Source code for pacifica.metadata.orm.keys

# -*- coding: utf-8 -*-
"""Contains the model for metadata keys."""
from peewee import CharField
from import CherryPyAPI
from .utils import unicode_type

[docs]class Keys(CherryPyAPI): """ Keys model class for metadata. Attributes: +-------------------+-------------------------------------+ | Name | Description | +===================+=====================================+ | key | generic metadata key | +-------------------+-------------------------------------+ | encoding | encoding for the key | +-------------------+-------------------------------------+ """ key = CharField(default='', index=True) encoding = CharField(default='UTF8')
[docs] def to_hash(self, **flags): """Convert the object to a hash.""" obj = super(Keys, self).to_hash(**flags) obj['_id'] = int( obj['key'] = unicode_type(self.key) obj['encoding'] = str(self.encoding) return obj
[docs] def from_hash(self, obj): """Convert the hash to the object.""" super(Keys, self).from_hash(obj) self._set_only_if( '_id', obj, 'id', lambda: obj['_id'] ) self._set_only_if( 'key', obj, 'key', lambda: unicode_type(obj['key']) ) self._set_only_if( 'encoding', obj, 'encoding', lambda: str(obj['encoding']) )
[docs] @classmethod def where_clause(cls, kwargs): """PeeWee specific where clause used for search.""" where_clause = super(Keys, cls).where_clause(kwargs) return cls._where_attr_clause(where_clause, kwargs, ['key', 'encoding'])