Python get_exchange_bundles_folder 예제들

예제 #1

def get_bcolz_chunk(exchange_name, symbol, data_frequency, period):
    """
    Download and extract a bcolz bundle.

    Parameters
    ----------
    exchange_name: str
    symbol: str
    data_frequency: str
    period: str

    Returns
    -------
    str
        Filename: bitfinex-daily-neo_eth-2017-10.tar.gz

    """
    root = get_exchange_bundles_folder(exchange_name)
    name = '{exchange}-{frequency}-{symbol}-{period}'.format(
        exchange=exchange_name,
        frequency=data_frequency,
        symbol=symbol,
        period=period
    )
    path = os.path.join(root, name)

    if not os.path.isdir(path):
        url = 'https://s3.amazonaws.com/enigmaco/catalyst-bundles/' \
              'exchange-{exchange}/{name}.tar.gz'.format(
                exchange=exchange_name,
                name=name)

        bytes = download_without_progress(url)
        with tarfile.open('r', fileobj=bytes) as tar:
            tar.extractall(path)

    return path

예제 #2

파일: bundle_utils.py 프로젝트: zhoukalex/catalyst

def get_bcolz_chunk(exchange_name, symbol, data_frequency, period):
    """
    Download and extract a bcolz bundle.

    Parameters
    ----------
    exchange_name: str
    symbol: str
    data_frequency: str
    period: str

    Returns
    -------
    str
        Filename: bitfinex-daily-neo_eth-2017-10.tar.gz

    """
    root = get_exchange_bundles_folder(exchange_name)
    name = '{exchange}-{frequency}-{symbol}-{period}'.format(
        exchange=exchange_name,
        frequency=data_frequency,
        symbol=symbol,
        period=period
    )
    path = os.path.join(root, name)

    if not os.path.isdir(path):
        url = 'https://s3.amazonaws.com/enigmaco/catalyst-bundles/' \
              'exchange-{exchange}/{name}.tar.gz'.format(
            exchange=exchange_name,
            name=name)

        bytes = download_without_progress(url)
        with tarfile.open('r', fileobj=bytes) as tar:
            tar.extractall(path)

    return path