js.py 文件源码

def load(abspath, default=None, enable_verbose=True):
    """Load Json from file. If file are not exists, returns ``default``.

    :param abspath: file path. use absolute path as much as you can. 
      extension has to be ``.json`` or ``.gz`` (for compressed Json). 
    :type abspath: string

    :param default: default ``dict()``, if ``abspath`` not exists, return the
        default Python object instead.

    :param enable_verbose: default ``True``, help-message-display trigger.
    :type enable_verbose: boolean

    Usage::

        >>> from dataIO import js
        >>> js.load("test.json") # if you have a json file
        Load from 'test.json' ...
            Complete! Elapse 0.000432 sec.
        {'a': 1, 'b': 2}

    **????**

    ?Json???????

    :param abspath: Json??????, ????? ``.json`` ? ``.gz``, ?? ``.gz``
      ??????Json??
    :type abspath: ``???``

    :param default: ?? ``dict()``, ?????????, ??????????

    :param enable_verbose: ?? ``True``, ???????, ????????
    :type enable_verbose: ``???``
    """
    if default is None:
        default = dict()

    prt("\nLoad from '%s' ..." % abspath, enable_verbose)

    abspath = lower_ext(str(abspath))
    is_json = is_json_file(abspath)

    if not os.path.exists(abspath):
        prt("    File not found, use default value: %r" %
            default, enable_verbose)
        return default

    st = time.clock()
    if is_json:
        data = json.loads(textfile.read(abspath, encoding="utf-8"))
    else:
        data = json.loads(compress.read_gzip(abspath).decode("utf-8"))

    prt("    Complete! Elapse %.6f sec." % (time.clock() - st), enable_verbose)
    return data