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Direktori : /lib64/python2.7/Tools/scripts/ |
Current File : //lib64/python2.7/Tools/scripts/eptags.py |
#! /usr/bin/python2.7 """Create a TAGS file for Python programs, usable with GNU Emacs. usage: eptags pyfiles... The output TAGS file is usable with Emacs version 18, 19, 20. Tagged are: - functions (even inside other defs or classes) - classes eptags warns about files it cannot open. eptags will not give warnings about duplicate tags. BUGS: Because of tag duplication (methods with the same name in different classes), TAGS files are not very useful for most object-oriented python projects. """ import sys,re expr = r'^[ \t]*(def|class)[ \t]+([a-zA-Z_][a-zA-Z0-9_]*)[ \t]*[:\(]' matcher = re.compile(expr) def treat_file(filename, outfp): """Append tags found in file named 'filename' to the open file 'outfp'""" try: fp = open(filename, 'r') except: sys.stderr.write('Cannot open %s\n'%filename) return charno = 0 lineno = 0 tags = [] size = 0 while 1: line = fp.readline() if not line: break lineno = lineno + 1 m = matcher.search(line) if m: tag = m.group(0) + '\177%d,%d\n' % (lineno, charno) tags.append(tag) size = size + len(tag) charno = charno + len(line) outfp.write('\f\n%s,%d\n' % (filename,size)) for tag in tags: outfp.write(tag) def main(): outfp = open('TAGS', 'w') for filename in sys.argv[1:]: treat_file(filename, outfp) if __name__=="__main__": main()