Use maximum compression options.

doc/changelog.txt

@@ -2,6 +2,8 @@
 
 * Added support for ZPAQ archives.
   Closes: GH bug #14
+* Use options for maximum compression when creating archives
+  and the archive program has such options.
 
 
 1.7 (released 27.6.2014)

doc/patool.1

@@ -1,5 +1,5 @@
 .\"                                      -*- nroff -*-
-.\" Copyright (C) 2010-2014 Bastian Kleineidam
+.\" Copyright (C) 2010-2015 Bastian Kleineidam
 .\"
 .\" 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
@@ -94,7 +94,8 @@ List files in archives.
 Create an archive from given files. All of the given files to add
 to the archive must be readable by the current user.
 The format of the archive to create is determined by the archive file
-extension.
+extension. If the archive program has options to maximize file compression,
+\fBpatool\fP uses those options.
 .SS test
 \fBpatool\fP \fBtest\fP <\fIarchive\fP>...
 .PP
@@ -137,4 +138,4 @@ When running under a Unix shell the following aliases can be defined to save som
 .SH AUTHOR
 Bastian Kleineidam <bastian.kleineidam@web.de>
 .SH COPYRIGHT
-Copyright \(co 2010-2014 Bastian Kleineidam
+Copyright \(co 2010-2015 Bastian Kleineidam

doc/patool.txt

@@ -1,4 +1,4 @@
-PATOOL(1)                                                    PATOOL(1)
+PATOOL(1)               General Commands Manual              PATOOL(1)
 
 
 
@@ -91,10 +91,11 @@ COMMANDS
    create
        patool create <archive> <file-or-directory>...
 
-       Create an archive from given files. All of the given  files  to
+       Create  an  archive from given files. All of the given files to
-       add  to  the archive must be readable by the current user.  The
+       add to the archive must be readable by the current  user.   The
-       format of the archive to create is determined  by  the  archive
+       format  of  the  archive to create is determined by the archive
-       file extension.
+       file extension. If the archive program has options to  maximize
+       file compression, patool uses those options.
 
    test
        patool test <archive>...
@@ -146,7 +147,7 @@ AUTHOR
        Bastian Kleineidam <bastian.kleineidam@web.de>
 
 COPYRIGHT
-       Copyright © 2010-2014 Bastian Kleineidam
+       Copyright © 2010-2015 Bastian Kleineidam
 
 
 

patoolib/programs/bzip2.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -25,7 +25,7 @@ def create_bzip2 (archive, compression, cmd, verbosity, filenames):
     cmdlist = [util.shell_quote(cmd)]
     if verbosity > 1:
         cmdlist.append('-v')
-    cmdlist.extend(['-c', '-z', '--'])
+    cmdlist.extend(['-c', '-z', '-9', '--'])
     cmdlist.extend([util.shell_quote(x) for x in filenames])
     cmdlist.extend(['>', util.shell_quote(archive)])
     return (cmdlist, {'shell': True})

patoolib/programs/clzip.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2011-2012 Bastian Kleineidam
+# Copyright (C) 2011-2015 Bastian Kleineidam
 #
 # 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
@@ -14,10 +14,19 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """Archive commands for the clzip program."""
-from . import extract_singlefile_standard, \
+from . import extract_singlefile_standard, test_singlefile_standard
-    test_singlefile_standard, create_singlefile_standard
+from .. import util
 
 
 extract_lzip = extract_singlefile_standard
 test_lzip = test_singlefile_standard
-create_lzip = create_singlefile_standard
+
+def create_lzip(archive, compression, cmd, verbosity, filenames):
+    """Create an LZIP archive."""
+    cmdlist = [util.shell_quote(cmd)]
+    if verbosity > 1:
+        cmdlist.append('-v')
+    cmdlist.extend(['-c', '-9', '--'])
+    cmdlist.extend([util.shell_quote(x) for x in filenames])
+    cmdlist.extend(['>', util.shell_quote(archive)])
+    return (cmdlist, {'shell': True})

patoolib/programs/flac.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2012-2014 Bastian Kleineidam
+# Copyright (C) 2012-2015 Bastian Kleineidam
 #
 # 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
@@ -25,7 +25,7 @@ def extract_flac (archive, compression, cmd, verbosity, outdir):
 
 def create_flac (archive, compression, cmd, verbosity, filenames):
     """Compress a WAV file to a FLAC archive."""
-    cmdlist = [cmd, filenames[0], '--output-name', archive]
+    cmdlist = [cmd, filenames[0], '--best', '--output-name', archive]
     return cmdlist
 
 

patoolib/programs/gzip.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -14,12 +14,23 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """Archive commands for the gzip program."""
-from . import extract_singlefile_standard, \
+from . import extract_singlefile_standard, test_singlefile_standard
-    test_singlefile_standard, create_singlefile_standard
+from .. import util
 
 extract_gzip = extract_compress = extract_singlefile_standard
 test_gzip = test_compress = test_singlefile_standard
-create_gzip = create_singlefile_standard
+
+
+def create_gzip(archive, compression, cmd, verbosity, filenames):
+    """Create a GZIP archive."""
+    cmdlist = [util.shell_quote(cmd)]
+    if verbosity > 1:
+        cmdlist.append('-v')
+    cmdlist.extend(['-c', '-9', '--'])
+    cmdlist.extend([util.shell_quote(x) for x in filenames])
+    cmdlist.extend(['>', util.shell_quote(archive)])
+    return (cmdlist, {'shell': True})
+
 
 def list_gzip (archive, compression, cmd, verbosity):
     """List a GZIP archive."""

patoolib/programs/p7zip.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -84,7 +84,7 @@ test_bzip2 = \
 
 def create_7z (archive, compression, cmd, verbosity, filenames):
     """Create a 7z archive."""
-    cmdlist = [cmd, 'a', '--', archive]
+    cmdlist = [cmd, 'a', '-mx=9', '--', archive]
     cmdlist.extend(filenames)
     return cmdlist
 

patoolib/programs/py_lzma.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2012-2014 Bastian Kleineidam
+# Copyright (C) 2012-2015 Bastian Kleineidam
 #
 # 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
@@ -48,7 +48,7 @@ def _create(archive, compression, cmd, format, verbosity, filenames):
     if len(filenames) > 1:
         raise util.PatoolError('multi-file compression not supported in Python lzma')
     try:
-        with lzma.LZMAFile(archive, mode='wb', format=format) as lzmafile:
+        with lzma.LZMAFile(archive, mode='wb', format=format, preset=9) as lzmafile:
             filename = filenames[0]
             with open(filename, 'rb') as srcfile:
                 data = srcfile.read(READ_SIZE_BYTES)

patoolib/programs/rar.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -37,6 +37,6 @@ def test_rar (archive, compression, cmd, verbosity):
 
 def create_rar (archive, compression, cmd, verbosity, filenames):
     """Create a RAR archive."""
-    cmdlist = [cmd, 'a', '-r', '--', archive]
+    cmdlist = [cmd, 'a', '-r', '-m5', '--', archive]
     cmdlist.extend(filenames)
     return cmdlist

patoolib/programs/rzip.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -27,7 +27,7 @@ def extract_rzip (archive, compression, cmd, verbosity, outdir):
 
 def create_rzip (archive, compression, cmd, verbosity, filenames):
     """Create an RZIP archive."""
-    cmdlist = [cmd, '-k', '-o', archive]
+    cmdlist = [cmd, '-k', '-9', '-o', archive]
     if verbosity > 1:
         cmdlist.append('-v')
     cmdlist.extend(filenames)

patoolib/programs/xz.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -14,14 +14,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """Archive commands for the xz program."""
-from . import extract_singlefile_standard, \
+from . import extract_singlefile_standard, test_singlefile_standard
-    test_singlefile_standard, create_singlefile_standard
 from .. import util
 
 
 extract_xz = extract_singlefile_standard
 test_xz = test_singlefile_standard
-create_xz = create_singlefile_standard
 
 def list_xz (archive, compression, cmd, verbosity):
     """List a XZ archive."""
@@ -33,6 +31,17 @@ def list_xz (archive, compression, cmd, verbosity):
     return cmdlist
 
 
+def create_xz(archive, compression, cmd, verbosity, filenames):
+    """Create an XZ archive."""
+    cmdlist = [util.shell_quote(cmd)]
+    if verbosity > 1:
+        cmdlist.append('-v')
+    cmdlist.extend(['-c', '-9', '--'])
+    cmdlist.extend([util.shell_quote(x) for x in filenames])
+    cmdlist.extend(['>', util.shell_quote(archive)])
+    return (cmdlist, {'shell': True})
+
+
 def extract_lzma(archive, compression, cmd, verbosity, outdir):
     """Extract an LZMA archive."""
     cmdlist = [util.shell_quote(cmd), '--format=lzma']
@@ -58,7 +67,7 @@ def create_lzma(archive, compression, cmd, verbosity, filenames):
     cmdlist = [util.shell_quote(cmd), '--format=lzma']
     if verbosity > 1:
         cmdlist.append('-v')
-    cmdlist.extend(['-c', '--'])
+    cmdlist.extend(['-c', '-9', '--'])
     cmdlist.extend([util.shell_quote(x) for x in filenames])
     cmdlist.extend(['>', util.shell_quote(archive)])
     return (cmdlist, {'shell': True})

patoolib/programs/zip.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2014 Bastian Kleineidam
+# Copyright (C) 2010-2015 Bastian Kleineidam
 #
 # 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
@@ -17,7 +17,7 @@
 
 def create_zip (archive, compression, cmd, verbosity, filenames):
     """Create a ZIP archive."""
-    cmdlist = [cmd, '-r']
+    cmdlist = [cmd, '-r', '-9']
     if verbosity > 1:
         cmdlist.append('-v')
     cmdlist.append(archive)