') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ', 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ', 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ', 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); })(); gh-155254: Avoid warning about missing stdlib when using _pth files by zooba · Pull Request #156015 · python/cpython · GitHub
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gh-155254: Avoid warning about missing stdlib when using _pth files - #156015

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zooba merged 2 commits into
python:mainfrom
zooba:gh-155254
Aug 21, 2026
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gh-155254: Avoid warning about missing stdlib when using _pth files#156015
zooba merged 2 commits into
python:mainfrom
zooba:gh-155254

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@zooba

@zoobazooba commented Aug 18, 2026•
edited by bedevere-app Bot
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@zooba
zooba requested a review from FFY00 as a code ownerAugust 18, 2026 13:27
@zoobazooba added type-bug An unexpected behavior, bug, or error needs backport to 3.15 pre-release feature fixes, bugs and security fixes labels Aug 18, 2026
@bedevere-appbedevere-appBot mentioned this pull request Aug 18, 2026
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chris-eibl
chris-eibl approved these changes Aug 18, 2026
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Based on the discussion on the issue this lgtm. Since only the second warn triggers in case of the Windows embedded packages, maybe the and not pth can be moved further down, but I trust your and @FFY00's expertise.

Either way, worth to extend the comment wrt pth?

@zooba

zooba commented Aug 18, 2026

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Yeah, I updated the comment to show a bit more intent and avoid respecifying the logic.

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read-the-docs-communityBot commented Aug 18, 2026

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Documentation build overview

📚 cpython-previews | 🛠️ Build #34127253 | 📁 Comparing 191e278 against main (af49df9)

🔍 Preview build

2 files changed
±library/sys_path_init.html
±whatsnew/changelog.html

@zooba
zooba merged commit f8c93d4 into python:mainAug 21, 2026
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@miss-islington-app

miss-islington-appBot commented Aug 21, 2026

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Thanks @zooba for the PR 🌮🎉.. I'm working now to backport this PR to: 3.15.
🐍🍒⛏🤖

@bedevere-app

bedevere-appBot commented Aug 21, 2026

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GH-156182 is a backport of this pull request to the 3.15 branch.

@bedevere-appbedevere-appBot removed the needs backport to 3.15 pre-release feature fixes, bugs and security fixes label Aug 21, 2026
@zooba
zooba deleted the gh-155254 branch August 21, 2026 13:36
hugovk pushed a commit that referenced this pull request Aug 25, 2026
@miss-islington@zooba
[3.15]gh-155254: Avoid warning about missing stdlib when using _pth …
c32b891
…files (GH-156015) (#156182)
gh-155254: Avoid warning about missing stdlib when using _pth files (GH-156015)
(cherry picked from commit f8c93d4)
Co-authored-by: Steve Dower <steve.dower@python.org>
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@chris-eiblchris-eiblchris-eibl approved these changes
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