| 1 | n/a | #! /usr/bin/env python3 |
|---|
| 2 | n/a | """Create a TAGS file for Python programs, usable with GNU Emacs. |
|---|
| 3 | n/a | |
|---|
| 4 | n/a | usage: eptags pyfiles... |
|---|
| 5 | n/a | |
|---|
| 6 | n/a | The output TAGS file is usable with Emacs version 18, 19, 20. |
|---|
| 7 | n/a | Tagged are: |
|---|
| 8 | n/a | - functions (even inside other defs or classes) |
|---|
| 9 | n/a | - classes |
|---|
| 10 | n/a | |
|---|
| 11 | n/a | eptags warns about files it cannot open. |
|---|
| 12 | n/a | eptags will not give warnings about duplicate tags. |
|---|
| 13 | n/a | |
|---|
| 14 | n/a | BUGS: |
|---|
| 15 | n/a | Because of tag duplication (methods with the same name in different |
|---|
| 16 | n/a | classes), TAGS files are not very useful for most object-oriented |
|---|
| 17 | n/a | python projects. |
|---|
| 18 | n/a | """ |
|---|
| 19 | n/a | import sys,re |
|---|
| 20 | n/a | |
|---|
| 21 | n/a | expr = r'^[ \t]*(def|class)[ \t]+([a-zA-Z_][a-zA-Z0-9_]*)[ \t]*[:\(]' |
|---|
| 22 | n/a | matcher = re.compile(expr) |
|---|
| 23 | n/a | |
|---|
| 24 | n/a | def treat_file(filename, outfp): |
|---|
| 25 | n/a | """Append tags found in file named 'filename' to the open file 'outfp'""" |
|---|
| 26 | n/a | try: |
|---|
| 27 | n/a | fp = open(filename, 'r') |
|---|
| 28 | n/a | except OSError: |
|---|
| 29 | n/a | sys.stderr.write('Cannot open %s\n'%filename) |
|---|
| 30 | n/a | return |
|---|
| 31 | n/a | charno = 0 |
|---|
| 32 | n/a | lineno = 0 |
|---|
| 33 | n/a | tags = [] |
|---|
| 34 | n/a | size = 0 |
|---|
| 35 | n/a | while 1: |
|---|
| 36 | n/a | line = fp.readline() |
|---|
| 37 | n/a | if not line: |
|---|
| 38 | n/a | break |
|---|
| 39 | n/a | lineno = lineno + 1 |
|---|
| 40 | n/a | m = matcher.search(line) |
|---|
| 41 | n/a | if m: |
|---|
| 42 | n/a | tag = m.group(0) + '\177%d,%d\n' % (lineno, charno) |
|---|
| 43 | n/a | tags.append(tag) |
|---|
| 44 | n/a | size = size + len(tag) |
|---|
| 45 | n/a | charno = charno + len(line) |
|---|
| 46 | n/a | outfp.write('\f\n%s,%d\n' % (filename,size)) |
|---|
| 47 | n/a | for tag in tags: |
|---|
| 48 | n/a | outfp.write(tag) |
|---|
| 49 | n/a | |
|---|
| 50 | n/a | def main(): |
|---|
| 51 | n/a | outfp = open('TAGS', 'w') |
|---|
| 52 | n/a | for filename in sys.argv[1:]: |
|---|
| 53 | n/a | treat_file(filename, outfp) |
|---|
| 54 | n/a | |
|---|
| 55 | n/a | if __name__=="__main__": |
|---|
| 56 | n/a | main() |
|---|