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#!/usr/bin/env python
# **********************************************************************
#
# Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
#
# This copy of Ice is licensed to you under the terms described in the
# ICE_LICENSE file included in this distribution.
#
# **********************************************************************
#
# This script upgrades an IceStorm registry database environment from
# the 3.1.x version of IceStorm to the new format.
#
# Usage:
#
# python upgradeicestorm.py olddbenv newdbenv
#
# Where:
#
# olddbenv is the path of the Ice 3.1.x registry database environment
# newdbenv is the path of the Ice 3.2 registry database environment
#
import sys, os, tempfile
olddbenv = None
newdbenv = None
bindir = None
slicedir = None
#
# Show usage information.
#
def usage():
print "Usage: " + sys.argv[0] + " [options] olddbenv newdbenv"
print
print "Options:"
print "-h Show this message."
def printOutputFromPipe(pipe):
while 1:
line = pipe.readline()
if not line:
break
if line.find("warning") == -1:
os.write(1, line)
def error(message):
print "error: " + message
sys.exit(1)
def transformdb(db, desc, oldSlice, newSlice):
global olddbenv, newdbenv, slicedir, bindir
temp, oldSliceFile = tempfile.mkstemp("oldslice.ice")
os.write(temp, oldSlice)
os.close(temp)
temp, newSliceFile = tempfile.mkstemp("newslice.ice")
os.write(temp, newSlice)
os.close(temp)
temp, descFile = tempfile.mkstemp("desc.xml")
os.write(temp, desc)
os.close(temp)
transformdb = os.path.join(bindir, "transformdb") + " -i --old " + oldSliceFile + " --new " + newSliceFile + \
" -f " + descFile + " " + olddbenv + " " + db + " " + newdbenv + " 2>&1"
pipe = os.popen(transformdb)
printOutputFromPipe(pipe)
os.remove(oldSliceFile)
os.remove(newSliceFile)
os.remove(descFile)
if pipe.close():
sys.exit(1)
#
# Check arguments
#
olddbenv = ""
newdbenv = ""
for x in sys.argv[1:]:
if x == "-h":
usage()
sys.exit(0)
elif x.startswith("-"):
print sys.argv[0] + ": unknown option `" + x + "'"
print
usage()
sys.exit(1)
elif olddbenv == "":
olddbenv = x
elif newdbenv == "":
newdbenv = x
else:
usage()
sys.exit(0)
if not os.path.exists(olddbenv):
error("database environment `" + olddbenv + "' doesn't exist")
if not os.path.exists(newdbenv):
error("database environment `" + newdbenv + "' doesn't exist")
elif os.path.exists(os.path.join(newdbenv, "topics")):
error("database environment `" + newdbenv + "' already has databases")
icedir = os.getenv("ICE_HOME")
if icedir == None:
icedir = os.path.join(os.path.dirname(sys.argv[0]), "..")
for bindir in [os.path.join(icedir, "bin"), "/usr/bin"]:
bindir = os.path.normpath(bindir)
if os.path.exists(os.path.join(bindir, "transformdb")):
break
else:
error("can't locate the `transformdb' executable")
desc = \
'<transformdb>' + \
' <database key="string,Ice::Identity" value="IceStorm::LinkRecordDict,IceStorm::LinkRecordSeq">' + \
' <record>' + \
' <set target="newkey.name" value="oldkey"/>' + \
' <iterate target="oldvalue">' + \
' <add target="newvalue" index="0" value="value"/>' + \
' </iterate>' + \
' </record>' + \
' </database>' + \
'</transformdb>'
oldSlice = \
'module IceStorm' + \
'{' + \
'interface TopicLink;' + \
'interface Topic;' + \
'struct LinkRecord' + \
'{' + \
' TopicLink* obj;' + \
' int cost;' + \
' Topic* theTopic;' + \
'};' + \
'dictionary<string, LinkRecord> LinkRecordDict;' + \
'};'
newSlice = \
'module Ice' + \
'{' + \
'struct Identity' + \
'{' + \
' string name;' + \
' string category;' + \
'};' + \
'};' + \
'module IceStorm' + \
'{' + \
'interface TopicLink;' + \
'interface Topic;' + \
'struct LinkRecord' + \
'{' + \
' TopicLink* obj;' + \
' int cost;' + \
' Topic* theTopic;' + \
'};' + \
'sequence<LinkRecord> LinkRecordSeq;' + \
'};'
transformdb("topics", desc, oldSlice, newSlice)
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