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from dotenv import load_dotenv, find_dotenv
import os
import zerorpc
import gevent
import time
from io import BytesIO
import base64
from PIL import Image
load_dotenv(find_dotenv())
class CortexRPC(object):
def __init__(self, get_fn, set_fn):
super().__init__()
self._get_fn = get_fn
self._set_fn = set_fn
self.working = False
self.connect()
def connect(self):
print('Connecting to RPC on port {}'.format(os.getenv('RPC_PORT')))
self.rpc = zerorpc.Server(self)
self.rpc.bind('tcp://127.0.0.1:' + os.getenv('RPC_PORT'))
gevent.spawn(self.connected)
self.rpc.run()
def connected(self):
print('RPC running on port {}'.format(os.getenv('RPC_PORT')))
print('Connecting to Relay on port {}'.format(os.getenv('RELAY_PORT')))
self.relay = zerorpc.Client()
self.relay.connect('tcp://127.0.0.1:' + os.getenv('RELAY_PORT'))
val = None
try:
val = self.relay.connected('rpc')
print('RPC connected...'.format(val))
except zerorpc.TimeoutExpired:
print('RPC timeout :(')
return val
# print('defer sending a file...')
# gevent.sleep(1)
# return self.get_last_frame()
"""
def get_last_frame(self):
if self.working:
self.working = False
return 'working'
path = os.getenv('TEST_FRAMES_PATH')
onlyfiles = sorted([f for f in os.listdir(path) if os.path.isfile(os.path.join(path, f))])
self.working = True
for f in onlyfiles:
gevent.sleep(1/10)
if not self.working:
return
output = BytesIO()
im = Image.open(os.path.join(path, f))
# im = im.convert('RGB')
im.save(output, format='JPEG')
frame = output.getvalue()
output.close()
self.send_frame(f.replace('png', 'jpg'), frame)
self.working = False
return 'ok'
"""
def send_param(self, key, value):
print('aloha. {}: {}'.format(key, value))
if self._set_fn is not None:
self._set_fn(key, value)
else:
print('No listener provided to CortexRPC')
return 'ok'
def get_params(self):
print('Get params call received!')
return self._get_fn()
def send_pil_image(self, fn, im):
output = BytesIO()
# im = im.convert('RGB')
im.save(output, format='JPEG')
frame = output.getvalue()
output.close()
self.send_frame(f.replace('png', 'jpg'), frame)
def send_frame(self, fn, frame):
if self.relay is not None:
# print('Send frame ' + fn)
self.relay.send_frame(fn, frame)
else:
print('Can\'t send frame, relay not ready...')
if __name__ == '__main__':
def log_param(key, value):
print('Log param. {}: {}'.format(key, value))
# this will block
rpc = CortexRPC(log_param)
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