unicorn_binance_websocket_api package

Submodules

unicorn_binance_websocket_api.connection module

class unicorn_binance_websocket_api.connection.BinanceWebSocketApiConnection(manager, stream_id, socket_id, channels, markets, symbols)

Bases: object

async close()
async receive()
async send(data)

unicorn_binance_websocket_api.exceptions module

exception unicorn_binance_websocket_api.exceptions.StreamRecoveryError

Bases: Exception

Exception for non recoverable streams.

exception unicorn_binance_websocket_api.exceptions.UnknownExchange

Bases: Exception

Exception if the manager class is started with an unkown exchange.

unicorn_binance_websocket_api.manager module

class unicorn_binance_websocket_api.manager.BinanceWebSocketApiManager(process_stream_data=False, exchange='binance.com', warn_on_update=True, throw_exception_if_unrepairable=False, restart_timeout=6, show_secrets_in_logs=False, output_default='raw_data', enable_stream_signal_buffer=False, disable_colorama=False, stream_buffer_maxlen=None, process_stream_signals=False, close_timeout_default: int = 1, ping_interval_default: int = 5, ping_timeout_default: int = 10, high_performance=False, debug=False)

Bases: threading.Thread

An unofficial Python API to use the Binance Websocket API`s (com+testnet, com-margin+testnet, com-isolated_margin+testnet, com-futures+testnet, us, jex, dex/chain+testnet) in a easy, fast, flexible, robust and fully-featured way.

This library supports two different kind of websocket endpoints:

  • CEX (Centralized exchange): binance.com, binance.vision, binance.je, binance.us, trbinance.com, jex.com

  • DEX (Decentralized exchange): binance.org

Binance.com websocket API documentation:

Binance.vision (Testnet) websocket API documentation:

Binance.us websocket API documentation:

TRBinance.com websocket API documentation:

Jex.com websocket API documentation:

Binance.org websocket API documentation:

Parameters

  • process_stream_data (function) – Provide a function/method to process the received webstream data (callback). The function will be called instead of add_to_stream_buffer() like process_stream_data(stream_data, stream_buffer_name) where stream_data cointains the raw_stream_data. If not provided, the raw stream_data will get stored in the stream_buffer or provided to a specific callback function of create_stream()! How to read from stream_buffer!

  • exchange (str) – Select binance.com, binance.com-testnet, binance.com-margin, binance.com-margin-testnet, binance.com-isolated_margin, binance.com-isolated_margin-testnet, binance.com-futures, binance.com-futures-testnet, binance.com-coin_futures, binance.us, trbinance.com, jex.com, binance.org or binance.org-testnet (default: binance.com)

  • warn_on_update (bool) – set to False to disable the update warning

  • throw_exception_if_unrepairable (bool) – set to True to activate exceptions if a crashed stream is unrepairable (invalid API key, exceeded subscription limit) or an unknown exchange is used

  • restart_timeout (int) – A stream restart must be successful within this time, otherwise a new restart will be initialized. Default is 6 seconds.

  • show_secrets_in_logs (bool) – set to True to show secrets like listen_key, api_key or api_secret in log file (default=False)

  • output_default (str) – set to “dict” to convert the received raw data to a python dict, set to “UnicornFy” to convert with UnicornFy - otherwise with the default setting “raw_data” the output remains unchanged and gets delivered as received from the endpoints. Change this for a specific stream with the output parameter of create_stream() and replace_stream()

  • enable_stream_signal_buffer (bool) – set to True to enable the stream_signal_buffer and receive information about disconnects and reconnects to manage a restore of the lost data during the interruption or to recognize your bot got blind.

  • disable_colorama (bool) – set to True to disable the use of colorama

  • stream_buffer_maxlen (int or None) – Set a max len for the generic stream_buffer. This parameter can also be used within create_stream() for a specific stream_buffer.

  • process_stream_signals (function) – Provide a function/method to process the received stream signals. The function is running inside an asyncio loop and will be called instead of add_to_stream_signal_buffer() like process_stream_data(signal_type=False, stream_id=False, data_record=False).

  • close_timeout_default (int) – The close_timeout parameter defines a maximum wait time in seconds for completing the closing handshake and terminating the TCP connection. This parameter is passed through to the websockets.client.connect()

  • ping_interval_default (int) –

    Once the connection is open, a Ping frame is sent every ping_interval seconds. This serves as a keepalive. It helps keeping the connection open, especially in the presence of proxies with short timeouts on inactive connections. Set ping_interval to None to disable this behavior. This parameter is passed through to the websockets.client.connect()

  • ping_timeout_default (int) –

    If the corresponding Pong frame isn’t received within ping_timeout seconds, the connection is considered unusable and is closed with code 1011. This ensures that the remote endpoint remains responsive. Set ping_timeout to None to disable this behavior. This parameter is passed through to the websockets.client.connect()

  • high_performance (bool) – Set to True makes create_stream() a non blocking function

add_to_ringbuffer_error(error)

Add received error messages from websocket endpoints to the error ringbuffer

Parameters

error (string) – The data to add.

Returns

bool

add_to_ringbuffer_result(result)

Add received result messages from websocket endpoints to the result ringbuffer

Parameters

result (string) – The data to add.

Returns

bool

add_to_stream_buffer(stream_data, stream_buffer_name=False)

Kick back data to the stream_buffer

If it is not possible to process received stream data (for example, the database is restarting, so its not possible to save the data), you can return the data back into the stream_buffer. After a few seconds you stopped writing data back to the stream_buffer, the BinanceWebSocketApiManager starts flushing back the data to normal processing.

Parameters

  • stream_data (raw stream_data or unicorn_fied stream data) – the data you want to write back to the buffer

  • stream_buffer_name (bool or str) – If False the data is going to get written to the default stream_buffer, set to True to read the data via pop_stream_data_from_stream_buffer(stream_id) or provide a string to create and use a shared stream_buffer and read it via pop_stream_data_from_stream_buffer(‘string’).

Returns

bool

add_to_stream_signal_buffer(signal_type=False, stream_id=False, data_record=False)

Add signals about a stream to the stream_signal_buffer

Parameters

  • signal_type (str) – “CONNECT”, “DISCONNECT” or “FIRST_RECEIVED_DATA”

  • stream_id (str) – id of a stream

  • data_record (str or dict) – The last or first received data record

Returns

bool

add_total_received_bytes(size)

Add received bytes to the total received bytes statistic

Parameters

size (int) – int value of added bytes

clear_stream_buffer(stream_buffer_name=False)

Clear the stream_buffer

Parameters

stream_buffer_name (bool or str) – False to read from generic stream_buffer, the stream_id if you used True in create_stream() or the string name of a shared stream_buffer.

Returns

bool

create_payload(stream_id, method, channels=False, markets=False)

Create the payload for subscriptions

Parameters

  • stream_id (str) – provide a stream_id

  • method (str) – SUBSCRIBE or UNSUBSCRIBE

  • channels (str, tuple, list, set) – provide the channels to create the URI

  • markets (str, tuple, list, set) – provide the markets to create the URI

Returns

payload (list) or False

create_stream(channels, markets, stream_label=None, stream_buffer_name=False, api_key=False, api_secret=False, symbols=False, output=False, ping_interval=None, ping_timeout=None, close_timeout=None, stream_buffer_maxlen=None, process_stream_data=None)

Create a websocket stream

If you provide 2 markets and 2 channels, then you are going to create 4 subscriptions (markets * channels).

Example:

channels = [‘trade’, ‘kline_1’]

markets = [‘bnbbtc’, ‘ethbtc’]

Finally: bnbbtc@trade, ethbtc@trade, bnbbtc@kline_1, ethbtc@kline_1

There is a subscriptions limit per stream!

Create !userData streams as single streams, because its using a different endpoint and can not get combined with other streams in a multiplexed stream!

Example CEX:

binance_websocket_api_manager.create_stream(["arr"], ["!userData"], api_key="aaa", api_secret="bbb")

Isolated Margin:

binance_websocket_api_manager.create_stream(["arr"], ["!userData"], api_key="aaa", api_secret="bbb", symbols="ankrbtc")

Example DEX:

binance_websocket_api_manager.create_stream(['orders', 'transfers', 'accounts'], binance_dex_user_address)

To create a multiplexed stream which includes also !miniTicker@arr, !ticker@arr, !forceOrder@arr or !bookTicker@arr you just need to add !bookTicker to the channels list - dont add arr (cex) or $all (dex) to the markets list.

Example:

binance_websocket_api_manager.create_stream(['kline_5m', 'marketDepth', '!miniTicker'], ['bnbbtc'])

But you have to add arr or $all if you want to start it as a single stream!

Example:

binance_websocket_api_manager.create_stream(["arr"], ["!miniTicker"])

Parameters

  • channels (str, tuple, list, set) – provide the channels you wish to stream

  • markets (str, tuple, list, set) – provide the markets you wish to stream

  • stream_label (str) – provide a stream_label to identify the stream

  • stream_buffer_name (bool or str) – If False the data is going to get written to the default stream_buffer, set to True to read the data via pop_stream_data_from_stream_buffer(stream_id) or provide a string to create and use a shared stream_buffer and read it via pop_stream_data_from_stream_buffer(‘string’).

  • api_key (str) – provide a valid Binance API key

  • api_secret (str) – provide a valid Binance API secret

  • symbols (str) – provide the symbols for isolated_margin user_data streams

  • output (str) –

    the default setting raw_data can be globaly overwritten with the parameter output_default of BinanceWebSocketApiManager`. To overrule the output_default value for this specific stream, set output to “dict” to convert the received raw data to a python dict, set to “UnicornFy” to convert with UnicornFy - otherwise with the default setting “raw_data” the output remains unchanged and gets delivered as received from the endpoints

  • ping_interval (int or None) –

    Once the connection is open, a Ping frame is sent every ping_interval seconds. This serves as a keepalive. It helps keeping the connection open, especially in the presence of proxies with short timeouts on inactive connections. Set ping_interval to None to disable this behavior. (default: 20) This parameter is passed through to the websockets.client.connect()

  • ping_timeout (int or None) –

    If the corresponding Pong frame isn’t received within ping_timeout seconds, the connection is considered unusable and is closed with code 1011. This ensures that the remote endpoint remains responsive. Set ping_timeout to None to disable this behavior. (default: 20) This parameter is passed through to the websockets.client.connect()

  • close_timeout (int or None) –

    The close_timeout parameter defines a maximum wait time in seconds for completing the closing handshake and terminating the TCP connection. (default: 10) This parameter is passed through to the websockets.client.connect()

  • stream_buffer_maxlen (int or None) – Set a max len for the stream_buffer. Only used in combination with a non generic stream_buffer. The generic stream_buffer uses always the value of BinanceWebSocketApiManager().

  • process_stream_data (function) –

    Provide a function/method to process the received webstream data (callback). The function will be called instead of add_to_stream_buffer() like process_stream_data(stream_data) where stream_data cointains the raw_stream_data. If not provided, the raw stream_data will get stored in the stream_buffer or provided to the global callback function provided during object instantiation! How to read from stream_buffer!

Returns

stream_id or ‘False’

create_websocket_uri(channels, markets, stream_id=False, api_key=False, api_secret=False, symbols=False)

Create a websocket URI

Parameters

  • channels (str, tuple, list, set) – provide the channels to create the URI

  • markets (str, tuple, list, set) – provide the markets to create the URI

  • stream_id (str) – provide a stream_id (only needed for userData Streams (acquiring a listenKey)

  • api_key (str) – provide a valid Binance API key

  • api_secret (str) – provide a valid Binance API secret

  • symbols (str) – provide the symbols for isolated_margin user_data streams

Returns

str or False

delete_listen_key_by_stream_id(stream_id)

Delete a binance listen_key from a specific !userData stream

Parameters

stream_id (str) – id of a !userData stream

delete_stream_from_stream_list(stream_id)

Delete a stream from the stream_list

Even if a stream crashes or get stopped, its data remains in the BinanceWebSocketApiManager till you stop the BinanceWebSocketApiManager itself. If you want to tidy up the stream_list you can use this method.

Parameters

stream_id (str) – id of a stream

Returns

bool

fill_up_space_centered(demand_of_chars, string, filling=' ')

Add whitespaces to string to a length of demand_of_chars

Parameters

  • demand_of_chars (int) – how much chars does the string have to have?

  • string (str) – the string that has to get filled up with spaces

  • filling (str) – filling char (default: blank space)

Returns

the filled up string

fill_up_space_left(demand_of_chars, string, filling=' ')

Add whitespaces to string to a length of demand_of_chars on the left side

Parameters

  • demand_of_chars (int) – how much chars does the string have to have?

  • string (str) – the string that has to get filled up with spaces

  • filling (str) – filling char (default: blank space)

Returns

the filled up string

fill_up_space_right(demand_of_chars, string, filling=' ')

Add whitespaces to string to a length of demand_of_chars on the right side

Parameters

  • demand_of_chars (int) – how much chars does the string have to have?

  • string (str) – the string that has to get filled up with spaces

  • filling (str) – filling char (default: blank space)

Returns

the filled up string

get_active_stream_list()

Get a list of all active streams

Returns

set or False

get_all_receives_last_second()

Get the number of all receives of the last second

Returns

int

get_binance_api_status()

get_binance_api_status() is obsolete and will be removed in future releases, please use get_used_weight() instead!

Returns

dict

get_current_receiving_speed(stream_id)

Get the receiving speed of the last second in Bytes

Returns

int

get_current_receiving_speed_global()

Get the receiving speed of the last second in Bytes from all streams!

Returns

int

static get_date_of_timestamp(timestamp)

Convert a timestamp into a readable date/time format for humans

Parameters

timestamp (timestamp) – provide the timestamp you want to convert into a date

Returns

str

get_debug_log()

Get the debug log string.

Returns

str

get_errors_from_endpoints()

Get all the stored error messages from the ringbuffer sent by the endpoints.

Returns

list

get_event_loop_by_stream_id(stream_id: Optional[Union[bool, str]] = False) → bool

Get the asyncio event loop used by a specific stream.

Returns

asyncio event loop or False

get_exchange()

Get the name of the used exchange like “binance.com” or “binance.org-testnet”

Returns

str

static get_human_bytesize(bytes, suffix='')

Convert the bytes to something readable

Parameters

  • bytes (int) – amount of bytes

  • suffix (str) – add a string after

Returns

static get_human_uptime(uptime)

Convert a timespan of seconds into hours, days, …

Parameters

uptime (int) – Uptime in seconds

Returns

get_keep_max_received_last_second_entries()

Get the number of how much received_last_second entries are stored till they get deleted

Returns

int

static get_latest_release_info()

Get infos about the latest available release

Returns

dict or False

static get_latest_release_info_check_command()

Get infos about the latest available check_lucit_collector release

Returns

dict or False

get_latest_version()

Get the version of the latest available release (cache time 1 hour)

Returns

str or False

get_latest_version_check_command()

Get the version of the latest available check_lucit_collector.py release (cache time 1 hour)

Returns

str or False

get_limit_of_subscriptions_per_stream()

Get the number of allowed active subscriptions per stream (limit of binance API) :return: int

get_listen_key_from_restclient(stream_id, api_key, api_secret, symbols=False)

Get a new or cached (<30m) listen_key

Parameters

  • stream_id (str) – provide a stream_id

  • api_key (str) – provide a valid Binance API key

  • api_secret (str) – provide a valid Binance API secret

  • symbols (str) – provide the symbols for isolated_margin user_data streams

Returns

str or False

get_monitoring_status_icinga(check_command_version=False, warn_on_update=True)

Get status and perfdata to monitor and collect metrics with ICINGA/Nagios

status: OK, WARNING, CRITICAL - WARNING: on restarts, available updates - CRITICAL: crashed streams

perfdata: - average receives per second since last status check - average speed per second since last status check - total received bytes since start - total received length since start - stream_buffer size - stream_buffer length - reconnects - uptime

Parameters

  • check_command_version (str) – is the version of the calling check_command

  • warn_on_update (bool) – set to False to disable the update warning

Returns

dict (text, time, return_code)

get_monitoring_status_plain(check_command_version=False, warn_on_update=True)

Get plain monitoring status data: active_streams, crashed_streams, restarting_streams, stopped_streams, return_code, status_text, timestamp, update_msg, average_receives_per_second, average_speed_per_second, total_received_mb, stream_buffer_items, stream_buffer_mb, reconnects, uptime

Parameters

  • check_command_version (False or str) –

    is the version of the calling check_command

  • warn_on_update (bool) – set to False to disable the update warning

Returns

dict

get_most_receives_per_second()

Get the highest total receives per second value

Returns

int

static get_new_uuid_id() → str

Get a new unique uuid in string format. This is used as ‘stream_id’ or ‘socket_id’.

Returns

uuid (str)

get_number_of_all_subscriptions()

Get the amount of all stream subscriptions

Returns

inf

get_number_of_free_subscription_slots(stream_id)

Get the number of free subscription slots (max allowed subscriptions - subscriptions) of a specific stream

Returns

int

get_number_of_streams_in_stream_list()

Get the number of streams that are stored in the stream_list

Returns

int

get_number_of_subscriptions(stream_id)

Get the number of subscriptions of a specific stream

Returns

int

get_process_usage_cpu()

Get the used cpu power of this process

Returns

int

get_process_usage_memory()

Get the used memory of this process

Returns

str

get_process_usage_threads()

Get the amount of threads that this process is using

Returns

int

get_reconnects()

Get the number of total reconnects

Returns

int

get_request_id()

Get a unique request_id

Returns

int

get_result_by_request_id(request_id=False, timeout=10)

Get the result related to the provided request_id

Parameters

  • request_id (stream_id (uuid)) – if you run get_stream_subscriptions() it returns a unique request_id - provide it to this method to receive the result.

  • timeout (int) – seconds to wait to receive the result. If not there it returns ‘False’

Returns

result or False

get_results_from_endpoints()

Get all the stored result messages from the ringbuffer sent by the endpoints.

Returns

list

get_ringbuffer_error_max_size()

How many entries should be stored in the ringbuffer?

Returns

int

get_ringbuffer_result_max_size()

How many entries should be stored in the ringbuffer?

Returns

int

get_start_time()

Get the start_time of the BinanceWebSocketApiManager instance

Returns

timestamp

get_stream_buffer_byte_size()

Get the current byte size estimation of the stream_buffer

Returns

int

get_stream_buffer_length(stream_buffer_name=False)

Get the current number of items in all stream_buffer or of a specific stream_buffer

Parameters

stream_buffer_name (str or stream_id) – Name of the stream_buffer

Returns

int

get_stream_buffer_maxlen(stream_buffer_name=False)

Get the maxlen value of the stream_buffer

If maxlen is not specified or is None, stream_buffer may grow to an arbitrary length. Otherwise, the stream_buffer is bounded to the specified maximum length. Once a bounded length stream_buffer is full, when new items are added, a corresponding number of items are discarded from the opposite end.

Parameters

stream_buffer_name (bool or str) – False to read from generic stream_buffer, the stream_id if you used True in create_stream() or the string name of a shared stream_buffer.

Returns

int or False

get_stream_id_by_label(stream_label=False)

Get the stream_id of a specific stream by stream label

Parameters

stream_label (str) – stream_label of the stream you search

Returns

stream_id or False

get_stream_info(stream_id)

Get all infos about a specific stream

Parameters

stream_id (str) – id of a stream

Returns

set

get_stream_label(stream_id=False)

Get the stream_label of a specific stream

Parameters

stream_id (str) – id of a stream

Returns

str or False

get_stream_list()

Get a list of all streams

Returns

set

get_stream_receives_last_second(stream_id)

Get the number of receives of specific stream from the last seconds

Parameters

stream_id (str) – id of a stream

Returns

int

get_stream_statistic(stream_id)

Get the statistic of a specific stream

Parameters

stream_id (str) – id of a stream

Returns

set

get_stream_subscriptions(stream_id, request_id=False)

Get a list of subscriptions of a specific stream from Binance endpoints - the result can be received via the stream_buffer and is also added to the results ringbuffer - get_results_from_endpoints() to get all results or use get_result_by_request_id(request_id) to get a specific one!

This function is supported by CEX endpoints only!

Info: https://github.com/binance-exchange/binance-official-api-docs/blob/master/web-socket-streams.md#listing-subscriptions

Parameters

  • stream_id (str) – id of a stream

  • request_id (int) – id to use for the request - use get_request_id() to create a unique id. If not provided or False, then this method is using get_request_id() automatically.

Returns

request_id (int)

get_total_received_bytes()

Get number of total received bytes

Returns

int

get_total_receives()

Get the number of total receives

Returns

int

get_used_weight()

Get used_weight, last status_code and the timestamp of the last status update

Returns

dict

get_user_agent()

Get the user_agent string “lib name + lib version + python version”

Returns

get_version()

Get the package/module version

Returns

str

get_version_unicorn_fy()

Get the package/module version of UnicornFy

Returns

str

static help()

Help in iPython

increase_processed_receives_statistic(stream_id)

Add the number of processed receives

Parameters

stream_id (str) – id of a stream

increase_received_bytes_per_second(stream_id, size)

Add the amount of received bytes per second

Parameters

  • stream_id (str) – id of a stream

  • size (int) – amount of bytes to add

increase_reconnect_counter(stream_id)

Increase reconnect counter

Parameters

stream_id (str) – id of a stream

increase_transmitted_counter(stream_id)

Increase the counter of transmitted payloads :param stream_id: id of a stream :type stream_id: str

is_exchange_type(exchange_type=False)

Check the exchange type!

Parameters

exchange_type (str) – Valid types are dex and cex!

Returns

bool

is_manager_stopping()

Returns True if the manager has a stop request, ‘False’ if not.

Returns

bool

is_stop_as_crash_request(stream_id)

Has a specific stream a stop_as_crash_request?

Parameters

stream_id (str) – id of a stream

Returns

bool

is_stop_request(stream_id, exclude_kill_requests=False)

Has a specific stream a stop_request?

Parameters

  • stream_id (str) – id of a stream

  • exclude_kill_requests (bool) – if True this method returns False on kill_requests

Returns

bool

is_stream_signal_buffer_enabled()

Is the stream_signal_buffer enabled?

Returns

bool

is_update_availabe_check_command(check_command_version=False)

Is a new release of check_lucit_collector.py available?

Returns

bool

is_update_availabe_unicorn_fy()

Is a new release of UnicornFy available?

Returns

bool

is_update_available()

Is a new release of this package available?

Returns

bool

kill_stream(stream_id)

Kill a specific stream

Parameters

stream_id (str) – id of a stream

Returns

bool

pop_stream_data_from_stream_buffer(stream_buffer_name=False, mode='FIFO')

Get oldest or latest entry from stream_buffer and remove from FIFO/LIFO stack.

Parameters

  • stream_buffer_name (bool or str) – False to read from generic stream_buffer, the stream_id if you used True in create_stream() or the string name of a shared stream_buffer.

  • mode (str) – How to read from the stream_buffer - “FIFO” (default) or “LIFO”.

Returns

stream_data - str, dict or False

pop_stream_signal_from_stream_signal_buffer()

Get oldest entry from stream_signal_buffer and remove from stack/pipe (FIFO stack)

Returns

stream_signal - dict or False

print_stream_info(stream_id, add_string='', title=None)

Print all infos about a specific stream, helps debugging :)

Parameters

  • stream_id (str) – id of a stream

  • add_string (str) – text to add to the output

  • title (bool) – set to True to use curses instead of print()

Returns

bool

print_summary(add_string='', disable_print=False, title=None)

Print an overview of all streams

Parameters

  • add_string (str) – text to add to the output

  • disable_print (bool) – set to True to use curses instead of print()

  • title (str) – set a title (first row) for print_summary output

print_summary_to_png(print_summary_export_path, hight_per_row=12.5)

Create a PNG image file with the console output of print_summary()

LINUX ONLY It should not be hard to make it OS independent: https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/issues/61

Parameters

  • print_summary_export_path (str) – If you want to export the output of print_summary() to an image, please provide a path like “/var/www/html/”. View the Wiki!

  • hight_per_row (int) – set the hight per row for the image hight calculation

Returns

bool

static remove_ansi_escape_codes(text)

Remove ansi excape codes from the text string!

Parameters

text – str

Returns

replace_stream(stream_id, new_channels, new_markets, new_stream_label=None, new_stream_buffer_name=False, new_api_key=False, new_api_secret=False, new_symbols=False, new_output='raw_data', new_ping_interval=20, new_ping_timeout=20, new_close_timeout=10, new_stream_buffer_maxlen=None)

Replace a stream

If you want to start a stream with a new config, its recommended, to first start a new stream with the new settings and close the old stream not before the new stream received its first data. So your data will stay consistent.

Parameters

  • stream_id (str) – id of the old stream

  • new_channels (str, tuple, list, set) – the new channel list for the stream

  • new_markets (str, tuple, list, set) – the new markets list for the stream

  • new_stream_label (str) – provide a stream_label to identify the stream

  • new_stream_buffer_name (bool or str) – If False the data is going to get written to the default stream_buffer, set to True to read the data via pop_stream_data_from_stream_buffer(stream_id) or provide a string to create and use a shared stream_buffer and read it via pop_stream_data_from_stream_buffer(‘string’).

  • new_api_key (str) – provide a valid Binance API key

  • new_api_secret (str) – provide a valid Binance API secret

  • new_symbols (str) – provide the symbols for isolated_margin user_data streams

  • new_output (str) –

    set to “dict” to convert the received raw data to a python dict, set to “UnicornFy” to convert with UnicornFy - otherwise the output remains unchanged and gets delivered as received from the endpoints

  • new_ping_interval (int or None) –

    Once the connection is open, a Ping frame is sent every ping_interval seconds. This serves as a keepalive. It helps keeping the connection open, especially in the presence of proxies with short timeouts on inactive connections. Set ping_interval to None to disable this behavior. (default: 20) This parameter is passed through to the websockets.client.connect()

  • new_ping_timeout (int or None) –

    If the corresponding Pong frame isn’t received within ping_timeout seconds, the connection is considered unusable and is closed with code 1011. This ensures that the remote endpoint remains responsive. Set ping_timeout to None to disable this behavior. (default: 20) This parameter is passed through to the websockets.client.connect()

  • new_close_timeout (int or None) –

    The close_timeout parameter defines a maximum wait time in seconds for completing the closing handshake and terminating the TCP connection. (default: 10) This parameter is passed through to the websockets.client.connect()

  • new_stream_buffer_maxlen (int or None) – Set a max len for the stream_buffer. Only used in combination with a non generic stream_buffer. The generic stream_buffer uses always the value of BinanceWebSocketApiManager().

Returns

new stream_id

Returns

new_stream_id or ‘False’

run()

This method overloads threading.run() and starts management threads

set_heartbeat(stream_id)

Set heartbeat for a specific thread (should only be done by the stream itself)

set_keep_max_received_last_second_entries(number_of_max_entries)

Set how much received_last_second entries are stored till they get deleted!

Parameters

number_of_max_entries (int) – number of entries to keep in list

set_private_dex_config(binance_dex_user_address)

Set binance_dex_user_address

Is going to be the default user_address, once the websocket is created with this default value, its not possible to change it. If you plan to use different user_address its recommended to not use this method! Just provide the user_address with create_stream() in the market parameter.

Parameters

binance_dex_user_address (str) – Binance DEX user address

set_restart_request(stream_id)

Set a restart request for a specific stream

Parameters

stream_id (str) – id of the old stream

set_ringbuffer_error_max_size(max_size)

How many error messages should be kept in the ringbuffer?

Parameters

max_size (int) – Max entries of error messages in the ringbuffer.

Returns

bool

set_ringbuffer_result_max_size(max_size)

How many result messages should be kept in the ringbuffer?

Parameters

max_size (int) – Max entries of result messages in the ringbuffer.

Returns

bool

set_socket_is_not_ready(stream_id: str) → None

Set socket_is_ready for a specific stream to False.

Parameters

stream_id (str) – id of the stream

set_socket_is_ready(stream_id: str) → None

Set socket_is_ready for a specific stream to True.

Parameters

stream_id (str) – id of the stream

set_stream_label(stream_id, stream_label=None)

Set a stream_label by stream_id

Parameters

  • stream_id (str) – id of the stream

  • stream_label (str) – stream_label to set

split_payload(params, method, max_items_per_request=350)

Sending more than 8000 chars via websocket.send() leads to a connection loss, 350 list elements is a good limit to keep the payload length under 8000 chars and avoid reconnects

Parameters

  • params (list) – params of subscribe payload

  • method (str) – SUBSCRIBE or UNSUBSCRIBE

  • max_items_per_request – max size for params, if more it gets splitted

Returns

list or False

start_monitoring_api(host='127.0.0.1', port=64201, warn_on_update=True)

Start the monitoring API server

Take a look into the Wiki to see how this works!

Parameters

  • host (str) – listening ip address, use 0.0.0.0 or a specific address (default: 127.0.0.1)

  • port (int) – listening port number (default: 64201)

  • warn_on_update (bool) – set to False to disable the update warning

stop_manager_with_all_streams()

Stop the BinanceWebSocketApiManager with all streams and management threads

stop_monitoring_api()

Stop the monitoring API service

Returns

bool

stop_stream(stream_id)

Stop a specific stream

Parameters

stream_id (str) – id of a stream

Returns

bool

stop_stream_as_crash(stream_id)

Stop a specific stream with ‘crashed’ status

Parameters

stream_id (str) – id of a stream

Returns

bool

stream_is_crashing(stream_id, error_msg=False)

If a stream can not heal itself in cause of wrong parameter (wrong market, channel type) it calls this method

Parameters

  • stream_id (str) – id of a stream

  • error_msg (str) – Error msg to add to the stream status!

stream_is_stopping(stream_id)

Streams report with this call their shutdowns

Parameters

stream_id (str) – id of a stream

Returns

bool

subscribe_to_stream(stream_id, channels=[], markets=[])

Subscribe channels and/or markets to an existing stream

If you provide one channel and one market, then every subscribed market is going to get added to the new channel and all subscribed channels are going to get added to the new market!

How are the parameter `channels and markets used with subscriptions

Parameters

  • stream_id (str) – id of a stream

  • channels (str, tuple, list, set) – provide the channels you wish to stream

  • markets (str, tuple, list, set) – provide the markets you wish to stream

Returns

bool

unsubscribe_from_stream(stream_id, channels=None, markets=None)

Unsubscribe channels and/or markets to an existing stream

If you provide one channel and one market, then all subscribed markets from the specific channel and all subscribed channels from the specific markets are going to be removed!

How are the parameter `channels and markets used with subscriptions

Parameters

  • stream_id (str) – id of a stream

  • channels (str, tuple, list, set) – provide the channels you wish to stream

  • markets (str, tuple, list, set) – provide the markets you wish to stream

Returns

bool

wait_till_stream_has_started(stream_id)

Returns True as soon a specific stream has started

Parameters

stream_id (str) – id of a stream

Returns

bool

wait_till_stream_has_stopped(stream_id)

Returns True as soon a specific stream has stopped itself

Parameters

stream_id (str) – id of a stream

Returns

bool

unicorn_binance_websocket_api.restclient module

class unicorn_binance_websocket_api.restclient.BinanceWebSocketApiRestclient(manager)

Bases: object

delete_listen_key(stream_id=False, api_key=False, api_secret=False, listen_key=False)

Delete a specific listen key

Parameters

  • stream_id (str) – provide a stream_id

  • api_key (str) – provide a valid Binance API key

  • api_secret (str) – provide a valid Binance API secret

  • listen_key (str or bool) – the listenkey you want to delete

Returns

the response

Return type

str or False

get_listen_key(stream_id=False, api_key=False, api_secret=False, last_static_ping_listen_key=False, symbol=False)

Request a valid listen_key from binance

Parameters

  • stream_id (str) – provide a stream_id

  • api_key (str) – provide a valid Binance API key

  • api_secret (str) – provide a valid Binance API secret

  • last_static_ping_listen_key (int) – the last_static_ping_listen_key variable of the listen_key you want to keepalive

  • symbol (str) – provide the symbol for isolated_margin user_data listen_key

Returns

listen_key

Return type

str or False

keepalive_listen_key(stream_id=False, api_key=False, api_secret=False, listen_key=False, last_static_ping_listen_key=False)

Ping a listenkey to keep it alive

Parameters

  • stream_id (str) – provide a stream_id

  • api_key (str) – provide a valid Binance API key

  • api_secret (str) – provide a valid Binance API secret

  • listen_key (str) – the listenkey you want to keepalive

  • last_static_ping_listen_key (int) – the last_static_ping_listen_key variable of the listen_key you want to keepalive

Returns

the response

Return type

str or False

unicorn_binance_websocket_api.restserver module

class unicorn_binance_websocket_api.restserver.BinanceWebSocketApiRestServer(handler_binance_websocket_api_manager, warn_on_update=True)

Bases: flask_restful.Resource

Provide a REST API server

Description: https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/wiki/UNICORN-Monitoring-API-Service

Parameters

  • handler_binance_websocket_api_manager (function) – Provide the handler of the binance_websocket_api_manager

  • warn_on_update (bool) – set to ‘False’ to avoid a warning on available updates

get(statusformat, checkcommandversion=False)

Get the status of the ‘UNICORN Binance WebSocket API Manager’

Parameters

  • statusformat (str) – Choose the format for the export (e.g. ‘icinga’)

  • checkcommandversion (bool) – Control if there is a new version of the check_command available!

Returns

status message of ‘UNICORN Binance WebSocket API Manager’

Return type

list (status string, http status code)

methods: Optional[List[str]] = {'GET'}

A list of methods this view can handle.

unicorn_binance_websocket_api.sockets module

class unicorn_binance_websocket_api.sockets.BinanceWebSocketApiSocket(manager, stream_id, channels, markets)

Bases: object

async start_socket()

Module contents