# threading

python如何将contextVar带到子线程中

2026-09-30 #39 pythoncontextvarsthreadingconcurrencydistributed-tracing

pythonimporttimefromconcurrent.futuresimportThreadPoolExecutorfromcontextvarsimportcopy_context,ContextVartrace_id=ContextVar"trace_id"defworkx:time.sleepxprint"trace_id=",trace_id.getNone,"x=",xdefsu…