hZ>SrSSKJr SSKJr SSKJr S\S\4Sjrg ) z Logging utilities. )List)LogTrace)LoggertracereturncS[S[4Sjn/n/nUHupEU(aUSULaZXC;a#USULaUR5 USULaMO2U(dURU"U5S35 URU5 URS[ U5-5 URSU"U5S35 M SR U5$) a] Format a trace (that is, the contents of the C{log_trace} key of a log event) as a visual indication of the message's propagation through various observers. @param trace: the contents of the C{log_trace} key from an event. @return: A multi-line string with indentation and arrows indicating the flow of the message through various observers. objrcN[US5(aUSURS3$U$)Nnamez ())hasattrr )r s [/root/1688_scrapy/alibaba-scraper/venv/lib/python3.13/site-packages/twisted/logger/_util.pyformatWithName#formatTrace..formatWithNames- 3  U"SXXJa( (UO z z-> )objectstrpopappendlenjoin)rrresultlineageparentchilds r formatTracer sFs FG '"+V3 bk/KKMbk/MM^F%;$r&s( !$x$C$r