Showing content from http://svn.python.org/projects/python/branches/r23c1-branch/Tools/scripts/ptags.py below:
#! /usr/bin/env python # ptags # # Create a tags file for Python programs, usable with vi. # Tagged are: # - functions (even inside other defs or classes) # - classes # - filenames # Warns about files it cannot open. # No warnings about duplicate tags. import sys, re, os tags = [] # Modified global variable! def main(): args = sys.argv[1:] for filename in args: treat_file(filename) if tags: fp = open('tags', 'w') tags.sort() for s in tags: fp.write(s) expr = '^[ \t]*(def|class)[ \t]+([a-zA-Z0-9_]+)[ \t]*[:\(]' matcher = re.compile(expr) def treat_file(filename): try: fp = open(filename, 'r') except: sys.stderr.write('Cannot open %s\n' % filename) return base = os.path.basename(filename) if base[-3:] == '.py': base = base[:-3] s = base + '\t' + filename + '\t' + '1\n' tags.append(s) while 1: line = fp.readline() if not line: break m = matcher.match(line) if m: content = m.group(0) name = m.group(2) s = name + '\t' + filename + '\t/^' + content + '/\n' tags.append(s) main()
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