comparison mercurial/util.py @ 7106:4674706b5b95

python2.6: use subprocess if available

7105:31837416ef4d

            _sha1 = hashlib.sha1
        except ImportError:
            import sha
            _sha1 = sha.sha
    return _sha1(s)

try:
    _encoding = os.environ.get("HGENCODING")
    if sys.platform == 'darwin' and not _encoding:
        # On darwin, getpreferredencoding ignores the locale environment and

    return f

def pipefilter(s, cmd):
    '''filter string S through command CMD, returning its output'''
    (pin, pout) = os.popen2(cmd, 'b')
    def writer():
        try:
            pin.write(s)
            pin.close()
        except IOError, inst:

7106:4674706b5b95

            _sha1 = hashlib.sha1
        except ImportError:
            import sha
            _sha1 = sha.sha
    return _sha1(s)

try:
    import subprocess
    def popen2(cmd, mode='t', bufsize=-1):
        p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, close_fds=True,
                             stdin=subprocess.PIPE, stdout=subprocess.PIPE)
        return p.stdin, p.stdout
    def popen3(cmd, mode='t', bufsize=-1):
        p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, close_fds=True,
                             stdin=subprocess.PIPE, stdout=subprocess.PIPE,
                             stderr=subprocess.PIPE)
        return p.stdin, p.stdout, p.stderr
    def Popen3(cmd, capturestderr=False, bufsize=-1):
        stderr = capturestderr and subprocess.PIPE or None
        p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, close_fds=True,
                             stdin=subprocess.PIPE, stdout=subprocess.PIPE,
                             stderr=stderr)
        p.fromchild = p.stdout
        p.tochild = p.stdin
        p.childerr = p.stderr
        return p
except ImportError:
    subprocess = None
    import popen2 as _popen2
    popen2 = _popen2.popen2
    Popen3 = _popen2.Popen3


try:
    _encoding = os.environ.get("HGENCODING")
    if sys.platform == 'darwin' and not _encoding:
        # On darwin, getpreferredencoding ignores the locale environment and

    return f

def pipefilter(s, cmd):
    '''filter string S through command CMD, returning its output'''
    (pin, pout) = popen2(cmd, 'b')
    def writer():
        try:
            pin.write(s)
            pin.close()
        except IOError, inst: