64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
# scopes.storage.folder
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from zope.interface import implementer
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from scopes.interfaces import IContainer
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from scopes.storage.common import registerContainerClass
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from scopes.storage.tracking import Container, Track
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@implementer(IContainer)
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class Folder(Track):
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headFields = ['parent', 'name', 'ref']
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prefix = 'fldr'
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def values(self):
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return self.container.query(parent=self.rid)
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def items(self):
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return ((v.name, v) for v in self.values())
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def keys(self):
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return (v.name for v in self.values())
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def get(self, key, default=None):
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value = self.container.queryLast(parent=self.rid, name=key)
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if value is None:
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return default
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return value
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def __getitem__(self, key):
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value = self.container.queryLast(parent=self.rid, name=key)
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if value is None:
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raise KeyError(key)
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return value
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def __setitem__(self, key, value):
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value.set('parent', self.rid)
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value.set('name', key)
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self.container.save(value)
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def __str__(self):
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return '%s: %s; keys: %s' % (self.__class__.__name__,
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self.name, list(self.keys()))
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class Root(Folder):
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"""A dummy (virtual) root folder for creating real folders
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using the Folder API."""
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def __init__(self, storage):
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cont = storage.create(Folders)
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super(Root, self).__init__(container=cont)
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uid = ''
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@registerContainerClass
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class Folders(Container):
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itemFactory = Folder
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indexes = [('parent', 'name'), ('ref',)]
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tableName = 'folders'
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insertOnChange = False
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