6 examples of 'pickle dump dictionary' in Python

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def pickle_dict(items):
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    '''Returns a new dictionary where values which aren't instances of
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    basestring are pickled. Also, a new key '_pickled' contains a comma
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    separated list of keys corresponding to the pickled values.
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    '''
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    ret = {}
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    pickled_keys = []
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    for key, val in items.items():
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        if isinstance(val, basestring):
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            ret[key] = val
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        else:
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            pickled_keys.append(key)
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            ret[key] = pickle.dumps(val)
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    if pickled_keys:
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        ret['_pickled'] = ','.join(pickled_keys)
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    return ret

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def load_dump(pickle_file):
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  with open(pickle_file, 'rb') as f:
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    data = pickle.load(f, encoding='bytes')
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  return data

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def dump_dict(self, obj):
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    raise NotImplementedError

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def savepickle(dct):
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    """ Save settings dict to the pickle file """
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    with open('h5config.pkl','wb') as f:
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        pickle.dump(dct, f, protocol=0)

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@classmethod
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def dump(cls, obj, file_obj):
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    """Serialize object ``obj`` to open pickle file.
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    .. versionadded:: 1.8
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    :param obj: Python object to serialize
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    :type obj: Python object
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    :param file_obj: file handle
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    :type file_obj: ``file`` object
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    """
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    return pickle.dump(obj, file_obj, protocol=-1)

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def dump(obj, file_name):
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    with open(file_name, "wb") as f:
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        pickle.dump(obj, f)