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contrib/python/Twisted/py2/twisted/logger/_util.py
48 строк
1 KB
Anton Myagkov
Update ydb version to 24.4 (#4579)
07 фев 2026, 11:59
Не верифицирован
07 фев 2026, 11:59
2c21cae
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# -*- test-case-name: twisted.logger.test.test_util -*- # Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ Logging utilities. """ def formatTrace(trace): """ Format a trace (that is, the contents of the C{log_trace} key of a log event) as a visual indication of the message's propagation through various observers. @param trace: the contents of the C{log_trace} key from an event. @type trace: object @return: A multi-line string with indentation and arrows indicating the flow of the message through various observers. @rtype: L{unicode} """ def formatWithName(obj): if hasattr(obj, "name"): return u"{0} ({1})".format(obj, obj.name) else: return u"{0}".format(obj) result = [] lineage = [] for parent, child in trace: if not lineage or lineage[-1] is not parent: if parent in lineage: while lineage[-1] is not parent: lineage.pop() else: if not lineage: result.append(u"{0}\n".format(formatWithName(parent))) lineage.append(parent) result.append(u" " * len(lineage)) result.append(u"-> {0}\n".format(formatWithName(child))) return u"".join(result)