call python script from c#

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5

private void run_cmd(string cmd, string args)
{
     ProcessStartInfo start = new ProcessStartInfo();
     start.FileName = "my/full/path/to/python.exe";
     start.Arguments = string.Format("{0} {1}", cmd, args);
     start.UseShellExecute = false;
     start.RedirectStandardOutput = true;
     using(Process process = Process.Start(start))
     {
         using(StreamReader reader = process.StandardOutput)
         {
             string result = reader.ReadToEnd();
             Console.Write(result);
         }
     }
}

Popularity 9/10 Helpfulness 5/10 Language csharp

Source: stackoverflow.com

Tags: c# call python script

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Contributed on Sep 01 2021

abdullah

0 Answers Avg Quality 2/10

run python script from c#

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2

using IronPython.Hosting;
using Microsoft.Scripting.Hosting;

private static void doPython()
{
    ScriptEngine engine = Python.CreateEngine();
    engine.ExecuteFile(@"test.py");
}

//You can get IronPython here : https://ironpython.net/

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: c# c

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Contributed on Jul 09 2021

RB to the moon

0 Answers Avg Quality 2/10

call c# from python

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0

"""
It is actually pretty easy. Just use NuGet to add the "UnmanagedExports" package 
to your .Net project. 
See https://sites.google.com/site/robertgiesecke/Home/uploads/unmanagedexports for details.
"""
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using RGiesecke.DllExport;

class Test
{
    [DllExport("add", CallingConvention = CallingConvention.Cdecl)]
    public static int TestExport(int left, int right)
    {
        return left + right;
    }
}


"""
You can then load the dll and call the exposed methods in Python (works for 2.7)
"""
import ctypes
a = ctypes.cdll.LoadLibrary(source)
a.add(3, 5)

Popularity 9/10 Helpfulness 2/10 Language python

Source: stackoverflow.com

Tags: c# call

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Contributed on Oct 05 2021

Hameed

0 Answers Avg Quality 2/10

call python from c#

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0

using System; 
using System.IO; 
using System.Diagnostics; 

namespace CallPython 
{ 
    /// <summary> 
    /// Used to show simple C# and Python interprocess communication 
    /// Author      : Ozcan ILIKHAN 
    /// Created     : 02/26/2015 
    /// Last Update : 04/30/2015 
    /// </summary> 
    class Program 
    { 
        static void Main(string[] args) 
        { 
            // full path of python interpreter 
            string python = @"C:\Continuum\Anaconda\python.exe"; 

            // python app to call 
            string myPythonApp = "sum.py"; 

            // dummy parameters to send Python script 
            int x = 2; 
            int y = 5; 

            // Create new process start info 
            ProcessStartInfo myProcessStartInfo = new ProcessStartInfo(python); 

            // make sure we can read the output from stdout 
            myProcessStartInfo.UseShellExecute = false; 
            myProcessStartInfo.RedirectStandardOutput = true; 

            // start python app with 3 arguments  
            // 1st arguments is pointer to itself,  
            // 2nd and 3rd are actual arguments we want to send 
            myProcessStartInfo.Arguments = myPythonApp + " " + x + " " + y; 

            Process myProcess = new Process(); 
            // assign start information to the process 
            myProcess.StartInfo = myProcessStartInfo; 

            Console.WriteLine("Calling Python script with arguments {0} and {1}", x,y); 
            // start the process 
            myProcess.Start(); 

            // Read the standard output of the app we called.  
            // in order to avoid deadlock we will read output first 
            // and then wait for process terminate: 
            StreamReader myStreamReader = myProcess.StandardOutput; 
            string myString = myStreamReader.ReadLine(); 

            /*if you need to read multiple lines, you might use: 
                string myString = myStreamReader.ReadToEnd() */           

            // wait exit signal from the app we called and then close it. 
            myProcess.WaitForExit(); 
            myProcess.Close(); 

            // write the output we got from python app 
            Console.WriteLine("Value received from script: " + myString); 

        } 
    } 
}

Popularity 8/10 Helpfulness 2/10 Language whatever

Source: Grepper

Tags: c# call python pyth

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Contributed on Jun 14 2022

Evgeny Ginzburg

0 Answers Avg Quality 2/10

c# call python library

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0

        public string run_cmd(string cmd, string args)
        {
            ProcessStartInfo start = new ProcessStartInfo();
            start.FileName = "PATH_TO_PYTHON_EXE";
            start.Arguments = string.Format("\"{0}\" \"{1}\"", cmd, args);
            start.UseShellExecute = false;// Do not use OS shell
            start.CreateNoWindow = true; // We don't need new window
            start.RedirectStandardOutput = true;// Any output, generated by application will be redirected back
            start.RedirectStandardError = true; // Any error in standard output will be redirected back (for example exceptions)
            using (Process process = Process.Start(start))
            {
                using (StreamReader reader = process.StandardOutput)
                {
                    string stderr = process.StandardError.ReadToEnd(); // Here are the exceptions from our Python script
                    string result = reader.ReadToEnd(); // Here is the result of StdOut(for example: print "test")
                    return result;
                }
            }
        }

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: betterprogramming.pub

Tags: c# call python whatever what

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Contributed on Jun 14 2022

Evgeny Ginzburg

0 Answers Avg Quality 2/10

c# call python library

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0

        public string PatchParameter(string parameter, int serviceid)
        {
            var engine = Python.CreateEngine(); // Extract Python language engine from their grasp
            var scope = engine.CreateScope(); // Introduce Python namespace (scope)
            var d = new Dictionary<string, object>
            {
                { "serviceid", serviceid},
                { "parameter", parameter}
            }; // Add some sample parameters. Notice that there is no need in specifically setting the object type, interpreter will do that part for us in the script properly with high probability

            scope.SetVariable("params", d); // This will be the name of the dictionary in python script, initialized with previously created .NET Dictionary
            ScriptSource source = engine.CreateScriptSourceFromFile("PATH_TO_PYTHON_SCRIPT_FILE"); // Load the script
            object result = source.Execute(scope); 
            parameter = scope.GetVariable<string>("parameter"); // To get the finally set variable 'parameter' from the python script
            return parameter;
        }

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: c# call python whatever what

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Contributed on Jun 14 2022

Evgeny Ginzburg

0 Answers Avg Quality 2/10

run python from c#

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0

using System;
using System.Collections.Generic;
using System.IO;
class Solution {
    static void Main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution */
        var firstLine = Console.ReadLine().Split(' ');
        var totalPairs = Convert.ToInt64(firstLine[1]);
        var totalAstronauts = Convert.ToInt64(firstLine[0]);
        
        if(totalAstronauts==1) Console.Write(1);
        
        var visited = new bool[totalAstronauts];
        var sets = new List<long>();
        
        var graph = new Dictionary<long, List<long>>();
        
        for(var i=0; i<totalAstronauts; i++) {
            graph.Add(i, new List<long>());
        }
        
        for(var i=0; i<totalPairs; i++) {
            var pair = Console.ReadLine().Split(' ');
            var first = Convert.ToInt64(pair[0]);
            var second = Convert.ToInt64(pair[1]);
            
            if(first >= totalAstronauts || second >= totalAstronauts) return;
            
            graph[first].Add(second);
            graph[second].Add(first);
        }
        
        for(var i=0; i<totalAstronauts; i++) {
            if(visited[i]) continue;
            sets.Add(DFS(i, graph, visited));
        }

        var answer = 0L;
        var sum = 0L;
        foreach(var i in sets) {
            answer += sum*i;
            sum += i;
        }
        
        Console.WriteLine(answer);
    }
    
    static long DFS(long item, Dictionary<long, List<long>> graph, bool[] visited) {
        if(visited[item]) return 0;
        var count = 1L;
        
        visited[item] = true;
        foreach(var i in graph[item]) {
            count+=DFS(i, graph, visited);
        }
        
        return count;
    }
}

Popularity 1/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: c# python

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Contributed on Aug 29 2022

Sravan Bellamkonda

0 Answers Avg Quality 2/10

call python script from c#

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