edx-platform XBlock extraction

xmodule.poll_block:PollBlock

xmodule.word_cloud_block:WordCloudBlock

xmodule.annotatable_block:AnnotatableBlock

xmodule.html_block:HtmlBlock, and variants:

• xmodule.html_block:AboutBlock

• xmodule.html_block:CourseInfoBlock

• xmodule.html_block:StaticTabBlock

xmodule.capa_block:ProblemBlock

xmodule.video_block.video_block.VideoBlock

Real component blocks. Extract. Listed in increasing order of expected difficulty.

xmodule.lti_block:LTIBlock

xmodule.discussion_block:DiscussionXBlock

Blocks that have replacements. Deprecate and remove?

xmodule.template_block:CustomTagBlock

xmodule.template_block:CustomTagTemplateBlock

xmodule.template_block:TranslateCustomTagBlock

Template blocks. I don’t fully understand these, but Dave says they are very extractable. Need to follow up on this.

xmodule.hidden_block:HiddenBlock

xmodule.error_block:ErrorBlock

xmodule.wrapper_block:WrapperBlock

Special case blocks. These should stay put in edx-platform.

xmodule.library_root_xblock:LibraryRoot

xmodule.course_block:CourseBlock

xmodule.seq_block:SectionBlock

xmodule.seq_block:SequenceBlock

xmodule.unit_block:UnitBlock

xmodule.vertical_block:VerticalBlock

Structural blocks. Leave them alone for now. Long term, these will be replaced with Learning Core.

xmodule.split_test_block:SplitTestBlock

xmodule.conditional_block:ConditionalBlock

xmodule.library_content_block:LibraryContentBlock

xmodule.randomize_block:RandomizeBlock

Dynamic blocks. Leave them alone for now. Long term, these will be replaced with Learning Core.