Fix path references in scripts after reorganization

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>

scripts/analyze_dc_tract_concentration.py

@@ -12,11 +12,13 @@ import math
 import os
 import statistics
 from collections import Counter
+from pathlib import Path
 
 import psycopg2
 
 
-CSV_PATH = "census_tract_acs_2024_selected_states.csv"
+PROJECT_ROOT = Path(__file__).parent.parent
+CSV_PATH = PROJECT_ROOT / "data" / "census_tract_acs_2024_selected_states.csv"
 
 
 def connect():

scripts/create_data_center_census_tract_table.py

@@ -22,11 +22,12 @@ FINAL_TABLE = "public.data_center_census_tracts_2024"
 
 ACS_YEAR = 2024
 ACS_SOURCE = "ACS 2024 5-year profile"
-TRACT_ZIP = Path("cb_2024_us_tract_500k.zip")
+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 = Path("census_tract_acs_2024_selected_states.csv")
+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",

scripts/ingest_legiscan.py

@@ -51,7 +51,7 @@ import requests
 DB_NAME = "data_centers"
 API_KEY = os.environ.get("LEGISCAN_API_KEY")
 API_BASE = "https://api.legiscan.com/"
-CACHE_DIR = Path("data/legiscan_cache")
+CACHE_DIR = Path(__file__).parent.parent / "data" / "legiscan_cache"
 MIN_YEAR_DEFAULT = 2016
 RATE_LIMIT_DELAY = 0.5  # seconds between API calls
 

scripts/load_postgis_data_centers.py

@@ -3,13 +3,15 @@ import argparse
 import csv
 import os
 from decimal import Decimal
+from pathlib import Path
 
 import psycopg2
 from psycopg2.extras import execute_values
 
 
-CSV_PATH = "US_DC_Sample_geocoded.csv"
-IM3_CSV_PATH = "new/IM3_Existing_DataCenters.csv"
+PROJECT_ROOT = Path(__file__).parent.parent
+CSV_PATH = str(PROJECT_ROOT / "data" / "US_DC_Sample_geocoded.csv")
+IM3_CSV_PATH = str(PROJECT_ROOT / "new" / "IM3_Existing_DataCenters.csv")
 TABLE = "public.us_dc_sample_geocoded"
 DB_NAME = "data_centers"
 

scripts/load_postgis_internet_cables.py

@@ -14,12 +14,14 @@ import json
 import os
 import re
 from decimal import Decimal
+from pathlib import Path
 
 import psycopg2
 from psycopg2.extras import Json, execute_values
 
 
-DATA_DIR = "internet_cables"
+PROJECT_ROOT = Path(__file__).parent.parent
+DATA_DIR = str(PROJECT_ROOT / "internet_cables")
 DB_NAME = "data_centers"
 
 CABLES_TABLE = "public.internet_cables"

scripts/load_postgis_osm_data_centers.py

@@ -17,12 +17,15 @@ import json
 import os
 import sys
 import time
+from pathlib import Path
 from typing import Dict, List, Optional, Tuple
 
 import psycopg2
 import requests
 from psycopg2.extras import Json, execute_values
 
+PROJECT_ROOT = Path(__file__).parent.parent
+
 OVERPASS_URL = "https://overpass-api.de/api/interpreter"
 TABLE = "public.osm_data_centers"
 VIEW = "public.data_centers_union"
@@ -280,7 +283,7 @@ def parse_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument(
         "--cache-dir",
-        default="output",
+        default=str(PROJECT_ROOT / "output"),
         help="Directory to cache raw Overpass responses (default: output/).",
     )
     parser.add_argument(

scripts/make_data_center_map.py

@@ -222,8 +222,8 @@ def parse_args():
     )
     parser.add_argument(
         "--output",
-        default="data_center_map.html",
-        help="Output HTML path (default: data_center_map.html)",
+        default=str(Path(__file__).parent.parent / "output" / "data_center_map.html"),
+        help="Output HTML path (default: output/data_center_map.html)",
     )
     return parser.parse_args()
 

scripts/make_internet_cables_map.py

@@ -5,6 +5,7 @@ and city-level network-dominance points from PostGIS.
 import argparse
 import json
 import os
+from pathlib import Path
 
 import psycopg2
 
@@ -307,7 +308,7 @@ def parse_args():
     p = argparse.ArgumentParser(
         description="Render a Leaflet map combining data centers, submarine cables, and city dominance."
     )
-    p.add_argument("--output", default="data_centers_cables_map.html")
+    p.add_argument("--output", default=str(Path(__file__).parent.parent / "output" / "data_centers_cables_map.html"))
     p.add_argument(
         "--us-cities-only",
         action="store_true",