https://dailypypy.org/tags/exception-chaining/ Recent content in Exception-Chaining on 每日拍拍 Hugo -- gohugo.io zh-tw © 2026 每日拍拍 Sun, 25 Oct 2026 12:10:00 +0800 155076163427069952 154825760438254592 https://dailypypy.org/learn/python-rich-traceback-cli-errors/ Sun, 25 Oct 2026 12:10:00 +0800 https://dailypypy.org/learn/python-rich-traceback-cli-errors/ <!--- 1440x768 prompt: masterpiece, best quality, highres, clean anime illustration, japanese anime style, soft shading, flat color design, 1girl, black hair, green eyes, white off-shoulder shirt, black short skirt, eye-level three-quarter upper body, standing with arms crossed comfortably, playful determined closed-mouth smile, looking at viewer, pastel pale coral background, neat composition, detailed eyes, cute and smart vibe, minimal background, polished illustration, no text negative prompt: worst quality, bad eye, bad hand, extra limbs, manga, multiple views, monochrome, text, signature dedup note: Narrow follow-up to ../python-rich-typer-cli/: that article owns general CLI UX and simple error panels. This article owns exception-cause preservation, public-versus-private diagnostics, locals/message/source/notes privacy boundaries, stderr-only tracebacks, stable exits and real subprocess tests. ../python-rich/ owns widgets; ../python-rich-logging-dashboard/ owns continuous Live/Layout monitoring. Current 201-post source inventory and full nearest articles checked before drafting. publication note: Required randomized display date retained; publishDate enables the morning release with buildFuture=false. source check: Official Rich traceback/Console references and Python exception chaining/notes docs reviewed 2026-10-25; examples tested with Python 3.12 and Rich 15.0.0. ---> <h2 class="relative group">一. 前言：Traceback 漂亮了，Token 也跟著上鏡？ <div id="一-前言traceback-漂亮了token-也跟著上鏡" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700" style="text-decoration-line: none !important;" href="#%e4%b8%80-%e5%89%8d%e8%a8%80traceback-%e6%bc%82%e4%ba%ae%e4%ba%86token-%e4%b9%9f%e8%b7%9f%e8%91%97%e4%b8%8a%e9%8f%a1" aria-label="定位點">#</a> </span> </h2> <p>拍拍君最近整理 CLI，遇到兩個看起來很小、實際很煩的問題。 第一個：錯誤訊息跑進 stdout，下一個程式讀 JSON 直接爆炸。 第二個：為了方便除錯打開區域變數，結果認證資料也被印進 CI log。</p>