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A process-safe python adapter to handle cache expiration.

Project description

|Build Status|


Python utilities and middleware for neuron.js

expirecache analyzes the dependencies from user defined facades according
to the dependency tree, and outputs ``<script>`` tags and configurations
for `neuron.js <>`__

The dependency tree can be generated by
`neuron-package-dependency <>`__


.. code:: sh

$ pip install expirecache


.. code:: py

from expirecache import Neuron

n = Neuron(
dependency_tree=dependency_tree, # must defined

``expirecache`` could be used either in template file or your python

`Here <./sample/sample-jinja.html>`__ is a sample Jinja2 template file.

- **dependency\_tree** ``dict`` the ``json.loads()``\ ed dependency
- **resolve** ``function(id)=`` (optional) implements your own custom
resolver. ``resolve`` accepts one parameter ``id`` which can be
either a ``str`` of module id or a ``list`` of module ids. If a
``str`` is passed in, the method should returns the resolved absolute
url of the module id. If ``id`` is a ``list``, an url of comboed
script files should be returned.
- **debug** ``function|bool=False`` tells expirecache whether should
switch on debug mode. When on debug mode, no javascript files of
dependencies will be preloaded, and the output will not be
- if ``debug`` is callable, expirecache will use the return value of
method ``debug``
- if ``debug`` is a boolean value, and ``debug`` is true, the debug
mode will be on.
- **cache** ``dict=None`` if ``cache`` is defined, it should contains 3
- ``cache.has(key)`` returns ``bool``
- ``cache.get(key)`` looks up and returns the cached value by key
- ``cache.set(key, value)`` sets the value by key
- **version** ``str`` only works if ``cache`` is defined. expirecache will
uses ``version`` to generate the key to cache the output result

module id

.. code:: js

<name>@<version><path> # for example: 'jquery@2.0.0/jquery.js'

n.facade(entry, data=None)

- **entry** ``str`` id of the entry module

Registers a facade entry with ``data``. expirecache will

Returns ``''``\ (empty string), so you can use this method in python


Returns ``''``


Returns ``''``


Returns ``str``


Returns ``str``



.. |Build Status| image::

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