lsst.pex.config.config.ConfigMeta Class Reference

Inheritance diagram for lsst.pex.config.config.ConfigMeta:

Public Member Functions
def	__init__
def	__setattr__

Private Attributes
	_fields
	_source

Detailed Description

A metaclass for Config

Adds a dictionary containing all Field class attributes
as a class attribute called '_fields', and adds the name of each field as 
an instance variable of the field itself (so you don't have to pass the 
name of the field to the field constructor).

Definition at line 76 of file config.py.

Constructor & Destructor Documentation

def lsst.pex.config.config.ConfigMeta.__init__	(		self,
			name,
			bases,
			dict_
	)

Definition at line 84 of file config.py.

    def __init__(self, name, bases, dict_):
        type.__init__(self, name, bases, dict_)
        self._fields = {}
        self._source = traceback.extract_stack(limit=2)[0]
        def getFields(classtype):
            fields = {}
            bases=list(classtype.__bases__)
            bases.reverse()
            for b in bases:
                fields.update(getFields(b))

            for k, v in classtype.__dict__.iteritems():
                if isinstance(v, Field):
                    fields[k] = v
            return fields

        fields = getFields(self)
        for k, v in fields.iteritems():            
            setattr(self, k, copy.deepcopy(v))