private void creditButton_Click(object sender, EventArgs e)
{
this.statusTextBox.Text = "";
int loan_amount = int.Parse(this.loanAmountTextBox.Text);
double int_rate = Convert.ToDouble(this.intRateTextBox.Text);
double installment = Convert.ToDouble(this.installmentTextBox.Text);
string grade = this.gradeComboBox.SelectedItem.ToString();
int employed = this.employedDomainUpDown.SelectedIndex;
string owner = this.homwOwnerComboBox.SelectedItem.ToString();
int income = int.Parse(this.annualTextBox.Text);
string purpose = this.purposeComboBox.SelectedItem.ToString();
int credit_inq = int.Parse(this.inqTextBox.Text);
int incidents = int.Parse(this.pastTextBox.Text);
var module_folder = @"D:\Workspace\VisualStudioProj\WindowsToPythonAI\python_model";
var module_name = "run_keras_model";
var class_name = "LoanModel";
var def_name = "predict_this";
//Model input arguments preparation
var methodArguments = new PythonCallerArgs();
methodArguments.AddArg("loan_amnt", loan_amount);
methodArguments.AddArg("int_rate", int_rate);
methodArguments.AddArg("installment", installment);
methodArguments.AddArg("grade", grade);
methodArguments.AddArg("emp_length", employed);
methodArguments.AddArg("home_ownership", owner);
methodArguments.AddArg("annual_inc", income);
methodArguments.AddArg("purpose", purpose);
methodArguments.AddArg("inq_last_12m", credit_inq);
methodArguments.AddArg("delinq_2yrs", incidents);
methodArguments.AddMetaArg("caller", "WindowsToPythonAI");
// Now we can create a caller object and bind it to the model
var pyCaller = new PythonCaller(module_folder, module_name);
Dictionary <string, string> resultJson = pyCaller.CallClassMethod(class_name, def_name, methodArguments);
this.statusTextBox.Text = resultJson["prediction"];
}
public Dictionary <string, string> CallClassMethod(string className, string method, PythonCallerArgs args)
{
results = "";
errors = "";
string argString = args.Serialized();
//Caller produces the command:
// path/to/python.exe caller.py path/to/python/module python_module_name class_name method_name args_string
//caller.py is the aggregator script, which finds the desired script (python_module_name.py), imports its contents and calls the class method
//args_string is JSON-formatted array of the arguments for the desired script (python_module_name.py)
psi.Arguments = $"\"{caller}\" \"{scriptPath}\" \"{scriptName}\" \"{className}\" \"{method}\" \"{argString}\"";
var value = System.Environment.GetEnvironmentVariable("PATH");
var new_value = envPath + "\\:" + envPath + "\\Scripts:" + value;
System.Environment.SetEnvironmentVariable("PATH", new_value);
using (var process = Process.Start(psi))
{
errors = process.StandardError.ReadToEnd();
results = process.StandardOutput.ReadToEnd();
}
Dictionary <string, string> ob = JsonConvert.DeserializeObject <Dictionary <string, string> >(results);
return(ob);
}
