mirror of https://gitlab.com/ita1024/waf.git
101 lines
3.3 KiB
C#
101 lines
3.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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namespace waflauncher
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{
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class MainClass
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{
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public static System.Diagnostics.Process exec(string command,params string[] args) {
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String argstring = String.Join(" ",args);
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System.Diagnostics.ProcessStartInfo startinfo = new System.Diagnostics.ProcessStartInfo(command,argstring);
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startinfo.UseShellExecute = false;
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System.Diagnostics.Process p;
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try {
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p = Process.Start(startinfo);
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} catch (System.ComponentModel.Win32Exception){
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return null;
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}
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p.WaitForExit();
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return p;
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}
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public static int Main (string[] args)
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{
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//I run waf and if not successful we try on-the-fly install of python
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if(!runWaf(args)){
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//but first we ask the user if it's okay to install software on their computer
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if(mayInstall()){
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//I install python and try running waf yet another time
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installPython();
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if(!runWaf(args)){
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//If it still fails something has gone horrible wrong
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Console.WriteLine("Python not fully working");
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return 1;
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}
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} else {
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Console.WriteLine("Not automatically installing Python");
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Console.WriteLine("Please download and install http://www.python.org/ftp/python/2.7.1/python-2.7.1.msi");
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Console.WriteLine("or if you have python installed make sure it is on %PATH%");
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Console.WriteLine("or run this command again and answer yes");
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}
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}
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return 0;
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}
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public static bool mayInstall() {
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Console.Write("Download and install python [Y/n]? ");
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ConsoleKeyInfo a = Console.ReadKey();
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Console.WriteLine();
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switch(a.KeyChar){
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case 'Y':
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case 'y':
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case '\n':
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case '\r':
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return true;
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//If unsure default to not doing it
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default:
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return false;
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}
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}
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public static String getwafDir(){
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//This changes the current directory to the place where the exe exists
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System.Reflection.Assembly a = System.Reflection.Assembly.GetEntryAssembly();
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String path = System.IO.Path.GetDirectoryName(a.Location);
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return path + System.IO.Path.DirectorySeparatorChar;
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}
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public static bool runWaf(string[] args){
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Process p = exec("python", getwafDir() + "waf", String.Join(" ",args));
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//If command could be execeuted return true
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if (p != null) return true;
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//If not try with the direct path to the default installation which is where installPython() will install it to
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//This is done since the %PATH% variable might not be setup to include python
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List<String> versions = new List<String>() { "27", "32", "26", "31", "25", "30" };
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foreach (String v in versions) {
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p = exec("C:\\Python"+v+"\\python.exe", "waf", String.Join(" ",args));
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if (p != null) return true;
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}
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return false;
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}
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public static void installPython(){
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//Make a filename to download python to
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String filename = System.IO.Path.GetTempPath() + Char.ToString(System.IO.Path.DirectorySeparatorChar) + "python-2.7.1.msi";
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System.Net.WebClient web = new System.Net.WebClient();
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Console.WriteLine ("Downloading python 2.7");
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web.DownloadFile("http://www.python.org/ftp/python/2.7.1/python-2.7.1.msi",filename);
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Console.WriteLine ("python2.7 downloaded to " + filename);
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Console.WriteLine ("Installing python");
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//filename must be qouted or else msiexec will fail
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exec("msiexec","/qn","/i","\"" +filename + "\"");
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Console.WriteLine ("Python is now installed");
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}
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}
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}
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