pyScaf.py 文件源码

def _check_dependencies(dependencies):
    """Return error if wrong software version"""
    warning = 0
    info = "[WARNING] Old version of %s: %s. Update to version %s+!\n"
    for cmd, version in dependencies.iteritems():
        out = _check_executable(cmd)
        if "not found" in out:
            warning = 1
            sys.stderr.write("[ERROR] %s\n"%out)
        elif version:
            out = commands.getoutput("%s --version"%cmd)
            curver = out.split()[-1]
            if not curver.isdigit():
                warning = 1
                sys.stderr.write("[WARNING] Problem checking %s version: %s\n"%(cmd, out))
            elif int(curver)<version:
                warning = 1
                sys.stderr.write(info%(cmd, curver, version))

    message = "Make sure you have installed all dependencies from https://github.com/lpryszcz/pyScaf#dependencies !"
    if warning:
        sys.stderr.write("\n%s\n\n"%message)
        sys.exit(1)