| #! /usr/bin/env python |
| |
| # eptags |
| # |
| # Create a TAGS file for Python programs, usable with GNU Emacs (version 18). |
| # Tagged are: |
| # - functions (even inside other defs or classes) |
| # - classes |
| # Warns about files it cannot open. |
| # No warnings about duplicate tags. |
| |
| import sys |
| import regex |
| |
| def main(): |
| outfp = open('TAGS', 'w') |
| args = sys.argv[1:] |
| for file in args: |
| treat_file(file, outfp) |
| |
| expr = '^[ \t]*\(def\|class\)[ \t]+\([a-zA-Z0-9_]+\)[ \t]*[:(]' |
| matcher = regex.compile(expr) |
| |
| def treat_file(file, outfp): |
| try: |
| fp = open(file, 'r') |
| except: |
| print 'Cannot open', file |
| return |
| charno = 0 |
| lineno = 0 |
| tags = [] |
| size = 0 |
| while 1: |
| line = fp.readline() |
| if not line: break |
| lineno = lineno + 1 |
| if matcher.search(line) >= 0: |
| (a, b), (a1, b1), (a2, b2) = matcher.regs[:3] |
| name = line[a2:b2] |
| pat = line[a:b] |
| tag = pat + '\177' + `lineno` + ',' + `charno` + '\n' |
| tags.append(name, tag) |
| size = size + len(tag) |
| charno = charno + len(line) |
| outfp.write('\f\n' + file + ',' + `size` + '\n') |
| for name, tag in tags: |
| outfp.write(tag) |
| |
| main() |