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#!/usr/bin/env python3
#
# Copyright 2010-2011 Le Coz Florent <louiz@louiz.org>
#
# This file is part of Poezio.
#
# Poezio is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# Poezio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Poezio. If not, see <http://www.gnu.org/licenses/>.
"""
Various methods to convert
shell colors to poezio colors,
xhtml code to shell colors,
poezio colors to xhtml code
"""
import re
import subprocess
shell_colors_re = re.compile(r'(\[(?:\d+;)*(?:\d+m))')
def shell_colors_to_poezio_colors(string):
"""
'shell colors' means something like:
Bonjour ^[[0;32msalut^[[0m
The current understanding of this syntax is:
n = 0: reset all attributes to defaults
n >= 30 and n <= 37: set the foreground to n-30
"""
def repl(matchobj):
exp = matchobj.group(0)[2:-1]
numbers = [int(nb) for nb in exp.split(';')]
res = ''
for num in numbers:
if num == 0:
res += r'\x19o'
elif num >= 30 and num <= 37:
res += r'\x19%s' % (num-30,)
return res
return shell_colors_re.sub(repl, string)
def xhtml_code_to_shell_colors(string):
"""
Use a console browser to parse the xhtml and
make it return a shell-colored string
"""
process = subprocess.Popen(["elinks", "-dump", "-dump-color-mode", "2"], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
result = process.communicate(input=string.encode('utf-8'))[0]
return result.decode('utf-8').strip()
if __name__ == '__main__':
print(xhtml_code_to_shell_colors("""
<html xmlns='http://jabber.org/protocol/xhtml-im'>
<body xmlns='http://www.w3.org/1999/xhtml'>
<p style='font-size:large'>
<em>Wow</em>, I'm <span style='color:green'>green</span>
with <strong>envy</strong>!
</p>
</body>
</html>
"""))
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