def which()

in dcrpm/util.py [0:0]

• 13 lines of code
• 5 McCabe index (conditional complexity)

def which(cmd):
    # type: (str) -> str
    try:
        import shutil

        path = shutil.which(cmd)
        if not path:
            raise DcRPMException("failed to find '{}'".format(cmd))
        return path
    except AttributeError:
        for path in os.environ["PATH"].split(os.pathsep):
            p = os.path.join(path, cmd)
            if os.access(p, os.X_OK):
                return p

    raise DcRPMException("could not find '{}' in $PATH".format(cmd))