mirror of
https://github.com/kennethreitz/dive-into-python3.git
synced 2026-06-05 15:00:18 +00:00
Mark Pilgrim
33 lines
1.3 KiB
Python
Executable File
33 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python2.6
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from pyquery import PyQuery as pq
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import glob
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import sys
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# These selectors are kept regardless of whether this script thinks they are used.
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# Most of these match nodes that are dynamically inserted or manipulated by script
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# after the page has loaded, which is why a static analysis thinks they're unused.
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SELECTOR_EXCEPTIONS = ('.w', '.b', '.str', '.kwd', '.com', '.typ', '.lit', '.pun', '.tag', '.atn', '.atv', '.dec', 'pre .u', 'pre .u span', 'td .u', 'li ol', 'a.hl:link', 'a.hl:visited', 'a.hl:hover', 'h2[id]:hover a.hl', 'h3[id]:hover a.hl')
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filename = sys.argv[1]
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pqd = pq(filename=filename)
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raw_data = open(filename, 'rb').read()
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if raw_data.count('<pre'):
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def keep(s):
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for selector in SELECTOR_EXCEPTIONS:
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if s == selector: return True
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if s.startswith(selector + ' '): return True
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return False
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else:
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def keep(s):
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return False
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original_css = raw_data.split('<style>', 1)[1].split('@media', 1)[0]
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new_css = ''
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for rule in original_css.split('}')[:-1]:
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selectors, properties = rule.split('{', 1)
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selectors = ','.join([s for s in selectors.split(',') if keep(s) or pqd(s.split(':', 1)[0])])
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if selectors:
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new_css += '%s{%s}' % (selectors, properties)
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open(filename, 'wb').write(raw_data.replace(original_css, new_css))
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