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Viewing changes to tools/upgrade_pre_script.py

  • Committer: Bazaar Package Importer
  • Author(s): Rolf Leggewie
  • Date: 2008-07-26 13:29:41 UTC
  • Revision ID: james.westby@ubuntu.com-20080726132941-6ldd73qmacrzz0bn
Tags: upstream-0.14.0
Import upstream version 0.14.0

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tools/upgrade_pre_script.py
 
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import sys, os.path
 
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def dump_old_data ():
 
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    try:
 
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        import gourmet
 
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    except ImportError:
 
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        sys.path.append(os.path.join(os.path.sep+'usr','share'))
 
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        try:
 
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            import gourmet
 
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        except:
 
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            print 'No previous gourmet installation found.'
 
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            return
 
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    import gourmet.recipeManager as recipeManager # The *old* Gourmet
 
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    # We need to get our upgradeHandler from the *new* Gourmet...
 
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    gourmet_base_path = os.path.split(os.path.split(os.path.abspath(__file__))[0])[0]
 
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    sys.path.append(os.path.join(gourmet_base_path,
 
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                                 'src',
 
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                                 'lib')
 
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                    )
 
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    print 'just added',sys.path[-1]
 
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    import glob
 
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    import upgradeHandler
 
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    #for mkdata in glob.glob('/home/*/.gourmet/recipes.mk'):
 
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    for mkdata in ['/home/tom/Projects/grm-db-experiments/src/lib/exporters/reference_setup/recipes.mk']:
 
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        print 'Dumping old recipe database',mkdata,'...'
 
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        stat = os.stat(mkdata)
 
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        uid,gid = stat.st_uid,stat.st_gid
 
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        recipeManager.dbargs['file']=mkdata
 
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        try:
 
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            recipeManager.RecipeManager(**recipeManager.dbargs)
 
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        except:
 
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            print 'Unable to load old database in ',mkdata
 
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            continue
 
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        se = upgradeHandler.SimpleExporter()
 
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        ofi = os.path.join(os.path.split(mkdata)[0],
 
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                     'GOURMET_DATA_DUMP')
 
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        se.write_data(file(ofi,'w'))
 
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        del se
 
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        del recipeManager
 
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        os.chown(ofi,uid,gid)
 
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        os.chown(mkdata,uid,gid)
 
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        print 'Saved data in backup file ',ofi
 
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        print 'Data will be imported on first start of the new Gourmet by the appropriate user.'
 
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if __name__ == '__main__':
 
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    try:
 
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        dump_old_data()        
 
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    except:
 
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        import traceback
 
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        traceback.print_exc()
 
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        sys.exit(1)
 
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    else:
 
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        sys.exit(0)