build CSS 4 IE

CSS prepare 4 IE

# -*- coding: utf-8 -*-
import sys, re, time
#based on http://stackoverflow.com/questions/222581/python-script-for-minifying-css
#css = open( sys.argv[1] , 'r' ).read()
myfile = "style.css"
css = open( "style.css" , 'r' ).read()
css = re.sub( r'\s+', ' ', css )

print "/* ---------------------------------------------------------------------*/"
print "/* -------------- GENERATED FROM %s AT %s ------------*/" % (myfile, time.strftime( "%d %b %Y %H:%M", time.gmtime()) )
print "/* ----------------------------------------------------------------------*/\n\n"

print """


"""

properties = {}
for rule in re.findall( r'([^{]+){([^}]*)}', css ):
    selectors = [re.sub( r'(?<=[\[\(>+=])\s+|\s+(?=[=~^$*|>+\]\)])', r'', selector.strip() ) for selector in rule[0].split( ',' )]
    properties = {}
    porder = []
    for prop in re.findall( '(.*?):(.*?)(;|$)', rule[1] ):
        key = prop[0].strip().lower()
        if key not in porder: porder.append( key )
        properties[ key ] = prop[1].strip()

    out = ["%s{" % rule[0].strip(),]
    if ('opacity' in properties):
        opacity_value= int(float(properties['opacity']) * 100)
        out.append("filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=%s); /* IE7 fix */" % opacity_value)
        out.append("-ms-filter: #progid:DXImageTransform.Microsoft.Alpha(Opacity=%s); /* IE8 fix */" % opacity_value)

    #http://www.communitymx.com/content/article.cfm?page=2&cid=C37E0
    #if ('margin' in properties) or ('margin-left' in properties) or ('margin-right' in properties):
        #if "position" not in properties:
            #out.append("position: relative; /* fix margin in IE */")
            #out.append("zoom: 1; /* triggers hasLayout */")
            #out.append("height: 1%; /* IE/Win Unscrollable Content Bug */")

    if "min-height" in properties:
        out.append("height:auto !important; height: %s; /* fix min-height */" % properties["min-height"])

    if ("display" in properties):
        out.append("zoom: 1; /* triggers hasLayout */")

    if ("background" in properties):
        url = re.match(r'url\((.*\.png)\)', properties["background"])
        norepeat = re.match(r'.*no-repeat', properties["background"])
        if url and norepeat:     
            out.append("filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='%s',sizingMethod='crop');" % url.group(1) )

    if len(out) is not 1:
        out.append("}")
        print "\n\t".join(out)