j40-cejst-2/data/data-pipeline/data_pipeline/etl/sources/ejscreen/etl.py
2022-09-30 13:43:31 -04:00

85 lines
3.2 KiB
Python

import pandas as pd
from data_pipeline.etl.base import ExtractTransformLoad
from data_pipeline.etl.base import ValidGeoLevel
from data_pipeline.score import field_names
from data_pipeline.utils import get_module_logger
logger = get_module_logger(__name__)
class EJSCREENETL(ExtractTransformLoad):
"""Load updated EJSCREEN data."""
NAME = "ejscreen"
GEO_LEVEL: ValidGeoLevel = ValidGeoLevel.CENSUS_TRACT
INPUT_GEOID_TRACT_FIELD_NAME: str = "ID"
def __init__(self):
self.EJSCREEN_FTP_URL = "https://gaftp.epa.gov/EJSCREEN/2021/EJSCREEN_2021_USPR_Tracts.csv.zip"
self.EJSCREEN_CSV = (
self.get_tmp_path() / "EJSCREEN_2021_USPR_Tracts.csv"
)
self.CSV_PATH = self.DATA_PATH / "dataset" / "ejscreen"
self.df: pd.DataFrame
self.COLUMNS_TO_KEEP = [
self.GEOID_TRACT_FIELD_NAME,
# pylint: disable=duplicate-code
field_names.AIR_TOXICS_CANCER_RISK_FIELD,
field_names.RESPIRATORY_HAZARD_FIELD,
field_names.DIESEL_FIELD,
field_names.PM25_FIELD,
field_names.OZONE_FIELD,
field_names.TRAFFIC_FIELD,
field_names.RMP_FIELD,
field_names.TSDF_FIELD,
field_names.NPL_FIELD,
field_names.WASTEWATER_FIELD,
field_names.HOUSEHOLDS_LINGUISTIC_ISO_FIELD,
field_names.POVERTY_FIELD,
field_names.OVER_64_FIELD,
field_names.UNDER_5_FIELD,
field_names.LEAD_PAINT_FIELD,
field_names.UST_FIELD,
]
def extract(self) -> None:
logger.info("Downloading EJScreen Data")
super().extract(
self.EJSCREEN_FTP_URL,
self.get_tmp_path(),
verify=False, # EPA EJScreen end point has certificate issues often
)
def transform(self) -> None:
logger.info("Transforming EJScreen Data")
self.df = pd.read_csv(
self.EJSCREEN_CSV,
dtype={self.INPUT_GEOID_TRACT_FIELD_NAME: str},
# EJSCREEN writes the word "None" for NA data.
na_values=["None"],
low_memory=False,
)
# rename ID to Tract ID
self.output_df = self.df.rename(
columns={
self.INPUT_GEOID_TRACT_FIELD_NAME: self.GEOID_TRACT_FIELD_NAME,
"CANCER": field_names.AIR_TOXICS_CANCER_RISK_FIELD,
"RESP": field_names.RESPIRATORY_HAZARD_FIELD,
"DSLPM": field_names.DIESEL_FIELD,
"PM25": field_names.PM25_FIELD,
"OZONE": field_names.OZONE_FIELD,
"PTRAF": field_names.TRAFFIC_FIELD,
"PRMP": field_names.RMP_FIELD,
"PTSDF": field_names.TSDF_FIELD,
"PNPL": field_names.NPL_FIELD,
"PWDIS": field_names.WASTEWATER_FIELD,
"LINGISOPCT": field_names.HOUSEHOLDS_LINGUISTIC_ISO_FIELD,
"LOWINCPCT": field_names.POVERTY_FIELD,
"OVER64PCT": field_names.OVER_64_FIELD,
"UNDER5PCT": field_names.UNDER_5_FIELD,
"PRE1960PCT": field_names.LEAD_PAINT_FIELD,
"UST": field_names.UST_FIELD, # added for 2021 update
},
)