def _read(self, size, read_method):
        if size is None:
            size = -1
        self._file.seek(self._pos)
        result = read_method(size)
        self._pos = self._file.tell()
        return result
Returns True if the job store supports the URL's scheme.
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/_ProxyFile._read--crossover with--dataset/ETHPy150Open BD2KGenomics/toil/src/toil/jobStores/abstractJobStore.py/AbstractJobStore._supportsUrl