def __init__(self,
names,
func,
interval,
write_key="invalid_key",
base_url=None,
verbose=True,
func_args=None,
with_copulas=False,
**kwargs):
""" Create multiple streams by polling every 20 minutes, say
param:
names [ str ] stream name ending in .json
func: function returns data from some live source, ideally [ float ] but you can override determine_next_values method
interval: int minutes between polls
func_args dict optional dict of arguments to be passed to func
with_copulas bool Whether to create derived copula streams, or just individual unrelated streams
"""
super().__init__(base_url=base_url or api_url(),
write_key=write_key,
verbose=verbose,
func=func,
func_args=func_args,
interval=interval,
names=names,
with_copulas=with_copulas,
**kwargs)
self.prev_values = None
self.feed_state = MultiChangePoll.COLD
self.current_values = None
def __init__(self,
name,
func,
interval,
write_key="invalid_key",
base_url=None,
verbose=True,
func_args=None,
mine=False,
**kwargs):
""" Create a stream by polling every 20 minutes, say
param: name str stream name ending in .json
func: function returns float (data feed function)
interval: int minutes between polls
func_args dict optional dict of arguments to be passed to func
mine: bool Supply mine=True if you want to automatically mine MUIDs to help keep the stream alive
"""
assert self.is_valid_name(name), 'name not valid'
super().__init__(base_url=base_url or api_url(),
write_key=write_key,
verbose=verbose)
self.name = name
self.interval = interval
self.func = func
self.func_args = func_args
self.recent = list()
self.mining_time = 0
self.mining_success = 0
self.test_value = self.call_func() # Fail fast
self.mine = mine
print('Created poller. Example value ' + str(self.test_value))
def __init__(self,
names,
func,
interval,
write_key="invalid_key",
base_url=None,
verbose=True,
func_args=None,
with_copulas=False,
**kwargs):
""" Create a stream by polling every 20 minutes, say
param: names [ str ] stream name ending in .json
func: function returns raw data from some live source, ideally [ float ] but you can override determine_next_values method
interval: int minutes between polls
func_args dict optional dict of arguments to be passed to func
"""
assert all([self.is_valid_name(name)
for name in names]), 'name not valid'
super().__init__(base_url=base_url or api_url(),
write_key=write_key,
verbose=verbose,
func=func,
func_args=func_args,
interval=interval,
name='never_used.json')
self.names = names
self.with_copulas = with_copulas
