🌐 [translation-sync] [polars] Fetch the FRED CSV with requests before parsing it

[mmcky]

Automated Translation Sync

This PR contains automated translations from QuantEcon/lecture-python-programming.

Source PR

#647 - [polars] Fetch the FRED CSV with requests before parsing it

Files Updated

• ✏️ lectures/polars.md
• ✏️ .translate/state/polars.md.yml

Details

• Source Language: en
• Target Language: fa
• Model: claude-sonnet-5

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This PR was created automatically by the translation action.

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[github-actions]

✅ Translation Quality Review

Verdict: PASS | Model: claude-sonnet-5 | Date: 2026-10-13
Routing: editor — 1 minor finding(s) in gating categories (accuracy/terminology/syntax/diff-check/other)
Shadow gate: would NOT auto-merge (recorded only; no action taken)

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📝 Translation Quality

Criterion	Score
Accuracy	9/10
Fluency	9/10
Terminology	9/10
Formatting	10/10
Overall	9.2/10

Summary: The 'On-line data sources' section is translated accurately and fluently, with correct preservation of code blocks, links, and MyST syntax. Minor stylistic improvements could be made to a couple of phrasings, but there are no accuracy, terminology, or formatting errors of significance. Technical terms and code blocks are preserved correctly and consistently with surrounding sections The explanation of FRED and the data retrieval workflow is clear and accurately conveys the English meaning Formatting of code cells, directive blocks, and links in the 'On-line data sources' section is fully intact and correctly rendered

Suggestions:

• [minor · fluency] lectures/polars.md — ## On-line data sources, 'و محتوای آن را به متد read_csv در Polars می‌دهیم': The phrase 'به متد read_csv در Polars' is slightly awkward phrasing; 'متد' (method) combined with 'در Polars' reads a bit clunky. A more natural rendering would attach Polars directly to read_csv. → و محتوای آن را به read_csv پولارز می‌دهیم
• [minor · terminology] lectures/polars.md — ## On-line data sources, 'فدرال رزرو سنت‌لوئیس': St. Louis Fed is translated as 'فدرال رزرو سنت‌لوئیس' which is accurate and readable; however for consistency with the glossary abbreviation style used elsewhere (e.g., FRED entry), it may be worth keeping the English name in parentheses on first use for clarity, though this is a minor stylistic suggestion rather than an error. → فدرال رزرو سنت‌لوئیس (St. Louis Fed)

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🔍 Diff Quality

Check	Status
Scope Correct	✅
Position Correct	✅
Structure Preserved	✅
Heading-map Correct	✅
Overall	10/10

Summary: The translation sync correctly added the requests-based CSV fetching change in the same location (On-line data sources section) with no structural or scope issues.

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This review was generated automatically by action-translation review mode.

[Copilot]

🟢 Approval recommended

The translated prose and code exactly mirror the verified upstream source PR #647, and the metadata update is consistent and current.

0 open findings

What changed in this PR

This PR syncs the Farsi (fa) translation of the polars.md lecture with upstream source PR QuantEcon/lecture-python-programming#647. The upstream change switches the FRED data-loading example from passing a URL directly to pl.read_csv to first fetching the CSV with requests and parsing its byte content. The translated prose and code faithfully mirror the English source diff, and the translation state metadata is bumped accordingly.

Changes:

• Updated the explanatory prose to describe downloading the CSV via requests and passing its contents to Polars' read_csv.
• Updated the code cell to import requests, call requests.get(fred_url), and pass r.content to pl.read_csv.
• Bumped source-sha, synced-at (2026-10-13), and tool-version (0.29.4) in the translation state file.

File	Description
lectures/​polars.md	Translates the upstream prose/code change to fetch the FRED CSV with requests before parsing; matches source PR #647 exactly.
.translate/​state/​polars.md.yml	Updates sync metadata (source SHA, sync date, tool version) to reflect the new sync.

I confirmed the code snippet is identical to the upstream diff, the Farsi prose accurately conveys the English ("We download the CSV file with requests and pass its contents to Polars' read_csv"), and the synced-at date matches today rather than being in the future. No issues found.

🧠 Review effort: Balanced

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[github-actions]

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