openwebrx-clone/csdr/output.py

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2021-04-09 16:16:25 +00:00
import threading
import logging
logger = logging.getLogger(__name__)
class Output(object):
def send_output(self, t, read_fn):
if not self.supports_type(t):
# TODO rewrite the output mechanism in a way that avoids producing unnecessary data
logger.warning("dumping output of type %s since it is not supported.", t)
threading.Thread(target=self.pump(read_fn, lambda x: None), name="csdr_pump_thread").start()
return
self.receive_output(t, read_fn)
def receive_output(self, t, read_fn):
pass
def pump(self, read, write):
def copy():
run = True
while run:
data = None
try:
data = read()
except ValueError:
pass
if data is None or (isinstance(data, bytes) and len(data) == 0):
run = False
else:
write(data)
return copy
def supports_type(self, t):
return True