Metadata-Version: 2.1
Name: powerful-agents
Version: 0.0.3
Summary: UNKNOWN
Home-page: https://github.com/shirecoding/VeryPowerfulAgents.git
Author: shirecoding
Author-email: shirecoding@gmail.com
License: UNKNOWN
Download-URL: https://github.com/shirecoding/VeryPowerfulAgents/archive/0.0.3.tar.gz
Description: [![Documentation Status](https://readthedocs.org/projects/verypowerfulagents/badge/?version=latest)](https://verypowerfulagents.readthedocs.io/en/latest/?badge=latest)
        [![CircleCI](https://circleci.com/gh/shirecoding/VeryPowerfulAgents.svg?style=shield)](https://app.circleci.com/pipelines/github/shirecoding/VeryPowerfulAgents)
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        # VeryPowerfulAgents
        
        Agents are lightweight microservices with built-in interprocess communications infrastructure using ZeroMQ
        
        ## Documentation
        
        - [Github](https://github.com/shirecoding/VeryPowerfulAgents)
        - [readthedocs](https://verypowerfulagents.readthedocs.io/en/latest/)
        
        ## Features
        
        #### Agents
        
        - Graceful boot & shutdown with resource cleanup done correctly
        - User setup/shutdown override methods for graceful boot & shutdown
        - ZeroMQ communications is done in a thread safe manner using queues (ZeroMQ is not threadsafe)
        - Socket data is received through Observables using RxPy
        - Nicely formatted logs using self.log
        
        #### Powerful Agents
        
        - Pub/sub notification facilities
        - Router/client facilities
        - Simple Messaging protocol for standard facilities (notifications, client, etc ..)
        - Elliptical curve encryption and authentication
        - Production ready communication architectures
        - Mesh networks (TODO)
        - ... (TODO)
        
        #### Very Powerful Agents
        
        - REST server routes (TODO)
        - RPC endpoints (TODO)
        - File sharing (TODO)
        - ... (TODO)
        
        ```bash
        # install from git
        git clone https://github.com/shirecoding/VeryPowerfulAgents.git
        cd VeryPowerfulAgents
        pip3 install ./
        
        # install from pypi
        pip install powerful-agents
        ```
        
        # Examples
        
        ## Simple Echo Server & Client
        
        ```python
        import zmq
        import time
        import threading
        from agents import Agent
        
        class EchoServer(Agent):
        
            def setup(self, name=None, address=None):
                self.connection = self.bind_socket(zmq.REP, {}, address)
                self.connection.observable.subscribe(self.echo)
        
            def echo(self, xs):
                self.connection.send(xs)
        
        class Client(Agent):
        
            def setup(self, name=None, address=None):
                self.counter = 0
        
                # receive
                self.connection = self.connect_socket(zmq.REQ, {}, address)
                self.connection.observable.subscribe(lambda x: self.log.info(f"received: {x}"))
        
                # begin sending forever, add to managed threads for graceful cleanup
                t = threading.Thread(target=self.send_forever)
                self.threads.append(t)
                t.start()
        
            def send_forever(self):
                # use exit event to gracefully exit loop and graceful cleanup
                while not self.exit_event.is_set():
                    time.sleep(1)
                    self.counter += 1
                    multipart_message = [str(self.counter).encode()]
                    self.log.info(f"sending: {multipart_message}")
                    self.connection.send(multipart_message)
        
        if __name__ == '__main__':
            echo_server = EchoServer(name='server', address='tcp://0.0.0.0:5000')
            client = Client(name='client', address='tcp://0.0.0.0:5000')
        ```
        
        ```bash
        INFO     [agent=server] booting up ...
        INFO     [agent=server] running user setup ...
        INFO     [agent=server] binding 4 socket on tcp://0.0.0.0:5000 ...
        INFO     [agent=server] booted in 0.00168609619140625 seconds ...
        INFO     [agent=server] start processing sockets ...
        INFO     [agent=client] booting up ...
        INFO     [agent=client] running user setup ...
        INFO     [agent=client] connecting 3 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=client] booted in 0.0009851455688476562 seconds ...
        INFO     [agent=client] start processing sockets ...
        INFO     [agent=client] sending: [b'1']
        INFO     [agent=client] received: [b'1']
        INFO     [agent=client] sending: [b'2']
        INFO     [agent=client] received: [b'2']
        INFO     [agent=client] sending: [b'3']
        INFO     [agent=client] received: [b'3']
        INFO     [agent=client] sending: [b'4']
        INFO     [agent=client] received: [b'4']
        INFO     [agent=client] sending: [b'5']
        INFO     [agent=client] received: [b'5']
        ```
        
        ## Pub/sub notifications
        
        ```python
        import zmq
        import time
        import threading
        from agents import PowerfulAgent, Message
        
        class NotificationBroker(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.create_notification_broker(pub_address, sub_address)
        
        class Sender(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.counter = 0
                self.pub, self.sub = self.create_notification_client(pub_address, sub_address)
        
                # begin sending forever, add to managed threads for graceful cleanup
                t = threading.Thread(target=self.send_forever)
                self.threads.append(t)
                t.start()
        
            def send_forever(self):
                # use exit event to gracefully exit loop and graceful cleanup
                while not self.exit_event.is_set():
                    time.sleep(1)
                    self.counter += 1
                    self.log.info(f"publishing: {self.counter}")
                    self.pub.send(Message.notification(payload=self.counter))
        
        class Listener(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.pub, self.sub = self.create_notification_client(pub_address, sub_address)
                self.sub.observable.subscribe(lambda x: self.log.info(f"received: { x['payload'] }"))
        
        if __name__ == '__main__':
            broker = NotificationBroker(name='broker', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
            sender = Sender(name='sender', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
            listener = Listener(name='listener', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
        ```
        
        ```bash
        INFO     [agent=broker] booting up ...
        INFO     [agent=broker] running user setup ...
        INFO     [agent=broker] binding 9 socket on tcp://0.0.0.0:5001 ...
        INFO     [agent=broker] binding 10 socket on tcp://0.0.0.0:5000 ...
        INFO     [agent=broker] booted in 0.0032880306243896484 seconds ...
        INFO     [agent=broker] start processing sockets ...
        INFO     [agent=sender] booting up ...
        INFO     [agent=sender] running user setup ...
        INFO     [agent=sender] connecting 1 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=sender] connecting 2 socket to tcp://0.0.0.0:5001 ...
        INFO     [agent=sender] booted in 0.0016701221466064453 seconds ...
        INFO     [agent=sender] start processing sockets ...
        INFO     [agent=listener] booting up ...
        INFO     [agent=listener] running user setup ...
        INFO     [agent=listener] connecting 1 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=listener] connecting 2 socket to tcp://0.0.0.0:5001 ...
        INFO     [agent=listener] booted in 0.0013346672058105469 seconds ...
        INFO     [agent=listener] start processing sockets ...
        INFO     [agent=sender] publishing: 1
        INFO     [agent=listener] received: 1
        INFO     [agent=sender] publishing: 2
        INFO     [agent=listener] received: 2
        INFO     [agent=sender] publishing: 3
        INFO     [agent=listener] received: 3
        INFO     [agent=sender] publishing: 4
        INFO     [agent=listener] received: 4
        INFO     [agent=sender] publishing: 5
        INFO     [agent=listener] received: 5
        ```
        
        ## Router Client
        
        ```python
        import zmq
        import time
        import threading
        from agents import PowerfulAgent, Message
        
        class Router(PowerfulAgent):
        
            def setup(self, name=None, address=None):
                self.create_router(address)
        
        class Client1(PowerfulAgent):
        
            def setup(self, name=None, address=None):
                self.counter = 0
                self.client = self.create_client(address)
        
                # begin sending forever, add to managed threads for graceful cleanup
                t = threading.Thread(target=self.send_forever)
                self.threads.append(t)
                t.start()
        
            def send_forever(self):
                # use exit event to gracefully exit loop and graceful cleanup
                while not self.exit_event.is_set():
                    time.sleep(1)
                    self.counter += 1
                    target = 'client2'
                    self.log.info(f"send to {target}: {self.counter}")
                    self.client.send(Message.client(name=target, payload=self.counter))
        
        class Client2(PowerfulAgent):
        
            def setup(self, name=None, address=None):
                self.client = self.create_client(address)
                self.client.observable.subscribe(lambda x: self.log.info(f"received: {x['payload']}"))
        
        if __name__ == '__main__':
            router = Router(name='router', address='tcp://0.0.0.0:5000')
            client1 = Client1(name='client1', address='tcp://0.0.0.0:5000')
            client2 = Client2(name='client2', address='tcp://0.0.0.0:5000')
        ```
        
        ```bash
        INFO     [agent=router] booting up ...
        INFO     [agent=router] running user setup ...
        INFO     [agent=router] binding 6 socket on tcp://0.0.0.0:5000 ...
        INFO     [agent=router] booted in 0.0019252300262451172 seconds ...
        INFO     [agent=router] start processing sockets ...
        INFO     [agent=client1] booting up ...
        INFO     [agent=client1] running user setup ...
        INFO     [agent=client1] connecting 5 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=client1] booted in 0.0019159317016601562 seconds ...
        INFO     [agent=client1] start processing sockets ...
        INFO     [agent=client2] booting up ...
        INFO     [agent=client2] running user setup ...
        INFO     [agent=client2] connecting 5 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=client2] booted in 0.0008869171142578125 seconds ...
        INFO     [agent=client2] start processing sockets ...
        INFO     [agent=client1] send to client2: 1
        INFO     [agent=client2] received: 1
        INFO     [agent=client1] send to client2: 2
        INFO     [agent=client2] received: 2
        INFO     [agent=client1] send to client2: 3
        INFO     [agent=client2] received: 3
        INFO     [agent=client1] send to client2: 4
        INFO     [agent=client2] received: 4
        INFO     [agent=client1] send to client2: 5
        INFO     [agent=client2] received: 5
        ```
        
        ## Elliptical Curve Encryption
        
        This example allows any client with the server's public key to connect and communicate over a secure channel
        
        ```python
        import zmq
        import time
        import threading
        from agents import Agent, PowerfulAgent, Message
        
        # generate public and private keys for server and client
        server_public_key, server_private_key = Agent.curve_keypair()
        wrong_server_public_key, wrong_server_private_key = Agent.curve_keypair()
        client_public_key, client_private_key = Agent.curve_keypair()
        client2_public_key, client2_private_key = Agent.curve_keypair()
        
        class NotificationBroker(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.create_notification_broker(pub_address, sub_address, options=self.curve_server_config(server_private_key))
        
        class Sender(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.counter = 0
                self.pub, self.sub = self.create_notification_client(
                    pub_address,
                    sub_address,
                    options=self.curve_client_config(server_public_key, client_public_key, client_private_key)
                )
        
                # begin sending forever, add to managed threads for graceful cleanup
                t = threading.Thread(target=self.send_forever)
                self.threads.append(t)
                t.start()
        
            def send_forever(self):
                # use exit event to gracefully exit loop and graceful cleanup
                while not self.exit_event.is_set():
                    time.sleep(1)
                    self.counter += 1
                    self.log.info(f"publishing: {self.counter}")
                    self.pub.send(Message.notification(payload=self.counter))
        
        class Listener(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.pub, self.sub = self.create_notification_client(
                    pub_address,
                    sub_address,
                    options=self.curve_client_config(server_public_key, client_public_key, client_private_key)
                )
                self.sub.observable.subscribe(lambda x: self.log.info(f"received: { x['payload'] }"))
        
        class ListenerInvalid(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None):
                self.pub, self.sub = self.create_notification_client(
                    pub_address,
                    sub_address,
                    options=self.curve_client_config(wrong_server_public_key, client2_public_key, client2_private_key)
                )
                self.sub.observable.subscribe(lambda x: self.log.info(f"received: { x['payload'] }"))
        
        if __name__ == '__main__':
            broker = NotificationBroker(name='broker', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
            sender = Sender(name='sender', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
            listener = Listener(name='listener', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
            listener_invalid = ListenerInvalid(name='listener_invalid', pub_address='tcp://0.0.0.0:5000', sub_address='tcp://0.0.0.0:5001')
        
        ```
        
        ```bash
        INFO     [agent=broker] booting up ...
        INFO     [agent=broker] running user setup ...
        INFO     [agent=broker] binding 9 socket on tcp://0.0.0.0:5001 ...
        INFO     [agent=broker] binding 10 socket on tcp://0.0.0.0:5000 ...
        INFO     [agent=broker] booted in 0.0027320384979248047 seconds ...
        INFO     [agent=broker] start processing sockets ...
        INFO     [agent=sender] booting up ...
        INFO     [agent=sender] running user setup ...
        INFO     [agent=sender] connecting 1 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=sender] connecting 2 socket to tcp://0.0.0.0:5001 ...
        INFO     [agent=sender] booted in 0.0042607784271240234 seconds ...
        INFO     [agent=sender] start processing sockets ...
        INFO     [agent=listener] booting up ...
        INFO     [agent=listener] running user setup ...
        INFO     [agent=listener] connecting 1 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=listener] connecting 2 socket to tcp://0.0.0.0:5001 ...
        INFO     [agent=listener] booted in 0.0016052722930908203 seconds ...
        INFO     [agent=listener] start processing sockets ...
        INFO     [agent=listener_invalid] booting up ...
        INFO     [agent=listener_invalid] running user setup ...
        INFO     [agent=listener_invalid] connecting 1 socket to tcp://0.0.0.0:5000 ...
        INFO     [agent=listener_invalid] connecting 2 socket to tcp://0.0.0.0:5001 ...
        INFO     [agent=listener_invalid] booted in 0.0014069080352783203 seconds ...
        INFO     [agent=listener_invalid] start processing sockets ...
        INFO     [agent=sender] publishing: 1
        INFO     [agent=listener] received: 1
        INFO     [agent=sender] publishing: 2
        INFO     [agent=listener] received: 2
        INFO     [agent=sender] publishing: 3
        INFO     [agent=listener] received: 3
        ```
        
        ## Full Authentication
        
        This example adds another layer of protection for the server by allowing only trusted clients to connect.
        
        ```python
        import os
        import zmq
        import time
        import threading
        import tempfile
        from agents import Agent, PowerfulAgent, Message
        
        class NotificationBroker(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None, private_key=None, client_certificates_path=None):
        
                # configure public key auth/encryption if private_key is provided
                options = self.curve_server_config(private_key) if private_key else {}
                self.create_notification_broker(pub_address, sub_address, options=options)
        
                # start authenticator if client_certificates_path is provided
                if client_certificates_path:
                    self.auth = self.start_authenticator(domain='*', certificates_path=client_certificates_path)
        
        class Sender(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None, private_key=None, public_key=None, server_public_key=None):
                # configure public key auth/encryption if keys are provided
                if private_key and public_key and server_public_key:
                    options = self.curve_client_config(server_public_key, public_key, private_key)
                else:
                    options = {}
                self.counter = 0
                self.pub, self.sub = self.create_notification_client(pub_address, sub_address, options=options)
        
                # begin sending forever, add to managed threads for graceful cleanup
                t = threading.Thread(target=self.send_forever)
                self.threads.append(t)
                t.start()
        
            def send_forever(self):
                # use exit event to gracefully exit loop and graceful cleanup
                while not self.exit_event.is_set():
                    time.sleep(1)
                    self.counter += 1
                    self.log.info(f"publishing: {self.counter}")
                    self.pub.send(Message.notification(payload=self.counter))
        
        class Listener(PowerfulAgent):
        
            def setup(self, name=None, pub_address=None, sub_address=None, private_key=None, public_key=None, server_public_key=None):
                # configure public key auth/encryption if keys are provided
                if private_key and public_key and server_public_key:
                    options = self.curve_client_config(server_public_key, public_key, private_key)
                else:
                    options = {}
                self.pub, self.sub = self.create_notification_client(pub_address, sub_address, options=options)
                self.sub.observable.subscribe(lambda x: self.log.info(f"received: { x['payload'] }"))
        
        
        if __name__ == '__main__':
        
            with tempfile.TemporaryDirectory() as trusted_keys_path, \
            tempfile.TemporaryDirectory() as untrusted_keys_path:
        
                # create key pairs in corresponding directories
                Agent.create_curve_certificates(trusted_keys_path, 'server')
                Agent.create_curve_certificates(trusted_keys_path, 'listener')
                Agent.create_curve_certificates(untrusted_keys_path, 'listener2')
        
                # load key pairs
                server_public_key, server_private_key = Agent.load_curve_certificate(os.path.join(trusted_keys_path, "server.key_secret"))
                listener_public_key, listener_private_key = Agent.load_curve_certificate(os.path.join(trusted_keys_path, "listener.key_secret"))
                listener2_public_key, listener2_private_key = Agent.load_curve_certificate(os.path.join(untrusted_keys_path, "listener2.key_secret"))
        
                broker = NotificationBroker(
                    name='broker',
                    pub_address='tcp://127.0.0.1:5000',
                    sub_address='tcp://127.0.0.1:5001',
                    private_key=server_private_key,
                    client_certificates_path=trusted_keys_path
                )
                sender = Sender(
                    name='sender',
                    pub_address='tcp://127.0.0.1:5000',
                    sub_address='tcp://127.0.0.1:5001',
                    private_key=server_private_key,
                    public_key=server_public_key,
                    server_public_key=server_public_key
                )
                listener = Listener(
                    name='listener',
                    pub_address='tcp://127.0.0.1:5000',
                    sub_address='tcp://127.0.0.1:5001',
                    private_key=listener_private_key,
                    public_key=listener_public_key,
                    server_public_key=server_public_key
                )
                listener2 = Listener(
                    name='listener2',
                    pub_address='tcp://127.0.0.1:5000',
                    sub_address='tcp://127.0.0.1:5001',
                    private_key=listener2_private_key,
                    public_key=listener2_public_key,
                    server_public_key=server_public_key
                )
        ```
        
        ```bash
        INFO     [agent=broker] booting up ...
        INFO     [agent=broker] running user setup ...
        INFO     [agent=broker] binding 9 socket on tcp://127.0.0.1:5001 ...
        INFO     [agent=broker] binding 10 socket on tcp://127.0.0.1:5000 ...
        INFO     [agent=broker] trusted clients: {b'LJl(is$S!/A[3uj]lx}GosmI^28J+3TrR#N5L*C3': True, b'xHVFw-cZptp-.U=rMK)OdTM*p5iwnxX.6HEZWt9v': True}
        DEBUG    [agent=broker] Starting
        INFO     [agent=broker] authenticator started ...
        DEBUG    [agent=broker] auth received API command b'ALLOW'
        DEBUG    [agent=broker] Allowing
        DEBUG    [agent=broker] auth received API command b'CURVE'
        DEBUG    [agent=broker] Configure curve: *[/var/folders/v2/9dzql1f509n1rqnlgrxs9_180000gn/T/tmp6f67aogg]
        INFO     [agent=broker] booted in 0.006651878356933594 seconds ...
        INFO     [agent=broker] start processing sockets ...
        INFO     [agent=sender] booting up ...
        INFO     [agent=sender] running user setup ...
        INFO     [agent=sender] connecting 1 socket to tcp://127.0.0.1:5000 ...
        INFO     [agent=sender] connecting 2 socket to tcp://127.0.0.1:5001 ...
        INFO     [agent=sender] booted in 0.003384113311767578 seconds ...
        INFO     [agent=sender] start processing sockets ...
        INFO     [agent=listener] booting up ...
        INFO     [agent=listener] running user setup ...
        INFO     [agent=listener] connecting 1 socket to tcp://127.0.0.1:5000 ...
        INFO     [agent=listener] connecting 2 socket to tcp://127.0.0.1:5001 ...
        INFO     [agent=listener] booted in 0.001445770263671875 seconds ...
        INFO     [agent=listener] start processing sockets ...
        INFO     [agent=listener2] booting up ...
        INFO     [agent=listener2] running user setup ...
        INFO     [agent=listener2] connecting 1 socket to tcp://127.0.0.1:5000 ...
        INFO     [agent=listener2] connecting 2 socket to tcp://127.0.0.1:5001 ...
        INFO     [agent=listener2] booted in 0.0016427040100097656 seconds ...
        INFO     [agent=listener2] start processing sockets ...
        DEBUG    [agent=broker] version: b'1.0', request_id: b'1', domain: '', address: '127.0.0.1', identity: b'', mechanism: b'CURVE'
        DEBUG    [agent=broker] ALLOWED (CURVE) domain=* client_key=b'LJl(is$S!/A[3uj]lx}GosmI^28J+3TrR#N5L*C3'
        DEBUG    [agent=broker] ZAP reply code=b'200' text=b'OK'
        DEBUG    [agent=broker] version: b'1.0', request_id: b'1', domain: '', address: '127.0.0.1', identity: b'', mechanism: b'CURVE'
        DEBUG    [agent=broker] ALLOWED (CURVE) domain=* client_key=b'LJl(is$S!/A[3uj]lx}GosmI^28J+3TrR#N5L*C3'
        DEBUG    [agent=broker] ZAP reply code=b'200' text=b'OK'
        DEBUG    [agent=broker] version: b'1.0', request_id: b'1', domain: '', address: '127.0.0.1', identity: b'', mechanism: b'CURVE'
        DEBUG    [agent=broker] ALLOWED (CURVE) domain=* client_key=b'xHVFw-cZptp-.U=rMK)OdTM*p5iwnxX.6HEZWt9v'
        DEBUG    [agent=broker] ZAP reply code=b'200' text=b'OK'
        DEBUG    [agent=broker] version: b'1.0', request_id: b'1', domain: '', address: '127.0.0.1', identity: b'', mechanism: b'CURVE'
        DEBUG    [agent=broker] DENIED (CURVE) domain=* client_key=b're69C5>LWfw%//*Qc^6Ei]>ntoYZCc6E]rZXA=F9'
        DEBUG    [agent=broker] ZAP reply code=b'400' text=b'Unknown key'
        DEBUG    [agent=broker] version: b'1.0', request_id: b'1', domain: '', address: '127.0.0.1', identity: b'', mechanism: b'CURVE'
        DEBUG    [agent=broker] ALLOWED (CURVE) domain=* client_key=b'xHVFw-cZptp-.U=rMK)OdTM*p5iwnxX.6HEZWt9v'
        DEBUG    [agent=broker] ZAP reply code=b'200' text=b'OK'
        DEBUG    [agent=broker] version: b'1.0', request_id: b'1', domain: '', address: '127.0.0.1', identity: b'', mechanism: b'CURVE'
        DEBUG    [agent=broker] DENIED (CURVE) domain=* client_key=b're69C5>LWfw%//*Qc^6Ei]>ntoYZCc6E]rZXA=F9'
        DEBUG    [agent=broker] ZAP reply code=b'400' text=b'Unknown key'
        INFO     [agent=sender] publishing: 1
        INFO     [agent=listener] received: 1
        INFO     [agent=sender] publishing: 2
        INFO     [agent=listener] received: 2
        ```
        
Platform: UNKNOWN
Classifier: Programming Language :: Python :: 3
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: OS Independent
Description-Content-Type: text/markdown
Provides-Extra: test
Provides-Extra: docs
