def test_modify_camera_config(self):
self.cam_client.set_camera_config(
"test_camera",
self.cam_client.get_camera_config("camera_example_2"))
from cam_server import CamClient
# Initialize the camera client.
cam_client = CamClient()
cam_client = self.cam_client
# Print the list of available cameras.
print(cam_client.get_cameras())
# Put the name of the camera you want to modify.
camera_to_modify = "test_camera"
# Retrieve the camera config.
camera_config = cam_client.get_camera_config(camera_to_modify)
# Change the mirror_x setting.
camera_config["mirror_x"] = False
# Change the camera_calibration setting.
camera_config["camera_calibration"] = {
"reference_marker": [0, 0, 100, 100],
"reference_marker_width": 100.0,
"reference_marker_height": 100.0,
"angle_horizontal": 0.0,
"angle_vertical": 0.0
}
# Save the camera configuration.
cam_client.set_camera_config(camera_to_modify, camera_config)
# You can also save the same (or another) config under a different camera name.
cam_client.set_camera_config("camera_to_delete", camera_config)
# And also delete camera configs.
cam_client.delete_camera_config("camera_to_delete")
class CameraClientTest(unittest.TestCase):
def setUp(self):
self.host = "0.0.0.0"
self.port = 8888
test_base_dir = os.path.split(os.path.abspath(__file__))[0]
self.config_folder = os.path.join(test_base_dir, "camera_config/")
self.process = Process(target=start_camera_server,
args=(self.host, self.port, self.config_folder))
self.process.start()
# Give it some time to start.
sleep(0.5)
server_address = "http://%s:%s" % (self.host, self.port)
self.client = CamClient(server_address)
def tearDown(self):
self.client.stop_all_cameras()
os.kill(self.process.pid, signal.SIGINT)
try:
os.remove(os.path.join(self.config_folder, "testing_camera.json"))
except:
pass
# Wait for the server to die.
sleep(1)
def test_client(self):
server_info = self.client.get_server_info()
self.assertIsNot(server_info["active_instances"],
"There should be no running instances.")
expected_cameras = set([
"camera_example_1", "camera_example_2", "camera_example_3",
"camera_example_4", "simulation"
])
self.assertSetEqual(set(self.client.get_cameras()), expected_cameras,
"Not getting all expected cameras")
camera_stream_address = self.client.get_camera_stream("simulation")
self.assertTrue(bool(camera_stream_address),
"Camera stream address cannot be empty.")
self.assertTrue(
"simulation" in self.client.get_server_info()["active_instances"],
"Simulation camera not present in server info.")
# Check if we can connect to the stream and receive data (in less than 2 seconds).
host, port = get_host_port_from_stream_address(camera_stream_address)
with source(host=host, port=port, receive_timeout=2000,
mode=SUB) as stream:
data = stream.receive()
self.assertIsNotNone(data, "Received data was none.")
required_fields = set(
["image", "timestamp", "width", "height", "x_axis", "y_axis"])
self.assertSetEqual(required_fields, set(data.data.data.keys()),
"Required fields missing.")
image = data.data.data["image"].value
x_size, y_size = CameraSimulation(
CameraConfig("simulation")).get_geometry()
self.assertListEqual(
list(image.shape), [y_size, x_size],
"Original and received image are not the same.")
self.assertEqual(data.data.data["width"].value, x_size,
"Width not correct.")
self.assertEqual(data.data.data["height"].value, y_size,
"Height not correct.")
# Stop the simulation instance.
self.client.stop_camera("simulation")
self.assertTrue(
"simulation"
not in self.client.get_server_info()["active_instances"],
"Camera simulation did not stop.")
self.client.get_camera_stream("simulation")
self.assertTrue(
"simulation" in self.client.get_server_info()["active_instances"],
"Camera simulation did not start.")
self.client.stop_all_cameras()
self.assertTrue(
"simulation"
not in self.client.get_server_info()["active_instances"],
"Camera simulation did not stop.")
example_1_config = self.client.get_camera_config("camera_example_1")
self.assertTrue(bool(example_1_config), "Cannot retrieve config.")
# Change the name to reflect tha camera.
example_1_config["name"] = "testing_camera"
self.client.set_camera_config("testing_camera", example_1_config)
testing_camera_config = self.client.get_camera_config("testing_camera")
self.assertDictEqual(example_1_config, testing_camera_config,
"Saved and loaded configs are not the same.")
geometry = self.client.get_camera_geometry("simulation")
simulated_camera = CameraSimulation(CameraConfig("simulation"))
size_x, size_y = simulated_camera.get_geometry()
self.assertListEqual(
geometry, [size_x, size_y],
'The geometry of the simulated camera is not correct.')
self.assertTrue("testing_camera" in self.client.get_cameras(),
"Testing camera should be present.")
self.client.delete_camera_config("testing_camera")
self.assertTrue("testing_camera" not in self.client.get_cameras(),
"Testing camera should not be present.")
# Test if it fails quickly enough.
with self.assertRaisesRegex(
ValueError,
"Camera with prefix EPICS_example_1 not online - Status None"):
self.client.get_camera_stream("camera_example_1")
self.assertTrue(self.client.is_camera_online("simulation"),
"Simulation should be always online")
self.assertFalse(self.client.is_camera_online("camera_example_1"),
"Epics not working in this tests.")
self.client.set_camera_config(
"simulation_temp", self.client.get_camera_config("simulation"))
stream_address = self.client.get_camera_stream("simulation_temp")
camera_host, camera_port = get_host_port_from_stream_address(
stream_address)
sim_x, sim_y = CameraSimulation(
CameraConfig("simulation")).get_geometry()
instance_info = self.client.get_server_info(
)["active_instances"]["simulation_temp"]
self.assertTrue("last_start_time" in instance_info)
self.assertTrue("statistics" in instance_info)
# Collect from the pipeline.
with source(host=camera_host, port=camera_port, mode=SUB) as stream:
data = stream.receive()
x_size = data.data.data["width"].value
y_size = data.data.data["height"].value
self.assertEqual(x_size, sim_x)
self.assertEqual(y_size, sim_y)
x_axis_1 = data.data.data["x_axis"].value
y_axis_1 = data.data.data["y_axis"].value
self.assertEqual(x_axis_1.shape[0], sim_x)
self.assertEqual(y_axis_1.shape[0], sim_y)
camera_config = self.client.get_camera_config("simulation_temp")
camera_config["rotate"] = 1
self.client.set_camera_config("simulation_temp", camera_config)
sleep(0.5)
# Collect from the pipeline.
with source(host=camera_host, port=camera_port, mode=SUB) as stream:
data = stream.receive()
x_size = data.data.data["width"].value
y_size = data.data.data["height"].value
# We rotate the image for 90 degrees - X and Y size should be inverted.
self.assertEqual(x_size, sim_y)
self.assertEqual(y_size, sim_x)
x_axis_2 = data.data.data["x_axis"].value
y_axis_2 = data.data.data["y_axis"].value
# We rotate the image for 90 degrees - X and Y size should be inverted.
self.assertEqual(x_axis_2.shape[0], sim_y)
self.assertEqual(y_axis_2.shape[0], sim_x)
self.client.delete_camera_config("simulation_temp")
image = self.client.get_camera_image("simulation")
self.assertGreater(len(image.content), 0)
image = self.client.get_camera_image_bytes("simulation")
dtype = image["dtype"]
shape = image["shape"]
bytes = base64.b64decode(image["bytes"].encode())
x_size, y_size = CameraSimulation(
CameraConfig("simulation")).get_geometry()
self.assertEqual(shape, [y_size, x_size])
image_array = numpy.frombuffer(bytes, dtype=dtype).reshape(shape)
self.assertIsNotNone(image_array)
self.client.stop_all_cameras()
## Initialize the camera client.
from cam_server import CamClient
cam_client = CamClient()
# Print the list of available cameras.
print(cam_client.get_cameras())
# If modifying: Put the name of the camera you want to modify.
#camera_to_modify = "SATOP31-PSCR136"
# Retrieve the camera config.
#camera_config = cam_client.get_camera_config(camera_to_modify)
#print(camera_config)
# Specify the desired camera config.
#camera_config={
# 'name': 'SATOP31-PSCR136',
# 'source': 'SATOP31-PSCR136',
# 'source_type': 'epics',
# 'mirror_x': False,
# 'mirror_y': False,
# 'rotate': 0,
#
# 'camera_calibration': {
# 'reference_marker': [0, 0, 100, 100],
# 'reference_marker_width': 100.0,
# 'reference_marker_height': 100.0,
# 'angle_horizontal': 0.0,
# 'angle_vertical': 0.0
# }
#}
class PipelineClientTest(unittest.TestCase):
def setUp(self):
self.host = "localhost"
self.cam_port = 8888
self.pipeline_port = 8889
test_base_dir = os.path.split(os.path.abspath(__file__))[0]
self.cam_config_folder = os.path.join(test_base_dir, "camera_config/")
self.pipeline_config_folder = os.path.join(test_base_dir,
"pipeline_config/")
self.background_config_folder = os.path.join(test_base_dir,
"background_config/")
self.user_scripts_folder = os.path.join(test_base_dir, "user_scripts/")
require_folder(self.background_config_folder)
require_folder(self.user_scripts_folder)
cam_server_address = "http://%s:%s" % (self.host, self.cam_port)
pipeline_server_address = "http://%s:%s" % (self.host,
self.pipeline_port)
self.cam_process = Process(target=start_camera_server,
args=(self.host, self.cam_port,
self.cam_config_folder, None))
self.cam_process.start()
self.pipeline_process = Process(
target=start_pipeline_server,
args=(self.host, self.pipeline_port, self.pipeline_config_folder,
self.background_config_folder, self.user_scripts_folder,
cam_server_address))
self.pipeline_process.start()
# Give it some time to start.
sleep(1)
self.cam_client = CamClient(cam_server_address)
self.pipeline_client = PipelineClient(pipeline_server_address)
def tearDown(self):
test_cleanup([self.pipeline_client, self.cam_client], [
self.pipeline_process, self.cam_process
], [
os.path.join(self.pipeline_config_folder, "testing_config.json"),
os.path.join(self.pipeline_config_folder, "test_pipeline.json"),
os.path.join(self.cam_config_folder, "test_camera.json"),
"testing_dump.h5",
self.background_config_folder,
self.user_scripts_folder,
])
def test_a_quick_start(self):
from cam_server import PipelineClient
from cam_server.utils import get_host_port_from_stream_address
from bsread import source, SUB
# Create a pipeline client.
client = PipelineClient()
# ADDITIONAL, FOR THE TEST
camera_name = "simulation"
client = self.pipeline_client
client.create_instance_from_config(
configuration={"camera_name": camera_name},
instance_id=camera_name + "_sp1")
# Define the camera name you want to read. This should be the same camera you are streaming in screen panel.
camera_name = "simulation"
# Format of the instance id when screen_panel creates a pipeline.
pipeline_instance_id = camera_name + "_sp1"
# Get the stream for the pipelie instance.
stream_address = client.get_instance_stream(pipeline_instance_id)
# Extract the stream host and port from the stream_address.
stream_host, stream_port = get_host_port_from_stream_address(
stream_address)
# Open connection to the stream. When exiting the 'with' section, the source disconnects by itself.
with source(host=stream_host, port=stream_port,
mode=SUB) as input_stream:
input_stream.connect()
# Read one message.
message = input_stream.receive()
# Print out the received stream data - dictionary.
print("Dictionary with data:\n", message.data.data)
# Print out the X center of mass.
print("X center of mass: ",
message.data.data["x_center_of_mass"].value)
def test_get_simulated_camera(self):
from cam_server import CamClient
from cam_server.utils import get_host_port_from_stream_address
from bsread import source, SUB
# Change to match your camera server
server_address = "http://0.0.0.0:8888"
# Initialize the client.
camera_client = CamClient(server_address)
# Get stream address of simulation camera. Stream address in format tcp://hostname:port.
camera_stream_address = camera_client.get_instance_stream("simulation")
# Extract the stream hostname and port from the stream address.
camera_host, camera_port = get_host_port_from_stream_address(
camera_stream_address)
# Subscribe to the stream.
with source(host=camera_host, port=camera_port, mode=SUB) as stream:
# Receive next message.
data = stream.receive()
image_width = data.data.data["width"].value
image_height = data.data.data["height"].value
image_bytes = data.data.data["image"].value
print("Image size: %d x %d" % (image_width, image_height))
print("Image data: %s" % image_bytes)
x_size, y_size = get_simulated_camera().get_geometry()
self.assertIsNotNone(data)
self.assertEqual(image_width, x_size)
self.assertIsNotNone(image_height, y_size)
def test_get_basic_pipeline_with_simulated_camera(self):
from cam_server import PipelineClient
from cam_server.utils import get_host_port_from_stream_address
from bsread import source, SUB
# Change to match your pipeline server
server_address = "http://0.0.0.0:8889"
# Initialize the client.
pipeline_client = PipelineClient(server_address)
# Setup the pipeline config. Use the simulation camera as the pipeline source.
pipeline_config = {"camera_name": "simulation"}
# Create a new pipeline with the provided configuration. Stream address in format tcp://hostname:port.
instance_id, pipeline_stream_address = pipeline_client.create_instance_from_config(
pipeline_config)
# Extract the stream hostname and port from the stream address.
pipeline_host, pipeline_port = get_host_port_from_stream_address(
pipeline_stream_address)
# Subscribe to the stream.
with source(host=pipeline_host, port=pipeline_port,
mode=SUB) as stream:
# Receive next message.
data = stream.receive()
image_width = data.data.data["width"].value
image_height = data.data.data["height"].value
image_bytes = data.data.data["image"].value
print("Image size: %d x %d" % (image_width, image_height))
print("Image data: %s" % image_bytes)
x_size, y_size = get_simulated_camera().get_geometry()
self.assertIsNotNone(data)
self.assertEqual(image_width, x_size)
self.assertIsNotNone(image_height, y_size)
def test_create_pipeline_with_background(self):
from cam_server import PipelineClient
from cam_server.utils import get_host_port_from_stream_address
from bsread import source, SUB
# Change to match your pipeline server
server_address = "http://0.0.0.0:8889"
camera_name = "simulation"
# Initialize the client.
pipeline_client = PipelineClient(server_address)
# Collect the background for the given camera.
background_id = pipeline_client.collect_background(camera_name)
# Setup the pipeline config. Use the simulation camera as the pipeline source, and the collected background.
pipeline_config = {
"camera_name": camera_name,
"background_id": background_id
}
# Create a new pipeline with the provided configuration. Stream address in format tcp://hostname:port.
instance_id, pipeline_stream_address = pipeline_client.create_instance_from_config(
pipeline_config)
# Extract the stream hostname and port from the stream address.
pipeline_host, pipeline_port = get_host_port_from_stream_address(
pipeline_stream_address)
# Subscribe to the stream.
with source(host=pipeline_host, port=pipeline_port,
mode=SUB) as stream:
# Receive next message.
data = stream.receive()
image_width = data.data.data["width"].value
image_height = data.data.data["height"].value
image_bytes = data.data.data["image"].value
print("Image size: %d x %d" % (image_width, image_height))
print("Image data: %s" % image_bytes)
x_size, y_size = get_simulated_camera().get_geometry()
self.assertIsNotNone(data)
self.assertEqual(image_width, x_size)
self.assertIsNotNone(image_height, y_size)
def test_modify_camera_config(self):
self.cam_client.set_camera_config(
"test_camera",
self.cam_client.get_camera_config("camera_example_2"))
from cam_server import CamClient
# Initialize the camera client.
cam_client = CamClient()
cam_client = self.cam_client
# Print the list of available cameras.
print(cam_client.get_cameras())
# Put the name of the camera you want to modify.
camera_to_modify = "test_camera"
# Retrieve the camera config.
camera_config = cam_client.get_camera_config(camera_to_modify)
# Change the mirror_x setting.
camera_config["mirror_x"] = False
# Change the camera_calibration setting.
camera_config["camera_calibration"] = {
"reference_marker": [0, 0, 100, 100],
"reference_marker_width": 100.0,
"reference_marker_height": 100.0,
"angle_horizontal": 0.0,
"angle_vertical": 0.0
}
# Save the camera configuration.
cam_client.set_camera_config(camera_to_modify, camera_config)
# You can also save the same (or another) config under a different camera name.
cam_client.set_camera_config("camera_to_delete", camera_config)
# And also delete camera configs.
cam_client.delete_camera_config("camera_to_delete")
def test_modify_pipeline_config(self):
self.pipeline_client.save_pipeline_config(
"test_pipeline",
self.pipeline_client.get_pipeline_config("pipeline_example_1"))
from cam_server import PipelineClient
# Initialize the pipeline client.
pipeline_client = PipelineClient()
pipeline_client = self.pipeline_client
# Print the list of available pipelines.
print(pipeline_client.get_pipelines())
# Put the name of the pipeline you want to modify.
pipeline_to_modify = "test_pipeline"
# Retrieve the camera config.
pipeline_config = pipeline_client.get_pipeline_config(
pipeline_to_modify)
# Change the image threshold.
pipeline_config["image_threshold"] = 0.5
# Change the image region of interest.
pipeline_config["image_region_of_interest"] = [0, 100, 0, 100]
# Save the camera configuration.
pipeline_client.save_pipeline_config(pipeline_to_modify,
pipeline_config)
# You can also save the same (or another) config under a different camera name.
pipeline_client.save_pipeline_config("pipeline_to_delete",
pipeline_config)
# And also delete camera configs.
pipeline_client.delete_pipeline_config("pipeline_to_delete")
def test_create_camera(self):
# Specify the desired camera config.
camera_config = {
"name": "camera_example_3",
"source": "EPICS:CAM1:EXAMPLE",
"source_type": "epics",
"mirror_x": False,
"mirror_y": False,
"rotate": 0,
"camera_calibration": {
"reference_marker": [0, 0, 100, 100],
"reference_marker_width": 100.0,
"reference_marker_height": 100.0,
"angle_horizontal": 0.0,
"angle_vertical": 0.0
}
}
# Specify the new camera name.
new_camera_name = "new_camera_name"
# Save the camera configuration.
self.cam_client.set_camera_config(new_camera_name, camera_config)
self.assertTrue(new_camera_name in self.cam_client.get_cameras())
# Delete the camera config you just added.
self.cam_client.delete_camera_config(new_camera_name)
self.assertTrue(new_camera_name not in self.cam_client.get_cameras())
def get_single_message(self):
self.pipeline_client.create_instance_from_name("pipeline_example_1",
"simulation_sp1")
# Name of the camera we want to get a message from.
camera_name = "simulation"
# Screen panel defines the instance name as: [CAMERA_NAME]_sp1
instance_name = camera_name + "_sp1"
# Get the data.
data = self.pipeline_client.get_instance_message(instance_name)
self.assertIsNotNone(data)
self.assertTrue("image" in data.data.data)
def test_save_camera_stream_to_h5(self):
from bsread import h5, SUB
camera_name = "simulation"
file_name = "testing_dump.h5"
n_messages = 10
# Change to match your camera server
server_address = "http://0.0.0.0:8889"
client = PipelineClient(server_address)
instance_id, stream_address = client.create_instance_from_config(
{"camera_name": camera_name})
# The output file 'output.h5' has 10 images from the simulation camera stream.
h5.receive(source=stream_address,
file_name=file_name,
mode=SUB,
n_messages=n_messages)
self.assertTrue(os.path.exists(file_name))
