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Better living through Python with decorators

Project description


Michele Simionato



Python 2.4+

Download page:


easy_install decorator


BSD license


If you are lazy, just perform

$ easy_install decorator

which will install just the module on your system. Notice that Python 3 requires the easy_install version of the distribute project.

If you prefer to install the full distribution from source, including the documentation, download the tarball, unpack it and run

$ python install

in the main directory, possibly as superuser.


For Python 2.5, 2.6, 2.7 run

$ python

for Python 3.X run

$ python

You will see a few innocuous errors with Python 2.5, because some inner details such as the introduction of the ArgSpec namedtuple and Thread.__repr__ changed. You may safely ignore them.

You cannot run the tests in Python 2.4, since there is a test using the with statement, but the decorator module is expected to work anyway (it has been used in production with Python 2.4 for years). My plan is to keep supporting all Python versions >= 2.4 in the core module, but I will keep the documentation and the tests updated only for the latest Python versions in both the 2.X and 3.X branches.

Finally, notice that you may run into trouble if in your system there is an older version of the decorator module; in such a case remove the old version.


There are various versions of the documentation:

There is also a translation of the documentation in Serbo-Croatian language (thanks to Anja Skrba, see


The project is hosted on GoogleCode as a Mercurial repository. You can look at the source here:

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decorator-3.4.0.tar.gz (30.3 kB view hashes)

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