Ptags#
Question#
ADDQUESTION
Solution#
#! /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)
if __name__ == '__main__':
main()