diff options
| -rw-r--r-- | CHANGES | 2 | ||||
| -rw-r--r-- | pysnmp/debug.py | 7 |
2 files changed, 4 insertions, 5 deletions
@@ -39,7 +39,7 @@ Revision 4.2.6rc0 reworked towards more robust and simple design with the execution observer facility. - MIB instrumentation example improved to cover table index building facility. -- Handle the case of absent stderr stream at Debug printer. +- Handle the case of null writer at Debug printer. - Fix to decodeMessageVersion() to withstand broken SNMP messages. - Fix to rfc1902.Bits type to make it accepting hex and binary initializers, cope with missing bits identifieirs at prettyPrint(). diff --git a/pysnmp/debug.py b/pysnmp/debug.py index d3f1f36..01bf8e0 100644 --- a/pysnmp/debug.py +++ b/pysnmp/debug.py @@ -35,10 +35,9 @@ class Debug: defaultPrinter = sys.stderr.write def __init__(self, *flags): self._flags = flagNone - if self.defaultPrinter: - self._printer = self.defaultPrinter - else: - self._printer = lambda x: None # stderr may not be available + if not self.defaultPrinter: + raise error.PySnmpError('Null debug writer specified') + self._printer = self.defaultPrinter self('running pysnmp version %s' % __version__) for f in flags: inverse = f and f[0] in ('!', '~') |