I want to create a web application that uses League of Legends data ①

I want to create a LOL data collection web application using Django

Up to the last time, I was able to learn how to retrieve data and save it in a database, so I would like to develop a web application from this part.

Until last time I want to get League of Legends data ① I want to get League of Legends data ② I want to get League of Legends data ③

environment

As of 2/8/2020 OS:windows10 Anaconda:4.8.1 python:3.7.6 MySQL:8.0.19 Django:3.0.1 PyMySQL:0.9.3

Introducing Django

Installation

python -m pip install djangoRun

Change from last time

Change the library to import from MySQLdb to PyMySQL python -m pip install pymysql import mysql -> import pymysql

Create

First, run `django-admin startproject MyProject``` on a directory called APP. ![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/571147/3df0397c-1103-da55-89a1-1d9ca5622ce4.png) This kind of hierarchy is completed. Execute python manage.py startapp LOLApp `` in the same hierarchy as ** manage.py **. image.png You will have something like this.

Change setting.py

*** Added **'LOLApp.apps.LolappConfig', ** to INSTALLED_APPS ***. Then change *** DATABASES ***. Since the database is sqlite3 by default, make it mysql.

Original code


DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
   }
}

After change


DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'LOLdb',
        'USER': 'root',
        'PASSWORD': '{Initial password set}',
        'HOST': 'localhost',
        'PORT': '3306',
        'OPTIONS':{
            'init_command': "SET 
            sql_mode='STRICT_TRANS_TABLES'",
        }
    }
}

Next, change *** LANGUAGE_CODE *** from **'en-us' ** to **'ja' **. Finally, change *** TIME_ZONE *** from 'UTC' to 'Asia / Tokyo'.

Modify manage.py

At the very end

import pymysql

pymysql.install_as_MySQLdb

Add.

python manage.Run py makemigrations LOL App



#### **`python manage.Run py migrate`**
```Run py migrate

 ![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/571147/7b645d72-6bac-f99e-f166-0c5fd22b9d31.png)
 In addition to the previously created table ** match_data **, a new one will be created.

## Start the development server

#### **`python manage.Run py run server and try to jump to the output address.`**
```Run py run server and try to jump to the output address.

 ![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/571147/1fc2fc10-544f-6da0-8d84-0cf645ce03b1.png)
 If such a screen appears, it is a success for the time being.

## Create view

#### **`views.py`**
```python

from django.shortcuts import render
from django.http import HttpResponse #add to
# Create your views here.

def index(request):
    return HttpResponse("Hello World!")

Create *** urls.py *** directly under *** LOLApp ***. Give the path corresponding to the previous view.

LOLApp/urls.py


from django.urls import path
from . import views

urlpatterns = [
    path('',views.index,name='index'),
]

Make changes to *** urls.py *** directly under *** MyProject ***.

MyProject/urls.py


from django.contrib import admin
from django.urls import path,include #add include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('LOLApp/',include('LOLApp.urls')), #add to
]

python manage.Run py runserver to the previous address**/LOLApp**When you add and access


 ![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/571147/fd349263-88c0-2bcc-509a-b87449691023.png)
 If it is, it is OK for the time being.

### Create a model


#### **`models.py`**
```python

from django.db import models

# Create your models here.
class Match_data(models.Model):
    sn = models.CharField(max_length=200)
    kills = models.IntegerField(default=0)
    deaths = models.IntegerField(default=0)
    assists = models.IntegerField(default=0)
    championId = models.IntegerField(default=0)
    roles = models.CharField(max_length=200)
    cs = models.IntegerField(default=0)
    gold = models.IntegerField(default=0)
    damage = models.IntegerField(default=0)
    side = models.CharField(max_length=200)
    game_time = models.IntegerField(default=0)

python manage.py makemigrations LOLApp



#### **`python manage.py migrate`**
```py migrate


#### **`python manage.py sqlmigrate LOLApp 0001`**
```py sqlmigrate LOLApp 0001

 ![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/571147/024e5511-e62f-2e03-2a67-4fac3e7e0041.png)
 ** lolapp_match_data ** is newly added to the table.


#### **`python manage.Run py shell and give it a try.`**
```Run py shell and give it a try.


```python 
from LOLApp.models import Match_data 
Match_data.objects.all()
# <QuerySet []>
a = Match_data(sn="aaa",kills=2,deaths=3,assists=5,championId=100,roles="MID",cs=100,gold=10000,damage=10000,side="BLUE",game_time=1500)
a.save() #Save data
a
#<Match_data: Match_data object (1)>

If you check with the MySQL command image.png It was confirmed that it was saved in the database.

Create an administrative account

python manage.Execute py createsuperuser to register the user name, email address and password.


 You can then run ``` python manage.py runsever``` and go to ** http://127.0.0.1:8000/admin/** to jump to the admin site. Modify *** admin.py *** to work with the model on this administration site.


#### **`admin.py`**
```python

from django.contrib import admin
from .models import Match_data

# Register your models here.
admin.site.register(Match_data)

If you add this and reload it![Image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/571147/e083f106-98cf-feb0-a4a0 -c7de71052209.png) The model has been addedImage.png You can work with the data on this screen.

Summary

This time, I used the framework to modify the data obtained from the previous item. Next, in order to make a WEB application, I have to make a base to display, so I would like to make that a little.

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