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#! /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
import regex
import os
tags = [] # Modified global variable!
def main():
args = sys.argv[1:]
for file in args: treat_file(file)
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 = regex.compile(expr)
def treat_file(file):
try:
fp = open(file, 'r')
except:
print 'Cannot open', file
return
base = os.path.basename(file)
if base[-3:] == '.py': base = base[:-3]
s = base + '\t' + file + '\t' + '1\n'
tags.append(s)
while 1:
line = fp.readline()
if not line: break
if matcher.search(line) >= 0:
(a, b), (a1, b1), (a2, b2) = matcher.regs[:3]
name = line[a2:b2]
s = name + '\t' + file + '\t/^' + line[a:b] + '/\n'
tags.append(s)
main()
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