Viewing file:  yummain.py (4.92 KB) -rw-r--r--
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#!/usr/bin/python -t
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2005 Duke University
import sys
import locale
import time # test purposes only
from yum import Errors
from yum import plugins
import cli
from i18n import _
YUM_PID_FILE = '/var/run/yum.pid'
def main(args):
"""This does all the real work"""
def exUserCancel():
base.errorlog(0, '\n\nExiting on user cancel')
unlock()
sys.exit(1)
def exIOError(e):
if e.errno == 32:
base.errorlog(0, '\n\nExiting on Broken Pipe')
unlock()
sys.exit(1)
def exPluginExit(e):
'''Called when a plugin raises PluginYumExit.
Log the plugin's exit message if one was supplied.
'''
exitmsg = str(e)
if exitmsg:
base.errorlog(2, '\n\n%s' % exitmsg)
unlock()
sys.exit(1)
def exFatal(e):
base.errorlog(0, '\n\n%s' % str(e))
unlock()
sys.exit(1)
def unlock():
try:
base.closeRpmDB()
base.doUnlock(YUM_PID_FILE)
except Errors.LockError, e:
sys.exit(200)
locale.setlocale(locale.LC_ALL, '')
# our core object for the cli
base = cli.YumBaseCli()
# do our cli parsing and config file setup
# also sanity check the things being passed on the cli
try:
base.getOptionsConfig(args)
except plugins.PluginYumExit, e:
exPluginExit(e)
except Errors.YumBaseError, e:
exFatal(e)
try:
base.doLock(YUM_PID_FILE)
except Errors.LockError, e:
base.errorlog(0,'%s' % e.msg)
sys.exit(200)
# build up an idea of what we're supposed to do
if base.basecmd == 'shell':
do = base.doShell
else:
do = base.doCommands
try:
result, resultmsgs = do()
except plugins.PluginYumExit, e:
exPluginExit(e)
except Errors.YumBaseError, e:
result = 1
resultmsgs = [str(e)]
except KeyboardInterrupt:
exUserCancel()
except IOError, e:
exIOError(e)
# Act on the command/shell result
if result == 0:
# Normal exit
for msg in resultmsgs:
base.log(2, '%s' % msg)
unlock()
sys.exit(0)
elif result == 1:
# Fatal error
for msg in resultmsgs:
base.errorlog(0, 'Error: %s' % msg)
unlock()
sys.exit(1)
elif result == 2:
# Continue on
pass
elif result == 100:
unlock()
sys.exit(100)
else:
base.errorlog(0, 'Unknown Error(s): Exit Code: %d:' % result)
for msg in resultmsgs:
base.errorlog(0, msg)
unlock()
sys.exit(3)
# Depsolve stage
base.log(2, 'Resolving Dependencies')
base.log(3, time.time())
try:
(result, resultmsgs) = base.buildTransaction()
except plugins.PluginYumExit, e:
exPluginExit(e)
except Errors.YumBaseError, e:
result = 1
resultmsgs = [str(e)]
except KeyboardInterrupt:
exUserCancel()
except IOError, e:
exIOError(e)
# Act on the depsolve result
if result == 0:
# Normal exit
unlock()
sys.exit(0)
elif result == 1:
# Fatal error
for msg in resultmsgs:
base.errorlog(0, 'Error: %s' % msg)
unlock()
sys.exit(1)
elif result == 2:
# Continue on
pass
else:
base.errorlog(0, 'Unknown Error(s): Exit Code: %d:' % result)
for msg in resultmsgs:
base.errorlog(0, msg)
unlock()
sys.exit(3)
base.log(2, '\nDependencies Resolved')
base.log(3, time.time())
# Run the transaction
try:
base.doTransaction()
except plugins.PluginYumExit, e:
exPluginExit(e)
except Errors.YumBaseError, e:
exFatal(e)
except KeyboardInterrupt:
exUserCancel()
except IOError, e:
exIOError(e)
base.log(2, 'Complete!')
unlock()
sys.exit(0)
if __name__ == "__main__":
#import hotshot
#p = hotshot.Profile(os.path.expanduser("~/yum.prof"))
#p.run('main(sys.argv[1:])')
#p.close()
try:
main(sys.argv[1:])
except KeyboardInterrupt, e:
print >> sys.stderr, "\n\nExiting on user cancel."
sys.exit(1)
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