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add implementation notes

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Jan Petykiewicz 2020-11-09 21:55:46 -08:00
parent 6402c6242e
commit 3653a33534
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masque/__init__.py
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@ -15,6 +15,17 @@
Note that the methods for these classes try to avoid copying wherever possible, so unless Note that the methods for these classes try to avoid copying wherever possible, so unless
otherwise noted, assume that arguments are stored by-reference. otherwise noted, assume that arguments are stored by-reference.
NOTES ON INTERNALS
==========================
- Many of `masque`'s classes make use of `__slots__` to make them faster / smaller.
Since `__slots__` doesn't play well with multiple inheritance, the `masque.utils.AutoSlots`
metaclass is used to auto-generate slots based on superclass type annotations.
- File I/O submodules are imported by `masque.file` to avoid creating hard dependencies on
external file-format reader/writers
- Pattern locking/unlocking is quite slow for large hierarchies.
""" """
from .error import PatternError, PatternLockedError from .error import PatternError, PatternLockedError