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feat(postcodes/BD): bulk-import 1,353 Bangladesh postcodes via Bangladesh Post (#1039)#1458

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feat/postcodes-bangladesh
Apr 27, 2026
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feat(postcodes/BD): bulk-import 1,353 Bangladesh postcodes via Bangladesh Post (#1039)#1458
dr5hn merged 1 commit into
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feat/postcodes-bangladesh

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@dr5hn dr5hn commented Apr 27, 2026

Summary

Adds 1,353 Bangladesh postcodes covering Bangladesh Post's catalogue,
redistributed via the saaiful/postcode-bd mirror.

  • Coverage: 99% state FK; the 11 unresolved rows have empty
    district/division fields in source.
  • Granularity: sub-office level — one record per
    (postcode, sub-office) pair.

How it works

State resolution prefers district-name match (CSC's BD states use
2-digit district codes 01–72) and falls back to division-name match
(letter iso2 A–H) when the district isn't represented in
states.json.

Source & licence

Validation

  • python3 -m py_compile clean.
  • 100% of 1,353 codes match country.postal_code_regex (^(\d{4})$).
  • 99% of records resolve a valid state_id whose country_id == 19
    and whose iso2 matches state_code.
  • No auto-managed fields (id, created_at, updated_at, flag).

Test plan

  • Importer compiles and runs on a clean checkout.
  • Cross-reference validator passes (regex + FK + state_code agreement).
  • Idempotent merge verified.
  • CI pipeline green.

Refs #1039.

🤖 Generated with Claude Code

…desh Post (#1039)

Source: Bangladesh Post catalogue redistributed via the
saaiful/postcode-bd mirror. State resolution prefers district-name
match (CSC's BD states use 2-digit district codes 01-72) and falls
back to division-name match (letter iso2 A-H). 99% state FK; the
11 unresolved rows have empty district/division fields in source.

Refs #1039.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Copilot AI review requested due to automatic review settings April 27, 2026 13:25
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@dosubot dosubot Bot added the size:XS This PR changes 0-9 lines, ignoring generated files. label Apr 27, 2026
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CSC Validation Report

PR Format

  • ✅ Description provided
  • ✅ Data source linked
  • ✅ Issue linked (recommended for data changes)
  • ✅ Justification / context provided

Labels applied: data:postcodes, large-contribution

⚠️ Large Contribution

This PR contains 1353 records. Large contributions require manual review.

Schema Validation (1353 records)

✅ All records passed validation

Cross-Reference Validation

✅ 2695 reference(s) verified

Source URL Verification

✅ 2 source URL(s) accessible


All checks passed | Status: Ready for review

@dosubot dosubot Bot added the enhancement New feature or request label Apr 27, 2026
@dr5hn dr5hn merged commit 3f961cf into master Apr 27, 2026
1 check passed
@dr5hn dr5hn deleted the feat/postcodes-bangladesh branch April 27, 2026 13:26
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2 participants