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WSGI middleware for javascript compression.

Project Description

See ‘src/zif/jsmin/README.txt’ for more information.

Releases

0.1 (2007/04/13)

Initial release.

Detailed Documentation

zif.jsmin

This is a wsgi middleware application intended for use with paste.deploy, zope.paste, and zope3.

It serves as a wsgi filter to “minimize” javascript for a zope3 application.

This can be slow. You probably do not want to run this in production unless you have (small) dynamically-generated scripts and css. But it can be useful for generating minimized javascript or css for resources. Those larger files can then be excluded from on-the-fly minimization.

Dependencies

For zope3, jsmin requires Sidnei da Silva’s zope.paste.

zope.paste is available at http://svn.zope.org/zope.paste/trunk/

cd [path.to.zope3.src.directory]/zope
svn co http://svn.zope.org/zope.paste/trunk/ paste

Instructions for zope.paste are at http://awkly.org/

zope.paste requires paste.deploy. paste.deploy can be obtained from the cheese shop. Presuming you have setuptools installed,

sudo easy_install.py PasteDeploy

This (zif.jsmin) package can be unzipped and installed anywhere on the Python path.

Setup

Follow Sidnei’s instructions for setting up zope.paste. It involves putting the usual zope.paste-configure.zcml file in [zope3 instance]/etc/site-packages. There is also a parameter to change in [zope3 instance]/etc/zope.conf. The new twist is a paste.ini file in [zope3 instance]/etc

An example paste.ini file looks like:

[pipeline:Paste.Main]
pipeline = gzipper jsmin main

[app:main]
paste.app_factory = zope.paste.application:zope_publisher_app_factory

[filter:gzipper]
paste.filter_factory=gzipper.gzipper:filter_factory
compress_level=6
nocompress=jp gz zip
tempfile=0

[filter:jsmin]
paste.filter_factory=jsmin.jsmin:filter_factory
compress_level=safe
compress_types=js css
exclude=MochiKit

Configuration

The paste.ini file above shows examples of the configuration options for jsmin.

  • compress_level is the degree of minimization desired. “safe” is often good enough; it mainly removes spaces. “full” will additionally munge variable names in javascript to make a more compact (and even less readable) module. Default is “safe”
  • compress_types determines whether to compress javascript or css or both. For both, use “css js”, which is the default. For just one, specify “css” or “js”
  • exclude is for excluding large files that presumably are already compressed. You may exclude on several matches; just put a space between them. The module looks for consecutive characters in the url, and is case-sensitive. “K” would exclude MochiKit.js or any file with “K” in its name. “big_scripts” would exclude any file in the big_scripts url/folder.

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Release History

Release History

This version
History Node

0.2

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
zif.jsmin-0.2-py2.4.egg (19.6 kB) Copy SHA256 Checksum SHA256 2.4 Egg Apr 14, 2007
zif.jsmin-0.2.tar.gz (10.8 kB) Copy SHA256 Checksum SHA256 Source Apr 14, 2007

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