perfect-postcode/pipeline/run.py

36 lines
1.2 KiB
Python

"""Pipeline CLI to process property data with H3 spatial indexing."""
from pathlib import Path
import polars as pl
from tqdm import tqdm
from pipeline.sources.postcodes import save_postcodes, DATA_DIR
from pipeline.sources.property_prices import PropertyPricesSource
from pipeline.processors.h3_aggregator import save_aggregates
def run_pipeline():
"""Run the full data processing pipeline."""
print("=" * 60)
print("Property Map Data Pipeline")
print("=" * 60)
# Step 1: Process postcodes with H3 indices
print("\n[1/3] Processing postcodes with H3 indices...")
postcodes_path = save_postcodes()
print(f" Saved: {postcodes_path}")
print("\n[2/3] Processing property prices...")
postcodes = pl.scan_parquet(postcodes_path)
property_source = PropertyPricesSource()
properties = property_source.process(postcodes)
print(" Joined property prices with postcodes")
print("\n[3/3] Aggregating at H3 resolutions...")
saved_paths = save_aggregates(properties)
for path in saved_paths:
size_mb = path.stat().st_size / (1024 * 1024)
print(f" Saved: {path.name} ({size_mb:.1f} MB)")
if __name__ == "__main__":
run_pipeline()