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e767fec5cc
* Closes #14173: Enable plugins to register columns on core tables * Support translation for column name * Document new registry store
35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
import collections
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class Registry(dict):
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"""
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Central registry for registration of functionality. Once a Registry is initialized, keys cannot be added or
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removed (though the value of each key is mutable).
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"""
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def __getitem__(self, key):
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try:
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return super().__getitem__(key)
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except KeyError:
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raise KeyError(f"Invalid store: {key}")
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def __setitem__(self, key, value):
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raise TypeError("Cannot add stores to registry after initialization")
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def __delitem__(self, key):
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raise TypeError("Cannot delete stores from registry")
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# Initialize the global registry
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registry = Registry({
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'counter_fields': collections.defaultdict(dict),
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'data_backends': dict(),
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'denormalized_fields': collections.defaultdict(list),
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'model_features': dict(),
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'models': collections.defaultdict(set),
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'plugins': dict(),
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'search': dict(),
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'tables': collections.defaultdict(dict),
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'views': collections.defaultdict(dict),
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'widgets': dict(),
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})
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