python如何将contextVar带到子线程中
pythonimporttimefromconcurrent.futuresimportThreadPoolExecutorfromcontextvarsimportcopy_context,ContextVartrace_id=ContextVar"trace_id")defworkx):time.sleepx)print"trace_id=",trace_id.getNone),“x=",x)…
pythonimporttimefromconcurrent.futuresimportThreadPoolExecutorfromcontextvarsimportcopy_context,ContextVartrace_id=ContextVar"trace_id")defworkx):time.sleepx)print"trace_id=",trace_id.getNone),“x=",x)…