シフト表を自動生成するプログラム

準備

console

pip install numpy

ソースコード

sample.py

# -*- coding: utf-8 -*-

##3-clause license ("BSD License 2.0", "Revised BSD License", "New BSD License", or "Modified BSD License")
##修正BSDライセンス・三条項BSDライセンス

##Copyright (c) 2023, a_d_j_u_s_t
##All rights reserved.

##Redistribution and use in source and binary forms, with or without
##modification, are permitted provided that the following conditions are met:
##* Redistributions of source code must retain the above copyright notice, 
##  this list of conditions and the following disclaimer.
##* Redistributions in binary form must reproduce the above copyright notice, 
##  this list of conditions and the following disclaimer in the documentation 
##  and/or other materials provided with the distribution.
##* Neither the name of the <organization> nor the names of its contributors 
##  may be used to endorse or promote products derived from this software 
##  without specific prior written permission.

##THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
##ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
##WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
##DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
##DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
##(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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import numpy as np

# 従業員のリストと各従業員が週に働く日数
employees = ["従業員1", "従業員2", "従業員3", "従業員4"]
days_per_week = {"従業員1": 5, "従業員2": 4, "従業員3": 3, "従業員4": 5}
#1日あたりに出勤する従業員の最低人数
day_out_employes=[2,2,2,2,3,3,3]
sum_days=0
for employee in employees:
    sum_days+=days_per_week[employee]
if sum_days < sum(day_out_employes):
    print("please,adjust day_out_employes.")

# シフトの初期化（週7日分）
shift_schedule = {employee: ["休み"] * 7 for employee in employees}

# シフトをランダムに作成する関数
def create_random_shift(employee, days_to_work):
    sh=np.array([])
    while True:
        sh=np.random.randint(0,2,(7,))
        if days_to_work==sh.sum():
            break
    shift=np.array([])
    for i in sh:
        if i==1:
            shift=np.append(shift,"出勤")
        else:
            shift=np.append(shift,"休み")
    return shift

while True:
    # シフトを生成
    for employee in employees:
        days_to_work = days_per_week[employee]
        shift_schedule[employee] = create_random_shift(employee, days_to_work)
    sh=np.array([])
    sh_count=np.full((7,),0)
    for employee in employees:
        sh=np.array(shift_schedule[employee])
        for d in range(7):
            if sh[d]=="出勤":
                sh_count[d]+=1
    out_flag=0
    for d in range(7):
        if sh_count[d]>=day_out_employes[d]:
            out_flag+=1
    if out_flag >= 7:
        break

# シフトを表示
for employee, shift in shift_schedule.items():
    print(f"{employee}: {', '.join(shift)}")