【django】【Python】django-import-exportを用いてcsvデータをDBに一括登録する

$ pipenv install django-import-export

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'cms.apps.CmsConfig',
    'import_export',   #追加
    'bootstrap4',  
]

$ python manage.py createsuperuser
ユーザー名 (leave blank to use 'hoge'): 　※設定してください
メールアドレス: ※設定してください
Password: ※設定してください
Password (again): ※設定してください
Superuser created successfully.

$ python manage.py runserver

from django.db import models

# Create your models here.
class Medilist(models.Model):
    normal_name = models.CharField(verbose_name='一般名', max_length=100, blank=True, null=True)
    medi_name = models.CharField(verbose_name='商品名', max_length=100, blank=True, null=True)
    en_name = models.CharField(verbose_name='英語名', max_length=100, blank=True, null=True)
    cust_id = models.CharField(verbose_name='ID', max_length=100, blank=True, null=True)
    class Meta:
       db_table = 'mediDBlist'
       verbose_name = '薬剤DBリスト'
       verbose_name_plural = '薬剤DBリスト'

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'cms.apps.CmsConfig',　　#追加
    'import_export',   
    'bootstrap4',  
]

$ python manage.py makemigrations cms
Migrations for 'cms':
  cms/migrations/0001_initial.py
    - Create model Medilist

$ python manage.py migrate cms

Operations to perform:
  Apply all migrations: cms
Running migrations:
  Applying cms.0001_initial... OK

from django.contrib import admin
from .models import Medilist  # 追加
from import_export import resources  # 追加
from import_export.admin import ImportExportModelAdmin  # 追加
from import_export.fields import Field # 追加


class MedilistResource(resources.ModelResource): 
   normal_name = Field(attribute='normal_name', column_name='normal_name')
   medi_name = Field(attribute='medi_name', column_name='medi_name')
   en_name = Field(attribute='en_name', column_name='en_name')
   cust_id = Field(attribute='cust_id', column_name='cust_id')
   class Meta:
       model = Medilist
       # Controls if the import should skip unchanged records. Default value is False
       skip_unchanged = True
       use_bulk = True

@admin.register(Medilist)

class MedilistAdmin(ImportExportModelAdmin):
   ordering = ['id']
   list_display = ('id', 'normal_name', 'medi_name', 'en_name','cust_id')
   # resource_classにModelResourceを継承したクラス設定
   resource_class = MedilistResource