SRA2_preparation/affectations/lotterie.py
2022-11-06 13:24:28 +01:00

66 lines
No EOL
1.7 KiB
Python

#!/usr/bin/env python
import argparse
from random import randint
import pandas as pd
import numpy as np
ETU_CSV = "etudiants.csv"
SUBJ_CSV = "sujets.tsv"
#RES_CSV = "affectations.tsv"
def main(seed):
etu_df = pd.read_csv(ETU_CSV)
res_df = pd.DataFrame()
for gr in etu_df['groupe'].unique():
gr_df = etu_df[etu_df['groupe'] == gr]
subj_df = pd.read_csv(SUBJ_CSV, sep='\t')
while not gr_df.empty:
subj = subj_df.sample()
subj_df = subj_df.drop(index=subj.index)
n_students = min(gr_df.shape[0], 2)
etu = gr_df.sample(n=n_students)
gr_df = gr_df.drop(index=etu.index)
res_df = pd.concat([
res_df,
etu.merge(subj, how='cross')],
ignore_index=True)
# Ajout des sujets non affectes
subj_df['groupe'] = gr
res_df = pd.concat([
res_df,
subj_df],
ignore_index=True)
res_fn = f"affectations_{seed}.tsv"
res_df.to_csv(res_fn, sep='\t', index=False)
print("Successfully wrote", res_fn)
def parse_args():
parser = argparse.ArgumentParser(
prog='Selection de binomes et de sujets SRA2',
description='Mange etudiants.csv et sujets.tsv, génère affectations_<seed>.tsv. '+\
'Vous pouvez lui donner une seed avec l\'option `-s | --seed`.')
parser.add_argument('-s', '--seed')
args = parser.parse_args()
seed = args.seed
if seed is None:
seed = randint(0, 2**32)
np.random.seed(int(seed))
print("Using following random seed:", seed)
return seed
if __name__ == '__main__':
seed = parse_args()
main(seed)