Review Request: Implement automatic scanning of source code for required data engines

[Kevin Kofler]

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This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/102350/
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(Updated Sept. 27, 2011, 11:38 p.m.)


Review request for Plasma.


Changes
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plasma-dataengine-depextractor:
* Autodetect the API/language used instead of requiring a command-line argument (and silently assuming C++ when it is not provided).
* Dropped the now unnecessary --api flag. (I can't find anybody using the plasma-dataengine-depextractor yet, but if you do, please just remove the "-a language" or "--api language" parameter.)


Description
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For packages in scripting languages and distributed through OCS, this is fully
automatic and triggered from Package::installPackage. If an
X-Plasma-RequiredDataEngines entry is present in the .desktop file (even if
empty), the dependency extraction is not run and the explicitly provided
information is trusted instead.

For native distribution packages, we ship a tool called
plasma-dataengine-depextractor which can be run at any time during the build
process and which adds the dependency information to the relevant .desktop file.

Authors of plasmoids are encouraged to run plasma-dataengine-depextractor and/or
fill in X-Plasma-RequiredDataEngines manually. (Please note that the list is
expected to be comma-separated.)

This is the final portion of my GSoC 2011 project.


Diffs (updated)
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  plasma/CMakeLists.txt f929967 
  plasma/depextractor/depextractor.cpp PRE-CREATION 
  plasma/package.cpp 4c00d36 
  plasma/private/componentinstaller.cpp 870667f 
  plasma/private/componentinstaller_p.h f85cbb6 

Diff: http://git.reviewboard.kde.org/r/102350/diff/diff


Testing
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Compiles on Fedora 15.

Tested plasma-dataengine-depextractor on the weather plasmoid, it detected the dependency on the weather dataengine correctly and wrote a valid X-Plasma-RequiredDataEngines entry into the .desktop file.


Thanks,

Kevin Kofler

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