added 2021 ISS file

Author: Gertjan Van den Broek

Setup_RevitPythonShell_2021.iss

@@ -0,0 +1,66 @@
+[Files]
+Source: "RevitPythonShell\bin\Release\2021\PythonConsoleControl.dll"; DestDir: "{app}"; Flags: replacesameversion
+Source: "RevitPythonShell\bin\Release\2021\RevitPythonShell.dll"; DestDir: "{app}"; Flags: replacesameversion
+Source: "RevitPythonShell\bin\Release\2021\RpsRuntime.dll"; DestDir: "{app}"; Flags: replacesameversion
+Source: "RevitPythonShell\bin\Release\2021\RevitPythonShell.addin"; DestDir: "{userappdata}\Autodesk\Revit\Addins\2021"; Flags: replacesameversion
+Source: "RevitPythonShell\bin\Release\2021\ICSharpCode.AvalonEdit.dll"; DestDir: "{app}"
+Source: "RevitPythonShell\bin\Release\2021\IronPython.dll"; DestDir: "{app}"
+Source: "RevitPythonShell\bin\Release\2021\IronPython.Modules.dll"; DestDir: "{app}"
+Source: "RevitPythonShell\bin\Release\2021\Microsoft.Scripting.Metadata.dll"; DestDir: "{app}"
+Source: "RevitPythonShell\bin\Release\2021\Microsoft.Dynamic.dll"; DestDir: "{app}"
+Source: "RevitPythonShell\bin\Release\2021\Microsoft.Scripting.dll"; DestDir: "{app}"
+Source: "RevitPythonShell\bin\Release\2021\DefaultConfig\RevitPythonShell.xml"; DestDir: "{userappdata}\RevitPythonShell\2021"; Flags: onlyifdoesntexist
+Source: "RevitPythonShell\bin\Release\2021\DefaultConfig\init.py"; DestDir: {userappdata}\RevitPythonShell\2021; Flags: confirmoverwrite; 
+Source: "RevitPythonShell\bin\Release\2021\DefaultConfig\startup.py"; DestDir: {userappdata}\RevitPythonShell\2021; Flags: confirmoverwrite; 
+
+
+[code]
+{ HANDLE INSTALL PROCESS STEPS }
+procedure CurStepChanged(CurStep: TSetupStep);
+var
+  AddInFilePath: String;
+  LoadedFile : TStrings;
+  AddInFileContents: String;
+  ReplaceString: String;
+  SearchString: String;
+begin
+
+  if CurStep = ssPostInstall then
+  begin
+
+  AddinFilePath := ExpandConstant('{userappdata}\Autodesk\Revit\Addins\2021\RevitPythonShell.addin');
+  LoadedFile := TStringList.Create;
+  SearchString := 'Assembly>RevitPythonShell.dll<';
+  ReplaceString := 'Assembly>' + ExpandConstant('{app}') + '\RevitPythonShell.dll<';
+
+  try
+      LoadedFile.LoadFromFile(AddInFilePath);
+      AddInFileContents := LoadedFile.Text;
+
+      { Only save if text has been changed. }
+      if StringChangeEx(AddInFileContents, SearchString, ReplaceString, True) > 0 then
+      begin;
+        LoadedFile.Text := AddInFileContents;
+        LoadedFile.SaveToFile(AddInFilePath);
+      end;
+    finally
+      LoadedFile.Free;
+    end;
+
+  end;
+end;
+
+[Setup]
+AppName=RevitPythonShell for Autodesk Revit 2021
+AppVerName=RevitPythonShell for Autodesk Revit 2021
+RestartIfNeededByRun=false
+DefaultDirName={pf32}\RevitPythonShell\2021
+OutputBaseFilename=Setup_RevitPythonShell_2021
+ShowLanguageDialog=auto
+FlatComponentsList=false
+UninstallFilesDir={app}\Uninstall
+UninstallDisplayName=RevitPythonShell for Autodesk Revit 2021
+AppVersion=2021.0
+VersionInfoVersion=2021.0
+VersionInfoDescription=RevitPythonShell for Autodesk Revit 2021
+VersionInfoTextVersion=RevitPythonShell for Autodesk Revit 2021