#!/usr/bin/python

import contextlib
import glob
import os
import shutil
import subprocess
import sys
import tempfile


@contextlib.contextmanager
def tmpdir():
    t = tempfile.mkdtemp()
    try:
        yield t
    finally:
        shutil.rmtree(t)


def join(*paths):
    p = os.path.join(*paths)
    return os.path.abspath(p)


def tiny_p(cmd):
    # Darn python 2.6 doesn't have check_output (argggg)
    info("Running %s" % (cmd))
    sp = subprocess.Popen(cmd, stdout=subprocess.PIPE,
                    stderr=subprocess.PIPE, stdin=None)
    (out, err) = sp.communicate()
    if sp.returncode not in [0]:
        raise RuntimeError("Failed running %s [rc=%s] (%s, %s)" 
                            % (cmd, sp.returncode, out, err))
    return (out, err)


def info(msg):
    print("INFO: %s" % (msg))


def warn(msg):
    print("WARNING: %s" % (msg))

 

def main():

    with tmpdir() as td:
        info("Using %s as a temporary workspace" % (td))
        (stdout, _stderr) = tiny_p(['bzr', 'revno'])
        revno = stdout.strip()
        
        
        
        cmd = [sys.executable, join(os.pardir, 'tools', 'read-version')]
        (stdout, _stderr) = tiny_p(cmd)
        version = stdout.strip()
        
        

    return 0


if __name__ == '__main__':
    sys.exit(main())