mirror of
https://github.com/microtherion/VocalEasel.git
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73 lines
1.4 KiB
Python
73 lines
1.4 KiB
Python
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#!/usr/bin/env python
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# Renumber a mma song file. Just take any lines
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# which start with a number and do those sequenially.
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import sys, os
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def usage():
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print "Mma-renum, (c) Bob van der Poel"
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print "Re-numbers a mma song file and"
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print " cleans up chord tabbing."
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print "Overwrites existing file!"
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print
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sys.exit(1)
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if len(sys.argv[1:]) != 1:
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print "mma-rnum: requires 1 filename argument."
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usage()
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filename = sys.argv[1]
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tempfile = filename + ".temp"
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if filename[0] == '-':
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usage()
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if not os.path.exists(filename):
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error("Can't access the file '%s'" % filename)
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try:
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inpath = open(filename, 'r')
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except:
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usage()
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try:
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outpath = open( tempfile, 'w')
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except:
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error("Can't open scratchfile '%s', error '%s'" % (tempfile, sys.exc_info()[0]) )
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linenum = 1
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for l in inpath:
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l=l.rstrip()
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s = l.split()
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if s:
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try: # only modify lines starting with a number
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x=int(s[0])
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l='%-5s' % linenum
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linenum += 1
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for a in s[1:]:
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l += "%-4s " % a
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except:
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pass
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outpath.write(l + "\n")
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inpath.close()
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outpath.close()
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try:
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os.remove(filename)
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except:
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error("Cannot delete '%s', new file '%s' remains", (filename, tempfile) )
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try:
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os.rename(tempfile, filename)
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except:
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error("Cannot rename '%s' to '%s'." (tempfile, filename) )
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