2022/1/22

entrance/__init__.py

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