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Add types.

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This commit is contained in:
Edward Betts 2023-05-14 18:17:16 +00:00
parent 2424fe0fdf
commit b1ae7aa8dd
1 changed files with 3 additions and 4 deletions
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7
matcher/api.py
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@ -40,21 +40,20 @@ skip_tags = {
}
def get_country_iso3166_1(lat, lon):
def get_country_iso3166_1(lat: float, lon: float) -> set[str]:
"""For a given lat/lon return a set of ISO country codes.
Also cache the country code in the global object.
Normally there should be only one country.
"""
point = func.ST_SetSRID(func.ST_MakePoint(lon, lat), srid)
alpha2_codes = set()
alpha2_codes: set[str] = set()
q = model.Polygon.query.filter(
func.ST_Covers(model.Polygon.way, point), model.Polygon.admin_level == "2"
)
for country in q:
alpha2 = country.tags.get("ISO3166-1")
alpha2: str = country.tags.get("ISO3166-1")
if not alpha2:
continue
alpha2_codes.add(alpha2)