public StringWrapperLineReader(StringWrapper strw)
{
Strw = strw;
en = strw.Lines().GetEnumerator();
has_next = en.MoveNext();
}
public StringWrapper GetNext()
{
var res = new StringWrapper()
{
str = en.Current
};
has_next = en.MoveNext();
return(res);
}
/// <summary>
/// exec given code through a temp file
/// </summary>
public StringWrapper Exec(StringWrapper code, bool remove_tmp_file = true)
{
string tmp_pathfilename = null;
if (TempFolder == null)
{
tmp_pathfilename = System.IO.Path.GetTempFileName() + ".py";
}
else
{
tmp_pathfilename = System.IO.Path.Combine(TempFolder, "_" + Guid.NewGuid().ToString() + ".py");
}
guid = Guid.NewGuid().ToString();
using (var sw0 = new StreamWriter(tmp_pathfilename))
{
switch (Environment.OSVersion.Platform)
{
case PlatformID.Unix:
case PlatformID.MacOSX:
{
sw0.WriteLine(code.str.Replace("\r\n", "\n"));
}
break;
default:
{
sw0.WriteLine(code.str);
}
break;
}
sw0.WriteLine($"print('{guid}')");
}
sberr.Clear();
sbout.Clear();
var sw = new Stopwatch();
sw.Start();
string res = "";
while (!initialized)
{
if (startup_error)
{
throw new Exception($"startup error [{sberr.ToString()}]");
}
Thread.Sleep(25);
}
lock (wrapper_initialized)
{
finished = false;
hasErr = false;
//process.BeginErrorReadLine();
//process.BeginOutputReadLine();
var cmd = $"exec(open('{tmp_pathfilename.Replace('\\', '/')}').read())\n";
debug?.Invoke($"using process id = [{process.Id}]");
process.StandardInput.WriteLine(cmd);
process.StandardInput.Flush();
while (!finished)
{
//process.StandardInput.Flush();
Thread.Sleep(25);
if (hasErr)
{
Thread.Sleep(25); // gather other errors
break;
}
}
//process.CancelErrorRead();
//process.CancelOutputRead();
if (hasErr)
{
throw new PythonException($"pyhton[{PythonExePathfilename}] script[{tmp_pathfilename}] : {sberr.ToString()}", sbout.ToString());
}
res = sbout.ToString();
}
sw.Stop();
debug?.Invoke($"python took [{sw.Elapsed}]");
if (remove_tmp_file)
{
File.Delete(tmp_pathfilename);
}
return(new StringWrapper()
{
str = res
});
}
