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# author: Jonathan Dieter <jdieter@gmail.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 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
class PrestoLog:
def __init__(self, conduit, log_filename):
# Open log file for reading
try:
log_file = open(log_filename, "r")
log_exists = True
except:
conduit.info(7, "Info: %s doesn't exist. Will create." % log_filename)
log_exists = False
# Log file doesn't exist, create
if not log_exists:
try:
log_file = open(log_filename, "w")
log_file.close()
log_exists = True
except:
conduit.info(2, "Warning: Unable to write to %s" % log_filename)
if log_exists:
try:
log_file = open(log_filename, "r")
except:
conduit.info(2, "Warning: Unable to open %s for reading." % log_filename)
log_exists = False
# Cycle through items already in log so we can come up with total savings
if log_exists:
self.total_rpm_size = 0
self.total_drpm_size = 0
# Get rid of header line
log_file.readline()
data = log_file.readline()
while data != "":
fc = data.rfind("-")
sc = data.rfind("-", 0, fc-1)
tc = data.rfind("-", 0, sc-1)
lc = data.rfind("-", 0, tc-1)
if lc != -1 and tc != -1 and sc != -1 and fc != -1:
self.total_rpm_size += int(data[lc+1:tc])
self.total_drpm_size += int(data[tc+1:sc])
data = log_file.readline()
log_file.close()
try:
log_file = open(log_filename, "a")
except:
conduit.info(2, "Warning: Unable to open %s for writing." % log_filename)
self.log_file = None
else:
self.log_file = log_filename
log_file.close()
def log(self, oldrpm_name, newrpm_name, rpm_size, drpm_size):
# Write data to log
self.total_rpm_size += rpm_size
self.total_drpm_size += drpm_size
if self.log_file != None:
try:
log_file = open(self.log_file, "a")
except:
pass
else:
log_file.write("%s => %s - %i - %i - %i - %i\n" % (oldrpm_name, newrpm_name, rpm_size, drpm_size, 100 - ((drpm_size * 100) / rpm_size), 100 - ((self.total_drpm_size * 100) / self.total_rpm_size)))
log_file.close()
def close(self):
if self.log_file != None:
try:
self.log_file.close()
except:
pass
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