Use absolute pathnames when changing directories.

doc/changelog.txt

@@ -1,3 +1,8 @@
+0.8 "" (released xx.xx.xxxx)
+
+  * Fix path error by using absolute pathname for archive when changing
+    the current working directory to the unpack directory.
+
 0.7 "3000 Miles to Graceland" (released 8.3.2010)
 
   * Added support for ALZIP (.alz) archives.

patoolib/programs/arc.py

@@ -14,12 +14,13 @@
 # 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 arc program."""
+import os
 
 def extract_arc (archive, encoding, cmd, **kwargs):
     """Extract a ARC archive."""
     # Since extracted files will be placed in the current directory,
     # the cwd argument has to be the output directory.
-    cmdlist = [cmd, 'x', archive]
+    cmdlist = [cmd, 'x', os.path.abspath(archive)]
     return (cmdlist, {'cwd': kwargs['outdir']})
 
 def list_arc (archive, encoding, cmd, **kwargs):

patoolib/programs/cpio.py

@@ -14,6 +14,7 @@
 # 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 cpio program."""
+import os
 from patoolib import util
 
 def extract_cpio (archive, encoding, cmd, **kwargs):
@@ -23,7 +24,7 @@ def extract_cpio (archive, encoding, cmd, **kwargs):
         '--force-local', '--nonmatching', '"*\.\.*"']
     if kwargs['verbose']:
         cmdlist.append('-v')
-    cmdlist.extend(['<', archive])
+    cmdlist.extend(['<', os.path.abspath(archive)])
     cmd = " ".join([util.shell_quote(x) for x in cmdlist])
     return (cmd, {'cwd': kwargs['outdir'], 'shell': True})
 

patoolib/programs/lrzip.py

@@ -14,6 +14,7 @@
 # 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 lrzip program."""
+import os
 from patoolib import util
 
 def extract_lrzip (archive, encoding, cmd, **kwargs):
@@ -24,7 +25,7 @@ def extract_lrzip (archive, encoding, cmd, **kwargs):
     if kwargs['verbose']:
         cmdlist.append('-v')
     outfile = util.get_single_outfile(kwargs['outdir'], archive)
-    cmdlist.extend(["-o", outfile, archive])
+    cmdlist.extend(["-o", outfile, os.path.abspath(archive)])
     return (cmdlist, {'cwd': kwargs['outdir']})
 
 def test_lrzip (archive, encoding, cmd, **kwargs):

patoolib/programs/nomarch.py

@@ -14,12 +14,13 @@
 # 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 nomarch program."""
+import os
 
 def extract_arc (archive, encoding, cmd, **kwargs):
     """Extract a ARC archive."""
     # Since extracted files will be placed in the current directory,
     # the cwd argument has to be the output directory.
-    cmdlist = [cmd, archive]
+    cmdlist = [cmd, os.path.abspath(archive)]
     return (cmdlist, {'cwd': kwargs['outdir']})
 
 def list_arc (archive, encoding, cmd, **kwargs):