Files
undergrad-uh401/convert.py
2025-12-06 03:59:17 +00:00

78 lines
2.5 KiB
Python

import os
import yaml
import logging
import awkward as ak
import pandas as pd
import numpy as np
import tqdm
import utils
if __name__ == "__main__":
# Setup Args
parser = utils.get_common_args(prog="CSV -> Pandas Scorecard Converter")
args = parser.parse_args()
# Setup Logging
utils.setup_logging(args.debug)
logger = logging.getLogger("CSVPandasConverter")
scorecard_dir = os.path.join(args.data_dir, "scorecard")
scorecard_dir = os.path.join(scorecard_dir, os.listdir(scorecard_dir)[0])
logger.info(f"Loading College Scorecard data from directory {scorecard_dir}")
logger.debug("Loading metadata from data.yaml")
with open(os.path.join(scorecard_dir, 'data.yaml'), 'r') as file:
data = yaml.safe_load(file)
logger.info("Loading all CSV files as Pandas dataframes")
files = [f'MERGED{i}_{(i + 1) % 100:02}_PP.csv' for i in tqdm.trange(1996, 2024)]
dataframes = [pd.read_csv(os.path.join(scorecard_dir, file)) for file in tqdm.tqdm(files)]
logger.info("Creating list of all UNITIDs across all files")
unit_ids = np.unique(np.hstack([frame.UNITID.to_numpy() for frame in tqdm.tqdm(dataframes)]))
logger.info("Appending extra columns to each year's dataframes to prepare for appending")
for i, frame in tqdm.tqdm(enumerate(dataframes)):
new_rows = pd.DataFrame({"UNITID": unit_ids[~np.isin(unit_ids, frame.UNITID)]})
dataframes[i] = pd.concat([frame, new_rows]).sort_values(by=["UNITID", "OPEID"])
logger.info("Converting to Results Array")
result = {}
for key, sec in tqdm.tqdm(data['dictionary'].items()):
if 'calculate' in sec:
continue
data_key = sec['source']
if data_key not in dataframes[0]:
continue
parts = key.split('.')
section = result
for i in range(len(parts) - 1):
part = parts[i]
if part not in section:
section[part] = {}
section = section[part]
obj = np.vstack([frame[data_key] for frame in dataframes]).T
for frame in dataframes:
del frame[data_key] # Memory cleanup
if obj.dtype == object:
obj = obj.astype(str)
section[parts[-1]] = obj
logger.info("Cleanup: Deleting Dataframes from Memory")
del dataframes # Memory cleanup
logger.info("Converting to Awkward Array")
a = ak.Array(result)
del result # Memory cleanup
logger.info("Writing to Disk")
ak.to_parquet(a, os.path.join(scorecard_dir, "merged.parquet"))