Implementation specific executers

[BrianPugh]

Features

• Allows for implementation-specific decorators by specifyingimplementation="implementation name" in executer decorators. Example:

    class MyDevice(Device, skip=True):
      @Device.task(implementation="micropython")
      def test_task():
          return "micropython_task_return_value"
  
      @Device.task(implementation="circuitpython")
      def test_task():  # noqa: F811
          return "circuitpython_task_return_value"

• Add support for executers defined in mixin classes. If the mixin provided methods are to be overloaded, the mixin class must use the DeviceMeta metaclass.

Misc

• Broke up the large device.py module into several modules.

[codecov-commenter]

Codecov Report

Merging #125 (2ca25e4) into main (69860c1) will increase coverage by 0.09%. The diff coverage is 76.59%.

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@@            Coverage Diff             @@
##             main     #125      +/-   ##
==========================================
+ Coverage   73.55%   73.65%   +0.09%     
==========================================
  Files          37       38       +1     
  Lines        1471     1541      +70     
  Branches      243      258      +15     
==========================================
+ Hits         1082     1135      +53     
- Misses        319      332      +13     
- Partials       70       74       +4     

Flag	Coverage Δ
unittests	73.58% <76.59%> (+0.10%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
belay/cli/select.py	0.00% <0.00%> (ø)
belay/device_support.py	100.00% <ø> (ø)
belay/device_meta.py	81.13% <80.39%> (-18.87%)	:arrow_down:
belay/device.py	72.23% <90.32%> (+1.37%)	:arrow_up:
belay/__init__.py	100.00% <100.00%> (ø)
belay/exceptions.py	100.00% <100.00%> (ø)

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