xsdata

What's Changed

• Fix missing imports on inheriting multiple mixins for the same class … by @Risto97 in #1157
• Add flag for specifying extensions by @alexbeattie42 in #1168
• Update xml_serializing.md by @Nokhrin in #1175
• chore(deps): bump the github-actions group across 1 directory with 4 updates by @dependabot[bot] in #1178
• fix(formats): use inspect module to gather annotations by @finswimmer in #1173
• Use upstream docformatter repo by @montasaurus in #1180
• Drop docformatter by @tefra in #1188
• Drop support for python 3.9 by @tefra in #1189
• chore(deps): bump the github-actions group across 1 directory with 3 updates by @dependabot[bot] in #1187
• Complete bookform fixtures in tests by @tefra in #1190
• Update ruff config to target 3.10 by @tefra in #1191
• Remove unused imports by @tefra in #1192
• Always generate postponed annotation import by @tefra in #1193
• Preserve default values in compound fields by @tefra in #1194
• Update readthedocs config by @tefra in #1195
• Update docs by @tefra in #1196
• Fix incorrect max_occurs for elements in different choice blocks by @tefra in #1197
• Remove xsdata shorthand by @tefra in #1128
• Increase coverage back to 100% by @tefra in #1198
• fix: Improve downloader to handle all schemas structures by @tefra in #1199
• Suppress AttributeError retrieving subclasses by @tefra in #1200
• Switch to Sequence when using generic containers by @tefra in #1201
• Preparing v26.1 by @tefra in #1202

New Contributors

• @Risto97 made their first contribution in #1157
• @alexbeattie42 made their first contribution in #1168
• @Nokhrin made their first contribution in #1175
• @finswimmer made their first contribution in #1173
• @montasaurus made their first contribution in #1180

Full Changelog: v25.7...v26.1

What's Changed

• Fix: KeyError in XmlMetaBuilder.build_class_meta for certain packages by @jootten in #1144
• Nested wildcard tails by @qthequartermasterman in #1151
• Release v25.7 by @tefra in #1155

New Contributors

• @jootten made their first contribution in #1144
• @qthequartermasterman made their first contribution in #1151

Full Changelog: v25.4...v25.7

What's Changed

• Update pre commit hooks by @tefra in #1123
• Use ruff expanded cli config by @tefra in #1125
• Preserve inner references during unnest by @tefra in #1126
• Split rename and merge logic for duplicate classes by @tefra in #1127
• Allow to match on module path by @diotteo in #1132
• Releasing v25.4 by @tefra in #1134

New Contributors

• @diotteo made their first contribution in #1132

Full Changelog: v24.12...v25.4

What's Changed

• Fix release action by @tefra in #1087
• Re-enable test pypi upload by @tefra in #1088
• move root clazz lookup to a separate method by @leo-b in #1090
• fix: Prohibited fields need default value None by @tefra in #1098
• fix: Mark body and fault as optional in output soap classes by @tefra in #1099
• feat: Include common soap encoding schema by @tefra in #1100
• chore(deps): bump codecov/codecov-action from 4 to 5 in the github-actions group by @dependabot in #1102
• Remove subscriptable types config by @tefra in #1101
• Update tests gh workflow by @tefra in #1105
• Fix: Priorities when selecting source attr type by @tefra in #1107
• Release v24.12 by @tefra in #1109

New Contributors

• @leo-b made their first contribution in #1090

Full Changelog: v24.11...v24.12

What's Changed

• Add cli config to use generic collections by @tefra in #1082
• fix: Avoid conflict with attributes named value when flattening extensions by @tefra in #1085

Full Changelog: v24.9...v24.11

What's Changed

• fix: fix python 3.13 deprecation by @tlambert03 in #1077
• Pursue a part of #1030, so it becomes part of the next release by @skinkie in #1074
• Releasing 24.9 by @tefra in #1078

Full Changelog: v24.7...v24.9

What's Changed

• fix: Reset attr types derived from empty simple types by @tefra in #1062
• feat: Filter element unions against fixed attribute values by @tefra in #1066
• feat: XmlSerializer skip optional nillable elements by @tefra in #1067
• Release v24.7 by @tefra in #1068

Full Changelog: v24.6.1...v24.7

What's Changed

• fix: Ruff check command typo breaks generator by @tefra in #1061

Full Changelog: v24.6...v24.6.1

What's Changed

• fix: Derived element json serialization by @tefra in #1035
• feat: Improve converter warnings by @tefra in #1036
• feat: Remove whitespace from bytes encoded xml strings by @tefra in #1037
• chore: Code cleanup by @tefra in #1038
• chore: Remove unnecessary import by @tefra in #1040
• Set typing-extensions minimum version by @zariiii9003 in #1039
• fix: Avoid using not-threadsafe arnings.catch_warning by @tefra in #1042
• Run ruff once by @tefra in #1043
• fix: Run Ruff on package directories rather than files by @SrirachaHorse in #1049
• fix: Unnest classes should update inner classes recursively by @tefra in #1047
• revert: Add back support for optional lists by @tefra in #1053
• fix: Use ruff to enforce double quotes on patterns by @tefra in #1055
• Releasing 24.6 by @tefra in #1056

New Contributors

• @zariiii9003 made their first contribution in #1039

Full Changelog: v24.5...v24.6

Features

• Rewrite TreeSerializer, drop support for native python ElementTree (#1032)
• Validate fields fixed values (#1013)
• Detect optional fields in dict mapper
• Refactor typing annotations analyze process
• Generate ForwardRef() instead of Type[]

Fixes

• Allow soap client config subclassing (#1010)
• Avoid recursive error on nested group references (#1016)
• Add warning for same module designation (#1018)

Features

• Add xml and lxml tree serializers (#975)
• Capture namespace prefixes in user dicts (#978)
• Add cli option to generate wrapper fields (#982)
• Support wrapper fields in JSON data bindings (#982)
• Use abstract suffixes to resolve class name conflicts (#985)
• Add the version number in the cli cache key (#990)
• Use unicodedata.name for attrs with only special characters (#993)
• Add src code excerpts on ruff errors (#996)
• Detect circular imports and raise appropriate error (#999)
• Add support for Python 3.13 (#1001)
• Add cli debug messages with performance stats

Fixes

• Use deepcopy to clone codegen models (#980)
• Generate type hints for compound fields with token elements (#997)
• Protect prohibited attrs from turning into lists (#998)
• Convert child attr to list when parent is list (#998)

Fixes

• Unnest class with circular reference (#974)

Features

• Avoid flattening root elements (#945)
• Avoid generating ambiguous choices (#946)
• Added various type reference validations (#966, #967, #968)
• Calculate circular references more accurately (#969)
• Prettify codegen errors (#970)
• Use Ruff to sort imports (#972)

Fixes

• Move ruff format in the code generator (#964)

What's Changed

• make FieldInfo a protocol by @tlambert03 in https://github.com/tefra/xsdata/pull/949
• fix: Ensure original name case returns valid python identifiers by @tefra in https://github.com/tefra/xsdata/pull/950

Full Changelog: https://github.com/tefra/xsdata/compare/v24.2...v24.2.1

What's Changed

• Update year in docs by @tefra in https://github.com/tefra/xsdata/pull/911
• Update readthedocs config by @tefra in https://github.com/tefra/xsdata/pull/912
• docs: update required python version in install docs by @afuetterer in https://github.com/tefra/xsdata/pull/924
• ci: add dependabot section for github action updates by @afuetterer in https://github.com/tefra/xsdata/pull/923
• Bump the github-actions group with 3 updates by @dependabot in https://github.com/tefra/xsdata/pull/925
• chore: fix typos by @afuetterer in https://github.com/tefra/xsdata/pull/926
• chore: modernize ruff config to work with ruff >= 0.2 by @afuetterer in https://github.com/tefra/xsdata/pull/936
• Refactor documentation by @tefra in https://github.com/tefra/xsdata/pull/915
• Switch to mkdocs by @tefra in https://github.com/tefra/xsdata/pull/928
• Update readme logo url by @tefra in https://github.com/tefra/xsdata/pull/938
• Add dict encoder/decoder by @tefra in https://github.com/tefra/xsdata/pull/939
• fix: Respect encoding configuration in lxml event writer by @tefra in https://github.com/tefra/xsdata/pull/940
• deprecate: Serializer config pretty_print/pretty_print_identation by @tefra in https://github.com/tefra/xsdata/pull/942
• Bump the github-actions group with 2 updates by @dependabot in https://github.com/tefra/xsdata/pull/937
• Releasing 24.2 by @tefra in https://github.com/tefra/xsdata/pull/944

New Contributors

• @afuetterer made their first contribution in https://github.com/tefra/xsdata/pull/924
• @dependabot made their first contribution in https://github.com/tefra/xsdata/pull/925

Full Changelog: https://github.com/tefra/xsdata/compare/v24.1...v24.2

• Fixed XmlParser to ignore xsi attrs when fail on unknown attributes is enabled (#846)
• Fixed parsing mandatory byte elements with no value (#873)
• Fixed issue in json binding with union fields (#864)
• Fixed PycodeSerializer to escape unicode characters in string values (#877)
• Fixed compound field choices with forward references (#886)
• Fixed google style docstrings to add missing colon (#884)
• Fixed deprecation warnings for datetime.datetime.utcnow()
• Fixed XmlSerializer to ignore empty non-nillable/required tokens (#902)
• Fixed issue with invalid variable names when using originalCase naming convention (#881)
• Added type hints for compound fields (#858, #885)
• Added http header when loading remote resources (#867)
• Added warning when converting parent field to a list (#871)
• Added ruff to format generated code (#892)
• Added option to use substitution group names for compound field name (#905)
• Updated base64 decoding to enable validation (#875)
• Updated generator to render prohibited parent fields with restriction extensions (#908)
• Updated generator so plugins can easily override templates

• Removed Python 3.7 support
• Fixed PycodeSerializer not adding imports for nested classes
• Fixed imports ordering
• Added support for strict content wildcard processing (#803)

• Fixed decimal converter to avoid scientific notations (#826)
• Fixed nympy parameter docstring format (#827)
• Fixed optional/required override validation (#820)
• Fixed WSDL mapper to respect the elements original location (#832)
• Added Python 3.12 support

• Fixed conflicting enum values leading to wrong default values (#806)
• Added support for custom decorators and base classes (#793)
• Added parser config to load external dtd to resolve entities (#797)
• Added requests sessions on the wsdl client transport (#798)
• Added support subscriptable types and UnionType (#801)
• Added option to restrict models package for auto-locator (#809)
• Updated context to only cache supported classes (#796)
• Removed tox requirement (#800)
• Converted to pyproject.toml (#802)

• Fixed XML meta var index conflicts.
• Fixed mixed content handling for DTD elements. (#749, #762)
• Fixed an issue with required attributes turning into optional ones.
• Fixed calculation of min/max occurs when parsing XML/JSON documents. (#756)
• Fixed calculation of min/max occurs when parsing DTD choice content types. (#760)
• Fixed an issue when parsing tail content for compound wildcard elements.
• Fixed an issue with the code analyzer not fully processing some classes.
• Fixed an issue with the code analyzer taking forever to process very large enumerations. (#776)
• Fixed an issue in the JSON parser with optional choice elements.
• Updated the transformer to silently ignore malformed JSON files. (#750)
• Updated the override attribute handler to fix naming conflicts.
• Updated the override attribute handler to allow wildcard overrides.
• Updated conditions on extensions flattening (over-flattening). (#754)
• Updated Group, AttributeGroup handling, skipping a few cases.
• Updated how min/max occurs are calculated with nested containers.
• Updated handling of element substitutions to treat them as choices. (#786)
• Updated Pycodeserializer to skip default field values.
• Updated flattening restriction base classes when sequence elements are out of order.
• Updated docformatter to v1.6.5.
• Added support to override compound fields.
• Added support for multiple sequential groups in a class.
• Added support for non-list compound fields.
• Added support to mix list and non-list fields with sequence groups.
• Added an option to include headers in generated files. (#746)
• Added an option to cache the initial load and mapping of resources.
• Added support for regular expressions in config substitutions. (#755)
• Added a pretty print indentation option in the serializer config. (#780)
• Added an option to set the encoding in the SOAP Client. (#773)
• Added a CLI flag to show debug messages.
• Added a debug message for possible circular references during code generation.
• Added support to generate prohibited fields when they restrict parent fields. (#781)

This release is bigger than intended and includes many major changes, that's why it took so long.

• Added option to ignore xml pattern restrictions #727
• Added globalns support via SerializerConfig #724
• Pinned docformatter version to v1.5.0 #729

• Added list wrapper for elements and primitive nodes #710

• Fixed code generation inconsistencies in different operating systems.
• Fixed circular imports error #706
• Fixed naming conflicts in imports #706
• Fixed issue with wrong occurrences in DTD code generation #705
• Fixed xs:group and xs:attrGroup name conflicts #702
• Added mathml3 in standard schemas

• Added pycode serializer #626
• Added option to filter out unused global types #691
• Avoid using generics for mixed content when possible #696
• Removed support for python 3.6 #671

• Fix empty lists do not get serialized #686
• Added external DTD code generator #688
• Added support for python 3.11

In the next release we will drop python 3.6 support!!!

• Added support for xml date/time nanoseconds #679

• Added config option to unnest classes
• Added new class meta option global_type, to hide classes from discovery
• Removed min/max length restrictions for enum type fields
• Allow builtin xml types to be fully extended #672

• Added official support for python 3.11
• Fixed enumerations restricting complex types #659
• Fixed attribute name duplicate check to avoid invalid slugs

• Fixed substitution groups on duplicate global types #648
• Added Postponed Annotations config option #646
• Added support for subclasses with different namespaces #654

• Added recursive glob for cli dir source #643
• Added cfg options to change/force compound field names #639

• Fixed wsdl generator to use operation name for rpc input messages #609
• Fixed wsdl generator to check for qualified elements for message part types #612
• Fixed compound field matcher to prefer exact types over derived #617
• Added async to the reserved keywords #600
• Added generator config for search & replace substitutions #624
• Updated code generator to remove abstract elements from class attrs #627
• Updated code generator to filter out all unused types #629

• Fixed unescaped quotes in regex pattern #592
• Added config option fail_on_unknown_attributes #597
• Fixed build for python 3.10

• Automate cli generate options #578

  • Generate cli options by the config model
  • Allow to enable/disable any flag
  • Allow to bypass any value from the config
  • Removed -cf/-ri as we can't have switches with short names

• Fixed generator not cascading default values to inner classes #579

• Re-raise xml syntax errors as xsdata.exceptions.ParserError #571

• Added cli summary with recovered warnings and issues #583

• Removed the native and lxml SAX handlers #582

• Deprecated JsonSerializer indent property, use SerializerConfig instead

• Fixed SchemaMapper assigning wrong namespace for imported unqualified elements

• Fixed AttributeTypeHandler to maintain occurs between any flattening

• Fixed missing required field metadata property

• Fixed nillable fields not being marked as optional

• Fixed fields ordering during class reduce process (Codegen from xml/json)

• Added support for xs:defaultOpenContent:appliesToEmpty attribute

• Added ParserConfig class factory option #549

• Added SerializerConfig option to ignore optional default attributes #555

• Added warning on unexpected duplicate types #564

• Added GeneratorConfig support for kw_only and slots for python >= 3.10

• Added structure style namespace-clusters #573

• Updated text fields default value to empty string and marked as required #570

• Updated fields derived from xs:substitutionGroups to optional

• Updated fields derived from xs:any to optional

• Updated AttributeDefaultValueHandler to preserve acceptable default values

• Updated AttributeDefaultValueHandler to mark as optional any xsi:type attribute

• Updated xs:alternative handling to resemble xs:choice

• Updated mixed content handler to group all elements under wildcard

• Updated ElementMapper to detect nillable types

• Updated DictMapper to generate list of xs:anySimpleType for empty list nodes

• Updated the compatibility layer for dataclass style plugins

• Updated namespaces structure style to convert namespaces similar to jaxb

  • http://www.w3.org/XML/1998/namespace to org.w3.XML.1998.namespace

• Update binding process for nillable types and fields

  • nillable types can be initialized
  • nillable fields are initialized with None values

• Fixed docstrings backslash escaping #518
• Fixed analyzer flattening bare types #541
• Fixed multiple issues with compound fields and override fields #533
• Fixed missing derived elements types during xml parsing #541
• Added structure style: clusters for smaller packages #509
• Added configuration to generate relative imports #519
• Added configuration to toggle all dataclasses features #529
• Added binding support for tuple typing annotations (frozen dataclasses) #529
• Added support to bind data directly from xml/lxml Element and ElementTree #531 #546
• Updated analyzer to avoid same name for outer-inner classes #511
• Updated cli to fail early if config file is invalid #514
• Updated cli to remove setuptools from runtime dependencies #515
• Updated analyzer to relax override field validations completely #516
• Updated analyzer to sort classes before class name conflict resolution #517
• Updated JSON parser to attempt binding against subclasses #527
• Updated analyzer to guard against multiple substitution group runs #538
• Updated code generation to use case-sensitive reserved words #545

• Fixed no args Dict annotation, raising an exception #494

• Fixed original name case not working for field names #498

• Fixed element type resolution with duplicate name conflicts #503

• Added handler to flatten bare inner classes

• Added the ability for custom types to subclass named tuples

• Added keyword meta in the reserved words #491

• Added new xml type Ignore to skip fields during binding #504

• Updated generic model DerivedElement.substituted flag with xsi:type

• Updated core components to improve binding performance

  • Converted almost all internal dataclasses to simple objects with slots
  • Converted the internal xml date/time types to named tuples
  • Reduced models metadata lookup times and memory footprint

• Updated JSON parser #495

  • Support failing on unknown properties
  • Support required properties
  • Support parser config
  • Stricter binding process
  • Enhance DerivedElement support

• Moved Definitive XML Schema tests to the samples repository

• Added output structure style single-package #469
• Added support for marshalling array of objects for json #448
• Added support to generate code from raw json documents #445
• Added docstring style Blank to avoid generating them #460
• Added validations for non-supported type hints
• Added support for python 3.10
• Generate package all lists #459
• Generate factory for xs:list enumeration default values #471
• Avoid generating prohibited elements with maxOccurs==0 #478
• Avoid generating identical overriding fields #466
• Fixed flattening base classes if they are also subclasses #473
• Fixed unchecked class name conflict resolution #457
• Refactored context components to improve binding performance #476

• Split requirements to extras cli, soap and lxml #419
• Fixed parser conflict when an attribute and element field have the same qualified name
• Added cli auto-detection for source types, removed cli flag --wsdl
• Added cli support to generate code from raw xml documents
• Added cli entry point to allow pluggable output formats #429
• Added cli short flags for all options and flags
• Added handler to set effective choice groups #433
• Moved plantUML output format to a standalone plugin
• Updated xml parser to allow unions of primitive and class types
• Updated XmlDateTime parser to catch invalid cases with extra leading zeros
• Updated QName converter to validate uri/ncname when parsing string representations
• Updated JsonParser to allow parsing from filename string
• Updated cli option --compound-fields to a boolean flag

• Added constant name convention config #407
• Added naming schemes screaming snake case and original case
• Updated xsi:lookup on xs:any derived elements #315
• Updated fields restriction inheritance #417
• Updated cli to allow package override from arguments #416
• Updated code generation to merge duplicate global types earlier #406
• Fixed docstrings issue breaking python syntax #403
• Fixed bindings for nillable content without workarounds #408
• Fixed resolver to apply aliases on extensions and choice fields #414
• Fixed schema models limiting xs:appinfo occurrences #420
• Decoupled core systems from click and lxml

Notice: In the next release installation profiles will be introduced that will turn the cli, lxml and soap features optional.

• Added class name context for user naming schemes #348
• Added mixed pascal naming scheme #348
• Added access to element/attribute name generators #381
• Added XmlHexBinary/XmlBase64Binary builtin data types #387
• Added support for xs:anyType root elements #399
• Updated JSON binding modules to use the fields local name #389
• Updated enum classes generation
  • Promote all inner enums to root #383
  • Fixed issues with producing invalid members #385
  • Added support for list/tuple member values
• Updated parsers accuracy for Union types
• Updated dependency resolution accuracy
• Update base classes generation strategies
• Updated builtin data types with helper constructors/methods
• Fixed inner class names conflicts #375
• Fixed issue not generating fields derived from xs:alternative elements #393
• Fixed duplicate root class name regression from v20.12
• Fixed issue adding unused lib imports
• Fixed issue adding unused name properties to choice elements

This is a sleeper release ✨✨✨ so many code generation improvements and finally the JSON binding is aligned with XML.

• Fixed XmlWriter converting attribute keys to QName. #346
• Set empty complexType base to anySimpleType #349
• Improve duplicate attr names detection #351
• Add SerializerConfig::xml_declaration option #357
• Generate default value/factory for compound fields #359
• Fixed default value for token fields #360
• Add doc metadata for compound fields #362
• JsonParser: handle class and primitive unions #369
• Update python mappings #366
  • Map xs:hexBinary and xs:base64Binary to bytes
  • Map xs:date/time types to builtin types XmlDate/Time
  • Map xs:duration to builtin type XmlDuration
  • Map xs:g[Year[Month[Day]]] to builtin type XmlPeriod
  • Map xs:Notation to QName
  • Add converter adapters for datetime.date/time
  • Add fields metadata key 'format' for time/date/binary types
  • Fixed issues with default literal values
  • Fixed issue with random field types order

• Added SerializerConfig with new options. #268, #320
• Added docstring styles: rst, google, numpy, accessible. #318, #340
• Added max line length generator configuration. #342
• Added dynamic type locator for parsers. #332
• Fixed multiple issues with json binding. `987% successful roundtrips

• Catch all type errors on xsi cache build #316

• Added sub command to download remote schemas and definitions. #279
• Added new optional xml type Elements to maintain ordering for repeatable choices. #296
• Added xsi:type lookup procedure for xs:anyType derived elements. #306
• Updated simple type flattening detection. #286
• Updated generator to allow namespace structure on schemas without target namespace.
• Updated generator to avoid writing min/max occurs metadata for implied values. #297
• Update generator to use literal dictionary initialization.
• Updated parser security, disable lxml network and entities resolve.
• Fixed field types detection for elements with xs:alternative children. #284
• Fixed file generation to enforce default charset UTF-8. #302
• Fixed jinja2 undefined namespace var collision. #298
• Fixed import class name collision. #300
• Fixed restriction inheritance on xs:group elements. #301

• Fixed generator adding multiple default value fields. #249
• Fixed generator not applying nested container restrictions. #263
• Fixed generator to avoid case insensitive class name conflicts. #269
• Fixed generator rendering unused simple types.
• Fixed generator unsorted libraries imports.
• Fixed JsonParser trying to parse init=False fields. #253
• Fixed NodeParser binding tail content more than once with mixed vars. #256
• Added XmlWriter interface to decouple serialize from lxml. #247
• Added native python xml content writer XmlEventWriter. ✨✨✨
• Added lxml based content writer LxmlEventWriter.
• Added generator config with options to control naming cases and aliases. #265
• Updated field xml type auto-detection to be more flexible. #246
• Updated EnumConverter to resort to canonical form matching as last resort. #273
• Updated support for derived elements. #267

This is my favorite release so far, maybe because xsdata reached one year of development ✨✨✨ or maybe because some of the last original components finally got the rewrite they deserved.

• Added field metadata key tokens for xs:list or xs:NMTOKENS derived elements.
• Added datatype factory to register custom converters.
• Added XmlHandler interface to decouple parsing from lxml.
• Added lxml based content handlers: LxmlEventHandler, LxmlSaxHandler
• Added native python xml content handlers: XmlEventHandler, XmlSaxHandler
• Added support for python >= 3.6 #241
• Added codegen for soap 1.1 fault messages.
• Fixed converting to enum members derived from xs:NMTOKENS.
• Fixed package level import naming conflicts. #228
• Fixed xml serializing to allow empty strings in attribute values. #230
• Fixed xml serializing for mixed content with non generics. #238

• Added codegen support for WSDL 1.1 and SOAP 1.1 bindings.
• Added experimental web services client.
• Added cli flag --ns-struct to group classes by target namespaces. #206
• Added parser config to support xinclude statements. #207
• Added new xml union node to improve bindings for fields with union type. #207
• Fixed class resolve issue with mixed namespaces. #204
• Fixed attribute comparison issue. #209
• Fixed data type mapping for various schema elements. #221
• Fixed mixed content handling. #213
• Code cleanup & 100% coverage.

• Updated analyzer to allow abstract types to be generated. #199
• Removed support to generate code from multiple sources. #172
• Fixed naming conflict with AttributeGroup analyzer handler. #194
• Fixed analyzer to merge redefined attribute groups. #196
• Fixed analyzer to block inheritance on xs:override derived types. #198
• Refactored code to prepare for wsdl support.

• Updated XmlSerializer to render default namespace whenever possible.
• Fixed issue generating modules outside the target package.
• Fixed issue not creating nested package init files.
• Code cleanup & docstrings

• Added version option in the xsdata cli.
• Added generation of missing python init files.
• Added support for default values to inner enum classes.
• Fixed multiple issues with abstract classes and attributes/extension flattening.
• Fixed instance cross references causing codegen unpredictable results.
• Fixed xml serialization of wildcard attributes with user defined model values.
• Fixed issue with redefined/override elements with annotations.
• Fixed expand attribute groups recursively.
• Fixed false positive circular references.
• Fixed enumeration unions detection.
• Refactored ClassAnalyzer to smaller components.

• Fix flattening enumeration unions.
• Fix generation for enum fields with default/fixed value.
• Fix duplicate attribute names handler to be case-insensitive.

• Added support to fetch remote schemas.
• Updated duplicate attribute names handling.
• Updated code generation for enum type fields and default values.
• Fixed issue not generating classes derived from simple types.
• Fixed analyzer reaching the maximum recursion depth.
• Fixed analyzer to flatten properly inner self referencing classes.
• Moved dataclasses python conventions to jinja filters.

• Updated codegen cli to accept multiple definitions or directories as argument.
• Update ClassBuilder to recursively search for anonymous types.
• Updated XmlParser to be thread-safe.
• Added performance tweaks on XmlParser.
• Added parser config to fail or not on unknown properties.
• Fixed primitive types being marked as forward references.
• Fixed nested restrictions on xs:simpleType.
• Fixed ClassAnalyzer to recover/ignore missing types.

• Added support for abstract xsi:types in XmlParser.
• Added cache for event names in XmlParser.
• Added sanitization for generated module names.
• Fixed not flattening abstract extension.
• Fixed extension name conflicts between simple and complex types.
• Fixed possible memory leak in CodeWriter.
• Fixed looping variables twice to find next node in XmlParser.
• Fixed CodeWriter adding unnecessary new lines.

• Fixed open content attribute with mode suffix to be generated last.
• Fixed issues with wildcard and mixed content parsing.
• Updated xs:qname mapping to lxml.QName
• Updated support for xs:list.
• Updated parser to ignore xsi:type attributes default/fixed values.
• Refactored code components.
• Pass more than 99% of the `W3C XML Schema 1.1 test cases https://travis-ci.org/tefra/xsdata-w3c-tests

• Added support for sequential fields.
• Added support for open content.
• Added support multiple redefined elements.
• Updated support for wildcards to be aware of generic namespaces.
• Updated support for wildcards to be aware of non-generic objects.
• Updated codegen to run after fully parsing all the definitions.
• Updated codegen to skip unresolved schema locations.
• Updated xml parser to ignore comments.
• Updated xml parser to retain a copy of the input namespaces.
• Fixed issues with nillable fields being ignored.
• Fixed multiple issues with wrong restrictions being applied.
• Fixed binding issues when there are naming conflicts.
• Fixed serialization for inf/nan/exponential float and decimal values.
• Fixed naming conflicts with class/package names.
• Fixed multiple circular import issues during parsing and code generation.
• Pass more than 98% of the `W3C XML Schema 1.1 test cases https://travis-ci.org/tefra/xsdata-w3c-tests

• Added copies of common schemas xlink, xsi, xml.
• Added XML Schema 1.1 models and properties.
• Added support for redefines, overrides, alternatives and default attributes.
• Added missing xsd data types: dateTimestamp, anyType, anyAtomicType.
• Added protection against duplicate class fields enumerations.
• Added python common types to the stop word list.
• Updated wildcards parsing to avoid duplicate elements.
• Updated native datatype detection made stricter.
• Updated enumerations generation to sort and filter values.
• Updated mapping xs:decimal to python Decimal
• Fixed elements/attribute not inheriting namespaces from references.
• Fixed module names collisions.
• Fixed self referencing classes.
• Fixed class name collisions complexTypes vs elements.
• Fixed parsers not respecting default values.
• Fixed AbstractXmlParser to handle leafless root nodes.
• Pass more than 90% of the `W3C XML Schema 1.1 test cases https://travis-ci.org/tefra/xsdata-w3c-tests.

• Added support xs:any and xs:anyAttribute elements.
• Added support for auto-detecting XML Schema namespace prefix.
• Added support for xml datatypes lang and base.
• Refactored SchemaParser to use the XmlParser.
• Updated XmlParser to bind after elements are fully parsed.