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date Mon, 22 Mar 2021 18:12:50 +0000
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Metadata-Version: 2.1
Name: decorator
Version: 4.4.2
Summary: Decorators for Humans
Author: Michele Simionato
License: new BSD License
Keywords: decorators generic utility
Platform: All
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: BSD License
Classifier: Natural Language :: English
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.2
Classifier: Programming Language :: Python :: 3.3
Classifier: Programming Language :: Python :: 3.4
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Topic :: Software Development :: Libraries
Classifier: Topic :: Utilities
Requires-Python: >=2.6, !=3.0.*, !=3.1.*

Decorators for Humans

The goal of the decorator module is to make it easy to define
signature-preserving function decorators and decorator factories.
It also includes an implementation of multiple dispatch and other niceties
(please check the docs). It is released under a two-clauses
BSD license, i.e. basically you can do whatever you want with it but I am not


If you are lazy, just perform

 ``$ pip install decorator``

which will install just the module on your system.

If you prefer to install the full distribution from source, including
the documentation, clone the `GitHub repo`_ or download the tarball_, unpack it and run

 ``$ pip install .``

in the main directory, possibly as superuser.

.. _tarball:
.. _GitHub repo:


If you have the source code installation you can run the tests with

 `$ python src/tests/ -v`

or (if you have setuptools installed)

 `$ python test`

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. It is safe even to copy the module `` over
an existing one, since we kept backward-compatibility for a long time.


The project is hosted on GitHub. You can look at the source here:


The documentation has been moved to

From there you can get a PDF version by simply using the print
functionality of your browser.

Here is the documentation for previous versions of the module:

For the impatient

Here is an example of how to define a family of decorators tracing slow

.. code-block:: python

   from decorator import decorator

   def warn_slow(func, timelimit=60, *args, **kw):
       t0 = time.time()
       result = func(*args, **kw)
       dt = time.time() - t0
       if dt > timelimit:
           logging.warn('%s took %d seconds', func.__name__, dt)
 '%s took %d seconds', func.__name__, dt)
       return result

   @warn_slow  # warn if it takes more than 1 minute
   def preprocess_input_files(inputdir, tempdir):

   @warn_slow(timelimit=600)  # warn if it takes more than 10 minutes
   def run_calculation(tempdir, outdir):