[英]Python Flask Change Password Login Form
I've created a Python Flask site with a login form and a signup form.我创建了一个 Python Flask 网站,其中包含登录表单和注册表单。 Both of these are working and when a user signs up, their email, name and password (sha256 hashed) are stored in a sqlite database.
这两个都有效,当用户注册时,他们的 email、名称和密码(sha256 哈希)存储在 sqlite 数据库中。 I now need to use the flask_change_password library to create a form that will allow users to change their password and I'm just struggling on this.
我现在需要使用 flask_change_password 库来创建一个允许用户更改密码的表单,而我正在努力解决这个问题。
First, I'm using PyCharm and installed flask-change-password for my env but when I add this line from flask_change_password import ChangePassword
, I get:首先,我使用 PyCharm 并为我的环境安装了 flask-change-password 但是当我
from flask_change_password import ChangePassword
添加这一行时,我得到:
from flask_change_password import ChangePassword
ModuleNotFoundError: No module named 'flask_change_password'
I don't understand this because I did install it in my env.我不明白这一点,因为我确实在我的环境中安装了它。 I also tried installing with pip
pip install flask-change-password
to resolve the error without success.我也尝试安装 pip
pip install flask-change-password
来解决错误但没有成功。
My second problem is that I don't know where I should implement or how to implement the change_password form or how to change a certain password for a specific user.我的第二个问题是我不知道我应该在哪里实现或如何实现 change_password 表单或如何为特定用户更改某个密码。
This is my auth code for signup and login:这是我的注册和登录授权码:
from flask import Blueprint, render_template, redirect, url_for, request, flash
from flask_change_password import ChangePasswordForm
from flask_login import login_user, login_required, logout_user
from sqlalchemy.sql.functions import current_user
from werkzeug.security import generate_password_hash, check_password_hash
from .models import User
from . import db
auth = Blueprint('auth', __name__)
@auth.route('/login')
def login():
return render_template('login.html')
@auth.route('/signup')
def signup():
return render_template('signup.html')
@auth.route('/signup', methods=['POST'])
def signup_post():
email = request.form.get('email')
name = request.form.get('name')
password = request.form.get('password')
user = User.query.filter_by(email=email).first() # check to see if user already exists
if user: # if a user is found, we want to redirect back to signup page so user can try again
flash('email address already exists. please login with your email.')
return redirect(url_for('auth.signup'))
new_user = User(email=email, name=name, password=generate_password_hash(password, method='sha256'))
# add the new user to the database
db.session.add(new_user)
db.session.commit()
return redirect(url_for('auth.login'))
@auth.route('/login', methods=['POST'])
def login_post():
email = request.form.get('email')
password = request.form.get('password')
remember = True if request.form.get('remember') else False
user = User.query.filter_by(email=email).first()
if not user or not check_password_hash(user.password, password):
flash('Please check your login details and try again.')
return redirect(url_for('auth.login')) # if the user doesn't exist or password is wrong, reload the page
login_user(user, remember=remember)
return redirect(url_for('main.profile'))
@auth.route('/logout')
@login_required
def logout():
logout_user()
return render_template('goodbye.html')
My init code:我的初始化代码:
from flask_sqlalchemy import SQLAlchemy
from flask_change_password import ChangePassword
db = SQLAlchemy()
def create_app():
app = Flask(__name__)
app.config['SECRET_KEY'] = 'UMGC-SDEV300-Key'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///db.sqlite'
# app.secret_key = os.urandom(20)
# flask_change_password = ChangePassword(min_password_length=10, rules=dict(long_password_override=2))
# flask_change_password.init_app(app)
db.init_app(app)
login_manager = LoginManager()
login_manager.login_view = 'auth.login'
login_manager.init_app(app)
from .models import User
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
from .auth import auth as auth_blueprint
app.register_blueprint(auth_blueprint)
from .main import main as main_blueprint
app.register_blueprint(main_blueprint)
return app
As you can see, I'm importing the flask_change_password
module ChangePasswordForm
but It fails to import??如您所见,我正在导入
flask_change_password
模块ChangePasswordForm
但导入失败?
I ended up fixing this issue by removing flask from the default instance of pip3.我最终通过从 pip3 的默认实例中删除 flask 解决了这个问题。 I also removed flask-security from the default instance of pip3.
我还从 pip3 的默认实例中删除了 flask-security。 I then reinstalled each of these modules in the venv and everything worked.
然后我在 venv 中重新安装了这些模块中的每一个,一切正常。
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