2022/1/22

.flaskenv

@@ -4,3 +4,11 @@ FLASK_ENV=development
 FLASK_DEBUG=1
 FLASK_RUN_HOST = 127.0.0.1
 FLASK_RUN_PORT = 5000
+
+# MySql配置信息
+MYSQL_HOST=127.0.0.1
+# MYSQL_HOST=dbserver
+MYSQL_PORT=3306
+MYSQL_DATABASE=next
+MYSQL_USERNAME=root
+MYSQL_PASSWORD=root

common/model.py

@@ -0,0 +1,79 @@
+import datetime
+
+from entrance.extensions import db
+
+
+class BaseModel(db.Model):
+    __abstract__ = True
+
+    # insert and update
+    def save(self):
+        db.session.add(self)
+        db.session.commit()
+
+    # delete
+    def delete(self):
+        db.session.delete(self)
+        db.session.commit()
+
+
+class CommonModel(BaseModel):
+    __abstract__ = True
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True, comment='用户ID')
+    create_time = db.Column(db.DateTime, default=datetime.datetime.now, comment='创建时间')
+    update_time = db.Column(db.DateTime, onupdate=datetime.datetime.now, comment='更新时间')
+
+
+class CurdModel(BaseModel):
+    __abstract__ = True
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True, comment='用户ID')
+    create_time = db.Column(db.DateTime, default=datetime.datetime.now, comment='创建时间')
+    update_time = db.Column(db.DateTime, onupdate=datetime.datetime.now, comment='更新时间')
+    delete_at = db.Column(db.DateTime, comment='删除时间')
+
+
+Column = db.Column
+
+TypeDecorator = db.TypeDecorator
+INT = db.INT
+CHAR = db.CHAR
+VARCHAR = db.VARCHAR
+NCHAR = db.NCHAR
+NVARCHAR = db.NVARCHAR
+TEXT = db.TEXT
+Text = db.Text
+FLOAT = db.FLOAT
+NUMERIC = db.NUMERIC
+REAL = db.REAL
+DECIMAL = db.DECIMAL
+TIMESTAMP = db.TIMESTAMP
+DATETIME = db.DATETIME
+CLOB = db.CLOB
+BLOB = db.BLOB
+BINARY = db.BINARY
+VARBINARY = db.VARBINARY
+BOOLEAN = db.BOOLEAN
+BIGINT = db.BIGINT
+SMALLINT = db.SMALLINT
+INTEGER = db.INTEGER
+DATE = db.DATE
+TIME = db.TIME
+TupleType = db.TupleType
+String = db.String
+Integer = db.Integer
+SmallInteger = db.SmallInteger
+BigInteger = db.BigInteger
+Numeric = db.Numeric
+Float = db.Float
+DateTime = db.DateTime
+Date = db.Date
+Time = db.Time
+LargeBinary = db.LargeBinary
+Boolean = db.Boolean
+Unicode = db.Unicode
+UnicodeText = db.UnicodeText
+PickleType = db.PickleType
+Interval = db.Interval
+Enum = db.Enum
+ARRAY = db.ARRAY
+JSON = db.JSON

common/view.py

@@ -1 +1,79 @@
-from flask_restx import Resource, Namespace
+from flask import Blueprint as FlaskBlueprint
+from flask.views import MethodViewType, MethodView
+
+
+class Blueprint(FlaskBlueprint):
+
+    # Order in which the methods are presented in the spec
+    HTTP_METHODS = ["OPTIONS", "HEAD", "GET", "POST", "PUT", "PATCH", "DELETE"]
+
+    DEFAULT_LOCATION_CONTENT_TYPE_MAPPING = {
+        "json": "application/json",
+        "form": "application/x-www-form-urlencoded",
+        "files": "multipart/form-data",
+    }
+
+
+
+    def __init__(self, *args, **kwargs):
+
+        self.description = kwargs.pop("description", "")
+
+        super().__init__(*args, **kwargs)
+
+        self._endpoints = []
+
+    def add_url_rule(
+        self,
+        rule,
+        endpoint=None,
+        view_func=None,
+        provide_automatic_options=None,
+        *,
+        parameters=None,
+        tags=None,
+        **options,
+    ):
+
+        if view_func is None:
+            raise TypeError("view_func must be provided")
+
+        if endpoint is None:
+            endpoint = view_func.__name__
+
+        # Ensure endpoint name is unique
+        # - to avoid a name clash when registering a MethodView
+        # - to use it as a key internally in endpoint -> doc mapping
+        if endpoint in self._endpoints:
+            endpoint = f"{endpoint}_{len(self._endpoints)}"
+        self._endpoints.append(endpoint)
+
+        if isinstance(view_func, MethodViewType):
+            func = view_func.as_view(endpoint)
+        else:
+            func = view_func
+
+        # Add URL rule in Flask and store endpoint documentation
+        super().add_url_rule(rule, endpoint, func, **options)
+
+    def route(self, rule, *, parameters=None, tags=None, **options):
+        """Decorator to register view function in application and documentation
+
+        Calls :meth:`add_url_rule <Blueprint.add_url_rule>`.
+        """
+
+        def decorator(func):
+            endpoint = options.pop("endpoint", None)
+            self.add_url_rule(
+                rule, endpoint, func, parameters=parameters, tags=tags, **options
+            )
+            return func
+
+        return decorator
+
+    def register_child_bp(self, bp_lists):
+        for bp in bp_lists:
+            self.register_blueprint(bp)
+
+class View(MethodView):
+    pass

entrance/__init__.py

@@ -1,11 +1,15 @@
 from flask import Flask
 
-from entrance.extend.restx import sys
+from entrance import config
-# from entrance.extensions import init_extensions
+from entrance.bps import sys, register_parent_bp
+
+
+from entrance.extensions import init_extensions
 
 
 def create_app():
     app = Flask(__name__)
-    app.register_blueprint(sys)
+    app.config.from_pyfile('config.py')
-    # init_extensions(app)
+    register_parent_bp(app)
+    init_extensions(app)
     return app

entrance/bps.py

@@ -0,0 +1,19 @@
+from flask import Flask
+from typing import List
+from common.view import Blueprint
+from modules.sys.view.user import user
+
+sys = Blueprint('sys', __name__, url_prefix='/sys')
+sys_lists: List[Blueprint] = [
+    user
+]
+sys.register_child_bp(sys_lists)
+
+parent_lists: List[Blueprint] = [
+    sys
+]
+
+
+def register_parent_bp(app: Flask):
+    for bp in parent_lists:
+        app.register_blueprint(bp)

entrance/config.py

@@ -0,0 +1,15 @@
+import os
+
+# mysql 配置
+MYSQL_USERNAME: str = os.getenv('MYSQL_USERNAME') or "root"
+MYSQL_PASSWORD: str = os.getenv('MYSQL_PASSWORD') or "123456"
+MYSQL_HOST: str = os.getenv('MYSQL_HOST') or "127.0.0.1"
+MYSQL_PORT: int = int(os.getenv('MYSQL_PORT') or 3306)
+MYSQL_DATABASE: str = os.getenv('MYSQL_DATABASE') or "PearAdminFlask"
+
+# mysql 数据库的配置信息
+SQLALCHEMY_DATABASE_URI: str = f"mysql+pymysql://{MYSQL_USERNAME}:{MYSQL_PASSWORD}@{MYSQL_HOST}:{MYSQL_PORT}/{MYSQL_DATABASE}"
+
+SQLALCHEMY_TRACK_MODIFICATIONS = True
+SQLALCHEMY_ECHO = False
+SQLALCHEMY_POOL_RECYCLE = 8

entrance/extend/migrate.py

@@ -0,0 +1,6 @@
+from flask_migrate import Migrate
+
+from entrance.extend.orm import db
+from entrance.models import model_lists
+migrate = Migrate(db=db, directory='entrance/migrations')
+

entrance/extend/orm.py

@@ -0,0 +1,3 @@
+from flask_sqlalchemy import SQLAlchemy
+
+db: SQLAlchemy = SQLAlchemy()

entrance/extend/restx.py

@@ -1,12 +0,0 @@
-from flask import Blueprint
-from flask_restx import Api
-
-from entrance.namespaces import namespaces
-
-sys = Blueprint('sys', __name__, url_prefix='/sys')
-
-api = Api(sys, version='1.0', title='Pear Admin Flask',
-          description='admin based on flask and layui',
-          )
-for i in namespaces:
-    api.add_namespace(i)

entrance/extensions.py

@@ -1,8 +1,9 @@
 from flask import Flask
-from flask_restx import Api
+
-from flask import Blueprint
+from entrance.extend.orm import db
-from entrance.namespaces import namespaces
+from entrance.extend.migrate import migrate
 
 
 def init_extensions(app: Flask):
-    pass
+    db.init_app(app)
+    migrate.init_app(app)

entrance/migrations/README

@@ -0,0 +1 @@
+Single-database configuration for Flask.

entrance/migrations/alembic.ini

@@ -0,0 +1,50 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic,flask_migrate
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

entrance/migrations/env.py

@@ -0,0 +1,91 @@
+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option(
+    'sqlalchemy.url',
+    str(current_app.extensions['migrate'].db.get_engine().url).replace(
+        '%', '%%'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=target_metadata, literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    connectable = current_app.extensions['migrate'].db.get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

entrance/migrations/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

entrance/migrations/versions/74133ba99af7_.py

@@ -0,0 +1,32 @@
+"""empty message
+
+Revision ID: 74133ba99af7
+Revises: 
+Create Date: 2022-01-22 18:50:29.097473
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '74133ba99af7'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('admin_user',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='用户ID'),
+    sa.Column('username', sa.String(length=20), nullable=True, comment='用户名'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('admin_user')
+    # ### end Alembic commands ###

entrance/models.py

@@ -0,0 +1,5 @@
+from modules.sys.models import user
+
+model_lists = {
+    user
+}

entrance/namespaces.py

@@ -1,7 +0,0 @@
-from typing import List
-from flask_restx import Namespace
-from modules.sys.user import userns
-
-namespaces: List[Namespace] = [
-    userns,
-]

modules/sys/models/user.py

@@ -0,0 +1,15 @@
+from common.model import BaseModel, Column, String, Integer
+from pydantic import BaseModel as PModel
+
+
+class User(BaseModel):
+    __tablename__ = 'admin_user'
+    id = Column(Integer, primary_key=True, autoincrement=True, comment='用户ID')
+    username = Column(String(20), comment='用户名')
+
+
+class Userschema(PModel):
+    id: int
+    username: str
+    class Config:
+        orm_mode = True

modules/sys/user.py

@@ -1,13 +0,0 @@
-from common.view import Resource,Namespace
-
-userns = Namespace('aa', ordered=True)
-
-
-@userns.route('/a')
-class MyResource(Resource):
-    def get(self):
-        return {}
-
-    @userns.response(403, 'Not Authorized')
-    def post(self):
-        userns.abort(403)

modules/sys/view/user.py

@@ -0,0 +1,19 @@
+from typing import List
+
+from common.view import Blueprint,View
+from flask import jsonify
+
+from pydantic import BaseModel, ValidationError, constr, parse_obj_as
+
+from modules.sys.models.user import User, Userschema
+
+user = Blueprint('sys', __name__, url_prefix='/user')
+
+
+@user.route('/')
+class UserView(View):
+    def get(self):
+        u = User.query.all()
+        # m = parse_obj_as(List[User], u)
+
+        return '1'

require/min.txt

@@ -1,3 +1,5 @@
 -i https://pypi.tuna.tsinghua.edu.cn/simple
 Flask==2.0.2
 flask-restx==0.5.1
+pymysql==1.0.2
+Flask-Migrate==3.1.0