diff options
Diffstat (limited to 'Lib/logging')
| -rw-r--r-- | Lib/logging/__init__.py | 35 | ||||
| -rw-r--r-- | Lib/logging/config.py | 70 | ||||
| -rw-r--r-- | Lib/logging/handlers.py | 70 |
3 files changed, 85 insertions, 90 deletions
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py index fa03f78..244c915 100644 --- a/Lib/logging/__init__.py +++ b/Lib/logging/__init__.py @@ -67,7 +67,7 @@ else: #pragma: no cover """Return the frame object for the caller's stack frame.""" try: raise Exception - except: + except Exception: return sys.exc_info()[2].tb_frame.f_back # _srcfile is only used in conjunction with sys._getframe(). @@ -880,16 +880,27 @@ class Handler(Filterer): The record which was being processed is passed in to this method. """ if raiseExceptions and sys.stderr: # see issue 13807 - ei = sys.exc_info() + t, v, tb = sys.exc_info() try: - traceback.print_exception(ei[0], ei[1], ei[2], - None, sys.stderr) - sys.stderr.write('Logged from file %s, line %s\n' % ( - record.filename, record.lineno)) - except IOError: #pragma: no cover + sys.stderr.write('--- Logging error ---\n') + traceback.print_exception(t, v, tb, None, sys.stderr) + sys.stderr.write('Call stack:\n') + # Walk the stack frame up until we're out of logging, + # so as to print the calling context. + frame = tb.tb_frame + while (frame and os.path.dirname(frame.f_code.co_filename) == + __path__[0]): + frame = frame.f_back + if frame: + traceback.print_stack(frame, file=sys.stderr) + else: + # couldn't find the right stack frame, for some reason + sys.stderr.write('Logged from file %s, line %s\n' % ( + record.filename, record.lineno)) + except OSError: #pragma: no cover pass # see issue 5971 finally: - del ei + del t, v, tb class StreamHandler(Handler): """ @@ -939,9 +950,7 @@ class StreamHandler(Handler): stream.write(msg) stream.write(self.terminator) self.flush() - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) class FileHandler(StreamHandler): @@ -1830,7 +1839,7 @@ def shutdown(handlerList=_handlerList): h.acquire() h.flush() h.close() - except (IOError, ValueError): + except (OSError, ValueError): # Ignore errors which might be caused # because handlers have been closed but # references to them are still around at @@ -1838,7 +1847,7 @@ def shutdown(handlerList=_handlerList): pass finally: h.release() - except: + except: # ignore everything, as we're shutting down if raiseExceptions: raise #else, swallow diff --git a/Lib/logging/config.py b/Lib/logging/config.py index 1880614..dbfd2c6 100644 --- a/Lib/logging/config.py +++ b/Lib/logging/config.py @@ -61,11 +61,14 @@ def fileConfig(fname, defaults=None, disable_existing_loggers=True): """ import configparser - cp = configparser.ConfigParser(defaults) - if hasattr(fname, 'readline'): - cp.read_file(fname) + if isinstance(fname, configparser.RawConfigParser): + cp = fname else: - cp.read(fname) + cp = configparser.ConfigParser(defaults) + if hasattr(fname, 'readline'): + cp.read_file(fname) + else: + cp.read(fname) formatters = _create_formatters(cp) @@ -729,6 +732,7 @@ class DictConfigurator(BaseConfigurator): 'address' in config: config['address'] = self.as_tuple(config['address']) factory = klass + props = config.pop('.', None) kwargs = dict([(k, config[k]) for k in config if valid_ident(k)]) try: result = factory(**kwargs) @@ -747,6 +751,9 @@ class DictConfigurator(BaseConfigurator): result.setLevel(logging._checkLevel(level)) if filters: self.add_filters(result, filters) + if props: + for name, value in props.items(): + setattr(result, name, value) return result def add_handlers(self, logger, handlers): @@ -795,7 +802,7 @@ def dictConfig(config): dictConfigClass(config).configure() -def listen(port=DEFAULT_LOGGING_CONFIG_PORT): +def listen(port=DEFAULT_LOGGING_CONFIG_PORT, verify=None): """ Start up a socket server on the specified port, and listen for new configurations. @@ -804,6 +811,15 @@ def listen(port=DEFAULT_LOGGING_CONFIG_PORT): Returns a Thread object on which you can call start() to start the server, and which you can join() when appropriate. To stop the server, call stopListening(). + + Use the ``verify`` argument to verify any bytes received across the wire + from a client. If specified, it should be a callable which receives a + single argument - the bytes of configuration data received across the + network - and it should return either ``None``, to indicate that the + passed in bytes could not be verified and should be discarded, or a + byte string which is then passed to the configuration machinery as + normal. Note that you can return transformed bytes, e.g. by decrypting + the bytes passed in. """ if not thread: #pragma: no cover raise NotImplementedError("listen() needs threading to work") @@ -831,25 +847,26 @@ def listen(port=DEFAULT_LOGGING_CONFIG_PORT): chunk = self.connection.recv(slen) while len(chunk) < slen: chunk = chunk + conn.recv(slen - len(chunk)) - chunk = chunk.decode("utf-8") - try: - import json - d =json.loads(chunk) - assert isinstance(d, dict) - dictConfig(d) - except: - #Apply new configuration. - - file = io.StringIO(chunk) + if self.server.verify is not None: + chunk = self.server.verify(chunk) + if chunk is not None: # verified, can process + chunk = chunk.decode("utf-8") try: - fileConfig(file) - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: - traceback.print_exc() + import json + d =json.loads(chunk) + assert isinstance(d, dict) + dictConfig(d) + except Exception: + #Apply new configuration. + + file = io.StringIO(chunk) + try: + fileConfig(file) + except Exception: + traceback.print_exc() if self.server.ready: self.server.ready.set() - except socket.error as e: + except OSError as e: if not isinstance(e.args, tuple): raise else: @@ -865,13 +882,14 @@ def listen(port=DEFAULT_LOGGING_CONFIG_PORT): allow_reuse_address = 1 def __init__(self, host='localhost', port=DEFAULT_LOGGING_CONFIG_PORT, - handler=None, ready=None): + handler=None, ready=None, verify=None): ThreadingTCPServer.__init__(self, (host, port), handler) logging._acquireLock() self.abort = 0 logging._releaseLock() self.timeout = 1 self.ready = ready + self.verify = verify def serve_until_stopped(self): import select @@ -889,16 +907,18 @@ def listen(port=DEFAULT_LOGGING_CONFIG_PORT): class Server(threading.Thread): - def __init__(self, rcvr, hdlr, port): + def __init__(self, rcvr, hdlr, port, verify): super(Server, self).__init__() self.rcvr = rcvr self.hdlr = hdlr self.port = port + self.verify = verify self.ready = threading.Event() def run(self): server = self.rcvr(port=self.port, handler=self.hdlr, - ready=self.ready) + ready=self.ready, + verify=self.verify) if self.port == 0: self.port = server.server_address[1] self.ready.set() @@ -908,7 +928,7 @@ def listen(port=DEFAULT_LOGGING_CONFIG_PORT): logging._releaseLock() server.serve_until_stopped() - return Server(ConfigSocketReceiver, ConfigStreamHandler, port) + return Server(ConfigSocketReceiver, ConfigStreamHandler, port, verify) def stopListening(): """ diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py index f286cd6..8e7bb1b 100644 --- a/Lib/logging/handlers.py +++ b/Lib/logging/handlers.py @@ -72,9 +72,7 @@ class BaseRotatingHandler(logging.FileHandler): if self.shouldRollover(record): self.doRollover() logging.FileHandler.emit(self, record) - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) def rotation_filename(self, default_name): @@ -440,11 +438,8 @@ class WatchedFileHandler(logging.FileHandler): try: # stat the file by path, checking for existence sres = os.stat(self.baseFilename) - except OSError as err: - if err.errno == errno.ENOENT: - sres = None - else: - raise + except FileNotFoundError: + sres = None # compare file system stat with that of our stream file handle if not sres or sres[ST_DEV] != self.dev or sres[ST_INO] != self.ino: if self.stream is not None: @@ -496,15 +491,7 @@ class SocketHandler(logging.Handler): A factory method which allows subclasses to define the precise type of socket they want. """ - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - if hasattr(s, 'settimeout'): - s.settimeout(timeout) - try: - s.connect((self.host, self.port)) - return s - except socket.error: - s.close() - raise + return socket.create_connection((self.host, self.port), timeout=timeout) def createSocket(self): """ @@ -524,7 +511,7 @@ class SocketHandler(logging.Handler): try: self.sock = self.makeSocket() self.retryTime = None # next time, no delay before trying - except socket.error: + except OSError: #Creation failed, so set the retry time and return. if self.retryTime is None: self.retryPeriod = self.retryStart @@ -548,16 +535,8 @@ class SocketHandler(logging.Handler): #but are still unable to connect. if self.sock: try: - if hasattr(self.sock, "sendall"): - self.sock.sendall(s) - else: #pragma: no cover - sentsofar = 0 - left = len(s) - while left > 0: - sent = self.sock.send(s[sentsofar:]) - sentsofar = sentsofar + sent - left = left - sent - except socket.error: #pragma: no cover + self.sock.sendall(s) + except OSError: #pragma: no cover self.sock.close() self.sock = None # so we can call createSocket next time @@ -607,9 +586,7 @@ class SocketHandler(logging.Handler): try: s = self.makePickle(record) self.send(s) - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) def close(self): @@ -795,7 +772,7 @@ class SysLogHandler(logging.Handler): self.socket = socket.socket(socket.AF_UNIX, self.socktype) try: self.socket.connect(address) - except socket.error: + except OSError: self.socket.close() raise @@ -848,10 +825,9 @@ class SysLogHandler(logging.Handler): msg = self.ident + msg if self.append_nul: msg += '\000' - """ - We need to convert record level to lowercase, maybe this will - change in the future. - """ + + # We need to convert record level to lowercase, maybe this will + # change in the future. prio = '<%d>' % self.encodePriority(self.facility, self.mapPriority(record.levelname)) prio = prio.encode('utf-8') @@ -862,16 +838,14 @@ class SysLogHandler(logging.Handler): if self.unixsocket: try: self.socket.send(msg) - except socket.error: + except OSError: self._connect_unixsocket(self.address) self.socket.send(msg) elif self.socktype == socket.SOCK_DGRAM: self.socket.sendto(msg, self.address) else: self.socket.sendall(msg) - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) class SMTPHandler(logging.Handler): @@ -949,9 +923,7 @@ class SMTPHandler(logging.Handler): smtp.login(self.username, self.password) smtp.sendmail(self.fromaddr, self.toaddrs, msg) smtp.quit() - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) class NTEventLogHandler(logging.Handler): @@ -1036,9 +1008,7 @@ class NTEventLogHandler(logging.Handler): type = self.getEventType(record) msg = self.format(record) self._welu.ReportEvent(self.appname, id, cat, type, [msg]) - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) def close(self): @@ -1123,9 +1093,7 @@ class HTTPHandler(logging.Handler): if self.method == "POST": h.send(data.encode('utf-8')) h.getresponse() #can't do anything with the result - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) class BufferingHandler(logging.Handler): @@ -1305,9 +1273,7 @@ class QueueHandler(logging.Handler): """ try: self.enqueue(self.prepare(record)) - except (KeyboardInterrupt, SystemExit): #pragma: no cover - raise - except: + except Exception: self.handleError(record) if threading: |