commit 8e778b1d35f8ee890b787c11d7a648cdbf7ab481
author cliechti <cliechti@f19166aa-fa4f-0410-85c2-fa1106f25c8a> Fri Jun 20 23:11:57 2008 +0000
committer cliechti <cliechti@f19166aa-fa4f-0410-85c2-fa1106f25c8a> Fri Jun 20 23:11:57 2008 +0000
tree 5431c57e5b0984daa474d8131dcb766359868649
parent 7e06301544fc61ede3cdbd91da4821bb7e895808

- updated setup script
- improve behavior when opening nonexostend or ports with errors

pyparallel/parallel/parallelppdev.py

diff --git a/pyparallel/parallel/parallelppdev.py b/pyparallel/parallel/parallelppdev.py
index 98e1e84..df9cf2d 100644
--- a/pyparallel/parallel/parallelppdev.py
+++ b/pyparallel/parallel/parallelppdev.py
@@ -183,15 +183,21 @@
             self.device = port
         else:
             self.device = "/dev/parport%d" % port
+        self._fd = None
         self._fd = os.open(self.device, os.O_RDWR)
-        #~ self.PPEXCL()
-        self.PPCLAIM()
-        self.setDataDir(1)
-        self.setData(0)
+        try:
+            self.PPEXCL()
+            self.PPCLAIM()
+            self.setDataDir(1)
+            self.setData(0)
+        except IOError:
+            os.close(self._fd)
+            self._fd = None
+            raise
 
     def __del__(self):
-        self.PPRELEASE()
         if self._fd is not None:
+            self.PPRELEASE()
             os.close(self._fd)
 
     def timevalToFloat(self, timeval):