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Changeset 2443

Timestamp:

06/14/09 18:44:18

Author:

fumanchu

Message:

Ported wspbus.ChannelFailures? to trunk from python3.

Files:

r2366	r2443
73	73	import warnings
74	74
75
76	75	# Here I save the value of os.getcwd(), which, if I am imported early enough,
77	76	# will be the directory from which the startup script was run. This is needed
…	…
81	80	# sys.executable is a relative-path, and/or cause other problems).
82	81	_startup_cwd = os.getcwd()
	82
	83	class ChannelFailures(Exception):
	84	delimiter = '\n'
	85
	86	def __init__(self, args, *kwargs):
	87	super(ChannelFailures, self).__init__(args, *kwargs)
	88	self._exceptions = list()
	89
	90	def handle_exception(self):
	91	self._exceptions.append(sys.exc_info())
	92
	93	def get_instances(self):
	94	return [instance for cls, instance, traceback in self._exceptions]
	95
	96	def __str__(self):
	97	exception_strings = map(repr, self.get_instances())
	98	return self.delimiter.join(exception_strings)
	99
	100	def __nonzero__(self):
	101	return bool(self._exceptions)
83	102
84	103	# Use a flag to indicate the state of the bus.
…	…
145	164	return []
146	165
147		exc = ~~None~~
	166	exc = ChannelFailures()
148	167	output = []
149	168
…	…
162	181	raise
163	182	except:
164		exc ~~= sys.exc_info()[1]~~
	183	exc.handle_exception()
165	184	if channel == 'log':
166	185	# Assume any further messages to 'log' will fail.
…	…
170	189	level=40, traceback=True)
171	190	if exc:
172		raise
	191	raise exc
173	192	return output
174	193