100 lines
2.6 KiB
Python
Executable File
100 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# coding=utf-8
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#
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# Copyright 2016 Ville Rantanen
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""Color by ${X} notation."""
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__author__ = "Ville Rantanen <ville.q.rantanen@gmail.com>"
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__version__ = "0.1"
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import sys, os, argparse, re
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from argparse import ArgumentParser
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sys.path.append(os.path.dirname(os.path.realpath(__file__)))
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import ansicodes as ansi
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def setup_options():
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""" Create command line options """
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usage = (
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"""
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Color notation renderer in ANSI codes
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Special syntaxes:
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* Colors: insert string ${X}, where X values in the table below.
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"""
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+ ansi.demo()
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)
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parser = ArgumentParser(
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description=usage,
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog=__author__,
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)
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parser.add_argument("-v", "--version", action="version", version=__version__)
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parser.add_argument(
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"--no-color",
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"-n",
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action="store_false",
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dest="color",
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default=True,
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help="Disable color.",
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)
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parser.add_argument(
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"-z",
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action="store_true",
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dest="zero",
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default=False,
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help="Reset coloring at the end of each line.",
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)
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parser.add_argument(
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"-Z",
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action="store_false",
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dest="zero_final",
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default=True,
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help="Disable reset of colors at the end of file.",
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)
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parser.add_argument("filename", type=str, help="File to show, - for stdin")
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opts = parser.parse_args()
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return opts
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bc = ansi.code()
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opts = setup_options()
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if opts.filename == "-":
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f = sys.stdin
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else:
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f = open(opts.filename, "r")
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for row in f:
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if not row:
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continue
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if type(row) == bytes:
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row = row.decode("utf-8")
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row = row.rstrip("\n\r ")
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if opts.color:
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colored = bc.color_string(row)
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else:
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colored = bc.nocolor_string(row)
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sys.stdout.write(colored)
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if opts.zero and opts.color:
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sys.stdout.write(bc.Z)
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sys.stdout.write("\n")
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if opts.zero_final and opts.color:
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sys.stdout.write(bc.Z)
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