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by Olivier
02:29
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client-with-encryption.task()   A

↳ Parent: client-with-encryption

Complexity

Conditions 2

Size

Total Lines 17
Code Lines 14

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 14
nop 1
dl 0
loc 17
rs 9.7
c 0
b 0
f 0
1 
import asyncio
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import logging
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import sys
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sys.path.insert(0, "..")
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from asyncua import Client, Node, ua
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from asyncua.crypto.security_policies import SecurityPolicyBasic256Sha256
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logging.basicConfig(level=logging.INFO)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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_logger = logging.getLogger("asyncua")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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cert = "certificates/peer-certificate-example-1.der"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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private_key = "certificates/peer-private-key-example-1.pem"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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async def task(loop):

            


            
                                                                        
                            
            
                                    
            
            

                
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    url = "opc.tcp://0.0.0.0:4840/freeopcua/server/"

            


            
                                                                        
                            
            
                                    
            
            

                
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    try:

            


            
                                                                        
                            
            
                                    
            
            

                
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        client = Client(url=url)

            


            
                                                                        
                            
            
                                    
            
            

                
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        await client.set_security(

            


            
                                                                        
                            
            
                                    
            
            

                
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            SecurityPolicyBasic256Sha256,

            


            
                                                                        
                            
            
                                    
            
            

                
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            certificate_path=cert,

            


            
                                                                        
                            
            
                                    
            
            

                
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            private_key_path=private_key

            


            
                                                                        
                            
            
                                    
            
            

                
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        )

            


            
                                                                        
                            
            
                                    
            
            

                
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        await client.connect()

            


            
                                                                        
                            
            
                                    
            
            

                
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        root = client.nodes.root

            


            
                                                                        
                            
            
                                    
            
            

                
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        print(await root.get_children())

            


            
                                                                        
                            
            
                                    
            
            

                
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    except Exception:

            


            
                                                                        
                            
            
                                    
            
            

                
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        _logger.exception('error')

            


            
                                                                        
                            
            
                                    
            
            

                
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    finally:

            


            
                                                                        
                            
            
                                    
            
            

                
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        await client.disconnect()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def main():

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    loop = asyncio.get_event_loop()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    loop.set_debug(True)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    loop.run_until_complete(task(loop))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    loop.close()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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if __name__ == "__main__":

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    main()

            


            
                                                        
            
                                    
            
            

                
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