mirror of
https://github.com/tencentmusic/cube-studio.git
synced 2024-11-21 01:16:33 +08:00
324 lines
9.5 KiB
Python
324 lines
9.5 KiB
Python
# 避免多进程同时启动对系统cpu负载过高
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import time,random
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# time.sleep(random.randint(1,10))
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from flask import g
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from copy import deepcopy
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import json
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import logging
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from logging.handlers import TimedRotatingFileHandler
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import os
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from flask import render_template,redirect
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from flask import Flask, redirect
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from flask_appbuilder import AppBuilder, IndexView, SQLA
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from flask_appbuilder.baseviews import expose
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from flask_compress import Compress
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from flask_migrate import Migrate
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from flask_talisman import Talisman
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from flask_wtf.csrf import CSRFProtect
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from werkzeug.contrib.fixers import ProxyFix
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import wtforms_json
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from myapp import config
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from myapp.security import MyappSecurityManager
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from myapp.utils.core import pessimistic_connection_handling, setup_cache
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from myapp.utils.log import DBEventLogger
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import pysnooper
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wtforms_json.init()
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# 在这个文件里面只创建app，不要做view层面的事情。
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APP_DIR = os.path.dirname(__file__)
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CONFIG_MODULE = os.environ.get("MYAPP_CONFIG", "myapp.config")
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# app = Flask(__name__,static_url_path='/static',static_folder='static',template_folder='templates')
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app = Flask(__name__) # ,static_folder='/mnt',static_url_path='/mnt'
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app.config.from_object(CONFIG_MODULE)
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conf = app.config
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if conf.get('DATA_DIR',''):
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if not os.path.exists(conf['DATA_DIR']):
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os.makedirs(conf['DATA_DIR'])
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print(conf.get('SQLALCHEMY_DATABASE_URI',''))
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#################################################################
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# Handling manifest file logic at app start
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#################################################################
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# 依赖js和css的配置文件
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# MANIFEST_FILE = APP_DIR + "/static/assets/dist/manifest.json"
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MANIFEST_FILE = APP_DIR + "/assets/dist/manifest.json"
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manifest = {}
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# @pysnooper.snoop()
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def parse_manifest_json():
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global manifest
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try:
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with open(MANIFEST_FILE, "r") as f:
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# the manifest inclues non-entry files
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# we only need entries in templates
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full_manifest = json.load(f)
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manifest = full_manifest.get("entrypoints", {})
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except Exception:
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pass
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# 获取依赖的js文件地址
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# @pysnooper.snoop()
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def get_js_manifest_files(filename):
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if app.debug:
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parse_manifest_json()
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entry_files = manifest.get(filename, {})
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return entry_files.get("js", [])
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# 获取依赖的css文件地址
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# @pysnooper.snoop()
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def get_css_manifest_files(filename):
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if app.debug:
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parse_manifest_json()
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entry_files = manifest.get(filename, {})
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return entry_files.get("css", [])
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def get_unloaded_chunks(files, loaded_chunks):
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filtered_files = [f for f in files if f not in loaded_chunks]
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for f in filtered_files:
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loaded_chunks.add(f)
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return filtered_files
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parse_manifest_json()
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# 字典每一个key，例如css_manifest都可以在模板中使用
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@app.context_processor
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def get_manifest():
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return dict(
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loaded_chunks=set(),
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get_unloaded_chunks=get_unloaded_chunks,
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js_manifest=get_js_manifest_files,
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css_manifest=get_css_manifest_files,
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)
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#######################################blueprints##########################
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for bp in conf.get("BLUEPRINTS"):
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try:
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print("Registering blueprint: '{}'".format(bp.name))
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app.register_blueprint(bp)
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except Exception as e:
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print("blueprint registration failed")
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logging.exception(e)
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if conf.get("SILENCE_FAB"):
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logging.getLogger("flask_appbuilder").setLevel(logging.ERROR)
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if app.debug:
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app.logger.setLevel(logging.DEBUG) # pylint: disable=no-member
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else:
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# In production mode, add log handler to sys.stderr.
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app.logger.addHandler(logging.StreamHandler()) # pylint: disable=no-member
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app.logger.setLevel(logging.INFO) # pylint: disable=no-member
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db = SQLA(app)
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if conf.get("WTF_CSRF_ENABLED"):
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csrf = CSRFProtect(app)
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csrf_exempt_list = conf.get("WTF_CSRF_EXEMPT_LIST", [])
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for ex in csrf_exempt_list:
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csrf.exempt(ex)
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pessimistic_connection_handling(db.engine)
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cache = setup_cache(app, conf.get("CACHE_CONFIG"))
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migrate = Migrate(app, db, directory=APP_DIR + "/migrations")
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# Logging configuration
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logging.basicConfig(format=app.config.get("LOG_FORMAT"))
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logging.getLogger().setLevel(app.config.get("LOG_LEVEL"))
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# 系统日志输出，myapp的输出。在gunicor是使用
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if conf.get("ENABLE_TIME_ROTATE"):
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logging.getLogger().setLevel(conf.get("TIME_ROTATE_LOG_LEVEL"))
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handler = TimedRotatingFileHandler(
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conf.get("FILENAME"),
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when=conf.get("ROLLOVER"),
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interval=conf.get("INTERVAL"),
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backupCount=conf.get("BACKUP_COUNT"),
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)
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logging.getLogger().addHandler(handler)
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if conf.get("ENABLE_CORS"):
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from flask_cors import CORS
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CORS(app, **conf.get("CORS_OPTIONS"))
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if conf.get("ENABLE_PROXY_FIX"):
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app.wsgi_app = ProxyFix(app.wsgi_app)
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if conf.get("ENABLE_CHUNK_ENCODING"):
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class ChunkedEncodingFix(object):
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def __init__(self, app):
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self.app = app
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def __call__(self, environ, start_response):
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# Setting wsgi.input_terminated tells werkzeug.wsgi to ignore
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# content-length and read the stream till the end.
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if environ.get("HTTP_TRANSFER_ENCODING", "").lower() == u"chunked":
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environ["wsgi.input_terminated"] = True
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return self.app(environ, start_response)
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app.wsgi_app = ChunkedEncodingFix(app.wsgi_app)
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if conf.get("UPLOAD_FOLDER"):
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try:
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os.makedirs(conf.get("UPLOAD_FOLDER"))
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except OSError:
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pass
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for middleware in conf.get("ADDITIONAL_MIDDLEWARE"):
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app.wsgi_app = middleware(app.wsgi_app)
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class MyIndexView(IndexView):
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@expose("/")
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def index(self):
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if not g.user or not g.user.get_id():
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return redirect(appbuilder.get_url_for_login)
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return redirect("/myapp/home")
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# return redirect('pipeline_modelview/list/?_flt_2_name=')
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custom_sm = conf.get("CUSTOM_SECURITY_MANAGER") or MyappSecurityManager
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if not issubclass(custom_sm, MyappSecurityManager):
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raise Exception(
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"""Your CUSTOM_SECURITY_MANAGER must now extend MyappSecurityManager,
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not FAB's security manager.
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See [4565] in UPDATING.md"""
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)
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# 创建appbuilder
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with app.app_context():
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# 创建所有表
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# db.create_all()
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# 创建fab
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appbuilder = AppBuilder(
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app,
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db.session,
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base_template="myapp/base.html",
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indexview=MyIndexView, # 首页
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security_manager_class=custom_sm, # 自定义认证方式
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# Run `myapp init` to update FAB's perms,设置为true就可以自动更新了，这样才能自动添加新建权限
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update_perms=True,
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)
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security_manager = appbuilder.sm
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results_backend = conf.get("RESULTS_BACKEND")
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# Merge user defined feature flags with default feature flags
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_feature_flags = conf.get("DEFAULT_FEATURE_FLAGS") or {}
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_feature_flags.update(conf.get("FEATURE_FLAGS") or {})
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# Event Logger
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event_logger = conf.get("EVENT_LOGGER", DBEventLogger)()
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def get_feature_flags():
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GET_FEATURE_FLAGS_FUNC = conf.get("GET_FEATURE_FLAGS_FUNC")
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if GET_FEATURE_FLAGS_FUNC:
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return GET_FEATURE_FLAGS_FUNC(deepcopy(_feature_flags))
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return _feature_flags
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def is_feature_enabled(feature):
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"""Utility function for checking whether a feature is turned on"""
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return get_feature_flags().get(feature)
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# Flask-Compress
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if conf.get("ENABLE_FLASK_COMPRESS"):
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Compress(app)
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if conf["TALISMAN_ENABLED"]:
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talisman_config = conf.get("TALISMAN_CONFIG")
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Talisman(app, **talisman_config)
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# Hook that provides administrators a handle on the Flask APP
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# after initialization
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flask_app_mutator = conf.get("FLASK_APP_MUTATOR")
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if flask_app_mutator:
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flask_app_mutator(app)
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# from flask import Flask, json, make_response
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# 添加每次请求后的操作函数，必须要返回res
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@app.after_request
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def myapp_after_request(resp):
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try:
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if g.user and g.user.username:
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resp.set_cookie('myapp_username', g.user.username)
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if hasattr(g, 'id'):
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resp.set_cookie('id', str(g.id),max_age=3) # 设置有效期
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if g.user and g.user.first_name:
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if 'vip' in g.user.first_name:
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resp.set_cookie('version', str('vip')) # 设置有效期
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except Exception as e:
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# print(e)
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resp.set_cookie('myapp_username', 'myapp')
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# resp.delete_cookie('id')
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return resp
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# 配置影响后操作
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@app.after_request
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def apply_http_headers(response):
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"""Applies the configuration's http headers to all responses"""
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for k, v in conf.get("HTTP_HEADERS").items():
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response.headers[k] = v
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# response.headers.add("Access-Control-Allow-Origin", "*")
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return response
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@appbuilder.app.errorhandler(404)
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def page_not_found(e):
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return (
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render_template(
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"404.html", base_template=appbuilder.base_template, appbuilder=appbuilder
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),
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404,
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)
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# 配置werkzeug的日志级别为error，这样就不会频繁的打印访问路径了。
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# log = logging.getLogger('werkzeug')
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# log.setLevel(logging.ERROR)
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if __name__ != '__main__':
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# 如果不是直接运行，则将日志输出到 gunicorn 中
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gunicorn_logger = logging.getLogger('gunicorn.error')
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app.logger.handlers = gunicorn_logger.handlers
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app.logger.setLevel(gunicorn_logger.level)
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# 引入视图
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from myapp import views
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# def can_access(menuitem):
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# print(menuitem.name,menuitem.label)
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# return security_manager.can_access("menu access",menuitem.label)
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#
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#
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# for item1 in appbuilder.menu.get_list():
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# item1.can_access = can_access
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