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#!/usr/bin/env python
import lxml.etree
import os
import sys
import Bcfg2.Options
def setmodeattr(elem):
"""Set the mode attribute for a given element."""
if elem.attrib.has_key('perms'):
elem.set('mode', elem.get('perms'))
del elem.attrib['perms']
return True
return False
def writefile(f, xdata):
"""Write xml data to a file"""
newfile = open(f, 'w')
newfile.write(lxml.etree.tostring(xdata, pretty_print=True))
newfile.close()
def convertinfo(ifile):
"""Do perms -> mode conversion for info.xml files."""
try:
xdata = lxml.etree.parse(ifile)
except lxml.etree.XMLSyntaxError:
err = sys.exc_info()[1]
print("Could not parse %s, skipping: %s" % (ifile, err))
return
found = False
for i in xdata.findall('//Info'):
found |= setmodeattr(i)
if found:
writefile(ifile, xdata)
def convertstructure(structfile):
"""Do perms -> mode conversion for structure files."""
try:
xdata = lxml.etree.parse(structfile)
except lxml.etree.XMLSyntaxError:
err = sys.exc_info()[1]
print("Could not parse %s, skipping: %s" % (structfile, err))
return
found = False
for path in xdata.xpath('//BoundPath|//Path'):
found |= setmodeattr(path)
if found:
writefile(structfile, xdata)
def main():
parser = Bcfg2.Options.get_parser(
description="Migrate from Bcfg2 1.2 'perms' attribute to 1.3 'mode' "
"attribute")
parser.add_options([Bcfg2.Options.Common.repository,
Bcfg2.Options.Common.plugins])
parser.parse()
repo = Bcfg2.Options.setup.repository
for plugin in Bcfg2.Options.setup.plugins:
if plugin in ['Base', 'Bundler', 'Rules']:
for root, _, files in os.walk(os.path.join(repo, plugin)):
for fname in files:
convertstructure(os.path.join(root, fname))
if plugin not in ['Cfg', 'TGenshi', 'TCheetah', 'SSHbase', 'SSLCA']:
continue
for root, dirs, files in os.walk(os.path.join(repo, plugin)):
for fname in files:
if fname == 'info.xml':
convertinfo(os.path.join(root, fname))
if __name__ == '__main__':
sys.exit(main())
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