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Wait for delayed hash-route rendering after goto - #1340
Changing only a URL hash with goto could return before a delayed hashchange handler rendered its content. Installing the tracker after navigation misses the URL change, and comparing raw URLs also misses equivalent spellings.
Track before the action and use the actual navigation response to identify a newly committed document. Same-document gotos retain their tracker and goto grace, including URLs with omitted slashes, omitted schemes, default ports, normalized hosts and paths. Confirmed new-document commits bypass the old document's settle cap and retain the shared navigation budget.
Goto tracker startup uses the existing 500 ms grace as its deadline. If startup expires, requests remain tracked and navigation can begin. A known same-document URL change is preserved in the replacement tracker so the existing delayed-render wait still applies. When a hash handler redirects to a new document, clear that same-document expectation so the destination receives its load and post-load waits.
Validation on Python 3.15: all 75 focused browser tests passed across execute-settle, settle rules, goto waits, and backend contracts. Both hash-redirect regressions failed before the fix and passed afterward, covering normal tracker startup and expired startup with a slow destination image followed by load-triggered data rendering. Ruff, basedpyright (zero errors/warnings), and applicable pre-commit checks passed. An earlier broader browser/session run had one unrelated failure waiting for external IANA navigation before settling; that external test was not rerun for this fix.
Rebased onto main 7cbb5e3. Verified on head 93c6e44: the required tests gate, Python 3.15 offline suite, Python 3.11 compatibility, both staging/live shards, README live checks, and all other applicable checks passed. Greptile approved with 5/5 after five reviews and zero unresolved threads; CodeRabbit completed with no actionable findings.
Summary by CodeRabbit
Bug Fixes
Improved navigation reliability when opening a new page, allowing it to load within the available navigation time even if the previous page is unresponsive.
Fixed hash-based navigation so delayed content updates are detected without waiting on the previous page’s loading activity.
Improved hash navigation across equivalent URL formats and both default and load-based waiting modes.
Improved handling of redirects and slow tracker startup during navigation, so known URL changes are still checked for rendered content.
Files skipped from review as they are similar to previous changes: 1
AGENTS.md
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Walkthrough
Goto settling now distinguishes new-document navigation from same-document URL changes. The execution path starts the settle tracker for settling actions. For gotos, tracker startup uses LONG_GRACE_MS, and request settling receives the same grace interval. New-document detection requires a changed URL and a navigation response. Tests cover blocked tracker startup and delayed hash-route rendering.
No actionable issue is established; the change is mergeable after normal checks.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
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Docstring Coverage
Docstring coverage is 26.32% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 19 functions across 4 files. (1 skipped: …
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Description Check
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Title check
The title "Wait for delayed hash-route rendering after goto" matches the main change. The PR objectives say the change addresses goto returning before delayed hashchange content renders. The settle.py…
Linked Issues check
Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check
Check skipped because no linked issues were found for this pull request.
Full details: Title check
Explanation
The title "Wait for delayed hash-route rendering after goto" matches the main change. The PR objectives say the change addresses goto returning before delayed hashchange content renders. The settle.py and execution.py changes add waiting for that case, and the new tests cover delayed hash-route rendering after goto. The title is specific and concise, and it names the primary behavior change.
Full details: Docstring Coverage
Explanation
Docstring coverage is 26.32% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 19 functions across 4 files. (1 skipped: 1 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Actionable comments posted: 1
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Inline comments:
Review comments at @packages/notte-browser/src/notte_browser/settle.py:
- Line 190: Update the tracker-startup timeout fallback in PageSettle so
same-document hash navigation still waits for the URL change and its delayed
render before goto returns; do not leave _tracker unset in a way that makes
PageSettle.wait rely only on its short polls.
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Files skipped from review as they are similar to previous changes: 1
AGENTS.md
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Changing only a URL hash with
gotocould return before a delayedhashchangehandler rendered its content. Installing the tracker after navigation misses the URL change, and comparing raw URLs also misses equivalent spellings.Track before the action and use the actual navigation response to identify a newly committed document. Same-document gotos retain their tracker and goto grace, including URLs with omitted slashes, omitted schemes, default ports, normalized hosts and paths. Confirmed new-document commits bypass the old document's settle cap and retain the shared navigation budget.
Goto tracker startup uses the existing 500 ms grace as its deadline. If startup expires, requests remain tracked and navigation can begin. A known same-document URL change is preserved in the replacement tracker so the existing delayed-render wait still applies. When a hash handler redirects to a new document, clear that same-document expectation so the destination receives its load and post-load waits.
Validation on Python 3.15: all 75 focused browser tests passed across execute-settle, settle rules, goto waits, and backend contracts. Both hash-redirect regressions failed before the fix and passed afterward, covering normal tracker startup and expired startup with a slow destination image followed by load-triggered data rendering. Ruff, basedpyright (zero errors/warnings), and applicable pre-commit checks passed. An earlier broader browser/session run had one unrelated failure waiting for external IANA navigation before settling; that external test was not rerun for this fix.
Rebased onto main 7cbb5e3. Verified on head 93c6e44: the required tests gate, Python 3.15 offline suite, Python 3.11 compatibility, both staging/live shards, README live checks, and all other applicable checks passed. Greptile approved with 5/5 after five reviews and zero unresolved threads; CodeRabbit completed with no actionable findings.
Summary by CodeRabbit