def test_set(self):
"settings.set()"
cssutils.ser.prefs.useMinified()
text = 'a {filter: progid:DXImageTransform.Microsoft.BasicImage( rotation = 90 )}'
self.assertEqual(cssutils.parseString(text).cssText, '')
from cssutils import settings
settings.set('DXImageTransform.Microsoft', True)
self.assertEqual(cssutils.parseString(text).cssText,
'a{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=90)}')
cssutils.ser.prefs.useDefaults()
def filter_file_content(self, file_content, path):
"""URLs are made relative to the target and the CSS is minified."""
if self.rewrite_urls:
src_dir = os.path.dirname(path)
relative_src_dir = relative_path(self.target_file, src_dir)
if relative_src_dir == ".":
relative_parts = []
else:
relative_parts = relative_src_dir.split(os.path.sep)
def fix_relative_url(match):
url = match.group(1)
# Don't modify absolute URLs or 'data:' urls.
if (url.startswith("http") or url.startswith("/")
or url.startswith("data:")):
return match.group(0)
parts = relative_parts + url.split("/")
result = []
for part in parts:
if part == ".." and result and result[-1] != "..":
result.pop(-1)
continue
result.append(part)
return "url(%s)" % "/".join(
filter(None, [self.resource_prefix] + result))
file_content = URL_RE.sub(fix_relative_url, file_content)
if self.minify:
old_serializer = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
try:
cssutils.ser.prefs.useMinified()
stylesheet = ESCAPE_STAR_PROPERTY_RE.sub(
r'\1_ie_star_hack:', file_content)
settings.set('DXImageTransform.Microsoft', True)
parser = cssutils.CSSParser(raiseExceptions=True)
css = parser.parseString(stylesheet)
stylesheet = UNESCAPE_STAR_PROPERTY_RE.sub(
r'*\1:', css.cssText)
return stylesheet + "\n"
finally:
cssutils.setSerializer(old_serializer)
return file_content + "\n"
def filter_file_content(self, file_content, path):
"""URLs are made relative to the target and the CSS is minified."""
if self.rewrite_urls:
src_dir = os.path.dirname(path)
relative_parts = relative_path(self.target_file, src_dir).split(
os.path.sep)
def fix_relative_url(match):
url = match.group(1)
# Don't modify absolute URLs or 'data:' urls.
if (url.startswith("http") or
url.startswith("/") or
url.startswith("data:")):
return match.group(0)
parts = relative_parts + url.split("/")
result = []
for part in parts:
if part == ".." and result and result[-1] != "..":
result.pop(-1)
continue
result.append(part)
return "url(%s)" % "/".join(
filter(None, [self.resource_prefix] + result))
file_content = URL_RE.sub(fix_relative_url, file_content)
if self.minify:
old_serializer = cssutils.ser
cssutils.setSerializer(cssutils.serialize.CSSSerializer())
try:
cssutils.ser.prefs.useMinified()
stylesheet = ESCAPE_STAR_PROPERTY_RE.sub(
r'\1_ie_star_hack:', file_content)
settings.set('DXImageTransform.Microsoft', True)
parser = cssutils.CSSParser(raiseExceptions=True)
css = parser.parseString(stylesheet)
stylesheet = UNESCAPE_STAR_PROPERTY_RE.sub(
r'*\1:', css.cssText)
return stylesheet + "\n"
finally:
cssutils.setSerializer(old_serializer)
return file_content + "\n"
import os
import sys
import logging
import optparse
import re
url_regex = re.compile(r'url\s*\(\s*([\'\"]?)([^\)\'\"]+)(\1)\s*\)')
LIB_HOME = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'lib')
sys.path.insert(0, os.path.join(LIB_HOME, 'google-closure-linter'))
sys.path.insert(0, os.path.join(LIB_HOME, 'cssutils'))
import cssutils
cssutils.log.setLevel(logging.ERROR)
from cssutils import settings
settings.set('DXImageTransform.Microsoft', True)
__author__ = 'leeight <*****@*****.**>'
__date__ = '2012/01/26 11:05:14'
__revision = '$Revision$'
class CssRewriter(object):
def __init__(self, root, assets_manager, ignore_depth = False):
"""
root是服务器的根目录路径，用来处理background:url(/assets/img/a.png)的情况
assets_manager是资源管理器，用开拷贝文件.
ignore_depth忽略资源URI前面的../和./
"""
self._root = root
self._am = assets_manager
self._ignore_depth = ignore_depth
