Package gavo :: Package base :: Module metavalidation :: Class MetaAssertion

Class MetaAssertion

object --+
         |
        MetaAssertion

Known Subclasses:

An assertion about the meta content of an object.

You must override the check method.

Instance Methods

__init__(self, key)
x.__init__(...) initializes x; see help(type(x)) for signature

source code

check(self, metaCarrier)
returns None if the assertion is true, a user-displayable string of what failed otherwise.

source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties
Inherited from `object`: `__class__`

Method Details

init(self, key)
(Constructor)

source code

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__: (inherited documentation)

check(self, metaCarrier)

source code

returns None if the assertion is true, a user-displayable string of what failed otherwise.

This must be overridden in derived classes.

Parameters:

metaCarrier - an object mixing in MetaMixin.

Class MetaAssertion

__init__(self, key) (Constructor)

check(self, metaCarrier)

init(self, key)
(Constructor)