Add support for zopfli.

doc/changelog.txt

@@ -1,3 +1,8 @@
+1.1 "" (released xx.xx.2013)
+
+* Add support for zopfli, Googles new zlib compressor.
+
+
 1.0 "Robot and Frank" (released 1.3.2013)
 
 * Add support for searching in archive contents.

patoolib/__init__.py

@@ -159,7 +159,7 @@ ArchivePrograms = {
     'gzip': {
         None: ('7z', '7za', 'pigz', 'gzip'),
         'extract': ('py_gzip',),
-        'create': ('py_gzip',),
+        'create': ('zopfli', 'py_gzip'),
     },
     'iso': {
         'extract': ('7z',),

patoolib/programs/zopfli.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013 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
+# the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
+"""Archive commands for the zopfli program."""
+from .. import util
+
+def create_gzip(archive, compression, cmd, verbosity, filenames):
+    """Create a GZIP archive."""
+    cmdlist = [util.shell_quote(cmd)]
+    cmdlist.extend(['-c', '--'])
+    cmdlist.extend([util.shell_quote(x) for x in filenames])
+    cmdlist.extend(['>', util.shell_quote(archive)])
+    return (cmdlist, {'shell': True})

tests/archives/test_zopfli.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013 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
+# the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
+from . import ArchiveTest, Content
+from .. import needs_program
+
+class TestZopfli(ArchiveTest):
+
+    program = 'zopfli'
+
+    @needs_program(program)
+    def test_zopfli(self):
+        self.archive_extract('t.txt.gz', check=Content.Singlefile)
+
+    @needs_program('file')
+    @needs_program(program)
+    def test_zopfli_file(self):
+        self.archive_extract('t.txt.gz.foo', check=Content.Singlefile)