Plugin.call() now uses errors2 version of SubprocessError

ipalib/errors2.py

@@ -67,15 +67,19 @@ class SubprocessError(PrivateError):
 
     For example:
 
+    >>> raise SubprocessError(returncode=2, argv=('ls', '-lh', '/no-foo/'))
+    Traceback (most recent call last):
+      ...
+    SubprocessError: return code 2 from ('ls', '-lh', '/no-foo/')
+
+    The exit code of the sub-process is available via the ``returncode``
+    instance attribute.  For example:
+
     >>> e = SubprocessError(returncode=1, argv=('/bin/false',))
     >>> e.returncode
     1
-    >>> e.argv
+    >>> e.argv  # argv is also available
     ('/bin/false',)
-    >>> e.message
-    "return code 1 from ('/bin/false',)"
-    >>> str(e)
-    "return code 1 from ('/bin/false',)"
     """
 
     format = 'return code %(returncode)d from %(argv)r'

ipalib/plugable.py

@@ -291,9 +291,9 @@ class Plugin(ReadOnly):
         """
         argv = (executable,) + args
         self.debug('Calling %r', argv)
-        returncode = subprocess.call(argv)
-        if returncode != 0:
-            raise errors.SubprocessError(returncode, argv)
+        code = subprocess.call(argv)
+        if code != 0:
+            raise errors2.SubprocessError(returncode=code, argv=argv)
 
     def __repr__(self):
         """

tests/test_ipalib/test_plugable.py

@@ -372,8 +372,7 @@ class test_Plugin(ClassChecker):
         """
         o = self.cls()
         o.call('/bin/true') is None
-        e = raises(errors.SubprocessError, o.call, '/bin/false')
-        assert str(e) == 'return code %d from %r' % (1, ('/bin/false',))
+        e = raises(errors2.SubprocessError, o.call, '/bin/false')
         assert e.returncode == 1
         assert e.argv == ('/bin/false',)