# Ref: https://www.w3.org/TR/xmlschema11-2/#builtin-stds
xsd_types[XSD_ANY_ATOMIC_TYPE] = meta_schema.BUILDERS.restriction_class(
elem=etree_element(XSD_SIMPLE_TYPE, name=XSD_ANY_ATOMIC_TYPE),
schema=meta_schema,
parent=None,
name=XSD_ANY_ATOMIC_TYPE,
base_type=xsd_types[XSD_ANY_SIMPLE_TYPE]
)
for item in builtin_types:
item = item.copy()
name = item['name']
try:
elem, schema = xsd_types[name]
except KeyError:
# If builtin type element is missing create a dummy element. Necessary for the
# meta-schema XMLSchema.xsd of XSD 1.1, that not includes builtins declarations.
elem = etree_element(XSD_SIMPLE_TYPE, name=name, id=name)
else:
if schema is not meta_schema:
raise XMLSchemaValueError("loaded entry schema doesn't match meta_schema!")
if 'base_type' in item:
base_type = item['base_type'] = xsd_types[item['base_type']]
else:
base_type = None
facets = item.pop('facets', None)
builtin_type = atomic_builtin_class(elem, meta_schema, **item)
if isinstance(facets, (list, tuple)):
built_facets = builtin_type.facets
for e in facets:
if is_etree_element(e):
cls = facets_map[e.tag]
built_facets[e.tag] = cls(e, meta_schema, builtin_type, base_type)
elif callable(e):
if None in facets:
raise XMLSchemaValueError("Almost one callable for facet group!!")
built_facets[None] = e
else:
raise XMLSchemaValueError("Wrong type for item %r" % e)
builtin_type.facets = built_facets
xsd_types[name] = builtin_type