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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
"""
Entrance point for the yum command line interface.
"""
import os
import os.path
import sys
import logging
import time
from yum import Errors
from yum import plugins
from yum import logginglevels
from yum import _
from yum.i18n import to_unicode
import yum.misc
import cli
def main(args):
"""This does all the real work"""
yum.misc.setup_locale(override_time=True)
def exUserCancel():
logger.critical(_('\n\nExiting on user cancel'))
if unlock(): return 200
return 1
def exIOError(e):
if e.errno == 32:
logger.critical(_('\n\nExiting on Broken Pipe'))
if unlock(): return 200
return 1
def exPluginExit(e):
'''Called when a plugin raises PluginYumExit.
Log the plugin's exit message if one was supplied.
''' # ' xemacs hack
exitmsg = str(e)
if exitmsg:
logger.warn('\n\n%s', exitmsg)
if unlock(): return 200
return 1
def exFatal(e):
logger.critical('\n\n%s', to_unicode(e))
if unlock(): return 200
return 1
def unlock():
try:
base.closeRpmDB()
base.doUnlock()
except Errors.LockError, e:
return 200
return 0
def jiffies_to_seconds(jiffies):
Hertz = 100 # FIXME: Hack, need to get this, AT_CLKTCK elf note *sigh*
return int(jiffies) / Hertz
def seconds_to_ui_time(seconds):
if seconds >= 60 * 60 * 24:
return "%d day(s) %d:%02d:%02d" % (seconds / (60 * 60 * 24),
(seconds / (60 * 60)) % 24,
(seconds / 60) % 60,
seconds % 60)
if seconds >= 60 * 60:
return "%d:%02d:%02d" % (seconds / (60 * 60), (seconds / 60) % 60,
(seconds % 60))
return "%02d:%02d" % ((seconds / 60), seconds % 60)
def show_lock_owner(pid):
if not pid:
return
# Maybe true if /proc isn't mounted, or not Linux ... or something.
if (not os.path.exists("/proc/%d/status" % pid) or
not os.path.exists("/proc/stat") or
not os.path.exists("/proc/%d/stat" % pid)):
return
ps = {}
for line in open("/proc/%d/status" % pid):
if line[-1] != '\n':
continue
data = line[:-1].split(':\t', 1)
if len(data) < 2:
continue
if data[1].endswith(' kB'):
data[1] = data[1][:-3]
ps[data[0].strip().lower()] = data[1].strip()
if 'vmrss' not in ps:
return
if 'vmsize' not in ps:
return
boot_time = None
for line in open("/proc/stat"):
if line.startswith("btime "):
boot_time = int(line[len("btime "):-1])
break
if boot_time is None:
return
ps_stat = open("/proc/%d/stat" % pid).read().split()
ps['utime'] = jiffies_to_seconds(ps_stat[13])
ps['stime'] = jiffies_to_seconds(ps_stat[14])
ps['cutime'] = jiffies_to_seconds(ps_stat[15])
ps['cstime'] = jiffies_to_seconds(ps_stat[16])
ps['start_time'] = boot_time + jiffies_to_seconds(ps_stat[21])
ps['state'] = {'R' : _('Running'),
'S' : _('Sleeping'),
'D' : _('Uninteruptable'),
'Z' : _('Zombie'),
'T' : _('Traced/Stopped')
}.get(ps_stat[2], _('Unknown'))
# This yumBackend isn't very friendly, so...
if ps['name'] == 'yumBackend.py':
nmsg = _(" The other application is: PackageKit")
else:
nmsg = _(" The other application is: %s") % ps['name']
logger.critical("%s", nmsg)
logger.critical(_(" Memory : %5s RSS (%5sB VSZ)") %
(base.format_number(int(ps['vmrss']) * 1024),
base.format_number(int(ps['vmsize']) * 1024)))
ago = seconds_to_ui_time(int(time.time()) - ps['start_time'])
logger.critical(_(" Started: %s - %s ago") %
(time.ctime(ps['start_time']), ago))
logger.critical(_(" State : %s, pid: %d") % (ps['state'], pid))
logger = logging.getLogger("yum.main")
verbose_logger = logging.getLogger("yum.verbose.main")
# 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:
return exPluginExit(e)
except Errors.YumBaseError, e:
return exFatal(e)
lockerr = ""
while True:
try:
base.doLock()
except Errors.LockError, e:
if "%s" %(e.msg,) != lockerr:
lockerr = "%s" %(e.msg,)
logger.critical(lockerr)
logger.critical(_("Another app is currently holding the yum lock; waiting for it to exit..."))
show_lock_owner(e.pid)
time.sleep(2)
else:
break
try:
result, resultmsgs = base.doCommands()
except plugins.PluginYumExit, e:
return exPluginExit(e)
except Errors.YumBaseError, e:
result = 1
resultmsgs = [unicode(e)]
except KeyboardInterrupt:
return exUserCancel()
except IOError, e:
return exIOError(e)
# Act on the command/shell result
if result == 0:
# Normal exit
for msg in resultmsgs:
verbose_logger.log(logginglevels.INFO_2, '%s', msg)
if unlock(): return 200
return 0
elif result == 1:
# Fatal error
for msg in resultmsgs:
logger.critical(_('Error: %s'), msg)
if unlock(): return 200
return 1
elif result == 2:
# Continue on
pass
elif result == 100:
if unlock(): return 200
return 100
else:
logger.critical(_('Unknown Error(s): Exit Code: %d:'), result)
for msg in resultmsgs:
logger.critical(msg)
if unlock(): return 200
return 3
# Depsolve stage
verbose_logger.log(logginglevels.INFO_2, _('Resolving Dependencies'))
try:
(result, resultmsgs) = base.buildTransaction()
except plugins.PluginYumExit, e:
return exPluginExit(e)
except Errors.YumBaseError, e:
result = 1
resultmsgs = [unicode(e)]
except KeyboardInterrupt:
return exUserCancel()
except IOError, e:
return exIOError(e)
# Act on the depsolve result
if result == 0:
# Normal exit
if unlock(): return 200
return 0
elif result == 1:
# Fatal error
for msg in resultmsgs:
logger.critical(_('Error: %s'), msg)
if not base.conf.skip_broken:
verbose_logger.info(_(" You could try using --skip-broken to work around the problem"))
verbose_logger.info(_(" You could try running: package-cleanup --problems\n"
" package-cleanup --dupes\n"
" rpm -Va --nofiles --nodigest"))
base.yumUtilsMsg(verbose_logger.info, "package-cleanup")
if unlock(): return 200
return 1
elif result == 2:
# Continue on
pass
else:
logger.critical(_('Unknown Error(s): Exit Code: %d:'), result)
for msg in resultmsgs:
logger.critical(msg)
if unlock(): return 200
return 3
verbose_logger.log(logginglevels.INFO_2, _('\nDependencies Resolved'))
# Run the transaction
try:
return_code = base.doTransaction()
except plugins.PluginYumExit, e:
return exPluginExit(e)
except Errors.YumBaseError, e:
return exFatal(e)
except KeyboardInterrupt:
return exUserCancel()
except IOError, e:
return exIOError(e)
verbose_logger.log(logginglevels.INFO_2, _('Complete!'))
if unlock(): return 200
return return_code
def hotshot(func, *args, **kwargs):
import hotshot.stats
fn = os.path.expanduser("~/yum.prof")
prof = hotshot.Profile(fn)
rc = prof.runcall(func, *args, **kwargs)
prof.close()
print_stats(hotshot.stats.load(fn))
return rc
def cprof(func, *args, **kwargs):
import cProfile, pstats
fn = os.path.expanduser("~/yum.prof")
prof = cProfile.Profile()
rc = prof.runcall(func, *args, **kwargs)
prof.dump_stats(fn)
print_stats(pstats.Stats(fn))
return rc
def print_stats(stats):
stats.strip_dirs()
stats.sort_stats('time', 'calls')
stats.print_stats(20)
stats.sort_stats('cumulative')
stats.print_stats(40)
def user_main(args, exit_code=False):
""" This calls one of the multiple main() functions based on env. vars """
errcode = None
if 'YUM_PROF' in os.environ:
if os.environ['YUM_PROF'] == 'cprof':
errcode = cprof(main, args)
if os.environ['YUM_PROF'] == 'hotshot':
errcode = hotshot(main, args)
if errcode is None:
errcode = main(args)
if exit_code:
sys.exit(errcode)
return errcode
if __name__ == "__main__":
try:
user_main(sys.argv[1:], exit_code=True)
except KeyboardInterrupt, e:
print >> sys.stderr, _("\n\nExiting on user cancel.")
sys.exit(1)
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