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# Progress.py - progress reporting classes
#
# Copyright (c) 2005 Canonical
#
# Author: Michael Vogt <michael.vogt@ubuntu.com>
#
# 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 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
import sys
class OpProgress:
""" Abstract class to implement reporting on cache opening
Subclass this class to implement simple Operation progress reporting
"""
def __init__(self):
pass
def update(self, percent):
pass
def done(self):
pass
class OpTextProgress(OpProgress):
""" A simple text based cache open reporting class """
def __init__(self):
OpProgress.__init__(self)
def update(self, percent):
sys.stdout.write("\r%s: %.2i " % (self.subOp,percent))
sys.stdout.flush()
def done(self):
sys.stdout.write("\r%s: Done\n" % self.op)
class FetchProgress:
""" Report the download/fetching progress
Subclass this class to implement fetch progress reporting
"""
def __init__(self):
pass
def start(self):
pass
def stop(self):
pass
def updateStatus(self, uri, descr, shortDescr, status):
pass
def pulse(self):
return True
def mediaChange(self, medium, drive):
pass
class InstallProgress:
""" Report the install progress
Subclass this class to implement install progress reporting
"""
def __init__(self):
pass
def startUpdate(self):
pass
def finishUpdate(self):
pass
def updateInterface(self):
pass
class CdromProgress:
""" Report the cdrom add progress
Subclass this class to implement cdrom add progress reporting
"""
def __init__(self):
pass
def update(self, text, step):
""" update is called regularly so that the gui can be redrawn """
pass
def askCdromName(self):
pass
def changeCdrom(self):
pass
# module test code
if __name__ == "__main__":
import apt_pkg
apt_pkg.init()
progress = OpTextProgress()
cache = apt_pkg.GetCache(progress)
depcache = apt_pkg.GetDepCache(cache)
depcache.Init(progress)
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