117 lines
3.2 KiB
Python
Executable File
117 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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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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class bc:
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K="\033[1;30m"
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R="\033[1;31m"
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G="\033[1;32m"
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B="\033[1;34m"
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Y="\033[1;33m"
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M="\033[1;35m"
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C="\033[1;36m"
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W="\033[1;37m"
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k="\033[0;30m"
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r="\033[0;31m"
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g="\033[0;32m"
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b="\033[0;34m"
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y="\033[0;33m"
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m="\033[0;35m"
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c="\033[0;36m"
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w="\033[0;37m"
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S = '\033[1m'
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U = '\033[4m'
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Z = '\033[0m'
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CLR = '\033[2J'
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CLREND = '\033[K'
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color_keys="KRGBYMCWkrgbymcwSUZ"
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color_list=[K,R,G,B,Y,M,C,W,k,r,g,b,y,m,c,w,S,U,Z]
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def pos(self,y,x):
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return "\033["+str(y)+";"+str(x)+"H"
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def posprint(self, y,x,s):
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sys.stdout.write( self.pos(y,x) + str(s) )
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def clear(self):
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sys.stdout.write( self.CLR+self.pos(0,0) )
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def clear_to_end(self):
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sys.stdout.write( self.CLREND )
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def color_string(self,s):
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for i,c in enumerate(self.color_keys):
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s=s.replace("${"+c+"}",self.color_list[i])
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return s
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def nocolor_string(self,s):
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for i,c in enumerate(self.color_keys):
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s=s.replace("${"+c+"}","")
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return s
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def setup_options():
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''' Create command line options '''
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usage='''
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Color notation renderer in ANSI codes
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Special syntaxes:
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* Colors: insert string ${C}, where C is one of KRGBYMCWkrgbymcwSUZ
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'''
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parser=ArgumentParser(description=usage,
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog=__author__)
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parser.add_argument("-v","--version",action="version",version=__version__)
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parser.add_argument("--no-color","-n",action="store_false",dest="color",default=True,
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help="Disable color.")
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parser.add_argument("-z",action="store_true",dest="zero",default=False,
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help="Reset coloring at the end of each line.")
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parser.add_argument("filename",type=str,
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help="File to show")
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opts=parser.parse_args()
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return opts
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bc=bc()
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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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row=row.decode('utf-8').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.encode('utf-8'))
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if opts.zero:
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sys.stdout.write(bc.Z)
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sys.stdout.write("\n")
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