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diff --git a/bin/check_db b/bin/check_db
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+#! @PYTHON@
+#
+# Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc.
+#
+# 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.
+
+"""Check a list's config database file for integrity.
+
+All of the following files are checked:
+
+    config.pck
+    config.pck.last
+    config.db
+    config.db.last
+    config.safety
+
+It's okay if any of these are missing.  config.pck and config.pck.last are
+pickled versions of the config database file for 2.1a3 and beyond.  config.db
+and config.db.last are used in all earlier versions, and these are Python
+marshals.  config.safety is a pickle written by 2.1a3 and beyond when the
+primary config.pck file could not be read.
+
+Usage: %(PROGRAM)s [options] [listname [listname ...]]
+
+Options:
+
+    --all / -a
+        Check the databases for all lists.  Otherwise only the lists named on
+        the command line are checked.
+
+    --verbose / -v
+        Verbose output.  The state of every tested file is printed.
+        Otherwise only corrupt files are displayed.
+
+    --help / -h
+        Print this text and exit.
+"""
+
+import sys
+import os
+import errno
+import getopt
+import marshal
+import cPickle
+
+import paths
+from Mailman import mm_cfg
+from Mailman import Utils
+from Mailman.MailList import MailList
+from Mailman.i18n import _
+
+PROGRAM = sys.argv[0]
+
+
+
+def usage(code, msg=''):
+    if code:
+        fd = sys.stderr
+    else:
+        fd = sys.stdout
+    print >> fd, _(__doc__)
+    if msg:
+        print >> fd, msg
+    sys.exit(code)
+
+
+
+def testfile(dbfile):
+    if dbfile.endswith('.db') or dbfile.endswith('.db.last'):
+        loadfunc = marshal.load
+    elif dbfile.endswith('.pck') or dbfile.endswith('.pck.last'):
+        loadfunc = cPickle.load
+    else:
+        assert 0
+    fp = open(dbfile)
+    try:
+        loadfunc(fp)
+    finally:
+        fp.close()
+
+
+def main():
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], 'ahv',
+                                   ['all', 'verbose', 'help'])
+    except getopt.error, msg:
+        usage(1, msg)
+
+    verbose = 0
+    listnames = args
+
+    for opt, arg in opts:
+        if opt in ('-h', '--help'):
+            usage(0)
+        elif opt in ('-v', '--verbose'):
+            verbose = 1
+        elif opt in ('-a', '--all'):
+            listnames = Utils.list_names()
+
+    listnames = [n.lower().strip() for n in listnames]
+    if not listnames:
+        print _('Nothing to do.')
+        sys.exit(0)
+
+    for listname in listnames:
+        if not Utils.list_exists(listname):
+            print _('No list named:'), listname
+            continue
+        mlist = MailList(listname, lock=0)
+        pfile = os.path.join(mlist.fullpath(), 'config.pck')
+        plast = pfile + '.last'
+        dfile = os.path.join(mlist.fullpath(), 'config.db')
+        dlast = dfile + '.last'
+
+        if verbose:
+            print _('List:'), listname
+
+        for file in (pfile, plast, dfile, dlast):
+            status = 0
+            try:
+                testfile(file)
+            except IOError, e:
+                # Don't report ENOENT unless we're in verbose mode
+                if verbose or e.errno <> errno.ENOENT:
+                    status = e
+            except Exception, e:
+                status = e
+            # Report errors
+            if status:
+                if isinstance(status, EnvironmentError):
+                    # This already includes the file name
+                    print '   ', status
+                else:
+                    print '    %s: %s' % (file, status)
+            elif verbose:
+                print _('   %(file)s: okay')
+
+
+
+if __name__ == '__main__':
+    main()