contrib/tmplrewrite.py

util: introduce util.debugstacktrace for showing a stack trace without crashing

This is often very handy when hacking/debugging.

Calling util.debugstacktrace('hey') from a place in hg will give something like:
  hey at:
   ./hg:38                                     in <module>
   /home/user/hgsrc/mercurial/dispatch.py:28   in run
   /home/user/hgsrc/mercurial/dispatch.py:65   in dispatch
   /home/user/hgsrc/mercurial/dispatch.py:88   in _runcatch
   /home/user/hgsrc/mercurial/dispatch.py:740  in _dispatch
   /home/user/hgsrc/mercurial/dispatch.py:514  in runcommand
   /home/user/hgsrc/mercurial/dispatch.py:830  in _runcommand
   /home/user/hgsrc/mercurial/dispatch.py:801  in checkargs
   /home/user/hgsrc/mercurial/dispatch.py:737  in <lambda>
   /home/user/hgsrc/mercurial/util.py:472      in check
...

#!/usr/bin/python
import sys, os, re

IGNORE = ['.css', '.py']
oldre = re.compile('#([\w\|%]+)#')

def rewrite(fn):
    f = open(fn)
    new = open(fn + '.new', 'wb')
    for ln in f:
        new.write(oldre.sub('{\\1}', ln))
    new.close()
    f.close()
    os.rename(new.name, f.name)

if __name__ == '__main__':
    if len(sys.argv) < 2:
        print 'usage: python tmplrewrite.py [file [file [file]]]'
    for fn in sys.argv[1:]:
        if os.path.splitext(fn) in IGNORE:
            continue
        print 'rewriting %s...' % fn
        rewrite(fn)