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1 #!/usr/bin/env python
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2 #
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3 # This script completely migrates a <= 0.8.x Trac environment to use the new
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4 # default ticket model introduced in Trac 0.9.
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5 #
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6 # In particular, this means that the severity field is removed (or rather
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7 # disabled by removing all possible values), and the priority values are
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8 # changed to the more meaningful new defaults.
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9 #
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10 # Make sure to make a backup of the Trac environment before running this!
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11
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12 import os
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13 import sys
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14
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15 from trac.env import open_environment
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16 from trac.ticket.model import Priority, Severity
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17
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18 priority_mapping = {
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19 'highest': 'blocker',
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20 'high': 'critical',
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21 'normal': 'major',
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22 'low': 'minor',
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23 'lowest': 'trivial'
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24 }
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25
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26 def main():
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27 if len(sys.argv) < 2:
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28 print >> sys.stderr, 'usage: %s /path/to/projenv' \
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29 % os.path.basename(sys.argv[0])
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30 sys.exit(2)
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31
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32 env = open_environment(sys.argv[1])
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33 db = env.get_db_cnx()
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34
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35 for oldprio, newprio in priority_mapping.items():
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36 priority = Priority(env, oldprio, db)
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37 priority.name = newprio
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38 priority.update(db)
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39
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40 for severity in list(Severity.select(env, db)):
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41 severity.delete(db)
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42
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43 db.commit()
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44
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45 if __name__ == '__main__':
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46 main()
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