Difference: TWikiPlugins (16 vs. 17)

Revision 172001-09-28 - MikeMannix

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TWiki Plugins

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  • Dev page: Post feature requests, bug reports and general dev comments; topic title ends in Dev (SomePluginDev).
  • User support: Post installation, how to use type questions (and answers, if you have them) in the TWiki:Support web.
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On-Site Pretesting

To test new Plugins on your installation before making them public, you may want to use one of these two approaches:

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  • Method 1: Create Production and a Test installation of TWiki.
    • Duplicate the twiki/bin and twiki/lib directories for the Test version, adjusting the paths in the new lib/TWiki.cfg, the twiki/data; the twiki/templates and twiki/pub directories are shared.
    • Test Plugins and other new features in the Test installation until you're satisfied.
    • Copy the modified files to the Production installation. You can update a live TWiki installation and users won't even notice.
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  • Method 1: Safely test on-the-fly by creating separate Production and Test branches in your live TWiki installation.
    • Duplicate the twiki/bin and twiki/lib directories for the Test version, adjusting the paths in the new lib/TWiki.cfg, the twiki/data; the twiki/templates and twiki/pub directories are shared.
    • Test Plugins and other new features in the Test installation until you're satisfied.
      • ALERT! If you modify topics using the new features, live users will likely see unfamiliar new META tags showing up on their pages - to avoid this, create and edit test-only topics to try out new features.
    • Copy the modified files to the Production installation. You can update a TWiki installation live and users won't even notice.
 
  • Method 2: List the Plugin under Test in the DISABLEDPLUGINS variable in TWikiPreferences. Redefine the DISABLEDPLUGINS variable in the Test web and do the testing there.
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  The lib/TWiki/Func.pm implements ALL official Plugin functions. Plugins should ONLY use functions published in this module.
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<		DevALERT: If you use functions not in Func.pm, you run the risk of creating security holes. Also, your Plugin will likely break and require updating when you upgrade to a new version of TWiki.
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>		ALERT! If you use functions not in Func.pm, you run the risk of creating security holes. Also, your Plugin will likely break and require updating when you upgrade to a new version of TWiki.
 
  • For best performance, enable only the functions you really need. NOTE: outsidePREHandler and insidePREHandler are particularly expensive.
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