Created windows installer. Use batch file to run it

Author: stephendade

windows/droneapiWinBuild.bat

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+rem build the standalone Dronekit.exe for Windows.
+rem This assumes Python is installed in C:\Python27
+SETLOCAL enableextensions
+
+rem get the version
+for /f "tokens=*" %%a in (
+ 'python returnVersion.py'
+ ) do (
+ set VERSION=%%a
+ )
+
+
+rem -----Build the Installer-----
+"C:\Program Files (x86)\Inno Setup 5\ISCC.exe" /dMyAppVersion=%VERSION% -compile droneapi_installer.iss
+
+pause

windows/droneapi_installer.iss

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+; Script generated by the Inno Setup Script Wizard.
+; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
+
+#define MyAppName "DroneAPI"
+; #define MyAppVersion "1"
+#define MyAppPublisher "3D Robotics, Inc"
+#define MyAppURL "https://github.com/diydrones/dronekit-python"
+#define MyAppExeName ""
+
+[Setup]
+; NOTE: The value of AppId uniquely identifies this application.
+; Do not use the same AppId value in installers for other applications.
+; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
+AppId={{35EE5962-C212-4874-90EC-50863DD1537D}
+AppName={#MyAppName}
+AppVersion={#MyAppVersion}
+;AppVerName={#MyAppName} {#MyAppVersion}
+AppPublisher={#MyAppPublisher}
+AppPublisherURL={#MyAppURL}
+AppSupportURL={#MyAppURL}
+AppUpdatesURL={#MyAppURL}
+CreateAppDir=no
+OutputBaseFilename=DroneAPIsetup-{#MyAppVersion}
+Compression=lzma
+SolidCompression=yes
+LicenseFile=..\LICENSE
+DisableDirPage=yes
+
+[Languages]
+Name: "english"; MessagesFile: "compiler:Default.isl"
+
+[Files]
+Source: "..\droneapi\*"; DestDir: "{code:GetMAVProxyPath}\droneapi"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "..\examples\*"; DestDir: "{code:GetMAVProxyPath}\examples"; Flags: ignoreversion recursesubdirs createallsubdirs
+; NOTE: Don't use "Flags: ignoreversion" on any shared system files
+
+; Check if MAVProxy is installed (if so, get the install path)
+[Code]
+function IsMAVProxyInstalled: boolean;
+begin
+  result := RegKeyExists(HKEY_LOCAL_MACHINE,
+    'Software\Microsoft\Windows\CurrentVersion\Uninstall\{D81B9EDA-1357-462E-96E4-B47372709F7C}_is1');
+end;
+
+function GetMAVProxyPath(Dummy: string): string;
+var
+  sInstallPath: string;
+  MAVProxyPath: string;
+begin
+  MAVProxyPath := 'Software\Microsoft\Windows\CurrentVersion\Uninstall\{D81B9EDA-1357-462E-96E4-B47372709F7C}_is1'
+  sInstallPath := '';
+  RegQueryStringValue(HKLM, MAVProxyPath, 'InstallLocation', sInstallPath);
+  Result := sInstallPath;
+end;
+
+function InitializeSetup: boolean;
+begin
+  result := IsMAVProxyInstalled;
+  if not result then
+    MsgBox('You need to install MAVProxy before you install DroneAPI. Install MAVProxy and then run this installer again.', mbError, MB_OK);
+end;
+
+function MAVDir_CreatePage(PreviousPageId: Integer): Integer; 
+var
+  Page: TWizardPage;
+  Label1: TLabel;
+  MAVDir: TEdit;
+begin
+  Page := CreateCustomPage(
+    PreviousPageId,
+    'Installation Directory',
+    ''
+  );
+
+  Label1 := TLabel.Create(Page);
+  with Label1 do
+  begin
+    Parent := Page.Surface;
+    Caption := 'DroneAPI will be installed in the MAVProxy directory:'
+    Left := ScaleX(16);
+    Top := ScaleY(0);
+    Width := ScaleX(300);
+    Height := ScaleY(17);
+  end;
+
+  MAVDir := TEdit.Create(Page);
+  with MAVDir do
+  begin
+    Parent := Page.Surface;
+    Left := ScaleX(16);
+    Top := ScaleY(24);
+    Width := ScaleX(300);
+    Height := ScaleY(25);
+    TabOrder := 0;
+    Text := GetMAVProxyPath('');
+    Enabled := False;
+  end
+
+end;
+
+procedure InitializeWizard();
+begin
+  MAVDir_CreatePage(wpLicense);
+end;

windows/returnVersion.py

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+# This script reads the setup.py and returns the current version number
+# Used as part of building the WIndows setup file (DronekitWinBuild.bat)
+# It assumes there is a line like this:
+# version = "12344"
+
+# glob supports Unix style pathname extensions
+with open("../setup.py") as f:
+    searchlines = f.readlines()
+    for i, line in enumerate(searchlines):
+        if "version = " in line: 
+            print line[11:len(line)-2]
+            break