recipe-496770.py 文件源码

def insert(self,*args,**kw):
        """Insert a record in the database
        Parameters can be positional or keyword arguments. If positional
        they must be in the same order as in the create() method
        If some of the fields are missing the value is set to None
        Returns the record identifier
        """
        if args:
            kw = dict([(f,arg) for f,arg in zip(self.fields,args)])
        # initialize all fields to None
        record = dict([(f,None) for f in self.fields])
        # set keys and values
        for (k,v) in kw.iteritems():
            record[k]=v
        # add the key __id__ : record identifier
        record['__id__'] = self.next_id
        # add the key __version__ : version number
        record['__version__'] = 0
        # create an entry in the dictionary self.records, indexed by __id__
        self.records[self.next_id] = record
        # update index
        for ix in self.indices.keys():
            bisect.insort(self.indices[ix].setdefault(record[ix],[]),
                self.next_id)
        # increment the next __id__ to attribute
        self.next_id += 1
        return record['__id__']