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# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import optparse
try:
import gzip
except ImportError:
sys.exit(0)
from mailman import MailList
from mailman.configuration import config
from mailman.core.i18n import _
from mailman.initialize import initialize
from mailman.version import MAILMAN_VERSION
def parseargs():
parser = optparse.OptionParser(version=MAILMAN_VERSION,
usage=_("""\
%prog [options] [listname ...]
Re-generate the Pipermail gzip'd archive flat files."""))
parser.add_option('-v', '--verbose',
default=False, action='store_true',
help=_("Print each file as it's being gzip'd"))
parser.add_option('-z', '--level',
default=6, type='int',
help=_('Specifies the compression level'))
parser.add_option('-C', '--config',
help=_('Alternative configuration file to use'))
opts, args = parser.parse_args()
if opts.level < 1 or opts.level > 9:
parser.print_help()
print >> sys.stderr, _('Illegal compression level: $opts.level')
sys.exit(1)
return opts, args, parser
def compress(txtfile, opts):
if opts.verbose:
print _("gzip'ing: $txtfile")
infp = outfp = None
try:
infp = open(txtfile)
outfp = gzip.open(txtfile + '.gz', 'wb', opts.level)
outfp.write(infp.read())
finally:
if outfp:
outfp.close()
if infp:
infp.close()
def main():
opts, args, parser = parseargs()
initialize(opts.config)
if config.ARCHIVE_TO_MBOX not in (1, 2) or config.GZIP_ARCHIVE_TXT_FILES:
# We're only going to run the nightly archiver if messages are
# archived to the mbox, and the gzip file is not created on demand
# (i.e. for every individual post). This is the normal mode of
# operation.
return
# Process all the specified lists
for listname in set(args or config.list_manager.names):
mlist = MailList.MailList(listname, lock=False)
if not mlist.archive:
continue
dir = mlist.archive_dir()
try:
allfiles = os.listdir(dir)
except OSError:
# Has the list received any messages? If not, last_post_time will
# be zero, so it's not really a bogus archive dir.
if mlist.last_post_time > 0:
print _('List $listname has a bogus archive_directory: $dir')
continue
if opts.verbose:
print _('Processing list: $listname')
files = []
for f in allfiles:
if os.path.splitext(f)[1] <> '.txt':
continue
# stat both the .txt and .txt.gz files and append them only if
# the former is newer than the latter.
txtfile = os.path.join(dir, f)
gzpfile = txtfile + '.gz'
txt_mtime = os.path.getmtime(txtfile)
try:
gzp_mtime = os.path.getmtime(gzpfile)
except OSError:
gzp_mtime = -1
if txt_mtime > gzp_mtime:
files.append(txtfile)
for f in files:
compress(f, opts)
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