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[RaiMan <rmhdevelop@xxxxxx>]

was in a hurry last night.

It principally works, but every redirected log call returns an error and
the log is repeated in the normal way.

I have fixed it and and some other quirks and will upload later today.

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https://bugs.launchpad.net/bugs/1350735

Title:
  [request] want options to redirect Sikuli's log messages to my own
  logging

Status in Sikuli:
  In Progress

Bug description:
  A previous thread that is closest to answering my current question is:
      https://answers.launchpad.net/sikuli/+question/248604
  in which RaiMan suggest the usage of a setSikuliXLogCallback

  I searched the net for setSikuliXLogCallback, but the only hit I got
  was that thread.  Hence this question/plea for more detail.

  I recently started looking into Sikuli using IDE first, then I moved onto using standalone Jython, and then finally had the courage to venture into using Ruby, which is the primary language of my test framework.
  I was pleasantly surprised how easy and great the interface was. Kudos to RaiMan and contributors on this great tool.

  Now, onto my question...
  I can redirect the java output to a single log file via Debug.setLogFile(log_file). 
  My test framework, however, uses Log4R which direct the log output to multiple files as well as the console. 
  Ideally I would like to redirect the logging requests to my logger to do it's thing, so that I can get all the output like:
  [LOG] CLICK on L(27,10)@S(0)[0,0 1440x900]
  in the standard log files.

  I kind-a implemented a workaround that does this as follows:
  1. I put in a one-line callback patch in the native_exception_protect() method  in the sikulix.rb  file, like this:
              m.bind(self).call(*args)  # previous existing line
              SikuliX4Ruby.post_region_callback(m) if SikuliX4Ruby.respond_to?(:post_region_callback)  # line added

  2.  Redirected the java logs to a temp file first, by defining and calling the following:
  module SikuliLib
     def self.log_file=(log_file)
      @@log_file = log_file
      Debug.setLogFile(log_file)
  end

  3.  Captured the original logoutput and logged it via myLogger as such:
  module SikuliX4Ruby
    def self.post_region_callback(method = nil, obj =nil)
      file = SikuliLib.log_file
      File.readlines(file).each { |line| myLogger.info(line.chomp) } if File.size?(file)
      FileUtils.rm file
    end
  end

  My workaround does the trick for now, but I'm not happy about the fact that I had to copy and patch the sikulix.rb file.
  I would rather not muck with original SikuliX distribution files and use a callback that is officially supported, if there is one (The previous question thread hinted that there might be one already.)

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