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Us counties 2020 list #45

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Us counties 2020 list #45

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9d04d7b
Use new 2020 counties list for us_counties
connortodd21 Aug 24, 2025
70ba355
Handle special characters
connortodd21 Aug 24, 2025
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12 changes: 9 additions & 3 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,10 @@ help:
@echo "clean-build - remove build artifacts"
@echo "clean-py - remove Python file artifacts"
@echo "clean-test - remove test and coverage artifacts"
@echo "clean-data - remove all downloaded files in data/"

make_data:
mkdir data

data/cities500.txt:
curl -o data/cities500.zip http://download.geonames.org/export/dump/cities500.zip
Expand All @@ -31,9 +34,9 @@ data/countryInfo.txt:
curl -o data/countryInfo.txt http://download.geonames.org/export/dump/countryInfo.txt

data/us_counties.txt:
curl -o data/us_counties.txt https://www2.census.gov/geo/docs/reference/codes/files/national_county.txt
curl -o data/us_counties.txt https://www2.census.gov/geo/docs/reference/codes2020/national_county2020.txt

dl: data/cities500.txt data/cities1000.txt data/cities5000.txt data/cities15000.txt data/countryInfo.txt data/us_counties.txt
dl: make_data data/cities500.txt data/cities1000.txt data/cities5000.txt data/cities15000.txt data/countryInfo.txt data/us_counties.txt

json:
'./bin/continents.py'
Expand All @@ -42,7 +45,10 @@ json:
'./bin/us_counties.py'
mv data/*.json geonamescache/data/

clean: clean-build clean-py clean-test
clean: clean-build clean-py clean-test clean-data

clean-data:
rm -fr data/

clean-build:
rm -fr build/
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20 changes: 18 additions & 2 deletions bin/us_counties.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,23 @@
p_data = Path('data')

reader = csv.reader(p_data.joinpath('us_counties.txt').open())
next(reader) # skip header row

counties = [{'fips': line[1] + line[2], 'name': line[3], 'state': line[0]} for line in reader]
state_name_idx = 0
state_fips_idx = 1
county_fips_idx = 2
county_name_idx = 4

p_data.joinpath('us_counties.json').write_text(json.dumps(counties))
counties = []
for line in reader:
current_line = line[0].split("|")
counties.append(
{
'fips': current_line[state_fips_idx] + current_line[county_fips_idx],
'name': current_line[county_name_idx],
'state': current_line[state_name_idx]
}
)

# need ensure_ascii=False to handle special characters (for PR counties)
p_data.joinpath('us_counties.json').write_text(json.dumps(counties, ensure_ascii=False))
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