Add LZMA functions for xz, fixing build errors.

patoolib/__init__.py

@@ -226,10 +226,10 @@ ArchivePrograms = {
         None: ('lzop',),
     },
     'lzma': {
-        'extract': ('7z', 'lzma') + py_lzma,
+        'extract': ('7z', 'lzma', 'xz') + py_lzma,
         'list': ('7z', 'py_echo'),
-        'test': ('7z', 'lzma'),
-        'create': ('lzma',) + py_lzma,
+        'test': ('7z', 'lzma', 'xz'),
+        'create': ('lzma', 'xz') + py_lzma,
     },
     'rzip': {
         'extract': ('rzip',),

patoolib/programs/xz.py

@@ -16,6 +16,7 @@
 """Archive commands for the xz program."""
 from . import extract_singlefile_standard, \
     test_singlefile_standard, create_singlefile_standard
+from .. import util
 
 
 extract_xz = extract_singlefile_standard
@@ -30,3 +31,34 @@ def list_xz (archive, compression, cmd, verbosity):
         cmdlist.append('-v')
     cmdlist.append(archive)
     return cmdlist
+
+
+def extract_lzma(archive, compression, cmd, verbosity, outdir):
+    """Extract an LZMA archive."""
+    cmdlist = [util.shell_quote(cmd), '--format=lzma']
+    if verbosity > 1:
+        cmdlist.append('-v')
+    outfile = util.get_single_outfile(outdir, archive)
+    cmdlist.extend(['-c', '-d', '--', util.shell_quote(archive), '>',
+        util.shell_quote(outfile)])
+    return (cmdlist, {'shell': True})
+
+
+def test_lzma(archive, compression, cmd, verbosity):
+    """Test an LZMA archive."""
+    cmdlist = [cmd, '--format=lzma']
+    if verbosity > 1:
+        cmdlist.append('-v')
+    cmdlist.extend(['--test', archive])
+    return cmdlist
+
+
+def create_lzma(archive, compression, cmd, verbosity, filenames):
+    """Create an LZMA archive."""
+    cmdlist = [util.shell_quote(cmd), '--format=lzma']
+    if verbosity > 1:
+        cmdlist.append('-v')
+    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_xz.py

@@ -30,3 +30,8 @@ class TestXz (ArchiveTest):
         self.archive_test('t.txt.xz.foo')
         self.archive_extract('t.txt.xz.foo', check=Content.Singlefile)
 
+    @needs_program(program)
+    def test_lzma(self):
+        self.archive_test('t.txt.lzma')
+        self.archive_extract('t.txt.lzma', check=Content.Singlefile)
+        self.archive_create('t.txt.lzma', check=Content.Singlefile)