Passthrough loglevel to fsp actor

piker/fsp/__init__.py

@@ -18,14 +18,14 @@
 Financial signal processing for the peeps.
 """
 from functools import partial
-from typing import AsyncIterator, Callable, Tuple
+from typing import AsyncIterator, Callable, Tuple, Optional
 
 import trio
 from trio_typing import TaskStatus
 import tractor
 import numpy as np
 
-from ..log import get_logger
+from ..log import get_logger, get_console_log
 from .. import data
 from ._momo import _rsi, _wma
 from ._volume import _tina_vwap
@@ -134,7 +134,7 @@ async def fsp_compute(
     # check for data length mis-allignment and fill missing values
     diff = len(src.array) - len(history)
     if diff >= 0:
-        print(f"WTF DIFF SIGNAL to HISTORY {diff}")
+        log.warning(f"WTF DIFF SIGNAL to HISTORY {diff}")
         for _ in range(diff):
             dst.push(history[:1])
 
@@ -149,6 +149,12 @@ async def fsp_compute(
 
         # rt stream
         async for processed in out_stream:
+
+            # period = time.time() - last
+            # hz = 1/period if period else float('nan')
+            # if hz > 60:
+            #     log.info(f'FSP quote too fast: {hz}')
+
             log.debug(f"{fsp_func_name}: {processed}")
             index = src.index
             dst.array[-1][fsp_func_name] = processed
@@ -165,12 +171,16 @@ async def cascade(
     dst_shm_token: Tuple[str, np.dtype],
     symbol: str,
     fsp_func_name: str,
+    loglevel: Optional[str] = None,
 
 ) -> None:
-    """Chain streaming signal processors and deliver output to
+    '''Chain streaming signal processors and deliver output to
     destination mem buf.
 
-    """
+    '''
+    if loglevel:
+        get_console_log(loglevel)
+
     src = attach_shm_array(token=src_shm_token)
     dst = attach_shm_array(readonly=False, token=dst_shm_token)
 
@@ -180,6 +190,10 @@ async def cascade(
     async with data.feed.maybe_open_feed(
         brokername,
         [symbol],
+
+        # TODO:
+        # tick_throttle=60,
+
     ) as (feed, stream):
 
         assert src.token == feed.shm.token