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16712ad8d9
* 15049 add missing gettext to error strings * 15049 add missing gettext to error strings * 15094 review change * 15094 review change * Formatting cleanup --------- Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
import collections
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from django.utils.translation import gettext as _
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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(_("Invalid store: {key}").format(key=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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