Set a breakpoint in your script by clicking in the column directly to the right of the line numbers.or using Project | Project Directory | Set From Current File. Set the project directory to the directory of your plugin by going to Project | Project Directory | Choose.Make sure your plugin script is open in ZBS.Therefore, the debugger server must be started before executing your plugin. When your script hits the LrMobdebug.start() command, this command will connect your script to the ZeroBrane debugger server. Open ZeroBrane Studio, go to Project | Start Debugger Server and start the debugger server (if this menu item is checked or disabled, the server is already started).Now, we're ready to start stepping interactively through our application. LrTasks.startAsyncTask(function() LrMobdebug.on(). execution will stop immediately after it if you do not want this behavior, you can use the nonstart = true configuration setting in ZeroBrane Studio in order to avoid breaking at that point.)Īdd LrMobdebug.on() after the beginning of any coroutine, i.e. (Note: LrMobdebug.start() will usually act like a breakpoint, i.e. This will connect your script, running within the Lightroom environment, to the ZeroBrane debugger server and thus enable debugging from that execution point. Note: Import will throw an error if this module is not present, so if you are deploying your plugin on a customer's system, you'd need to comment out or remove all calls which refer to LrMobdebug.Īdd LrMobdebug.start() call at the point where you would like the debugging to start. Now, add the following line somewhere near the beginning of your plugin: local LrMobdebug = import 'LrMobdebug'. So, if you're using LR 5.3, make sure you set major version in that file to 5 and minor to 3. The version field in the a manifest there has to match the major.minor version number of your Lightroom installation, or the debugging will not work (as the module will not be loaded by Lightroom). Have a look at the file mobdebug.lrmodule you just installed.This module is not a plugin and don't need to be installed/added as a plugin to LR. This module contains the LrMobdebug namespace which will enable LR to communicate with ZBS. Windows: C:\Program Files\Adobe\Adobe Photoshop Lightroom 5.3\Modules\mobdebug.lrmodule.Mac: ~/Library/Application\ Support/Adobe/Lightroom/Modules/mobdebug.lrmodule.Copy the files a, a, and a into the following directory:.In order to use ZeroBrane Studio (ZBS) as an interactive debugger, you now need to make some (minor) modifications to your script and environment so that the plugin and ZBS can communicate: Start the plugin by selecting this menu item, and a dialog such as the following should appear:
If all has gone according to plan, you should now be able to find the plugin in the menu File | Plug-in Extras | Show Exposure Value. For development purposes, do check the Reload plug-in on each export option this way you can be sure that the latest version of your script will be run. The plugin should now show as Display Exposure Value: Installed and running in the left column. To make the plugin known to Lightroom, open File | Plugin-Manager. If you want to learn more about developing an LR plugin, please have a look at the Lightroom SDK, in particular the programmer's guide and the API reference. lrdevplugin as an extension on OSX if you want to avoid this. This can sometimes be problematic during development, and you can thus use. lrplugin directories are recognized and treated as a package (single file). lrplugin extension will make LR recognize this directory as a plugin. Put these two files into a directory called ExposureValue.lrplugin the directory can reside anywhere on your hard disk. It is referenced from your a file, as shown in the highlighted fragment above. (2) Your actual plugin, which is called a in this example. (1) The a file, which is a manifest that provides information about your plugin to LR. To create a plugin for LR, you have to create at least two files and one directory: The plugin shows the exposure value to the user.
We use the following short script to demonstrate developing and debugging of a Lightroom (LR) plugin in ZeroBrane Studio Lua IDE. Minimally useful demo Lightroom plugin script
ADOBE PHOTOSHOP LIGHTROOM 3 PLUGINS FULL
However, there is now the possibility to use full in-editor interactive debugging which we will briefly demonstrate in this article. Debugging Lightroom plugin scripts has often been a somewhat cumbersome process, in which one had to resort to printing of variables to the console in order to understand what's going on in your plugin. (This post is by Christopher Reimold, who tested and documented the details of Adobe Lightroom plugin debugging.)Īdobe Photoshop Lightroom is a photo management and editing program that offers the ability to extend its functionality through plugins written in Lua.
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