0update factory-application

Author: hsuanchi

.gitignore

@@ -64,6 +64,7 @@ db.sqlite3-journal
 # Flask stuff:
 instance/
 .webassets-cache
+postgres-data/
 
 # Scrapy stuff:
 .scrapy

template-flask-factory-Application/flask/app/__init__.py

@@ -0,0 +1,19 @@
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from .config.config import config
+
+db = SQLAlchemy()
+
+
+def create_app(config_name):
+
+    app = Flask(__name__)
+    app.config.from_object(config[config_name])
+
+    db.init_app(app)
+
+    @app.route('/')
+    def index():
+        return 'welcome'
+
+    return app

template-flask-factory-Application/flask/app/config/config.py

@@ -0,0 +1,37 @@
+import os
+import datetime
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+
+def create_sqlite_uri(db_name):
+    return "sqlite:///" + os.path.join(basedir, db_name)
+
+
+class BaseConfig:  # 基本配置
+    SECRET_KEY = 'THIS IS MAX'
+    PERMANENT_SESSION_LIFETIME = datetime.timedelta(days=14)
+
+
+class DevelopmentConfig(BaseConfig):
+    DEBUG = False
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://username:password@ip:3306/tablename'
+
+    SQLALCHEMY_ENGINE_OPTIONS = {
+        "pool_pre_ping": True,
+        "pool_recycle": 3600,
+    }
+
+
+class TestingConfig(BaseConfig):
+    TESTING = True
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    SQLALCHEMY_DATABASE_URI = create_sqlite_uri("test.db")
+    WTF_CSRF_ENABLED = False
+
+
+config = {
+    'development': DevelopmentConfig,
+    'testing': TestingConfig,
+}

template-flask-factory-Application/flask/main.py

@@ -0,0 +1,3 @@
+from app import create_app
+
+app = create_app('development')

template-flask-sqlalchemy/requirements.txt renamed to template-flask-factory-Application/flask/requirements.txt

@@ -1,8 +1,8 @@
 click==7.1.2
 Flask==1.1.2
-Flask-SQLAlchemy==2.4.1
+Flask-SQLAlchemy==2.4.4
 itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
-SQLAlchemy==1.3.17
+SQLAlchemy==1.3.18
 Werkzeug==1.0.1

template-flask-sqlalchemy/hash_tag.py

@@ -0,0 +1,104 @@
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+
+import os
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+#TODO: 第二篇增加欄位選項
+#TODO: 第二篇增加讀取全部選項
+
+app = Flask(__name__)
+
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(
+    basedir, 'hashtag.db')
+db = SQLAlchemy(app)
+
+# 多
+relations = db.Table(
+    'relations', db.Column('tid', db.Integer,
+                           db.ForeignKey('hashtag_table.id')),
+    db.Column('pid', db.Integer, db.ForeignKey('post_table.id')))
+
+
+# 一
+class Hashtag(db.Model):
+    __tablename__ = 'hashtag_table'
+    id = db.Column(db.Integer, primary_key=True)
+    tag = db.Column(db.String(20), nullable=False)
+    tag_post_rel = db.relationship("Post",
+                                   secondary=relations,
+                                   backref="hashtag")
+
+    # backref='post', # ref 可以讓我們使用 Post.tags 進行對 tags 操作
+    # lazy='dynamic' # 有使用才載入，提昇效能
+
+
+# ㄧ
+class Post(db.Model):
+    __tablename__ = 'post_table'
+    id = db.Column(db.Integer, primary_key=True)
+    title = db.Column(db.String(80), nullable=False)
+    # tag_id = db.Column(db.Integer, db.ForeignKey('hashtag_table.id'))
+
+
+@app.route('/create_db')
+def index():
+    # db.create_all()
+
+    # t1 = Hashtag(tag='Max')
+    # t2 = Hashtag(tag='Ben')
+
+    # db.session.add_all([t1, t2])
+    # db.session.commit()
+
+    # p1 = Post(title='Post_1')
+    # p2 = Post(title='Post_2')
+    # p3 = Post(title='Post_3')
+
+    # db.session.add_all([p1, p2, p3])
+    # db.session.commit()
+
+    tag1 = Hashtag.query.filter_by(tag='Max').first()
+    print(tag1.id)
+
+    tags = Hashtag.query.all()
+    print(tags)
+
+    for tag in tags:
+        print(tag.id)
+        print(tag.tag)
+
+    return 'ok'
+
+
+@app.route('/show')
+def show():
+
+    # u = Hashtag(tag='Max')
+    # db.session.add(u)
+    # db.session.commit()
+
+    a = Hashtag(tag='Max')
+    print(a.id)
+    # # p = Post(title='0703', tag_id=1)
+    # p = Post(title='070301', tag_id='')
+    # # p = Pet('dog', u.id)
+    # db.session.add(p)
+    # db.session.commit()
+    return 'ok'
+
+
+# @app.route('/one_to_many')
+# def db_relation():
+#     u = Person.query.filter_by(username='Max').first()
+#     print('==========', u.pets)
+#     print('==========', u.pets[0].petname)
+
+#     p = Pet.query.filter_by(petname='dog').first()
+#     print('---------', p.owner.username)
+#     print('---------', p.owner_id)
+#     return 'ok'
+
+if __name__ == "__main__":
+    app.run(debug=True)

template-flask-sqlalchemy/test.db renamed to template-flask-sqlalchemy/hashtag.db

@@ -4,17 +4,14 @@
 import os
 basedir = os.path.abspath(os.path.dirname(__file__))
 
-#TODO: 第二篇增加欄位選項
-#TODO: 第二篇增加讀取全部選項
-
 app = Flask(__name__)
 
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(
     basedir, 'test.db')
 db = SQLAlchemy(app)
 
-
+# 一
 class Person(db.Model):
     __tablename__ = 'person'
     id = db.Column(db.Integer, primary_key=True)
@@ -24,7 +21,7 @@ class Person(db.Model):
     def __init__(self, username):
         self.username = username
 
-
+# 多
 class Pet(db.Model):
     __tablename__ = 'pet'
     id = db.Column(db.Integer, primary_key=True)
@@ -44,7 +41,7 @@ def index():
     db.session.add(u)
     db.session.commit()
 
-    p = Pet('dog', u.id)
+    p = Pet('dog', u.id)
     db.session.add(p)
     db.session.commit()
 

template-flask-sqlalchemy/main.py

@@ -32,4 +32,4 @@ def insert_max():
         db.session.commit()
         return 'ok'
 
-    return app
+    return app