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Filename : htmlizer.py
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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

#

"""
HTML pretty-printing for Python source code.
"""

from __future__ import print_function

__version__ = '$Revision: 1.8 $'[11:-2]

from twisted.python import htmlizer, usage
from twisted import copyright

import os, sys

header = '''<html><head>
<title>%(title)s</title>
<meta name=\"Generator\" content="%(generator)s" />
%(alternate)s
%(stylesheet)s
</head>
<body>
'''
footer = """</body>"""

styleLink = '<link rel="stylesheet" href="%s" type="text/css" />'
alternateLink = '<link rel="alternate" href="%(source)s" type="text/x-python" />'

class Options(usage.Options):
    synopsis = """%s [options] source.py
    """ % (
        os.path.basename(sys.argv[0]),)

    optParameters = [
        ('stylesheet', 's', None, "URL of stylesheet to link to."),
        ]

    compData = usage.Completions(
        extraActions=[usage.CompleteFiles('*.py', descr='source python file')]
        )


    def parseArgs(self, filename):
        self['filename'] = filename



def run():
    options = Options()
    try:
        options.parseOptions()
    except usage.UsageError as e:
        print(str(e))
        sys.exit(1)
    filename = options['filename']
    if options.get('stylesheet') is not None:
        stylesheet = styleLink % (options['stylesheet'],)
    else:
        stylesheet = ''

    with open(filename + '.html', 'wb') as output:
        outHeader = (header % {
            'title': filename,
            'generator': 'htmlizer/%s' % (copyright.longversion,),
            'alternate': alternateLink % {'source': filename},
            'stylesheet': stylesheet
            })
        output.write(outHeader.encode("utf-8"))
        with open(filename, 'rb') as f:
            htmlizer.filter(f, output, htmlizer.SmallerHTMLWriter)
        output.write(footer.encode("utf-8"))