def test_hidden_instantiate(self):
"""
Tests the value of hidden properties given as instantiation parameters
"""
context = self.framework.get_bundle_context()
# Prepare random values
hidden_value = random.randint(0, 100)
public_value = random.randint(0, 100)
# Instantiate the component
with use_ipopo(context) as ipopo:
svc = ipopo.instantiate(self.module.FACTORY_HIDDEN_PROPS, NAME_A, {
"hidden.prop": hidden_value,
"public.prop": public_value
})
# Check default values (and accesses)
self.assertEqual(svc.hidden, hidden_value)
self.assertEqual(svc.public, public_value)
# Check instance details
with use_ipopo(context) as ipopo:
details = ipopo.get_instance_details(NAME_A)
self.assertNotIn("hidden.prop", details["properties"])
def test_hidden_instantiate(self):
"""
Tests the value of hidden properties given as instantiation parameters
"""
context = self.framework.get_bundle_context()
# Prepare random values
hidden_value = random.randint(0, 100)
public_value = random.randint(0, 100)
# Instantiate the component
with use_ipopo(context) as ipopo:
svc = ipopo.instantiate(self.module.FACTORY_HIDDEN_PROPS, NAME_A,
{"hidden.prop": hidden_value,
"public.prop": public_value})
# Check default values (and accesses)
self.assertEqual(svc.hidden, hidden_value)
self.assertEqual(svc.public, public_value)
# Check instance details
with use_ipopo(context) as ipopo:
details = ipopo.get_instance_details(NAME_A)
self.assertNotIn("hidden.prop", details["properties"])
def testConstantContext(self):
"""
Tests ipopo.constants.use_ipopo()
"""
# Try without the bundle
self.assertRaises(pelix.BundleException,
constants.use_ipopo(self.context).__enter__)
# Start the iPOPO bundle
bundle = self.context.install_bundle("pelix.ipopo.core")
bundle.start()
# Get the iPOPO service reference
# (the only one registered in this bundle)
ipopo_ref = bundle.get_registered_services()[0]
# Use it
with constants.use_ipopo(self.context) as ipopo:
# Test the usage information
self.assertIn(self.context.get_bundle(),
ipopo_ref.get_using_bundles(),
"Bundles using iPOPO not updated")
# Get the service the Pelix way
ipopo_svc = self.context.get_service(ipopo_ref)
# Test the service object
self.assertIs(ipopo, ipopo_svc, "Found a different service.")
# Clean up the test usage
self.context.unget_service(ipopo_ref)
ipopo_svc = None
# Re-test the usage information
self.assertIn(self.context.get_bundle(),
ipopo_ref.get_using_bundles(),
"Bundles using iPOPO not kept")
# Test the usage information
self.assertNotIn(self.context.get_bundle(),
ipopo_ref.get_using_bundles(),
"Bundles using iPOPO kept after block")
# Stop the iPOPO bundle
bundle.stop()
# Ensure the service is not accessible anymore
self.assertRaises(pelix.BundleException,
constants.use_ipopo(self.context).__enter__)
# Uninstall the bundle
bundle.uninstall()
# Ensure the service is not accessible anymore
self.assertRaises(pelix.BundleException,
constants.use_ipopo(self.context).__enter__)
def testConstantContext(self):
"""
Tests ipopo.constants.use_ipopo()
"""
# Try without the bundle
self.assertRaises(pelix.BundleException,
constants.use_ipopo(self.context).__enter__)
# Start the iPOPO bundle
bundle = self.context.install_bundle("pelix.ipopo.core")
bundle.start()
# Get the iPOPO service reference
# (the only one registered in this bundle)
ipopo_ref = bundle.get_registered_services()[0]
# Use it
with constants.use_ipopo(self.context) as ipopo:
# Test the usage information
self.assertIn(self.context.get_bundle(),
ipopo_ref.get_using_bundles(),
"Bundles using iPOPO not updated")
# Get the service the Pelix way
ipopo_svc = self.context.get_service(ipopo_ref)
# Test the service object
self.assertIs(ipopo, ipopo_svc, "Found a different service.")
# Clean up the test usage
self.context.unget_service(ipopo_ref)
ipopo_svc = None
# Re-test the usage information
self.assertIn(self.context.get_bundle(),
ipopo_ref.get_using_bundles(),
"Bundles using iPOPO not kept")
# Test the usage information
self.assertNotIn(self.context.get_bundle(),
ipopo_ref.get_using_bundles(),
"Bundles using iPOPO kept after block")
# Stop the iPOPO bundle
bundle.stop()
# Ensure the service is not accessible anymore
self.assertRaises(pelix.BundleException,
constants.use_ipopo(self.context).__enter__)
# Uninstall the bundle
bundle.uninstall()
# Ensure the service is not accessible anymore
self.assertRaises(pelix.BundleException,
constants.use_ipopo(self.context).__enter__)
def display_hook(prompt, session, context, matches, longest_match_len):
# type: (str, ShellSession, BundleContext, List[str], int) -> None
"""
Displays the available services matches and the service details
:param prompt: Shell prompt string
:param session: Current shell session (for display)
:param context: BundleContext of the shell
:param matches: List of words matching the substitution
:param longest_match_len: Length of the largest match
"""
# Prepare a line pattern for each match (-1 for the trailing space)
match_pattern = "{{0: <{}}} from {{1}}".format(longest_match_len - 1)
# Sort matching names
matches = sorted(match for match in matches)
# Print the match and the associated name
session.write_line()
with use_ipopo(context) as ipopo:
for factory_name in matches:
# Remove the spaces added for the completion
factory_name = factory_name.strip()
bnd = ipopo.get_factory_bundle(factory_name)
session.write_line(match_pattern, factory_name,
bnd.get_symbolic_name())
# Print the prompt, then current line
session.write(prompt)
session.write_line_no_feed(readline.get_line_buffer())
readline.redisplay()
def register_factory(
self,
component_class: type,
factory_name: str,
service_names: Union[List[str], str],
properties: dict = None,
) -> type:
"""
Registers provided class as iPOPO component factory.
:param component_class: the class of the components that will be provided by the factory
:param factory_name: the name of the factory
:param service_names: the service(s) that will be provided by the components
:param properties: the properties associated to the factory
:return: the input class, amended by iPOPO
:raise FastDuplicateFactoryError:
"""
obj = Provides(service_names)(component_class)
with use_ipopo(self.context) as ipopo:
if ipopo.is_registered_factory(factory_name):
raise FastDuplicateFactoryError(factory_name)
if properties:
for key, value in properties.items():
obj = Property(field="_" + self._fieldify(key), name=key, value=value)(obj)
factory = ComponentFactory(factory_name)(obj)
# Now factory is registered, ensure its bundle is installed and started
self.context.install_bundle(component_class.__module__).start()
return factory
def complete(
self, config, prompt, session, context, current_arguments, current
):
# type: (CompletionInfo, str, ShellSession, BundleContext, List[str], str) -> List[str]
"""
Returns the list of services IDs matching the current state
:param config: Configuration of the current completion
:param prompt: Shell prompt (for re-display)
:param session: Shell session (to display in shell)
:param context: Bundle context of the Shell bundle
:param current_arguments: Current arguments (without the command itself)
:param current: Current word
:return: A list of matches
"""
# Register a method to display helpful completion
self.set_display_hook(self.display_hook, prompt, session, context)
# Return a list of component factories
with use_ipopo(context) as ipopo:
return [
"{} ".format(name)
for name, _, _ in ipopo.get_instances()
if name.startswith(current)
]
def main():
"""
Runs the framework
"""
# Create the framework
fw = create_framework(
('pelix.ipopo.core', 'pelix.shell.core', 'pelix.shell.ipopo',
'pelix.shell.console', 'dataclass_bundle'))
# Start the framework and wait for it to stop
fw.start()
# Register a service
ctx = fw.get_bundle_context()
test_svc = object()
ctx.register_service("dataclass.check", test_svc, {})
# Start components
with use_ipopo(ctx) as ipopo:
before = ipopo.instantiate("dataclass.before", "before", {})
after = ipopo.instantiate("dataclass.after", "after", {})
print("CHECK 'before' injection:", before.requirement is test_svc)
print("CHECK 'after' injection:", after.requirement is test_svc)
print("before:")
print(repr(before))
print()
print("after:")
print(repr(after))
fw.wait_for_stop()
def remove(self, component):
# type: (str) -> None
"""
Kills/Removes the component with the given name
:param component: A component name
:raise KeyError: Unknown component
"""
with self.__lock:
# Find its factory
factory = self.__names.pop(component)
components = self.__queue[factory]
# Clear the queue
del components[component]
if not components:
# No more component for this factory
del self.__queue[factory]
# Kill the component
try:
with use_ipopo(self.__context) as ipopo:
# Try to instantiate the component right now
ipopo.kill(component)
except (BundleException, ValueError):
# iPOPO not yet started or component not instantiated
pass
def load_framework(transport, components):
"""
Starts a Pelix framework in the local process
:param transport: Name of the transport bundle to install
:param components: Tuples (factory, name) of instances to start
"""
all_bundles = [
'pelix.ipopo.core', 'pelix.http.basic', 'pelix.remote.dispatcher',
'pelix.remote.registry', 'pelix.remote.discovery.multicast', transport
]
# Start the framework
framework = create_framework(all_bundles)
framework.start()
with use_ipopo(framework.get_bundle_context()) as ipopo:
# Start a HTTP service on a random port
ipopo.instantiate(pelix.http.FACTORY_HTTP_BASIC, "http-server",
{pelix.http.HTTP_SERVICE_PORT: 0})
ipopo.instantiate(pelix.remote.FACTORY_REGISTRY_SERVLET,
"dispatcher-servlet",
{pelix.http.HTTP_SERVICE_PORT: 0})
# Start the multicast discovery
ipopo.instantiate(pelix.remote.FACTORY_DISCOVERY_MULTICAST,
"multicast-discovery")
# Start other components
for factory, name in components:
ipopo.instantiate(factory, name)
return framework
def main(server, port, jid=None, password=None, use_tls=False, use_ssl=False):
"""
Starts a framework with a remote shell and starts an interactive console.
:param server: XMPP server host
:param port: XMPP server port
:param jid: Shell JID
:param password: Shell JID password
:param use_tls: Use STARTTLS
:param use_ssl: Use an SSL connection
"""
# Start a Pelix framework
framework = pelix.framework.create_framework(('pelix.ipopo.core',
'pelix.shell.core',
'pelix.shell.ipopo',
'pelix.shell.console',
'pelix.shell.xmpp'))
framework.start()
context = framework.get_bundle_context()
# Instantiate a Remote Shell
with use_ipopo(context) as ipopo:
ipopo.instantiate(pelix.shell.FACTORY_XMPP_SHELL, "xmpp-shell",
{"shell.xmpp.server": server,
"shell.xmpp.port": port,
"shell.xmpp.jid": jid,
"shell.xmpp.password": password,
"shell.xmpp.tls": use_tls,
"shell.xmpp.ssl": use_ssl})
try:
framework.wait_for_stop()
except KeyboardInterrupt:
# Stop server on interruption
framework.stop()
def _setup_bridge(self, event_filter, mqtt_prefix):
"""
Instantiates the MQTT Event Admin bridge
:param event_filter: Filter on EventAdmin topics
:param mqtt_prefix: Prefix to use in MQTT topics
"""
context = self.framework.get_bundle_context()
context.install_bundle("pelix.services.eventadmin_mqtt").start()
name = "mqtt-bridge"
with use_ipopo(context) as ipopo:
ipopo.instantiate(
pelix.services.FACTORY_EVENT_ADMIN_MQTT,
"mqtt-bridge",
{pelix.services.PROP_EVENT_TOPICS: event_filter,
"mqtt.host": self.HOST, "mqtt.port": self.PORT,
"mqtt.topic.prefix": mqtt_prefix}
)
# Wait for it
svc_ref = None
while svc_ref is None:
svc_ref = context.get_service_reference(
pelix.services.SERVICE_EVENT_HANDLER,
"(instance.name={})".format(name))
def main(server, port, jid=None, password=None, use_tls=False, use_ssl=False):
"""
Starts a framework with a remote shell and starts an interactive console.
:param server: XMPP server host
:param port: XMPP server port
:param jid: Shell JID
:param password: Shell JID password
:param use_tls: Use STARTTLS
:param use_ssl: Use an SSL connection
"""
# Start a Pelix framework
framework = pelix.framework.create_framework(
('pelix.ipopo.core', 'pelix.shell.core', 'pelix.shell.ipopo',
'pelix.shell.console', 'pelix.shell.xmpp'))
framework.start()
context = framework.get_bundle_context()
# Instantiate a Remote Shell
with use_ipopo(context) as ipopo:
ipopo.instantiate(
pelix.shell.FACTORY_XMPP_SHELL, "xmpp-shell", {
"shell.xmpp.server": server,
"shell.xmpp.port": port,
"shell.xmpp.jid": jid,
"shell.xmpp.password": password,
"shell.xmpp.tls": use_tls,
"shell.xmpp.ssl": use_ssl
})
try:
framework.wait_for_stop()
except KeyboardInterrupt:
# Stop server on interruption
framework.stop()
def load_framework(app_id, transport, components):
"""
Starts a Pelix framework in the local process
:param app_id: Application ID
:param transport: Name of the transport bundle to install
:param components: Tuples (factory, name) of instances to start
"""
all_bundles = ['pelix.ipopo.core',
'pelix.remote.dispatcher',
'pelix.remote.registry',
'pelix.remote.discovery.mqtt',
transport]
# Start the framework
framework = create_framework(all_bundles)
framework.start()
with use_ipopo(framework.get_bundle_context()) as ipopo:
# Start the MQTT discovery
ipopo.instantiate(pelix.remote.FACTORY_DISCOVERY_MQTT,
"mqtt-discovery", {"mqtt.host": MQTT_SERVER,
"application.id": app_id})
# Start other components
for factory, name in components:
ipopo.instantiate(factory, name, {"mqtt.host": MQTT_SERVER})
return framework
def complete(
self, config, prompt, session, context, current_arguments, current
):
# type: (CompletionInfo, str, ShellSession, BundleContext, List[str], str) -> List[str]
"""
Returns the list of services IDs matching the current state
:param config: Configuration of the current completion
:param prompt: Shell prompt (for re-display)
:param session: Shell session (to display in shell)
:param context: Bundle context of the Shell bundle
:param current_arguments: Current arguments (without the command itself)
:param current: Current word
:return: A list of matches
"""
# Register a method to display helpful completion
self.set_display_hook(self.display_hook, prompt, session, context)
# Return a list of component factories
with use_ipopo(context) as ipopo:
return [
"{} ".format(name)
for name, _, _ in ipopo.get_instances()
if name.startswith(current)
]
def testLifeCycle(self):
"""
Tests the instantiation of a components
"""
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
# Instantiate a dummy component (from test.ipopo.ipopo_bundle)
factory = "ipopo.tests.a"
name = "component-shell-test"
# Check if we're clear
self.assertFalse(ipopo.is_registered_instance(name))
# Instantiate the component
self._run_command("instantiate {0} {1}", factory, name)
# Check that the component is instantiated
self.assertTrue(ipopo.is_registered_instance(name))
# Instantiate it a second time (no exception must raise)
self._run_command("instantiate {0} {1}", factory, name)
# Kill it
self._run_command("kill {0}", name)
# Check that it is dead
self.assertFalse(ipopo.is_registered_instance(name))
# Kill it a second time (no exception must raise)
self._run_command("kill {0}", name)
def testLifeCycle(self):
"""
Tests the instantiation of a components
"""
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
# Instantiate a dummy component (from test.ipopo.ipopo_bundle)
factory = "ipopo.tests.a"
name = "component-shell-test"
# Check if we're clear
self.assertFalse(ipopo.is_registered_instance(name))
# Instantiate the component
self._run_command("instantiate {0} {1}", factory, name)
# Check that the component is instantiated
self.assertTrue(ipopo.is_registered_instance(name))
# Instantiate it a second time (no exception must raise)
self._run_command("instantiate {0} {1}", factory, name)
# Kill it
self._run_command("kill {0}", name)
# Check that it is dead
self.assertFalse(ipopo.is_registered_instance(name))
# Kill it a second time (no exception must raise)
self._run_command("kill {0}", name)
def test_bundle(self):
"""
Tests the detection of the calling bundle
"""
# Install a test bundle
context = self.framework.get_bundle_context()
bnd = context.install_bundle("tests.misc.log_bundle")
module = bnd.get_module()
bnd.start()
# Instantiate a test component
with use_ipopo(context) as ipopo:
comp = ipopo.instantiate(module.SIMPLE_FACTORY, "test.log", {})
# Log something
comp.log(logging.WARNING, "Some log")
# Check the bundle
latest = self.service.get_log()[-1]
self.assertIs(latest.bundle, bnd, "Wrong bundle found")
# Check if the bundle in the string representation
self.assertIn(bnd.get_symbolic_name(), str(latest))
# Remove the name of the module
comp.remove_name()
# Log something
comp.log(logging.WARNING, "Some log")
# Check the bundle
latest = self.service.get_log()[-1]
self.assertIsNone(latest.bundle, "Wrong bundle found")
def testHandlerInheritance(self):
"""
Tests the inheritance of handlers
"""
# Register factories
context = self.framework.get_bundle_context()
with use_ipopo(context) as ipopo:
for factory in (ChildAll, ChildNoProvides, ChildExtendProvides,
ChildReplaceProvides):
ipopo.register_factory(context, factory)
# Check behavior of "child all"
component = ipopo.instantiate(FACTORY_ALL, 'all', {})
self.assertProvides(SPEC_PARENT, component)
self.assertNotProvides(SPEC_CHILD, component)
# No service provided
component = ipopo.instantiate(FACTORY_NO_PROVIDE, 'no_service', {})
self.assertNotProvides(SPEC_PARENT, component)
self.assertNotProvides(SPEC_CHILD, component)
# Service replaced
component = ipopo.instantiate(FACTORY_REPLACE_PROVIDE,
'replacement', {})
self.assertNotProvides(SPEC_PARENT, component)
self.assertProvides(SPEC_CHILD, component)
# Service added
component = ipopo.instantiate(FACTORY_EXTEND_PROVIDE, 'addition',
{})
self.assertProvides(SPEC_PARENT, component)
self.assertProvides(SPEC_CHILD, component)
def setUp(self):
"""
Prepares a framework and a registers a service to export
"""
# Create the framework
self.framework = pelix.framework.create_framework(
["pelix.ipopo.core",
"pelix.shell.core", "pelix.rsa.shell",
"pelix.http.basic",
"pelix.rsa.remoteserviceadmin",
"pelix.rsa.providers.distribution.xmlrpc"],
{"ecf.xmlrpc.server.hostname": "localhost"})
self.framework.start()
# Start an HTTP server, required by XML-RPC
context = self.framework.get_bundle_context()
with use_ipopo(context) as ipopo:
ipopo.instantiate(
'pelix.http.service.basic.factory',
'http-server',
{'pelix.http.address': 'localhost',
'pelix.http.port': 0})
# Get the shell service
svc_ref = context.get_service_reference(SERVICE_SHELL)
self.shell = context.get_service(svc_ref)
def test_unsigned_client(self):
"""
Tests connection with an unsigned client
"""
# Get the path of the server certificates
ca_chain = os.path.join(TMP_DIR, "ca.crt")
srv_cert = os.path.join(TMP_DIR, "server.crt")
srv_key = os.path.join(TMP_DIR, "server.key")
client_cert = os.path.join(TMP_DIR, "client_other.crt")
client_key = os.path.join(TMP_DIR, "client.key")
# Start the remote shell
context = self.framework.get_bundle_context()
with use_ipopo(context) as ipopo:
self.remote = ipopo.instantiate(
FACTORY_REMOTE_SHELL, "remoteShell",
{'pelix.shell.address': '127.0.0.1',
'pelix.shell.port': 9000,
'pelix.shell.ssl.ca': ca_chain,
'pelix.shell.ssl.cert': srv_cert,
'pelix.shell.ssl.key': srv_key})
# Create a client
client = TLSShellClient(
self.remote.get_ps1(), self.fail, client_cert, client_key)
try:
self.assertRaises(
ssl.SSLError, client.connect, self.remote.get_access())
finally:
client.close()
def add(self, factory, component, properties=None):
# type: (str, str, dict) -> None
"""
Enqueues the instantiation of the given component
:param factory: Factory name
:param component: Component name
:param properties: Component properties
:raise ValueError: Component name already reserved in the queue
:raise Exception: Error instantiating the component
"""
with self.__lock:
if component in self.__names:
raise ValueError(
"Component name already queued: {0}".format(component))
# Normalize properties
if properties is None:
properties = {}
# Store component description
self.__names[component] = factory
self.__queue.setdefault(factory, {})[component] = properties
try:
with use_ipopo(self.__context) as ipopo:
# Try to instantiate the component right now
self._try_instantiate(ipopo, factory, component)
except BundleException:
# iPOPO not yet started
pass
def handle_ipopo_event(self, event):
# type: (IPopoEvent) -> None
"""
Handles an iPOPO event
:param event: iPOPO event bean
"""
kind = event.get_kind()
if kind == IPopoEvent.REGISTERED:
# A factory has been registered
try:
with use_ipopo(self.__context) as ipopo:
factory = event.get_factory_name()
with self.__lock:
# Copy the list of components names for this factory
components = self.__queue[factory].copy()
for component in components:
self._try_instantiate(ipopo, factory, component)
except BundleException:
# iPOPO not yet started
pass
except KeyError:
# No components for this new factory
pass
def load_framework(app_id, transport, components):
"""
Starts a Pelix framework in the local process
:param app_id: Application ID
:param transport: Name of the transport bundle to install
:param components: Tuples (factory, name) of instances to start
"""
all_bundles = ['pelix.ipopo.core',
'pelix.remote.dispatcher',
'pelix.remote.registry',
'pelix.remote.discovery.mqtt',
transport]
# Start the framework
framework = create_framework(all_bundles)
framework.start()
with use_ipopo(framework.get_bundle_context()) as ipopo:
# Start the MQTT discovery
ipopo.instantiate(pelix.remote.FACTORY_DISCOVERY_MQTT,
"mqtt-discovery", {"mqtt.host": MQTT_SERVER,
"application.id": app_id})
# Start other components
for factory, name in components:
ipopo.instantiate(factory, name, {"mqtt.host": MQTT_SERVER})
return framework
def main():
"""
Runs the framework
"""
# Create the framework
fw = create_framework(
('pelix.ipopo.core', 'pelix.shell.core',
'pelix.shell.ipopo', 'pelix.shell.console',
'dataclass_bundle'))
# Start the framework and wait for it to stop
fw.start()
# Register a service
ctx = fw.get_bundle_context()
test_svc = object()
ctx.register_service("dataclass.check", test_svc, {})
# Start components
with use_ipopo(ctx) as ipopo:
before = ipopo.instantiate("dataclass.before", "before", {})
after = ipopo.instantiate("dataclass.after", "after", {})
print("CHECK 'before' injection:", before.requirement is test_svc)
print("CHECK 'after' injection:", after.requirement is test_svc)
print("before:")
print(repr(before))
print()
print("after:")
print(repr(after))
fw.wait_for_stop()
def main():
"""
Starts a Pelix framework and waits for it to stop
"""
# Prepare the framework, with iPOPO and the shell console
# Warning: we only use the first argument of this method, a list of bundles
logging.info("Preparing framework")
print("Preparing framework")
framework = pelix.framework.create_framework((
"pelix.ipopo.core", # iPOPO
"pelix.shell.core", # Shell core (engine) # "pelix.shell.console",# Text console
"pelix.shell.remote",
"pelix.http.basic",
))
# Start the framework, and the pre-installed bundles
logging.info("Starting framework")
print("Starting framework")
framework.start()
# Get the bundle context of the framework, i.e. the link between the
# framework starter and its content.
context = framework.get_bundle_context()
context.add_framework_stop_listener(StopListener())
with use_ipopo(context) as ipopo:
ipopo.instantiate(pelix.shell.FACTORY_REMOTE_SHELL,
'remote-shell',
{})
ipopo.instantiate('pelix.http.service.basic.factory',
'http-server',
{
'pelix.http.address': '192.168.1.101', # TODO Utiliser un fichier de conf
'pelix.http.port': 3737 # TODO Utiliser un fichier de conf
})
logging.info("Installing PV bundle")
print("Installing PV bundle")
context.install_bundle("pvPanelsServlet").start()
logging.info("PV bundle installed")
print("PV bundle installed")
cad = pifacecad.PiFaceCAD()
while True:
cad.lcd.clear()
cad.lcd.cursor_off()
cad.lcd.blink_off()
cad.lcd.backlight_off()
co2 = get_co2_value()
cad.lcd.write("IP:{}\n".format(run_cmd(GET_IP_CMD)[:-1]))
cad.lcd.write("CO2:" + co2 + "\n")
# TODO Utiliser les interruptions pour capter l'appui
if cad.switches[4].value == 1:
cad.lcd.backlight_on()
sleep(5) # TODO Utiliser une variable + fichier de conf
def test_bundle(self):
"""
Tests the detection of the calling bundle
"""
# Install a test bundle
context = self.framework.get_bundle_context()
bnd = context.install_bundle("tests.misc.log_bundle")
module = bnd.get_module()
bnd.start()
# Instantiate a test component
with use_ipopo(context) as ipopo:
comp = ipopo.instantiate(module.SIMPLE_FACTORY, "test.log", {})
# Log something
comp.log(logging.WARNING, "Some log")
# Check the bundle
latest = self.service.get_log()[-1]
self.assertIs(latest.bundle, bnd, "Wrong bundle found")
# Check if the bundle in the string representation
self.assertIn(bnd.get_symbolic_name(), str(latest))
# Remove the name of the module
comp.remove_name()
# Log something
comp.log(logging.WARNING, "Some log")
# Check the bundle
latest = self.service.get_log()[-1]
self.assertIsNone(latest.bundle, "Wrong bundle found")
def remove(self, component):
"""
Kills/Removes the component with the given name
:param component: A component name
:raise KeyError: Unknown component
"""
with self.__lock:
# Find its factory
factory = self.__names.pop(component)
components = self.__queue[factory]
# Clear the queue
del components[component]
if not components:
# No more component for this factory
del self.__queue[factory]
# Kill the component
try:
with use_ipopo(self.__context) as ipopo:
# Try to instantiate the component right now
ipopo.kill(component)
except (BundleException, ValueError):
# iPOPO not yet started or component not instantiated
pass
def testInvalidConfiguration(self):
"""
Tests the instantiation of the remote shell with invalid port
"""
import logging
logging.basicConfig(level=logging.DEBUG)
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
# Check invalid ports
for port in (-1, 100000, '-100', '65536', 'Abc', None):
remote = ipopo.instantiate(FACTORY_REMOTE_SHELL,
"remoteShell_test",
{'pelix.shell.port': port})
# Check that the port is in a valid range
self.assertGreater(remote.get_access()[1], 0)
self.assertLess(remote.get_access()[1], 65536)
ipopo.kill("remoteShell_test")
# Check empty addresses
for address in (None, ''):
remote = ipopo.instantiate(FACTORY_REMOTE_SHELL,
"remoteShell_test",
{'pelix.shell.address': address,
'pelix.shell.port': 0})
# Check that the address has been selected anyway
self.assertTrue(remote.get_access()[0])
ipopo.kill("remoteShell_test")
def display_hook(prompt, session, context, matches, longest_match_len):
# type: (str, ShellSession, BundleContext, List[str], int) -> None
"""
Displays the available services matches and the service details
:param prompt: Shell prompt string
:param session: Current shell session (for display)
:param context: BundleContext of the shell
:param matches: List of words matching the substitution
:param longest_match_len: Length of the largest match
"""
# Prepare a line pattern for each match (-1 for the trailing space)
match_pattern = "{{0: <{}}} from {{1}}".format(longest_match_len - 1)
# Sort matching names
matches = sorted(match for match in matches)
# Print the match and the associated name
session.write_line()
with use_ipopo(context) as ipopo:
for factory_name in matches:
# Remove the spaces added for the completion
factory_name = factory_name.strip()
bnd = ipopo.get_factory_bundle(factory_name)
session.write_line(
match_pattern, factory_name, bnd.get_symbolic_name()
)
# Print the prompt, then current line
session.write(prompt)
session.write_line_no_feed(readline.get_line_buffer())
readline.redisplay()
def testHandlerInheritance(self):
"""
Tests the inheritance of handlers
"""
# Register factories
context = self.framework.get_bundle_context()
with use_ipopo(context) as ipopo:
for factory in (ChildAll, ChildNoProvides, ChildExtendProvides,
ChildReplaceProvides):
ipopo.register_factory(context, factory)
# Check behavior of "child all"
component = ipopo.instantiate(FACTORY_ALL, 'all', {})
self.assertProvides(SPEC_PARENT, component)
self.assertNotProvides(SPEC_CHILD, component)
# No service provided
component = ipopo.instantiate(FACTORY_NO_PROVIDE, 'no_service', {})
self.assertNotProvides(SPEC_PARENT, component)
self.assertNotProvides(SPEC_CHILD, component)
# Service replaced
component = ipopo.instantiate(FACTORY_REPLACE_PROVIDE,
'replacement', {})
self.assertNotProvides(SPEC_PARENT, component)
self.assertProvides(SPEC_CHILD, component)
# Service added
component = ipopo.instantiate(FACTORY_EXTEND_PROVIDE,
'addition', {})
self.assertProvides(SPEC_PARENT, component)
self.assertProvides(SPEC_CHILD, component)
def testInvalidConfiguration(self):
"""
Tests the instantiation of the remote shell with invalid port
"""
import logging
logging.basicConfig(level=logging.DEBUG)
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
# Check invalid ports
for port in (-1, 100000, '-100', '65536', 'Abc', None):
remote = ipopo.instantiate(FACTORY_REMOTE_SHELL,
"remoteShell_test",
{'pelix.shell.port': port})
# Check that the port is in a valid range
self.assertGreater(remote.get_access()[1], 0)
self.assertLess(remote.get_access()[1], 65536)
ipopo.kill("remoteShell_test")
# Check empty addresses
for address in (None, ''):
remote = ipopo.instantiate(FACTORY_REMOTE_SHELL,
"remoteShell_test", {
'pelix.shell.address': address,
'pelix.shell.port': 0
})
# Check that the address has been selected anyway
self.assertTrue(remote.get_access()[0])
ipopo.kill("remoteShell_test")
def handle_ipopo_event(self, event):
"""
Handles an iPOPO event
:param event: iPOPO event bean
"""
kind = event.get_kind()
if kind == IPopoEvent.REGISTERED:
# A factory has been registered
try:
with use_ipopo(self.__context) as ipopo:
factory = event.get_factory_name()
with self.__lock:
# Copy the list of components names for this factory
components = self.__queue[factory].copy()
for component in components:
self._try_instantiate(ipopo, factory, component)
except BundleException:
# iPOPO not yet started
pass
except KeyError:
# No components for this new factory
pass
def setUp(self):
"""
Prepares a framework and a registers a service to export
"""
# Create the framework
self.framework = pelix.framework.create_framework(
["pelix.ipopo.core", "pelix.http.basic",
"pelix.rsa.remoteserviceadmin",
"pelix.rsa.providers.distribution.xmlrpc"],
{"ecf.xmlrpc.server.hostname": "localhost"})
self.framework.start()
# Get the RSA service
context = self.framework.get_bundle_context()
self.rsa = context.get_service(
context.get_service_reference(
rsa.SERVICE_REMOTE_SERVICE_ADMIN)) # type: rsa.RemoteServiceAdminImpl
# Start an HTTP server, required by XML-RPC
with use_ipopo(context) as ipopo:
ipopo.instantiate(
'pelix.http.service.basic.factory',
'http-server',
{'pelix.http.address': 'localhost',
'pelix.http.port': 0})
def testPrinter(self):
"""
Tests the topics filtering
"""
# Start the printer
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
ipopo.instantiate(pelix.misc.FACTORY_EVENT_ADMIN_PRINTER,
"evtPrinter",
{pelix.services.PROP_EVENT_TOPICS: '/titi/*',
'evt.log': True, 'evt.print': True})
# Send events, with a matching topic
for topic in ('/titi/toto', '/titi/', '/titi/toto/tata'):
# Clear the log I/O
self.log_io.truncate(0)
# Send the event
self.eventadmin.send(topic)
# Check the log
output = self.log_io.getvalue()
self.assertIn(topic, output)
# Send events, with a non-matching topic
for topic in ('/toto/titi/42', '/titi', '/toto/42'):
# Clear the log I/O
self.log_io.truncate(0)
# Send the event
self.eventadmin.send(topic)
# Check the log
output = self.log_io.getvalue()
self.assertNotIn(topic, output)
def register_factory(
self,
component_class: Type[T],
factory_name: str,
service_names: Union[List[str], str],
properties: dict = None,
) -> Type[T]:
"""
Registers provided class as iPOPO component factory.
:param component_class: the class of the components that will be provided by the factory
:param factory_name: the name of the factory
:param service_names: the service(s) that will be provided by the components
:param properties: the properties associated to the factory
:return: the input class, amended by iPOPO
:raise FastDuplicateFactoryError:
"""
obj = Provides(service_names)(component_class)
with use_ipopo(self.context) as ipopo:
if ipopo.is_registered_factory(factory_name):
raise FastBundleLoaderDuplicateFactoryError(factory_name)
if properties:
for key, value in properties.items():
obj = Property(field="_" + self._fieldify(key),
name=key,
value=value)(obj)
factory = ComponentFactory(factory_name)(obj)
return factory
def testDualRemoteShell(self):
"""
Tests with a second remote shell component
"""
# Start the remote shell, on a random port
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
remote_2 = ipopo.instantiate(FACTORY_REMOTE_SHELL, "remoteShell_2",
{'pelix.shell.address': '127.0.0.1',
'pelix.shell.port': 0})
# Accesses should be different
self.assertNotEqual(self.remote.get_access(), remote_2.get_access())
# Create clients
client_1 = ShellClient(self.remote.get_banner(), self.remote.get_ps1(),
self.fail)
client_2 = ShellClient(remote_2.get_banner(), remote_2.get_ps1(),
self.fail)
# Connect them to the remote shell
client_1.connect(self.remote.get_access())
client_2.connect(remote_2.get_access())
try:
for command in ('bl', 'bd 0', 'sl', 'sd 1'):
# Get clients outputs
client_1_output = client_1.run_command(command)
client_2_output = client_2.run_command(command)
# Compare them
self.assertEqual(client_1_output, client_2_output)
finally:
# Close the client in any case
client_1.close()
client_2.close()
def testDualRemoteShell(self):
"""
Tests with a second remote shell component
"""
# Start the remote shell, on a random port
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
remote_2 = ipopo.instantiate(FACTORY_REMOTE_SHELL, "remoteShell_2",
{'pelix.shell.address': '127.0.0.1',
'pelix.shell.port': 0})
# Accesses should be different
self.assertNotEqual(self.remote.get_access(), remote_2.get_access())
# Create clients
client_1 = ShellClient(self.remote.get_banner(), self.remote.get_ps1(),
self.fail)
client_2 = ShellClient(remote_2.get_banner(), remote_2.get_ps1(),
self.fail)
# Connect them to the remote shell
client_1.connect(self.remote.get_access())
client_2.connect(remote_2.get_access())
try:
for command in ('bl', 'bd 0', 'sl', 'sd 1'):
# Get clients outputs
client_1_output = client_1.run_command(command)
client_2_output = client_2.run_command(command)
# Compare them
self.assertEqual(client_1_output, client_2_output)
finally:
# Close the client in any case
client_1.close()
client_2.close()
def add(self, factory, component, properties=None):
"""
Enqueues the instantiation of the given component
:param factory: Factory name
:param component: Component name
:param properties: Component properties
:raise ValueError: Component name already reserved in the queue
:raise Exception: Error instantiating the component
"""
with self.__lock:
if component in self.__names:
raise ValueError("Component name already queued: {0}"
.format(component))
# Normalize properties
if properties is None:
properties = {}
# Store component description
self.__names[component] = factory
self.__queue.setdefault(factory, {})[component] = properties
try:
with use_ipopo(self.__context) as ipopo:
# Try to instantiate the component right now
self._try_instantiate(ipopo, factory, component)
except BundleException:
# iPOPO not yet started
pass
def service_changed(self, event):
"""
Handles an event about the iPOPO service
"""
kind = event.get_kind()
if kind == ServiceEvent.REGISTERED:
# iPOPO service registered: register to factory events
with use_ipopo(self.__context) as ipopo:
ipopo.add_listener(self)
def service_changed(self, event):
"""
Handles an event about the iPOPO service
"""
kind = event.get_kind()
if kind == ServiceEvent.REGISTERED:
# iPOPO service registered: register to factory events
with use_ipopo(self.__context) as ipopo:
ipopo.add_listener(self)
def test_hidden_default(self):
"""
Tests the hidden property
"""
context = self.framework.get_bundle_context()
# Instantiate the component
with use_ipopo(context) as ipopo:
svc = ipopo.instantiate(self.module.FACTORY_HIDDEN_PROPS, NAME_A)
# Check default values (and accesses)
self.assertEqual(svc.hidden, "hidden")
self.assertEqual(svc.public, "public")
# Check instance details
with use_ipopo(context) as ipopo:
details = ipopo.get_instance_details(NAME_A)
self.assertNotIn("hidden.prop", details["properties"])
def instantiate_components(self, context):
"""
Instantiate the defined components
:param context: A :class:`~pelix.framework.BundleContext` object
:raise BundleException: Error starting a component
"""
with use_ipopo(context) as ipopo:
for name, (factory, properties) in self.__state.components.items():
ipopo.instantiate(factory, name, properties)
def instantiate_components(self, context):
"""
Instantiate the defined components
:param context: A :class:`~pelix.framework.BundleContext` object
:raise BundleException: Error starting a component
"""
with use_ipopo(context) as ipopo:
for name, (factory, properties) in self.__state.components.items():
ipopo.instantiate(factory, name, properties)
def test_hidden_default(self):
"""
Tests the hidden property
"""
context = self.framework.get_bundle_context()
# Instantiate the component
with use_ipopo(context) as ipopo:
svc = ipopo.instantiate(self.module.FACTORY_HIDDEN_PROPS, NAME_A)
# Check default values (and accesses)
self.assertEqual(svc.hidden, "hidden")
self.assertEqual(svc.public, "public")
# Check instance details
with use_ipopo(context) as ipopo:
details = ipopo.get_instance_details(NAME_A)
self.assertNotIn("hidden.prop", details["properties"])
def run_framework(framework, http_port, on_stop):
"""
Handles Pelix framework starting and main loop.
Waits for the framework to stop before stopping Qt and returning.
This method should be executed in a new thread.
:param framework: The Pelix framework to run
:param http_port: Port the HTTP server will listen on
:param on_stop: Method to call once the framework has stopped
"""
try:
# Start the framework
context = framework.get_bundle_context()
framework.start()
# Instantiate components...
with use_ipopo(context) as ipopo:
# EventAdmin
ipopo.instantiate("pelix-services-eventadmin-factory",
"pelix-services-eventadmin", {})
# HTTP Service
ipopo.instantiate("pelix.http.service.basic.factory",
"pelix.http.service.basic",
{"pelix.http.port": http_port})
# Remote services
ipopo.instantiate("pelix-remote-dispatcher-servlet-factory",
"pelix-remote-dispatcher-servlet", {})
ipopo.instantiate("pelix-jsonrpc-exporter-factory",
"pelix-jsonrpc-exporter", {})
ipopo.instantiate("pelix-jsonrpc-importer-factory",
"pelix-jsonrpc-importer", {})
ipopo.instantiate("pelix-remote-discovery-multicast-factory",
"pelix-remote-discovery-multicast", {})
# Install other bundles
context.install_bundle("core.bridges").start()
context.install_bundle("core.frame").start()
context.install_bundle('core.framework_info').start()
context.install_bundle('core.probe').start()
bundles, _ = context.install_package('./details')
for bundle in bundles:
bundle.start()
# Wait for stop then delete the framework
framework.wait_for_stop()
finally:
# Notify that the framework has stopped
if on_stop is not None:
on_stop()
def run_framework(framework, http_port, on_stop):
"""
Handles Pelix framework starting and main loop.
Waits for the framework to stop before stopping Qt and returning.
This method should be executed in a new thread.
:param framework: The Pelix framework to run
:param http_port: Port the HTTP server will listen on
:param on_stop: Method to call once the framework has stopped
"""
try:
# Start the framework
context = framework.get_bundle_context()
framework.start()
# Instantiate components...
with use_ipopo(context) as ipopo:
# EventAdmin
ipopo.instantiate("pelix-services-eventadmin-factory",
"pelix-services-eventadmin", {})
# HTTP Service
ipopo.instantiate("pelix.http.service.basic.factory",
"pelix.http.service.basic",
{"pelix.http.port": http_port})
# Remote services
ipopo.instantiate("pelix-remote-dispatcher-servlet-factory",
"pelix-remote-dispatcher-servlet", {})
ipopo.instantiate("pelix-jsonrpc-exporter-factory",
"pelix-jsonrpc-exporter", {})
ipopo.instantiate("pelix-jsonrpc-importer-factory",
"pelix-jsonrpc-importer", {})
ipopo.instantiate("pelix-remote-discovery-multicast-factory",
"pelix-remote-discovery-multicast", {})
# Install other bundles
context.install_bundle("core.bridges").start()
context.install_bundle("core.frame").start()
context.install_bundle('core.framework_info').start()
context.install_bundle('core.probe').start()
bundles, _ = context.install_package('./details')
for bundle in bundles:
bundle.start()
# Wait for stop then delete the framework
framework.wait_for_stop()
finally:
# Notify that the framework has stopped
if on_stop is not None:
on_stop()
def get_factory_properties(self, factory_name: str) -> dict:
"""
:param factory_name:
:return: properties of the factory
"""
with use_ipopo(self.context) as ipopo:
details = ipopo.get_factory_details(factory_name)
properties = details["properties"]
return properties
def get_factory_path(self, factory_name: str) -> str:
"""
:param factory_name:
:return: path of the file where the factory is defined
"""
with use_ipopo(self.context) as ipopo:
details = ipopo.get_factory_details(factory_name)
bundle: Bundle = details["bundle"]
return bundle.get_location()
def ipopo_factories(self):
"""
List of iPOPO factories
"""
try:
with use_ipopo(self.__context) as ipopo:
return {name: ipopo.get_factory_details(name)
for name in ipopo.get_factories()}
except BundleException:
# iPOPO is not available:
return None
def testInvalidInstantiate(self):
"""
Tests invalid parameters to instantiate and kill
"""
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
# Bad factory name
self._run_command("instantiate <badfactory> good_name")
self.assertFalse(ipopo.is_registered_instance('good_name'))
# Bad component name
self._run_command("kill <bad_component>")
def testInvalidInstantiate(self):
"""
Tests invalid parameters to instantiate and kill
"""
with use_ipopo(self.framework.get_bundle_context()) as ipopo:
# Bad factory name
self._run_command("instantiate <badfactory> good_name")
self.assertFalse(ipopo.is_registered_instance('good_name'))
# Bad component name
self._run_command("kill <bad_component>")
def ipopo_instances(self):
"""
List of iPOPO instances
"""
try:
with use_ipopo(self.__context) as ipopo:
return {instance[0]: ipopo.get_instance_details(instance[0])
for instance in ipopo.get_instances()}
except BundleException:
# iPOPO is not available:
return None
def get_factory_details(self, factory_name: str) -> Dict[str, Any]:
"""
:param factory_name: name of the factory
:return: factory details as in iPOPO
:raise FastBundleLoaderUnknownFactoryNameError: unknown factory name
"""
with use_ipopo(self.context) as ipopo:
try:
return ipopo.get_factory_details(factory_name)
except ValueError as exc:
raise FastBundleLoaderUnknownFactoryNameError(factory_name) from exc
def ipopo_factories(self):
"""
List of iPOPO factories
"""
try:
with use_ipopo(self.__context) as ipopo:
return {name: ipopo.get_factory_details(name)
for name in ipopo.get_factories()}
except BundleException:
# iPOPO is not available:
return None
def ipopo_instances(self):
"""
List of iPOPO instances
"""
try:
with use_ipopo(self.__context) as ipopo:
return {instance[0]: ipopo.get_instance_details(instance[0])
for instance in ipopo.get_instances()}
except BundleException:
# iPOPO is not available:
return None
def boot_load(context, boot_config):
"""
Utility method to do the common isolate boot operations, i.e. applies the
properties, install the bundles and finally instantiate the components
indicated in the given boot configuration.
:param context: The bundle context to use to install bundles
:param boot_config: The boot configuration
:raise BundleException: Error installing a bundle
:raise Exception: Unknown error while instantiating components
"""
logger = logging.getLogger(__name__ + "::boot_load")
framework = context.get_bundle(0)
# Set up framework properties, if possible
for key, value in boot_config.properties.items():
if not framework.add_property(key, value):
current = context.get_property(key)
if current != value:
logger.debug(
"Couldn't set the property %r to %r (current: %r)",
key, value, current)
# Load Forker bundles
for bundle in boot_config.bundles:
try:
# Install & start it
context.install_bundle(bundle.name).start()
except pelix.framework.BundleException as ex:
if bundle.optional:
logger.exception(ex)
# The error can be ignored
logger.info("Error installing bundle '%s': %s",
bundle.name, ex)
else:
# Fatal error
raise
if boot_config.composition:
# Instantiate iPOPO components, if any
with constants.use_ipopo(context) as ipopo:
for component in boot_config.composition:
# If not indicated, tell iPOPO to restart this component after
# bundle update
if constants.IPOPO_AUTO_RESTART not in component.properties:
component.properties[constants.IPOPO_AUTO_RESTART] = True
# Instantiate the component
ipopo.instantiate(component.factory, component.name,
component.properties)
else:
logger.debug("No component to instantiate")
def _install_importer(self):
"""
Installs the service importer
:return: The Importer component instance
"""
context = self.framework.get_bundle_context()
with use_ipopo(context) as ipopo:
# Register the factory
ipopo.register_factory(context, Importer)
# Instantiate the component
return ipopo.instantiate(TEST_IMPORTER_FACTORY, "importer", {})