Update 8 scripts to use Path(__file__).parent.parent as PROJECT_ROOT so they resolve data/, output/, and internet_cables/ relative to the project root rather than the caller's working directory. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
733 lines
26 KiB
Python
733 lines
26 KiB
Python
#!/usr/bin/env python3
|
|
import argparse
|
|
import csv
|
|
import json
|
|
import os
|
|
import subprocess
|
|
import urllib.parse
|
|
import urllib.request
|
|
from decimal import Decimal
|
|
from pathlib import Path
|
|
|
|
import psycopg2
|
|
from psycopg2.extras import execute_values
|
|
|
|
|
|
DB_NAME = "data_centers"
|
|
POINT_TABLE = "public.master_data_centers"
|
|
POINT_ID_COL = "master_id"
|
|
BOUNDARY_STAGE_TABLE = "public._dc_census_tract_boundaries_2024"
|
|
ACS_STAGE_TABLE = "public._dc_census_tract_acs_2024"
|
|
FINAL_TABLE = "public.data_center_census_tracts_2024"
|
|
|
|
ACS_YEAR = 2024
|
|
ACS_SOURCE = "ACS 2024 5-year profile"
|
|
PROJECT_ROOT = Path(__file__).parent.parent
|
|
TRACT_ZIP = PROJECT_ROOT / "data" / "cb_2024_us_tract_500k.zip"
|
|
TRACT_ZIP_URL = (
|
|
"https://www2.census.gov/geo/tiger/GENZ2024/shp/cb_2024_us_tract_500k.zip"
|
|
)
|
|
ACS_AUDIT_CSV = PROJECT_ROOT / "data" / "census_tract_acs_2024_selected_states.csv"
|
|
|
|
STATE_NAME_TO_CODE = {
|
|
"Alabama": "AL", "Alaska": "AK", "Arizona": "AZ", "Arkansas": "AR",
|
|
"California": "CA", "Colorado": "CO", "Connecticut": "CT", "Delaware": "DE",
|
|
"District of Columbia": "DC", "Florida": "FL", "Georgia": "GA", "Hawaii": "HI",
|
|
"Idaho": "ID", "Illinois": "IL", "Indiana": "IN", "Iowa": "IA",
|
|
"Kansas": "KS", "Kentucky": "KY", "Louisiana": "LA", "Maine": "ME",
|
|
"Maryland": "MD", "Massachusetts": "MA", "Michigan": "MI", "Minnesota": "MN",
|
|
"Mississippi": "MS", "Missouri": "MO", "Montana": "MT", "Nebraska": "NE",
|
|
"Nevada": "NV", "New Hampshire": "NH", "New Jersey": "NJ", "New Mexico": "NM",
|
|
"New York": "NY", "North Carolina": "NC", "North Dakota": "ND", "Ohio": "OH",
|
|
"Oklahoma": "OK", "Oregon": "OR", "Pennsylvania": "PA", "Rhode Island": "RI",
|
|
"South Carolina": "SC", "South Dakota": "SD", "Tennessee": "TN", "Texas": "TX",
|
|
"Utah": "UT", "Vermont": "VT", "Virginia": "VA", "Washington": "WA",
|
|
"West Virginia": "WV", "Wisconsin": "WI", "Wyoming": "WY",
|
|
"American Samoa": "AS", "Guam": "GU", "Northern Mariana Islands": "MP",
|
|
"Puerto Rico": "PR", "United States Virgin Islands": "VI",
|
|
"U.S. Virgin Islands": "VI", "Virgin Islands": "VI",
|
|
}
|
|
|
|
STATE_FIPS = {
|
|
"AL": "01",
|
|
"AK": "02",
|
|
"AZ": "04",
|
|
"AR": "05",
|
|
"CA": "06",
|
|
"CO": "08",
|
|
"CT": "09",
|
|
"DE": "10",
|
|
"DC": "11",
|
|
"FL": "12",
|
|
"GA": "13",
|
|
"HI": "15",
|
|
"ID": "16",
|
|
"IL": "17",
|
|
"IN": "18",
|
|
"IA": "19",
|
|
"KS": "20",
|
|
"KY": "21",
|
|
"LA": "22",
|
|
"ME": "23",
|
|
"MD": "24",
|
|
"MA": "25",
|
|
"MI": "26",
|
|
"MN": "27",
|
|
"MS": "28",
|
|
"MO": "29",
|
|
"MT": "30",
|
|
"NE": "31",
|
|
"NV": "32",
|
|
"NH": "33",
|
|
"NJ": "34",
|
|
"NM": "35",
|
|
"NY": "36",
|
|
"NC": "37",
|
|
"ND": "38",
|
|
"OH": "39",
|
|
"OK": "40",
|
|
"OR": "41",
|
|
"PA": "42",
|
|
"RI": "44",
|
|
"SC": "45",
|
|
"SD": "46",
|
|
"TN": "47",
|
|
"TX": "48",
|
|
"UT": "49",
|
|
"VT": "50",
|
|
"VA": "51",
|
|
"WA": "53",
|
|
"WV": "54",
|
|
"WI": "55",
|
|
"WY": "56",
|
|
"AS": "60",
|
|
"GU": "66",
|
|
"MP": "69",
|
|
"PR": "72",
|
|
"VI": "78",
|
|
}
|
|
|
|
ACS_VARIABLES = {
|
|
"DP05_0001E": "population",
|
|
"DP05_0018E": "median_age",
|
|
"DP02_0001E": "households",
|
|
"DP02_0016E": "avg_household_size",
|
|
"DP02_0067PE": "high_school_or_higher_pct",
|
|
"DP02_0068PE": "bachelor_or_higher_pct",
|
|
"DP02_0154PE": "broadband_subscription_pct",
|
|
"DP03_0001E": "population_16_over",
|
|
"DP03_0002E": "labor_force",
|
|
"DP03_0005E": "unemployed",
|
|
"DP03_0009PE": "unemployment_rate",
|
|
"DP03_0032E": "industry_total_workers",
|
|
"DP03_0033E": "industry_agriculture_mining_workers",
|
|
"DP03_0034E": "industry_construction_workers",
|
|
"DP03_0035E": "industry_manufacturing_workers",
|
|
"DP03_0036E": "industry_wholesale_trade_workers",
|
|
"DP03_0037E": "industry_retail_trade_workers",
|
|
"DP03_0038E": "industry_transportation_warehousing_utilities_workers",
|
|
"DP03_0039E": "industry_information_workers",
|
|
"DP03_0040E": "industry_finance_real_estate_workers",
|
|
"DP03_0041E": "industry_professional_management_admin_workers",
|
|
"DP03_0042E": "industry_education_health_social_workers",
|
|
"DP03_0043E": "industry_arts_entertainment_food_workers",
|
|
"DP03_0044E": "industry_other_services_workers",
|
|
"DP03_0045E": "industry_public_administration_workers",
|
|
"DP03_0062E": "median_household_income",
|
|
"DP03_0088E": "per_capita_income",
|
|
"DP03_0119PE": "family_poverty_rate",
|
|
"DP03_0128PE": "poverty_rate",
|
|
"DP05_0090E": "hispanic_latino_population",
|
|
"DP05_0090PE": "hispanic_latino_pct",
|
|
"DP05_0096E": "non_hispanic_white_population",
|
|
"DP05_0096PE": "non_hispanic_white_pct",
|
|
"DP05_0097E": "non_hispanic_black_population",
|
|
"DP05_0097PE": "non_hispanic_black_pct",
|
|
"DP05_0099E": "non_hispanic_asian_population",
|
|
"DP05_0099PE": "non_hispanic_asian_pct",
|
|
}
|
|
|
|
COUNT_COLUMNS = {
|
|
"population",
|
|
"households",
|
|
"population_16_over",
|
|
"labor_force",
|
|
"unemployed",
|
|
"industry_total_workers",
|
|
"industry_agriculture_mining_workers",
|
|
"industry_construction_workers",
|
|
"industry_manufacturing_workers",
|
|
"industry_wholesale_trade_workers",
|
|
"industry_retail_trade_workers",
|
|
"industry_transportation_warehousing_utilities_workers",
|
|
"industry_information_workers",
|
|
"industry_finance_real_estate_workers",
|
|
"industry_professional_management_admin_workers",
|
|
"industry_education_health_social_workers",
|
|
"industry_arts_entertainment_food_workers",
|
|
"industry_other_services_workers",
|
|
"industry_public_administration_workers",
|
|
"median_household_income",
|
|
"per_capita_income",
|
|
"hispanic_latino_population",
|
|
"non_hispanic_white_population",
|
|
"non_hispanic_black_population",
|
|
"non_hispanic_asian_population",
|
|
}
|
|
|
|
NUMERIC_COLUMNS = set(ACS_VARIABLES.values()) - COUNT_COLUMNS
|
|
|
|
INDUSTRY_COLUMNS = {
|
|
"industry_agriculture_mining_workers": "Agriculture, forestry, fishing and hunting, and mining",
|
|
"industry_construction_workers": "Construction",
|
|
"industry_manufacturing_workers": "Manufacturing",
|
|
"industry_wholesale_trade_workers": "Wholesale trade",
|
|
"industry_retail_trade_workers": "Retail trade",
|
|
"industry_transportation_warehousing_utilities_workers": "Transportation and warehousing, and utilities",
|
|
"industry_information_workers": "Information",
|
|
"industry_finance_real_estate_workers": "Finance and insurance, and real estate and rental and leasing",
|
|
"industry_professional_management_admin_workers": "Professional, scientific, management, administrative, and waste management services",
|
|
"industry_education_health_social_workers": "Educational services, and health care and social assistance",
|
|
"industry_arts_entertainment_food_workers": "Arts, entertainment, recreation, accommodation, and food services",
|
|
"industry_other_services_workers": "Other services, except public administration",
|
|
"industry_public_administration_workers": "Public administration",
|
|
}
|
|
|
|
SPECIAL_VALUES = {
|
|
"-666666666",
|
|
"-888888888",
|
|
"-999999999",
|
|
"-222222222",
|
|
"-333333333",
|
|
"-555555555",
|
|
"-666666666.0",
|
|
"-888888888.0",
|
|
"-999999999.0",
|
|
"-222222222.0",
|
|
"-333333333.0",
|
|
"-555555555.0",
|
|
}
|
|
|
|
|
|
def connect():
|
|
return psycopg2.connect(
|
|
host=os.environ["PGWEB_HOST"],
|
|
port=os.environ["PGWEB_PORT"],
|
|
user=os.environ["PGWEB_USER"],
|
|
password=os.environ["PGWEB_PASSWORD"],
|
|
dbname=DB_NAME,
|
|
)
|
|
|
|
|
|
def normalize_state(value):
|
|
if value in (None, ""):
|
|
return None
|
|
if value in STATE_FIPS:
|
|
return value
|
|
return STATE_NAME_TO_CODE.get(value.strip())
|
|
|
|
|
|
def get_state_fips(conn):
|
|
with conn.cursor() as cur:
|
|
cur.execute(
|
|
f"select state, count(*) from {POINT_TABLE} group by state order by state nulls last"
|
|
)
|
|
rows = cur.fetchall()
|
|
normalized_counts = {}
|
|
null_state_count = 0
|
|
unknown = []
|
|
for raw, count in rows:
|
|
if raw is None:
|
|
null_state_count += count
|
|
continue
|
|
code = normalize_state(raw)
|
|
if code is None:
|
|
unknown.append((raw, count))
|
|
continue
|
|
normalized_counts[code] = normalized_counts.get(code, 0) + count
|
|
if unknown:
|
|
details = ", ".join(f"{repr(name)}({n})" for name, n in unknown)
|
|
raise RuntimeError(f"Unrecognized state values in {POINT_TABLE}: {details}")
|
|
if null_state_count:
|
|
print(
|
|
f"warning: {null_state_count} master_data_centers rows have NULL state; "
|
|
f"importing tract boundaries for all 50 states + DC + PR so spatial join can resolve them."
|
|
)
|
|
# Census ACS 5-year DP profile lacks coverage for the small island territories;
|
|
# restrict to the 50 states + DC + PR which the ACS profile reliably serves.
|
|
allowed = {"AS", "GU", "MP", "VI"}
|
|
return sorted({fips for code, fips in STATE_FIPS.items() if code not in allowed})
|
|
return sorted({STATE_FIPS[code] for code in normalized_counts})
|
|
|
|
|
|
def ensure_final_table_absent(conn):
|
|
with conn.cursor() as cur:
|
|
cur.execute("select to_regclass(%s)", (FINAL_TABLE,))
|
|
if cur.fetchone()[0] is not None:
|
|
raise RuntimeError(
|
|
f"Target table {FINAL_TABLE} already exists; refusing to overwrite it."
|
|
)
|
|
|
|
|
|
def drop_final_table_if_exists(conn):
|
|
with conn:
|
|
with conn.cursor() as cur:
|
|
cur.execute(f"drop table if exists {FINAL_TABLE}")
|
|
|
|
|
|
def download_tract_boundaries():
|
|
if TRACT_ZIP.exists() and TRACT_ZIP.stat().st_size > 50_000_000:
|
|
return
|
|
tmp_path = TRACT_ZIP.with_suffix(".zip.part")
|
|
with urllib.request.urlopen(TRACT_ZIP_URL, timeout=120) as response:
|
|
with tmp_path.open("wb") as out:
|
|
while True:
|
|
chunk = response.read(1024 * 1024)
|
|
if not chunk:
|
|
break
|
|
out.write(chunk)
|
|
tmp_path.rename(TRACT_ZIP)
|
|
|
|
|
|
def import_tract_boundaries(state_fips):
|
|
where = "STATEFP IN ({})".format(
|
|
",".join(f"'{state}'" for state in sorted(state_fips))
|
|
)
|
|
env = os.environ.copy()
|
|
env.update(
|
|
{
|
|
"PGHOST": os.environ["PGWEB_HOST"],
|
|
"PGPORT": os.environ["PGWEB_PORT"],
|
|
"PGUSER": os.environ["PGWEB_USER"],
|
|
"PGPASSWORD": os.environ["PGWEB_PASSWORD"],
|
|
"PGDATABASE": DB_NAME,
|
|
}
|
|
)
|
|
cmd = [
|
|
"ogr2ogr",
|
|
"-f",
|
|
"PostgreSQL",
|
|
"PG:dbname=data_centers",
|
|
f"/vsizip/{TRACT_ZIP.resolve()}/cb_2024_us_tract_500k.shp",
|
|
"-nln",
|
|
BOUNDARY_STAGE_TABLE,
|
|
"-overwrite",
|
|
"-nlt",
|
|
"MULTIPOLYGON",
|
|
"-t_srs",
|
|
"EPSG:4326",
|
|
"-lco",
|
|
"GEOMETRY_NAME=geom",
|
|
"-lco",
|
|
"FID=gid",
|
|
"-where",
|
|
where,
|
|
]
|
|
subprocess.run(cmd, check=True, env=env)
|
|
|
|
|
|
def fetch_acs_for_state(state_fips):
|
|
variables = ["NAME", *ACS_VARIABLES.keys()]
|
|
params = {
|
|
"get": ",".join(variables),
|
|
"for": "tract:*",
|
|
"in": f"state:{state_fips} county:*",
|
|
}
|
|
api_key = os.environ.get("CENSUS_API_KEY")
|
|
if api_key:
|
|
params["key"] = api_key
|
|
url = (
|
|
f"https://api.census.gov/data/{ACS_YEAR}/acs/acs5/profile?"
|
|
+ urllib.parse.urlencode(params)
|
|
)
|
|
try:
|
|
with urllib.request.urlopen(url, timeout=120) as response:
|
|
body = response.read().decode("utf-8")
|
|
except urllib.error.HTTPError as exc:
|
|
body = exc.read().decode("utf-8", errors="replace")
|
|
raise RuntimeError(
|
|
f"Census ACS request failed for state {state_fips}: HTTP {exc.code} — {body[:300]}"
|
|
) from exc
|
|
try:
|
|
data = json.loads(body)
|
|
except json.JSONDecodeError as exc:
|
|
raise RuntimeError(
|
|
f"Census ACS returned non-JSON for state {state_fips}: {body[:300]}"
|
|
) from exc
|
|
|
|
header = data[0]
|
|
rows = []
|
|
for values in data[1:]:
|
|
raw = dict(zip(header, values))
|
|
row = {
|
|
"geoid": raw["state"] + raw["county"] + raw["tract"],
|
|
"acs_name": raw["NAME"],
|
|
"statefp": raw["state"],
|
|
"countyfp": raw["county"],
|
|
"tractce": raw["tract"],
|
|
}
|
|
for acs_var, column in ACS_VARIABLES.items():
|
|
row[column] = clean_acs_value(raw.get(acs_var), column)
|
|
add_primary_industry(row)
|
|
rows.append(row)
|
|
return rows
|
|
|
|
|
|
def clean_acs_value(value, column):
|
|
if value in (None, "", "null") or value in SPECIAL_VALUES:
|
|
return None
|
|
if column in COUNT_COLUMNS:
|
|
return int(Decimal(value))
|
|
if column in NUMERIC_COLUMNS:
|
|
return Decimal(value)
|
|
return value
|
|
|
|
|
|
def add_primary_industry(row):
|
|
industry_total = row.get("industry_total_workers")
|
|
best_column = None
|
|
best_value = None
|
|
for column in INDUSTRY_COLUMNS:
|
|
value = row.get(column)
|
|
if value is None:
|
|
continue
|
|
if best_value is None or value > best_value:
|
|
best_column = column
|
|
best_value = value
|
|
|
|
row["primary_industry"] = INDUSTRY_COLUMNS.get(best_column)
|
|
row["primary_industry_workers"] = best_value
|
|
if industry_total and best_value is not None:
|
|
row["primary_industry_pct"] = Decimal(best_value * 100) / Decimal(industry_total)
|
|
else:
|
|
row["primary_industry_pct"] = None
|
|
|
|
|
|
def fetch_acs(state_fips):
|
|
rows = []
|
|
for state in state_fips:
|
|
rows.extend(fetch_acs_for_state(state))
|
|
|
|
fieldnames = [
|
|
"geoid",
|
|
"acs_name",
|
|
"statefp",
|
|
"countyfp",
|
|
"tractce",
|
|
*ACS_VARIABLES.values(),
|
|
"primary_industry",
|
|
"primary_industry_workers",
|
|
"primary_industry_pct",
|
|
]
|
|
with ACS_AUDIT_CSV.open("w", newline="", encoding="utf-8") as csv_file:
|
|
writer = csv.DictWriter(csv_file, fieldnames=fieldnames)
|
|
writer.writeheader()
|
|
writer.writerows(rows)
|
|
return rows, fieldnames
|
|
|
|
|
|
def load_acs_stage(conn, rows, fieldnames):
|
|
with conn:
|
|
with conn.cursor() as cur:
|
|
cur.execute(f"drop table if exists {ACS_STAGE_TABLE}")
|
|
cur.execute(
|
|
f"""
|
|
create table {ACS_STAGE_TABLE} (
|
|
geoid text primary key,
|
|
acs_name text,
|
|
statefp text,
|
|
countyfp text,
|
|
tractce text,
|
|
population integer,
|
|
median_age numeric,
|
|
households integer,
|
|
avg_household_size numeric,
|
|
high_school_or_higher_pct numeric,
|
|
bachelor_or_higher_pct numeric,
|
|
broadband_subscription_pct numeric,
|
|
population_16_over integer,
|
|
labor_force integer,
|
|
unemployed integer,
|
|
unemployment_rate numeric,
|
|
industry_total_workers integer,
|
|
industry_agriculture_mining_workers integer,
|
|
industry_construction_workers integer,
|
|
industry_manufacturing_workers integer,
|
|
industry_wholesale_trade_workers integer,
|
|
industry_retail_trade_workers integer,
|
|
industry_transportation_warehousing_utilities_workers integer,
|
|
industry_information_workers integer,
|
|
industry_finance_real_estate_workers integer,
|
|
industry_professional_management_admin_workers integer,
|
|
industry_education_health_social_workers integer,
|
|
industry_arts_entertainment_food_workers integer,
|
|
industry_other_services_workers integer,
|
|
industry_public_administration_workers integer,
|
|
median_household_income integer,
|
|
per_capita_income integer,
|
|
family_poverty_rate numeric,
|
|
poverty_rate numeric,
|
|
hispanic_latino_population integer,
|
|
hispanic_latino_pct numeric,
|
|
non_hispanic_white_population integer,
|
|
non_hispanic_white_pct numeric,
|
|
non_hispanic_black_population integer,
|
|
non_hispanic_black_pct numeric,
|
|
non_hispanic_asian_population integer,
|
|
non_hispanic_asian_pct numeric,
|
|
primary_industry text,
|
|
primary_industry_workers integer,
|
|
primary_industry_pct numeric
|
|
)
|
|
"""
|
|
)
|
|
values = [tuple(row.get(column) for column in fieldnames) for row in rows]
|
|
execute_values(
|
|
cur,
|
|
f"insert into {ACS_STAGE_TABLE} ({', '.join(fieldnames)}) values %s",
|
|
values,
|
|
page_size=1000,
|
|
)
|
|
cur.execute(f"analyze {ACS_STAGE_TABLE}")
|
|
|
|
|
|
def create_final_table(conn):
|
|
with conn:
|
|
with conn.cursor() as cur:
|
|
cur.execute("drop index if exists _dc_census_tract_boundaries_2024_geom_gix")
|
|
cur.execute(
|
|
f"create index _dc_census_tract_boundaries_2024_geom_gix on {BOUNDARY_STAGE_TABLE} using gist (geom)"
|
|
)
|
|
cur.execute(f"analyze {BOUNDARY_STAGE_TABLE}")
|
|
cur.execute(
|
|
f"""
|
|
create table {FINAL_TABLE} as
|
|
with dc_tracts as (
|
|
select
|
|
t.geoid,
|
|
count(*)::integer as data_center_count,
|
|
count(*) filter (where dc.source = 'curated')::integer
|
|
as curated_only_data_center_count,
|
|
count(*) filter (where dc.source = 'merged')::integer
|
|
as merged_data_center_count,
|
|
count(*) filter (where dc.source = 'osm')::integer
|
|
as osm_only_data_center_count,
|
|
array_agg(dc.{POINT_ID_COL} order by dc.{POINT_ID_COL}) as data_center_ids,
|
|
array_agg(distinct dc.operator) filter (where dc.operator is not null)
|
|
as operators
|
|
from {BOUNDARY_STAGE_TABLE} t
|
|
join {POINT_TABLE} dc
|
|
on t.geom && dc.geom
|
|
and ST_Covers(t.geom, dc.geom)
|
|
group by t.geoid
|
|
)
|
|
select
|
|
t.geoid,
|
|
t.statefp,
|
|
t.countyfp,
|
|
t.tractce,
|
|
t.name as tract_name,
|
|
t.namelsad,
|
|
t.aland::bigint as land_area_sqm,
|
|
t.awater::bigint as water_area_sqm,
|
|
{ACS_YEAR}::integer as acs_year,
|
|
'{ACS_SOURCE}'::text as acs_source,
|
|
a.acs_name,
|
|
d.data_center_count,
|
|
d.curated_only_data_center_count,
|
|
d.merged_data_center_count,
|
|
d.osm_only_data_center_count,
|
|
d.data_center_ids,
|
|
d.operators,
|
|
a.population,
|
|
a.median_age,
|
|
a.households,
|
|
a.avg_household_size,
|
|
a.high_school_or_higher_pct,
|
|
a.bachelor_or_higher_pct,
|
|
a.broadband_subscription_pct,
|
|
a.population_16_over,
|
|
a.labor_force,
|
|
a.unemployed,
|
|
a.unemployment_rate,
|
|
a.median_household_income,
|
|
a.per_capita_income,
|
|
a.family_poverty_rate,
|
|
a.poverty_rate,
|
|
a.hispanic_latino_population,
|
|
a.hispanic_latino_pct,
|
|
a.non_hispanic_white_population,
|
|
a.non_hispanic_white_pct,
|
|
a.non_hispanic_black_population,
|
|
a.non_hispanic_black_pct,
|
|
a.non_hispanic_asian_population,
|
|
a.non_hispanic_asian_pct,
|
|
a.industry_total_workers,
|
|
a.industry_agriculture_mining_workers,
|
|
a.industry_construction_workers,
|
|
a.industry_manufacturing_workers,
|
|
a.industry_wholesale_trade_workers,
|
|
a.industry_retail_trade_workers,
|
|
a.industry_transportation_warehousing_utilities_workers,
|
|
a.industry_information_workers,
|
|
a.industry_finance_real_estate_workers,
|
|
a.industry_professional_management_admin_workers,
|
|
a.industry_education_health_social_workers,
|
|
a.industry_arts_entertainment_food_workers,
|
|
a.industry_other_services_workers,
|
|
a.industry_public_administration_workers,
|
|
a.primary_industry,
|
|
a.primary_industry_workers,
|
|
a.primary_industry_pct,
|
|
t.geom::geometry(MultiPolygon, 4326) as geom
|
|
from {BOUNDARY_STAGE_TABLE} t
|
|
join dc_tracts d on d.geoid = t.geoid
|
|
left join {ACS_STAGE_TABLE} a on a.geoid = t.geoid
|
|
"""
|
|
)
|
|
cur.execute(f"alter table {FINAL_TABLE} add primary key (geoid)")
|
|
cur.execute(
|
|
f"create index data_center_census_tracts_2024_geom_gix on {FINAL_TABLE} using gist (geom)"
|
|
)
|
|
cur.execute(
|
|
f"create index data_center_census_tracts_2024_state_county_idx on {FINAL_TABLE} (statefp, countyfp)"
|
|
)
|
|
cur.execute(
|
|
f"create index data_center_census_tracts_2024_dc_count_idx on {FINAL_TABLE} (data_center_count desc)"
|
|
)
|
|
cur.execute(
|
|
f"""
|
|
comment on table {FINAL_TABLE} is
|
|
'Census tracts containing records from public.master_data_centers (curated + OSM merged), enriched with ACS 2024 5-year profile demographics and derived primary industry fields.'
|
|
"""
|
|
)
|
|
cur.execute(f"analyze {FINAL_TABLE}")
|
|
|
|
|
|
def assign_point_geoids(conn):
|
|
with conn:
|
|
with conn.cursor() as cur:
|
|
cur.execute(
|
|
f"alter table {POINT_TABLE} add column if not exists geoid text"
|
|
)
|
|
cur.execute(
|
|
f"""
|
|
update {POINT_TABLE} dc
|
|
set geoid = matched.geoid
|
|
from (
|
|
select
|
|
dc_inner.{POINT_ID_COL} as point_id,
|
|
(
|
|
select t.geoid
|
|
from {BOUNDARY_STAGE_TABLE} t
|
|
where t.geom && dc_inner.geom
|
|
and st_covers(t.geom, dc_inner.geom)
|
|
order by t.geoid
|
|
limit 1
|
|
) as geoid
|
|
from {POINT_TABLE} dc_inner
|
|
) matched
|
|
where dc.{POINT_ID_COL} = matched.point_id
|
|
"""
|
|
)
|
|
cur.execute(
|
|
f"create index if not exists master_data_centers_geoid_idx on {POINT_TABLE} (geoid)"
|
|
)
|
|
cur.execute(f"analyze {POINT_TABLE}")
|
|
|
|
|
|
def validate(conn):
|
|
with conn.cursor() as cur:
|
|
cur.execute(
|
|
f"""
|
|
select
|
|
count(*)::integer as tract_rows,
|
|
coalesce(sum(data_center_count), 0)::integer as assigned_data_centers,
|
|
count(*) filter (where geom is not null)::integer as geom_rows
|
|
from {FINAL_TABLE}
|
|
"""
|
|
)
|
|
summary = cur.fetchone()
|
|
cur.execute(f"select count(*)::integer from {POINT_TABLE}")
|
|
total_points = cur.fetchone()[0]
|
|
cur.execute(
|
|
f"""
|
|
select source, count(*)::integer
|
|
from {POINT_TABLE}
|
|
group by source
|
|
order by source
|
|
"""
|
|
)
|
|
point_source_breakdown = cur.fetchall()
|
|
cur.execute(
|
|
f"""
|
|
select count(*)::integer
|
|
from {POINT_TABLE}
|
|
where geoid is null
|
|
"""
|
|
)
|
|
unassigned_points = cur.fetchone()[0]
|
|
cur.execute(
|
|
f"""
|
|
select count(*)::integer
|
|
from {FINAL_TABLE}
|
|
where population is null
|
|
"""
|
|
)
|
|
missing_acs = cur.fetchone()[0]
|
|
return summary, total_points, point_source_breakdown, unassigned_points, missing_acs
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description="Build census-tract enrichment table for data-center points."
|
|
)
|
|
parser.add_argument(
|
|
"--replace-final",
|
|
action="store_true",
|
|
help="Drop and rebuild the final tract table if it already exists.",
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
conn = connect()
|
|
try:
|
|
state_fips = get_state_fips(conn)
|
|
if args.replace_final:
|
|
drop_final_table_if_exists(conn)
|
|
else:
|
|
ensure_final_table_absent(conn)
|
|
finally:
|
|
conn.close()
|
|
|
|
download_tract_boundaries()
|
|
import_tract_boundaries(state_fips)
|
|
acs_rows, acs_fieldnames = fetch_acs(state_fips)
|
|
|
|
conn = connect()
|
|
try:
|
|
if args.replace_final:
|
|
drop_final_table_if_exists(conn)
|
|
else:
|
|
ensure_final_table_absent(conn)
|
|
load_acs_stage(conn, acs_rows, acs_fieldnames)
|
|
create_final_table(conn)
|
|
assign_point_geoids(conn)
|
|
summary, total_points, point_source_breakdown, unassigned_points, missing_acs = validate(conn)
|
|
finally:
|
|
conn.close()
|
|
|
|
print(f"loaded {len(acs_rows)} ACS tract rows into {ACS_STAGE_TABLE}")
|
|
print(f"created {FINAL_TABLE}")
|
|
print(
|
|
"tract_rows={0} assigned_data_centers={1} geom_rows={2} source_points={3}".format(
|
|
summary[0], summary[1], summary[2], total_points
|
|
)
|
|
)
|
|
print("point_source=" + ", ".join(f"{k}:{v}" for k, v in point_source_breakdown))
|
|
print(f"points_unassigned_to_tract={unassigned_points}")
|
|
print(f"tracts_missing_acs_population={missing_acs}")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|