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+
+Execute arbitrary JavaScript code from Python. Allows you to reference
+arbitrary Python objects and functions in the JavaScript VM
+
+Requirements
+============
+
+Python Development Files
+------------------------
+
+Mac OS X:
+
+If you installed Python via port then the headers should already be installed.
+I have not heard reports of problems from people using the bundled
+interpreters.
+
+Debian/Ubuntu:
+
+    $ sudo apt-get install pythonX.X-dev
+
+Where X.X is the version of Python you are using. I have not tested
+python-spidermonkey on Py3K so it may be horribly broken there.
+
+Netscape Portable Runtime (nspr)
+--------------------------------
+
+The nspr library is required for building the Spidermonkey sources. You should
+be able to grab it from your package manager of choice with something like the
+following:
+
+Mac OS X:
+
+    $ sudo port install nspr
+
+Debian/Ubuntu:
+
+    $ sudo apt-get install libnspr4-dev
+
+Alternatively you can build from [source][nspr]. If you choose this route make
+sure that the nspr-config command is on your $PATH when running the install
+commands below.
+
+Installation
+============
+
+    $ git clone git://github.com/davisp/python-spidermonkey.git
+    $ cd python-spidermonkey
+    $ python setup.py build
+    $ python setup.py test
+
+    $ sudo python setup.py install
+
+    *OR*
+    
+    $ sudo python setup.py develop
+
+Having Issues?
+==============
+
+Add issues to the Lighthouse project [here][lh].
+
+
+Examples
+========
+
+Basics
+------
+
+    >>> import spidermonkey
+    >>> rt = spidermonkey.Runtime()
+    >>> cx = rt.new_context()
+    >>> cx.execute("var x = 3; x *= 4; x;")
+    12
+    >>> class Orange(object):
+    ...   def is_ripe(self,arg):
+    ...       return "ripe %s" % arg
+    ...
+    >>> fruit = Orange()
+    >>> cx.add_global("apple", fruit)
+    >>> cx.execute('"Show me the " + apple.is_ripe("raisin");')
+    Show me the ripe raisin
+
+Playing with Classes
+--------------------
+
+    >>> import spidermonkey
+    >>> class Monkey(object):
+    ...     def __init__(self):
+    ...         self.baz = "blammo"
+    ...     def wrench(self, arg):
+    ...         return "%s now wrenched" % arg
+    ...
+    >>> rt = spidermonkey.Runtime()
+    >>> cx = rt.new_context()
+    >>> cx.add_global(Monkey)
+    >>> monkey = cx.execute('var x = new Monkey(); x.baz = "schmammo"; x;')
+    >>> monkey.baz
+    'schmammo'
+    >>> monkey.__class__.__name__
+    'Monkey'
+
+JavaScript Functions
+--------------------
+
+    >>> import spidermonkey
+    >>> rt = spidermonkey.Runtime()
+    >>> cx = rt.new_context()
+    >>> func = cx.execute('function(val) {return "whoosh: " + val;}')
+    >>> func("zipper!");
+    'whoosh: zipper!'
+
+Previous Authors
+================
+
+* John J. Lee
+* Atul Varma
+
+[lh]: http://davisp.lighthouseapp.com/projects/26898-python-spidermonkey/overview
+[nspr]: ftp://ftp.mozilla.org/pub/mozilla.org/nspr/releases