from PLC.Faults import *
from PLC.Parameter import Parameter
-from PLC.Table import Row, Table
+from PLC.Storage.AlchemyObject import AlchemyObj
-class KeyType(Row):
+class KeyType(AlchemyObj):
"""
Representation of a row in the key_types table. To use,
instantiate with a dict of values.
"""
- table_name = 'key_types'
- primary_key = 'key_type'
- join_tables = ['keys']
+ tablename = 'key_types'
fields = {
- 'key_type': Parameter(str, "Key type", max = 20),
+ 'key_type': Parameter(str, "Key type", max = 20, primary_key=True),
}
def validate_key_type(self, name):
raise PLCInvalidArgument, "Key type must be specified"
# Make sure key type does not alredy exist
- conflicts = KeyTypes(self.api, [name])
+ conflicts = KeyType().select(filter={'key_type': name})
if conflicts:
raise PLCInvalidArgument, "Key type name already in use"
return name
-class KeyTypes(Table):
+ def sync(self, commit = True, validate=True):
+ AlchemyObj.sync(self, commit=commit, validate=validate)
+ AlchemyObj.insert(self, dict(self))
+
+ def delete(self, commit=True):
+ """
+ Delete existing key type
+ """
+ assert 'key_type' in self
+ AlchemyObj.delete(self, filter={'key_type': self['key_type']})
+
+class KeyTypes(list):
"""
Representation of the key_types table in the database.
"""
def __init__(self, api, key_types = None):
- Table.__init__(self, api, KeyType)
-
- sql = "SELECT %s FROM key_types" % \
- ", ".join(KeyType.fields)
-
- if key_types:
- sql += " WHERE key_type IN (%s)" % ", ".join( [ api.db.quote (t) for t in key_types ] )
-
- self.selectall(sql)
+ if key_types:
+ key_types = KeyType().select(filter={'key_type': key_types})
+ else:
+ key_types = KeyType().select()
+
+ for key_type in key_types:
+ key_type = KeyType(api, object=key_type)
+ self.append(key_type)