golden hour

/usr/lib/python2.7/site-packages/yum

File/Folder	Size	Actions
Errors.py	4.26 KB
Errors.pyc	9.08 KB
__init__.py	304.17 KB
__init__.pyc	199.58 KB
callbacks.py	5.64 KB
callbacks.pyc	6.23 KB
comps.py	31.59 KB
comps.pyc	26.87 KB
config.py	49.89 KB
config.pyc	48.02 KB
constants.py	4.94 KB
constants.pyc	3.46 KB
depsolve.py	74.05 KB
depsolve.pyc	46.75 KB
drpm.py	12.65 KB
drpm.pyc	10.69 KB
failover.py	5 KB
failover.pyc	5.24 KB
fssnapshots.py	10.16 KB
fssnapshots.pyc	9.75 KB
history.py	61.13 KB
history.pyc	53.31 KB
i18n.py	20.44 KB
i18n.pyc	16.05 KB
igroups.py	9.31 KB
igroups.pyc	10.22 KB
logginglevels.py	7.9 KB
logginglevels.pyc	6.51 KB
mdparser.py	6.26 KB
mdparser.pyc	7.58 KB
metalink.py	9.19 KB
metalink.pyc	8.84 KB
misc.py	39.57 KB
misc.pyc	39.58 KB
packageSack.py	40.79 KB
packageSack.pyc	41.88 KB
packages.py	84.1 KB
packages.pyc	84.51 KB
parser.py	7.97 KB
parser.pyc	6.5 KB
pgpmsg.py	53.5 KB
pgpmsg.pyc	38.27 KB
pkgtag_db.py	4.86 KB
pkgtag_db.pyc	5.06 KB
plugins.py	28.1 KB
plugins.pyc	29.1 KB
repoMDObject.py	11.23 KB
repoMDObject.pyc	9.17 KB
repos.py	16.53 KB
repos.pyc	17.38 KB
rpmsack.py	70.25 KB
rpmsack.pyc	58.36 KB
rpmtrans.py	24.84 KB
rpmtrans.pyc	22.54 KB
sqlitesack.py	69.76 KB
sqlitesack.pyc	53.75 KB
sqlutils.py	6.27 KB
sqlutils.pyc	5.6 KB
transactioninfo.py	33.78 KB
transactioninfo.pyc	30.29 KB
update_md.py	25.9 KB
update_md.pyc	21.72 KB
updateinfo.py	18.29 KB
updateinfo.pyc	16.36 KB
yumRepo.py	83.85 KB
yumRepo.pyc	64.83 KB

Edit: failover.py

#!/usr/bin/python
# 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 2003 Jack Neely, NC State University

# Here we define a base class for failover methods.  The idea here is that each
# failover method uses a class derived from the base class so yum only has to
# worry about calling get_serverurl() and server_failed() and these classes will 
# figure out which URL to cough up based on the failover method.

"""Classes for handling failovers for server URLs."""

import random

class baseFailOverMethod:
    """A base class to provide a failover to switch to a new server if
    the current one fails.
    """
    def __init__(self, repo):
        self.repo = repo
        self.failures = 0
    
    def get_serverurl(self, i=None):
        """Return a server URL based on this failover method, or None
        if there is a complete failure.  This method should always be
        used to translate an index into a URL, as this object may
        change how indexes map.

:param i: if given, this is the index of the server URL to
           return, instead of using the failures counter
        :return: the next server URL
        """
        return None
        
    def server_failed(self):
        """Notify the failover method that the current server has
        failed.
        """
        self.failures = self.failures + 1
        
    def reset(self, i=0):
        """Reset the failures counter to the given index.

:param i: the index to reset the failures counter to
        """
        self.failures = i

def get_index(self):
        """Return the current number of failures, which is also the
        current index into the list of URLs that this object
        represents.  :fun:`get_serverurl` should always be used to
        translate an index into a URL, as this object may change how
        indexes map.

:return: the current number of failures, which is also the
           current index   
        """
        return self.failures
   
    def len(self):
        """Return the total number of URLs available to cycle through
        in this object.

:return: the total number of URLs available
        """
        return len(self.repo.urls)

class priority(baseFailOverMethod):
    """A class to provide a failover to switch to a new server
    if the current one fails.  This classes chooses the next server
    based on the first success in the list of servers.
    """
    def get_serverurl(self, i=None):
        """Return the next successful server URL in the list, or None
        if there is a complete failure.  This method should always be
        used to translate an index into a URL, as this object may
        change how indexes map.

:param i: if given, this is the index of the server URL to
           return, instead of using the failures counter
        :return: the next server URL
        """
        if i == None:
            index = self.failures
        else:
            index = i
        
        if index >= len(self.repo.urls):
            return None
        
        return self.repo.urls[index]
        
        
    
class roundRobin(baseFailOverMethod):
    """A class to provide a failover to switch to a new server
    if the current one fails.  When an object of this class is
    created, it selects a random place in the list of URLs to begin
    with, then each time :func:`get_serveurl` is called, the next URL
    in the list is returned, cycling back to the beginning of the list
    after the end is reached.
    """
    def __init__(self, repo):
        baseFailOverMethod.__init__(self, repo)
        random.seed()
        self.offset = random.randint(0, 37)
    
    def get_serverurl(self, i=None):
        """Return the next successful server URL in the list, using
        the round robin scheme, or None if there is a complete
        failure.  This method should always be used to translate an
        index into a URL, as this object may change how indexes map.

# SDG