diff options
Diffstat (limited to 'Lib/asyncore.py')
| -rw-r--r-- | Lib/asyncore.py | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/Lib/asyncore.py b/Lib/asyncore.py index db426d71a8..3dad594804 100644 --- a/Lib/asyncore.py +++ b/Lib/asyncore.py @@ -50,6 +50,8 @@ import select import socket import sys import time +import warnings + import os from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, \ ENOTCONN, ESHUTDOWN, EINTR, EISCONN, EBADF, ECONNABORTED, errorcode @@ -60,10 +62,12 @@ except NameError: socket_map = {} def _strerror(err): - res = os.strerror(err) - if res == 'Unknown error': - res = errorcode[err] - return res + try: + return strerror(err) + except (ValueError, OverflowError): + if err in errorcode: + return errorcode[err] + return "Unknown error %s" %err class ExitNow(Exception): pass @@ -264,6 +268,8 @@ class dispatcher: status.append(repr(self.addr)) return '<%s at %#x>' % (' '.join(status), id(self)) + __str__ = __repr__ + def add_channel(self, map=None): #self.log_info('adding channel %s' % self) if map is None: @@ -395,7 +401,15 @@ class dispatcher: # cheap inheritance, used to pass all other attribute # references to the underlying socket object. def __getattr__(self, attr): - return getattr(self.socket, attr) + try: + retattr = getattr(self.socket, attr) + except AttributeError: + raise AttributeError("%s instance has no attribute '%s'" + %(self.__class__.__name__, attr)) + else: + warnings.warn("cheap inheritance is deprecated", DeprecationWarning, + stacklevel=2) + return retattr # log and log_info may be overridden to provide more sophisticated # logging and warning methods. In general, log is for 'hit' logging |