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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def setcontents(self, source, **kwargs):
 """Create a new file from a string or file-like object."""

        if isinstance(source, six.string_types):
            _file = opener.open(source, 'rb')
        else:
            _file = source

        # signals.document_before_content_set.send(self)

        data = _file.read()
        _fs, filename = opener.parse(self.uri)
        _fs.setcontents(filename, data, **kwargs)
        _fs.close()

        # signals.document_after_content_set.send(self)

        if isinstance(source, six.string_types) and hasattr(_file, 'close'):
            _file.close()