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Change history for XBlock

Unreleased

5.1.0 - 2024-08-07

  • added ability to override an XBlock with the 'xblock.v1.overrides' entry point
  • added ability to override an XBlock Aside with the 'xblock_asides.v1.overrides' entry point

5.0.0 - 2024-05-30

  • dropped python 3.8 support
  • transitioned from deprecated pkg_resources lib to importlib.resources

4.1.0 - 2024-05-16

  • optional streaming response support added to webob_to_django_response

4.0.1 - 2024-04-24

  • unpin lxml constraint.

4.0.0 - 2024-04-18

  • xblock.fragment has returned as a pass-though component to web_fragments.fragment

3.0.0 - 2024-03-18

Various extraneous classes have been removed from the XBlock API, simplifying its implementation and making debugging of XBlock instances easier. We believe that most, if not all, XBlock API users will be unaffected by this change. Some improvements have also been made to the reference documentation.

Specific changes:

  • Removed:
    • xblock.XBlockMixin (still available as xblock.core.XBlockMixin)
    • xblock.core.SharedBlockBase (replaced with xblock.core.Blocklike)
    • xblock.internal.Nameable
    • xblock.internal.NamedAttributesMetaclass
    • xblock.django.request.HeadersDict
    • xblock.fields.XBlockMixin (still available as xblock.core.XBlockMixin)
    • xblock.mixins.RuntimeServicesMixin
    • xblock.mixins.ScopedStorageMixin
    • xblock.mixins.IndexInfoMixin
    • xblock.mixins.XmlSerializationMixin
    • xblock.mixins.HandlersMixin
    • xblock.mixins.ChildrenModelMetaclass
    • xblock.mixins.HierarchyMixin
    • xblock.mixins.ViewsMixin
  • Added:
    • xblock.core.Blocklike, the new common ancestor of XBlock and XBlockAside, and XBlockMixin, replacing xblock.core.SharedBlockBase.
    • New attributes on xblock.core.XBlockAside, each behaving the same as their XBlock counterpart:
      • usage_key
      • context_key
      • index_dictionary
    • Various new attributes on xblock.core.XBlockMixin, encompassing the functionality of these former classes:
      • xblock.mixins.IndexInfoMixin
      • xblock.mixins.XmlSerializationMixin
      • xblock.mixins.HandlersMixin
  • Docs
    • Various docstrings have been improved, some of which are published in the docs.
    • XBlockAside will now be represented in the API docs, right below XBlock on the "XBlock API" page.
    • XBlockMixin has been removed from the docs. It was only ever documented under the "Fields API" page (which didn't make any sense), and it was barely even documented there. We considered adding it back to the "XBlock API" page, but as noted in the class's new docstring, we do not want to encourage any new use of XBlockMixin.

2.0.0 - 2024-02-26

  • Removed deprecations
  • xblock.fragment (removed completely)
  • xblock.runtime.Runtime._aside_from_xml (just the id_generator argument)
  • xblock.runtime.Runtime._usage_id_from_node (just the id_generator argument)
  • xblock.runtime.Runtime.add_node_as_child (just the id_generator argument)
  • xblock.runtime.Runtime.parse_xml_string (just the id_generator argument)
  • xblock.runtime.Runtime.parse_xml_file (just the id_generator argument)

1.10.0 - 2024-01-12

  • Add two new properties to XBlock objects: .usage_key and .context_key. These simply expose the values of .scope_ids.usage_id and .scope_ids.usage_id.context_key, providing a convenient replacement to the deprecated, edx-platform-specific block properties .location and .course_id, respectively.

1.9.1 - 2023-12-22

  • Fix: add get_javascript_i18n_catalog_url missing xblock parameter to match the Open edX LMS XBlockI18nService.

1.9.0 - 2023-11-20

  • Support for OEP-58 JavaScript translations:
    • Introduced abstract JavaScript translations support by adding the i18n_js_namespace property and get_i18n_js_namespace method to the SharedBlockBase. This allows XBlocks to define a JavaScript namespace so the XBlock i18n runtime service can manage and load JavaScript translations for XBlocks.
    • Added the stub get_javascript_i18n_catalog_url method to the NullI18nService class to be implemented by runtime services.
    • See the edx-platform atlas translations proposal

1.8.1 - 2023-10-07

  • Python Requirements Update
  • Update setup.py, adds required packages

1.8.0 - 2023-09-25

1.7.0 - 2023-08-03

1.6.1 - 2022-01-28

  • Fix Release Issue with PyPi release workflow

1.6.0 - 2022-01-25

  • Dropped Django22, 30 and 31 support
  • Added Django40 Support in CI

1.5.1 - 2021-08-26

  • Deprecated the Runtime.user_id property in favor of the user service.

1.5.0 - 2021-07-27

  • Added Django 3.0, 3.1 & 3.2 support

1.4.2 - 2021-05-24

  • Upgraded all Python dependencies.

1.4.1 - 2021-03-20

  • Added XBlockParseException exception.

1.3.1 - 2020-05-06

  • Fixed import error of mock.

1.3.0 - 2020-05-04

  • Drop support to python 2.7 and add support to python 3.8. typing package failing on py3.8 so add constraint.

1.2.8 - 2019-10-24

  • Ensure the version file is closed after reading its content.

1.2.7 - 2019-10-15

  • Changed how illegal XML characters are sanitized, to speed the operation. The old way was removing more characters than are required by the XML specification.

1.2.6 - 2019-09-24

  • Add support for relative dates to DateTime fields.

1.2.5 - 2019-09-19

  • Changes for Python 2/3 compatibility.

1.2.4 - 2019-08-27

  • Added an API for notifying the Runtime when an XBlock's save() method is called.
  • Added a mechanism for Runtime subclasses to more easily add extra CSS classes to the <div> that wraps rendered XBlocks

1.2.3 - 2019-07-24

Allow Mixologist class to consume both class objects and string paths to classes as a part of initialization.

1.2.1 - 2018-09-05

Add a method to get completion mode for a block.

1.2.1 - 2018-06-25

Suppress a spurious warning when using lazily-translated text as the default value of a String field.

1.2.0 - Aside filtering

  • Add capability for XBlockAsides to apply only to XBlocks that match certain conditions

1.0 - Python 3

  • Introduce Python 3 compatibility to the xblock code base. This does not enable Python 2 codebases (like edx-platform) to load xblocks written in Python 3, but it lays the groundwork for future migrations.

0.5 - ???

No notes provided.

0.4

  • Separate Fragment class out into new web-fragments package
  • Make Scope enums (UserScope.* and BlockScope.*) into Sentinels, rather than just ints, so that they can have more meaningful string representations.
  • Rename export_xml to add_xml_to_node, to more accurately capture the semantics.
  • Allowed Runtime implementations to customize loading from block_types to XBlock classes.

0.3 - 2014-01-09

  • Added services available through Runtime.service, once XBlocks have announced their desires with @XBlock.needs and @XBlock.wants.
  • The "i18n" service provides a gettext.Translations object for retrieving localized strings.
  • Make context an optional parameter for all views.
  • Add shortcut method to make rendering an XBlock's view with its own runtime easier.
  • Change the user field of scopes to be three valued, rather than two. False becomes UserScope.NONE, True becomes UserScope.ONE, and UserScope.ALL is new, and represents data that is computed based on input from many users.
  • Rename ModelData to FieldData.
  • Rename ModelType to Field.
  • Split xblock.core into a number of smaller modules:
    • xblock.core: Defines XBlock.
    • xblock.fields: Defines ModelType and subclasses, ModelData, and metaclasses for classes with fields.
    • xblock.namespaces: Code for XBlock Namespaces only.
    • xblock.exceptions: exceptions used by all parts of the XBlock project.
  • Changed the interface for Runtime and ModelData so that they function as single objects that manage large numbers of XBlocks. Any method that operates on a block now takes that block as the first argument. Blocks, in turn, are responsible for storing the key values used by their field scopes.
  • Changed the interface for model_data objects passed to XBlocks from dict-like to the being cache-like (as was already used by KeyValueStore). This removes the need to support methods like iteration and length, which makes it easier to write new ModelDatas. Also added an actual ModelData base class to serve as the expected interface.