mbed.py 文件源码

def __init__(self, path=None, print_warning=False):
        path = os.path.abspath(path or getcwd())
        self.path = path
        self.is_cwd = True

        while cd(path):
            tpath = path
            if os.path.isfile(os.path.join(path, Cfg.file)):
                self.path = path
                self.is_cwd = False
                break

            path = os.path.split(path)[0]
            if tpath == path:       # Reached root.
                break

        self.name = os.path.basename(self.path)
        self.is_classic = os.path.isfile(os.path.join(self.path, 'mbed.bld'))

        # is_cwd flag indicates that current dir is assumed to be root, not root repo
        if self.is_cwd and print_warning:
            warning(
                "Could not find mbed program in current path \"%s\".\n"
                "You can fix this by calling \"mbed new .\" in the root of your program." % self.path)