def get_exchange_symbols(exchange_name, environ=None):
"""
The de-serialized content of the exchange's symbols.json.
Parameters
----------
exchange_name: str
environ:
Returns
-------
Object
"""
filename = get_exchange_symbols_filename(exchange_name)
if not os.path.isfile(filename) or \
pd.Timedelta(pd.Timestamp('now',
tz='UTC') - last_modified_time(
filename)).days > 1:
download_exchange_symbols(exchange_name, environ)
if os.path.isfile(filename):
with open(filename) as data_file:
data = json.load(data_file)
return data
else:
raise ExchangeSymbolsNotFound(
exchange=exchange_name,
filename=filename
)
def get_exchange_symbols(exchange_name, is_local=False, environ=None):
"""
The de-serialized content of the exchange's symbols.json.
Parameters
----------
exchange_name: str
is_local: bool
environ:
Returns
-------
Object
"""
filename = get_exchange_symbols_filename(exchange_name, is_local)
if not is_local and (not os.path.isfile(filename) or pd.Timedelta(
pd.Timestamp('now', tz='UTC') - last_modified_time(
filename)).days > 1):
download_exchange_symbols(exchange_name, environ)
if os.path.isfile(filename):
with open(filename) as data_file:
try:
data = json.load(data_file, cls=ExchangeJSONDecoder)
return data
except ValueError:
return dict()
else:
raise ExchangeSymbolsNotFound(
exchange=exchange_name,
filename=filename
)
def get_exchange_symbols(exchange_name, environ=None):
filename = get_exchange_symbols_filename(exchange_name)
if not os.path.isfile(filename) or \
pd.Timedelta(pd.Timestamp('now', tz='UTC') - last_modified_time(filename)).days > 1:
download_exchange_symbols(exchange_name, environ)
if os.path.isfile(filename):
with open(filename) as data_file:
data = json.load(data_file)
return data
else:
raise ExchangeSymbolsNotFound(exchange=exchange_name,
filename=filename)
def get_exchange_symbols(exchange_name, environ=None):
exchange_folder = get_exchange_folder(exchange_name, environ)
filename = os.path.join(exchange_folder, 'symbols.json')
if not os.path.isfile(filename):
download_exchange_symbols(exchange_name, environ)
if os.path.isfile(filename):
with open(filename) as data_file:
data = json.load(data_file)
return data
else:
raise ExchangeSymbolsNotFound(exchange=exchange_name,
filename=filename)