Spell checker

[lordmauve]

Originally reported by: Daniel Pope (Bitbucket: lordmauve, GitHub: lordmauve)

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In #4, Dave was confused because his misnamed function was not being picked up by the Pygame Zero runtime.

To mitigate this danger, we could include a spell checker that identifies names in the module namespace, which look like misspellings of the names we expect. The spellchecker would emit warnings at startup time, but would not otherwise affect the program's behaviour.

The names we could spellcheck are a relatively small list, including:

• draw update and the on_mouse_*, on_key_* hooks
• Parameters names for those functions
• TITLE, WIDTH, HEIGHT and ICON

There is a fairly succinct example code for a spellchecker here, which should be adapted to also catch:

• Case problems
• Missing underscores

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• Bitbucket: https://bitbucket.org/lordmauve/pgzero/issue/5

[lordmauve]

Original comment by Daniel Pope (Bitbucket: lordmauve, GitHub: lordmauve):

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Resolved by d184894 and a5992e8 targetted for 1.1