cykooz.sequence 1.0.2

cykooz.sequence is a fork of gocept.sequence (http://pypi.python.org/pypi/gocept.sequence/) originally created by Daniel Havlik and Sebastian Wehrmann.

cykooz.sequence

Generates a persistent sequence.

Sequences

>>> import persistent
>>> import zope.annotation.interfaces
>>> from zope.interface import implements

We need a testobject, where the SequenceGenerator stores his data:

>>> class Dummy(persistent.Persistent):
... implements(zope.annotation.interfaces.IAttributeAnnotatable)

>>> test_object = zope.annotation.interfaces.IAnnotations(Dummy())

You get a SequenceGenerator by adapting to ISequenceGenerator:

>>> from cykooz.sequence.interfaces import ISequenceGenerator
>>> seq_gen = ISequenceGenerator(test_object)

You get a sequence like this:

>>> seq_gen.getNextValue()
1
>>> seq_gen.getNextValue()
2
>>> seq_gen.getNextValue()
3

You can also set the generator to a value:

>>> seq_gen.setNextValue(1)
>>> seq_gen.getNextValue()
1

>>> seq_gen.setNextValue(5)
>>> seq_gen.getNextValue()
5
>>> seq_gen.getNextValue()
6
>>> seq_gen.getNextValue()
7
>>> seq_gen.getNextValue()
8

But setNextValue only accepts integer arguments:

>>> seq_gen.setNextValue('1')
Traceback (most recent call last):
...
ValueError: setNextValue expected Integer, < type 'str' > found.

>>> seq_gen.setNextValue(3.14)
Traceback (most recent call last):
...
ValueError: setNextValue expected Integer, < type 'float' > found.


Product's homepage

Requirements:

· Python

What's New in This Release: [ read full changelog ]

· Fix tests.