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authorAndrew Tridgell <tridge@samba.org>2010-11-29 14:11:57 +1100
committerAndrew Tridgell <tridge@samba.org>2010-11-29 18:04:42 +1100
commita1f96923e655d58ff339e06536cac9d1135dd0cb (patch)
tree429a8c4beadf86b46e93738876fec3843b7ea07b /source4/scripting/python
parent8c59bbd757e834f8dd1037edcd4ad5cf96a602a4 (diff)
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s4-samba-tool: improved exception handling in samba-tool
we now do reasonable printing on a wide range of common exception classes, and always force a backtrace on an exception if the debug level is >= 3 Pair-Programmed-With: Jelmer Vernooij <jelmer@samba.org>
Diffstat (limited to 'source4/scripting/python')
-rw-r--r--source4/scripting/python/samba/netcmd/__init__.py49
1 files changed, 44 insertions, 5 deletions
diff --git a/source4/scripting/python/samba/netcmd/__init__.py b/source4/scripting/python/samba/netcmd/__init__.py
index 5a6a68cd29..aa74f657b2 100644
--- a/source4/scripting/python/samba/netcmd/__init__.py
+++ b/source4/scripting/python/samba/netcmd/__init__.py
@@ -17,9 +17,10 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
-import optparse
+import optparse, samba
from samba import getopt as options
-import sys
+from ldb import LdbError
+import sys, traceback
class Option(optparse.Option):
@@ -52,6 +53,40 @@ class Command(object):
ret += " " + " ".join([x.upper() for x in self.takes_args])
return ret
+ def show_command_error(self, e):
+ '''display a command error'''
+ if isinstance(e, CommandError):
+ (etype, evalue, etraceback) = e.exception_info
+ inner_exception = e.inner_exception
+ message = e.message
+ force_traceback = False
+ else:
+ (etype, evalue, etraceback) = sys.exc_info()
+ inner_exception = e
+ message = "uncaught exception"
+ force_traceback = True
+
+ if isinstance(inner_exception, LdbError):
+ (ldb_ecode, ldb_emsg) = inner_exception
+ print >>sys.stderr, "ERROR(ldb): %s - %s" % (message, ldb_emsg)
+ elif isinstance(inner_exception, AssertionError):
+ print >>sys.stderr, "ERROR(assert): %s" % message
+ force_traceback = True
+ elif isinstance(inner_exception, RuntimeError):
+ print >>sys.stderr, "ERROR(runtime): %s - %s" % (message, evalue)
+ elif type(inner_exception) is Exception:
+ print >>sys.stderr, "ERROR(exception): %s - %s" % (message, evalue)
+ force_traceback = True
+ elif inner_exception is None:
+ print >>sys.stderr, "ERROR: %s" % (message)
+ else:
+ print >>sys.stderr, "ERROR(%s): %s - %s" % (str(etype), message, evalue)
+ force_traceback = True
+
+ if force_traceback or samba.get_debug_level() >= 3:
+ traceback.print_tb(etraceback)
+
+
synopsis = property(_get_synopsis)
outf = sys.stdout
@@ -97,8 +132,8 @@ class Command(object):
return -1
try:
return self.run(*args, **kwargs)
- except CommandError, e:
- print >>sys.stderr, "ERROR: %s" % e
+ except Exception, e:
+ self.show_command_error(e)
return -1
def run(self):
@@ -130,7 +165,11 @@ class SuperCommand(Command):
class CommandError(Exception):
- pass
+ '''an exception class for netcmd errors'''
+ def __init__(self, message, inner_exception=None):
+ self.message = message
+ self.inner_exception = inner_exception
+ self.exception_info = sys.exc_info()
commands = {}