feat(postcodes/DK): bulk-import 1,089 codes via DAWA (#1039)#1440
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Adds Danish postcodes via DAWA (Danmarks Adressers Web API) — public
sector data published under CC-0 by SDFI/Dataforsyningen.
1. bin/scripts/sync/import_denmark_postcodes.py — pipeline that fetches
/kommuner to build a kommune-code -> region-name map, then resolves
each /postnumre record's region via its first kommune. Maps the 5
Danish region names to states.json iso2 codes:
Region Hovedstaden -> 84 (called "Denmark" in states.json)
Region Sjælland -> 85 (Zealand)
Region Syddanmark -> 83 (Southern Denmark)
Region Midtjylland -> 82 (Central Denmark)
Region Nordjylland -> 81 (North Denmark)
2. contributions/postcodes/DK.json — 1,089 codes covering all 5 regions
with 100% state_id + 100% coordinate resolution.
Validation (zero errors)
- All codes match countries.postal_code_regex (^(\\d{4})\$)
- All FKs resolve, all state_codes agree with state.iso2
License & attribution
- Source: SDFI / Dataforsyningen DAWA (CC-0)
- Each row: source: "dawa"
Refs: #1039
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Adds Danish postcodes via DAWA (CC-0 public sector data).
1,089 codes, 100% state + 100% coords. Region resolution via DAWA's kommune→region links (5 regions: Hovedstaden=84, Sjælland=85, Syddanmark=83, Midtjylland=82, Nordjylland=81).
License: SDFI Dataforsyningen DAWA (CC-0).
Refs: #1039