exchange_utils.py 文件源码

python
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项目:catalyst 作者: enigmampc 项目源码 文件源码
def download_exchange_symbols(exchange_name, environ=None):
    """
    Downloads the exchange's symbols.json from the repository.

    Parameters
    ----------
    exchange_name: str
    environ:

    Returns
    -------
    str

    """
    filename = get_exchange_symbols_filename(exchange_name)
    url = SYMBOLS_URL.format(exchange=exchange_name)
    response = request.urlretrieve(url=url, filename=filename)
    return response
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