Python sys.__stderr__方法代码示例

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def destroy_crashlogfile(self):
        """Clean up the crash log file and delete it."""
        if self._crash_log_file is None:
            return
        # We use sys.__stderr__ instead of sys.stderr here so this will still
        # work when sys.stderr got replaced, e.g. by "Python Tools for Visual
        # Studio".
        if sys.__stderr__ is not None:
            faulthandler.enable(sys.__stderr__)
        else:
            faulthandler.disable()  # type: ignore[unreachable]
        try:
            self._crash_log_file.close()
            os.remove(self._crash_log_file.name)
        except OSError:
            log.destroy.exception("Could not remove crash log!") 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def handle_error(self, request, client_address):
        """Override TCPServer method

        Error message goes to __stderr__.  No error message if exiting
        normally or socket raised EOF.  Other exceptions not handled in
        server code will cause os._exit.

        """
        try:
            raise
        except SystemExit:
            raise
        except:
            erf = sys.__stderr__
            print>>erf, '\n' + '-'*40
            print>>erf, 'Unhandled server exception!'
            print>>erf, 'Thread: %s' % threading.currentThread().getName()
            print>>erf, 'Client Address: ', client_address
            print>>erf, 'Request: ', repr(request)
            traceback.print_exc(file=erf)
            print>>erf, '\n*** Unrecoverable, server exiting!'
            print>>erf, '-'*40
            os._exit(0)

#----------------- end class RPCServer -------------------- 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def manage_socket(address):
    for i in range(3):
        time.sleep(i)
        try:
            server = MyRPCServer(address, MyHandler)
            break
        except socket.error as err:
            print>>sys.__stderr__,"IDLE Subprocess: socket error: "\
                                        + err.args[1] + ", retrying...."
    else:
        print>>sys.__stderr__, "IDLE Subprocess: Connection to "\
                               "IDLE GUI failed, exiting."
        show_socket_error(err, address)
        global exit_now
        exit_now = True
        return
    server.handle_request() # A single request only 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def idle_showwarning(
        message, category, filename, lineno, file=None, line=None):
    """Show Idle-format warning (after replacing warnings.showwarning).

    The differences are the formatter called, the file=None replacement,
    which can be None, the capture of the consequence AttributeError,
    and the output of a hard-coded prompt.
    """
    if file is None:
        file = warning_stream
    try:
        file.write(idle_formatwarning(
                message, category, filename, lineno, line=line))
        file.write(">>> ")
    except (AttributeError, IOError):
        pass  # if file (probably __stderr__) is invalid, skip warning. 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def vPyDeInit():
    global oTKINTER_ROOT, sSTDOUT_FD
    if sSTDOUT_FD:
        try:
            sys.stdout = sys.__stdout__
            sys.stderr = sys.__stderr__
            sName = sSTDOUT_FD.name
            # sShowInfo('vPyDeInit', "Closing %s" % (sName,))
            sSTDOUT_FD.write('INFO : vPyDeInit ' + "Closing outfile %s\n" % (sName,))
            # oLOG.shutdown()
            sSTDOUT_FD.flush()
            sSTDOUT_FD.close()
            sSTDOUT_FD = None
        except Exception as e:
            # You probably have not stdout so no point in logging it!
            print "Error closing %s\n%s" % (sSTDOUT_FD, str(e),)
            sys.exc_clear()

    if oTKINTER_ROOT:
        oTKINTER_ROOT.destroy()
        oTKINTER_ROOT = None

    sys.exc_clear() 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def _rmtree(path):
        def _rmtree_inner(path):
            for name in os.listdir(path):
                fullname = os.path.join(path, name)
                try:
                    mode = os.lstat(fullname).st_mode
                except OSError as exc:
                    print("support.rmtree(): os.lstat(%r) failed with %s" % (fullname, exc),
                          file=sys.__stderr__)
                    mode = 0
                if stat.S_ISDIR(mode):
                    _waitfor(_rmtree_inner, fullname, waitall=True)
                    os.rmdir(fullname)
                else:
                    os.unlink(fullname)
        _waitfor(_rmtree_inner, path, waitall=True)
        _waitfor(os.rmdir, path) 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def test_is_enabled(self):
        orig_stderr = sys.stderr
        try:
            # regrtest may replace sys.stderr by io.StringIO object, but
            # faulthandler.enable() requires that sys.stderr has a fileno()
            # method
            sys.stderr = sys.__stderr__

            was_enabled = faulthandler.is_enabled()
            try:
                faulthandler.enable()
                self.assertTrue(faulthandler.is_enabled())
                faulthandler.disable()
                self.assertFalse(faulthandler.is_enabled())
            finally:
                if was_enabled:
                    faulthandler.enable()
                else:
                    faulthandler.disable()
        finally:
            sys.stderr = orig_stderr 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def serve_forever(self):
        '''
        Run the server forever
        '''
        self.stop_event = threading.Event()
        process.current_process()._manager_server = self
        try:
            accepter = threading.Thread(target=self.accepter)
            accepter.daemon = True
            accepter.start()
            try:
                while not self.stop_event.is_set():
                    self.stop_event.wait(1)
            except (KeyboardInterrupt, SystemExit):
                pass
        finally:
            if sys.stdout != sys.__stdout__:
                util.debug('resetting stdout, stderr')
                sys.stdout = sys.__stdout__
                sys.stderr = sys.__stderr__
            sys.exit(0) 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def handle_error(self, request, client_address):
        """Override TCPServer method

        Error message goes to __stderr__.  No error message if exiting
        normally or socket raised EOF.  Other exceptions not handled in
        server code will cause os._exit.

        """
        try:
            raise
        except SystemExit:
            raise
        except:
            erf = sys.__stderr__
            print('\n' + '-'*40, file=erf)
            print('Unhandled server exception!', file=erf)
            print('Thread: %s' % threading.current_thread().name, file=erf)
            print('Client Address: ', client_address, file=erf)
            print('Request: ', repr(request), file=erf)
            traceback.print_exc(file=erf)
            print('\n*** Unrecoverable, server exiting!', file=erf)
            print('-'*40, file=erf)
            os._exit(0)

#----------------- end class RPCServer -------------------- 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def manage_socket(address):
    for i in range(3):
        time.sleep(i)
        try:
            server = MyRPCServer(address, MyHandler)
            break
        except OSError as err:
            print("IDLE Subprocess: OSError: " + err.args[1] +
                  ", retrying....", file=sys.__stderr__)
            socket_error = err
    else:
        print("IDLE Subprocess: Connection to "
              "IDLE GUI failed, exiting.", file=sys.__stderr__)
        show_socket_error(socket_error, address)
        global exit_now
        exit_now = True
        return
    server.handle_request() # A single request only 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def execute_code(cls, code):
        """ Executes supplied code as pure python and returns a list of stdout, stderr

        Args:
            code (string): Python code to execute

        Results:
            (list): stdout, stderr of executed python code

        Raises:
            ExecutionError when supplied python is incorrect

        Examples:
            >>> execute_code('print "foobar"')
            'foobar'
        """

        output = StringIO.StringIO()
        err = StringIO.StringIO()

        sys.stdout = output
        sys.stderr = err

        try:
            # pylint: disable=exec-used
            exec(code)
        # If the code is invalid, just skip the block - any actual code errors
        # will be raised properly
        except TypeError:
            pass
        sys.stdout = sys.__stdout__
        sys.stderr = sys.__stderr__

        results = list()
        results.append(output.getvalue())
        results.append(err.getvalue())
        results = ''.join(results)

        return results 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def Start(self,func=None):
    	if self.out:
            sys.stdout = self
            self.origOut = sys.__stdout__
        else:
       	    sys.stderr= self
            self.origOut = sys.__stderr__
        if func:
            self.func = func
        else:
            self.func = self.TestHook
    #Stop will stop routing of print statements thru this class 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def Stop(self):
    	self.origOut.flush()
    	if self.out:
            sys.stdout = sys.__stdout__
        else:
            sys.stderr = sys.__stderr__
            self.func = None
    #override write of stdout 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def init_faulthandler(fileobj=sys.__stderr__):
    """Enable faulthandler module if available.

    This print a nice traceback on segfaults.

    We use sys.__stderr__ instead of sys.stderr here so this will still work
    when sys.stderr got replaced, e.g. by "Python Tools for Visual Studio".

    Args:
        fobj: An opened file object to write the traceback to.
    """
    if fileobj is None:
        # When run with pythonw.exe, sys.__stderr__ can be None:
        # https://docs.python.org/3/library/sys.html#sys.__stderr__
        # If we'd enable faulthandler in that case, we just get a weird
        # exception, so we don't enable faulthandler if we have no stdout.
        #
        # Later when we have our data dir available we re-enable faulthandler
        # to write to a file so we can display a crash to the user at the next
        # start.
        return
    faulthandler.enable(fileobj)
    if (hasattr(faulthandler, 'register') and hasattr(signal, 'SIGUSR1') and
            sys.stderr is not None):
        # If available, we also want a traceback on SIGUSR1.
        # pylint: disable=no-member,useless-suppression
        faulthandler.register(signal.SIGUSR1)
        # pylint: enable=no-member,useless-suppression 

# 需要导入模块: import sys [as 别名]
# 或者: from sys import __stderr__ [as 别名]
def log(self, message, *args):
    """Logs an import-related message to stderr, with indentation based on
    current call-stack depth.

    Args:
      message: Logging format string.
      args: Positional format parameters for the logging message.
    """
    if HardenedModulesHook.ENABLE_LOGGING:
      indent = self._indent_level * '  '
      print >>sys.__stderr__, indent + (message % args)