Python file that works similarly to cat, while performing (guessed) syntax highlighting

syncat.py

#!/usr/bin/env python
from __future__ import print_function

import sys
from pygments import highlight
from pygments.lexers import guess_lexer
from pygments.formatters import Terminal256Formatter as Formatter

# Try to load the Solarized256Style
# https://github.com/johnmastro/solarized256-pygments
try:
    from solarized256 import Solarized256Style as style
except ImportError:
    style = 'default'


def main():
    try:
        if len(sys.argv) == 1:
            text = sys.stdin.read()
        elif len(sys.argv) == 2:
            with open(sys.argv[1], 'rb') as f:
                text = f.read()
        else:
            raise SystemExit(sys.argv[0] + " [infile]")
    except Exception, e:
        raise SystemExit(e)
    try:
        if sys.stdout.isatty():
            print(
                highlight(text, guess_lexer(text), Formatter(style=style)),
                end=''
            )
        else:
            print(text, end='')
    except IOError:
        pass


if __name__ == '__main__':
    main()