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70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
10 years ago
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# This allows us to launch Python and pygments once, and pipe to it
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# continuously. Input format is:
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#
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# <lexer-name>
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# <code>
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# ...
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# __END__
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#
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# OR
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#
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# __EXIT__
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#
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# Output format is:
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#
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# <html>
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# ...
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# __END__
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import sys
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import optparse
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from pygments import highlight
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from pygments.lexers import get_lexer_by_name
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from pygments.util import ClassNotFound
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from pygments.formatters import HtmlFormatter
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parser = optparse.OptionParser()
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parser.add_option('--linenos', action="store_true", dest="linenos")
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parser.add_option('--cssclass', default="source", dest="cssclass")
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(options, _) = parser.parse_args()
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formatter = HtmlFormatter(linenos=options.linenos,
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cssclass=options.cssclass,
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encoding="utf-8")
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lexer = ""
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code = ""
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py_version = sys.version_info.major
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sys.stdout.write("ready\n")
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sys.stdout.flush
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while 1:
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line_raw = sys.stdin.readline()
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if not line_raw:
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break
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# Without trailing space, \n, or \n
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line = line_raw.rstrip()
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if line == '__EXIT__':
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break
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elif line == '__END__':
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# Lex input finished. Lex it.
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if py_version >= 3:
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sys.stdout.write(highlight(code, lexer, formatter).decode("utf-8"))
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else:
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sys.stdout.write(highlight(code, lexer, formatter))
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sys.stdout.write('\n__END__\n')
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sys.stdout.flush
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lexer = ""
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code = ""
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elif lexer == "":
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# Starting another lex. First line is the lexer name.
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try:
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lexer = get_lexer_by_name(line, encoding="guess")
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except ClassNotFound:
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lexer = get_lexer_by_name("text", encoding="guess")
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else:
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# Accumulate more code
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# Use `line_raw`: Do want trailing space, \n, \r
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code += line_raw
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exit(0)
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