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StackOverflow 文件
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Python Language 教程
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從 C#呼叫 Python
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呼叫 Python 指令碼的 C 程式碼
using MongoDB.Bson;
using System;
using System.Diagnostics;
using System.IO;
namespace python_csharp
{
class Program
{
static void Main(string[] args)
{
// full path to .py file
string pyScriptPath = "...../sum.py";
// convert input arguments to JSON string
BsonDocument argsBson = BsonDocument.Parse("{ 'x' : '1', 'y' : '2' }");
bool saveInputFile = false;
string argsFile = string.Format("{0}\\{1}.txt", Path.GetDirectoryName(pyScriptPath), Guid.NewGuid());
string outputString = null;
// create new process start info
ProcessStartInfo prcStartInfo = new ProcessStartInfo
{
// full path of the Python interpreter 'python.exe'
FileName = "python.exe", // string.Format(@"""{0}""", "python.exe"),
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = false
};
try
{
// write input arguments to .txt file
using (StreamWriter sw = new StreamWriter(argsFile))
{
sw.WriteLine(argsBson);
prcStartInfo.Arguments = string.Format("{0} {1}", string.Format(@"""{0}""", pyScriptPath), string.Format(@"""{0}""", argsFile));
}
// start process
using (Process process = Process.Start(prcStartInfo))
{
// read standard output JSON string
using (StreamReader myStreamReader = process.StandardOutput)
{
outputString = myStreamReader.ReadLine();
process.WaitForExit();
}
}
}
finally
{
// delete/save temporary .txt file
if (!saveInputFile)
{
File.Delete(argsFile);
}
}
Console.WriteLine(outputString);
}
}
}