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pip install virtualenv 여러군데 공유하고 작업할 수 있게 기능을 터미널을 이용해 깔아줌
virtualenv env
액티베이트 환경 설정
\env\Scripts\activate.bat
어우 이거 안되어가지고는 스택오버플로우 당근찾아줌
다음. fpip3 install flask flask-sqlalchemy 쳐줌
플라스크가깔아짐
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return "Hello, world!"
if __name__ == "__main__":
app.run(debug=True)
왜 매번 해도 매번 까먹는건지...복습좀하자..
근데 솔직히 css는 부트..그거 있잖어 코드스니펫
body{
margin :0;
font-family : sans-serif;
} index.html
{% extends 'base.html' %}
{% block head %}
{% endblock%}
{% block body %}
<h1>Template</h1>
{% endblock %}진자 활용하여 css파일 링크연결
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel ="stylesheet" href = "{{ url_for('static',filename='css/') }}"
{% block head %}{% endblock%}
</head>
<body>
{% block body %}{% endblock%}
</body>
</html>오 처음배우는 Mysql(db)
or Postgres, or
쨌든 검색해보고..알아보래
forward slashes is an absolute path,
Three is a relative path, we want a relative path here,
because I don't want to have to specify an exact location,
I just want it to reside in the project location.
test.db를 부른다
모든것이 저장된다 test.db file 에
nullable이뭐지 (null에 할당할 수 있는 값 형식)
사용이유: we don't want this to be left blank, we dont want the user to be able to create a new task, and then just leave the content of that task empty
return task
pip3 install flask-SQLAlchemy꼭 깔아주기..
db생성
>>> from app import db
>>> db.create_all()
>>> exit()
---
Heroku
서버 갖게해주는..
from flask import Flask , render_template ,url_for,request
from flask_sqlalchemy import SQLAlchemy
from datetime import datetime
from sqlalchemy.orm import exc
from werkzeug.utils import redirect
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI' ]= 'sqlite:///test.db'
db = SQLAlchemy(app)
db.create_all()
class Todo(db.Model):
id = db.Column(db.Integer,primary_key = True)
content = db.Column(db.String(200), nullable = False)
date_created = db.Column(db.DateTime,default = datetime.utcnow)
def __repr__(self):
return '<Task %r>' % self.id
@app.route('/', methods = ['POST','GET'])
def index():
if request.method == 'POST':
task_content = request.form['content']
new_task = Todo(content = task_content)
try:
db.session.add(new_task)
db.session.commit()
return redirect('/')
except:
return 'There was an issue adding your task'
else:
tasks = Todo.query.order_by(Todo.date_created).all()
return render_template('index.html', tasks = tasks)
@app.route('/delete/<int:id>')
def delete(id):
task_to_delete = Todo.query.get_or_404(id)
try:
db.session.delete(task_to_delete)
db.session.commit()
return redirect('/')
except:
return 'There was a problem deleting that task'
@app.route('/update/<int:id>', methods=['GET', 'POST'])
def update(id):
task = Todo.query.get_or_404(id)
if request.method == 'POST':
task.content = request.form['content']
try:
db.session.commit()
return redirect('/')
except:
return 'There was an issue updating your task'
else:
return render_template('update.html', task=task)
if __name__ == "__main__":
app.run(debug=True,host ='0.0.0.0',port = 5000)
gce오류난거 해결
sudo apt-get install python-setuptools python-dev build-essential
sudo easy_install pip
sudo pip install flask
sudo python app.py
순서대로 쳐 주면 끝:)
GCP Flask 배포
일단은 GCP 콘솔로 들어갑니다. https://console.cloud.google.com/home/dashboard?hl=ko&project=evocative-lodge-266710 Google Cloud Platform 하나의 계정으로 모든 Google 서비스를 Google Cloud Platform을..
philosopher-chan.tistory.com
---
부족한점 :
css,html 기본 문법
flask 기본 문법, 가상환경 구동법
jinja
익숙하지가 않음. 했던거 다까먹음 진짜.. 내것으로 만들기 이번 방학의 목표
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