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#! /ufs/guido/bin/sgi/python
# ptags
# Create a tags file for Python programs
# 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 posix
import path
import string
keywords = ['def', 'class'] # If you add keywords, update starts!!!
starts = 'dc' # Starting characters of keywords
whitespace = string.whitespace
identchars = string.letters + string.digits + '_'
tags = [] # Modified!
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)
def treat_file(file):
try:
fp = open(file, 'r')
except:
print 'Cannot open', file
return
base = 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
maketag(line, file)
def maketag(line, file):
i = 0
while line[i:i+1] in whitespace: i = i+1
if line[i:i+1] not in starts: return
n = len(line)
j = i
while i < n and line[i] not in whitespace: i = i+1
if line[j:i] not in keywords: return
while i < n and line[i] in whitespace: i = i+1
j = i
while i < n and line[i] in identchars: i = i+1
name = line[j:i]
while i < n and line[i] in whitespace: i = i+1
if i < n and line[i] = '(': i = i+1
s = name + '\t' + file + '\t' + '/^' + line[:i] + '/\n'
tags.append(s)
main()
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