def test_initialization_multiple():
l = []
for i in range(0, 10):
e = Events()
l.append(e)
for e in l:
e.close()
def test_subscribe_multiple():
pub = Events()
sub = Events()
time.sleep(0.1)
# set up subscriber connection
def fn(data):
fn.data = data
fn.calls += 1
fn.data = None
fn.calls = 0
topics = []
for i in range(0, 100):
topics.append(str(i))
for topic in topics:
sub.connect(fn, topic)
for topic in topics:
pub.publish(topic, topic)
time.sleep(0.1)
assert fn.calls == len(topics)
def simple_recv(topic='test_topic', data=None):
pub = Events()
sub = Events()
# set up subscriber connection
def fn(data):
fn.data = data
fn.data = None
time.sleep(0.1)
sub.connect(fn, topic)
time.sleep(0.1)
pub.publish(topic, data)
time.sleep(0.1)
return fn.data
'''
Example of sending simple strings using args and kwargs.
'''
import time
from zmqpc import Events
pub = Events()
sub = Events()
def on_message(*args, **kwargs):
print(f'args: {args}\tkwargs: {kwargs}')
time.sleep(0.1)
sub.connect(on_message, 'apple')
for i in range(0, 10):
pub.publish('apple',
'arg1',
'arg2',
kwarg1='kwarg1',
kwarg2='kwarg2',
it=i)
time.sleep(0.1)
def test_initialization_single():
e = Events()
e.close()
'''
Example of sending simple strings using args and kwargs.
'''
import time
from zmqpc import Events
pub1 = Events()
pub2 = Events()
pub3 = Events()
pub4 = Events()
pub5 = Events()
sub = Events()
def on_message(*args, **kwargs):
print(f'args: {args}\tkwargs: {kwargs}')
sub.connect(on_message, 'apple')
for i in range(0, 10):
pub1.publish('apple', 'pub1')
pub2.publish('apple', 'pub2')
pub3.publish('apple', 'pub3')
pub4.publish('apple', 'pub4')
pub5.publish('apple', 'pub5')
'''
Example of sending simple strings using args and kwargs.
'''
import time
from zmqpc import Events
pub = Events()
sub1 = Events()
sub2 = Events()
sub3 = Events()
sub4 = Events()
sub5 = Events()
def on_message(*args, **kwargs):
print(f'args: {args}\tkwargs: {kwargs}')
sub1.connect(on_message, 'apple')
sub2.connect(on_message, 'apple')
sub3.connect(on_message, 'apple')
sub4.connect(on_message, 'apple')
sub5.connect(on_message, 'apple')
for i in range(0, 10):
pub.publish('apple', 'pub1')
'''
Example of publishing more kwargs than callback receives.
'''
import time
from zmqpc import Events
pub = Events()
sub = Events()
def on_message(arg1, arg2, kwarg1=None):
print(arg1)
print(arg2)
print(kwarg1)
sub.connect(on_message, 'apple')
for i in range(0, 10):
pub.publish('apple',
'arg1-aaaa',
'arg2-bbbb',
kwarg1='kwarg1-cccc',
kwarg2='kwarg2-dddd')
'''
Example use of image sending.
Sends/receives 100 images.
Displays the last image.
'''
import os
import cv2
import time
from pathlib import Path
from zmqpc import Events
IMGS_TO_PUBLISH = 100
RECV_IMG_NUM = 0
RECV_IMG = None
pub = Events()
sub = Events()
def save_img(img):
global RECV_IMG_NUM, RECV_IMG
RECV_IMG_NUM += 1
print(f'recv img {RECV_IMG_NUM}/{IMGS_TO_PUBLISH}')
RECV_IMG = img
time.sleep(0.1)
sub.connect(save_img, 'apple')
time.sleep(0.1)