python-sdk/docs/_modules/leancloud/engine.html at python-310 · leancloud/python-sdk

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<!DOCTYPE html>

<head>

<title>leancloud.engine — LeanCloud-Python-SDK 2.6.1 文档</title>

<!--[if lt IE 9]>

<![endif]-->

</head>

<a href="../../index.html" class="icon icon-home"> LeanCloud-Python-SDK

</a>

2.6

</div>

</form>

</div>

</div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">

</div>

</nav>

<a href="../../index.html">LeanCloud-Python-SDK</a>

</nav>

<li>leancloud.engine</li>

</li>

</ul>

<hr/>

</div>

<h1>leancloud.engine 源代码</h1><div class="highlight"><pre>

# coding: utf-8

from __future__ import absolute_import

from __future__ import division

from __future__ import print_function

from __future__ import unicode_literals

import os

import sys

import json

import warnings

from werkzeug.wrappers import Request

from werkzeug.wrappers import Response

from werkzeug.serving import run_simple

import leancloud

from . import utils

from . import leanengine

from .authorization import AuthorizationMiddleware

from .cookie_session import CookieSessionMiddleware # noqa: F401

from .cors import CORSMiddleware

from .https_redirect_middleware import HttpsRedirectMiddleware # noqa: F401

from .leanengine import LeanEngineApplication

from .leanengine import LeanEngineError

from .leanengine import after_delete

from .leanengine import after_save

from .leanengine import after_update

from .leanengine import before_delete

from .leanengine import before_save

from .leanengine import before_update

from .leanengine import context

from .leanengine import current

from .leanengine import register_cloud_func

from .leanengine import register_on_bigquery

from .leanengine import register_on_login

from .leanengine import register_on_auth_data

from .leanengine import register_on_verified

from .leanengine import user

__author__ = "asaka <[email protected]>"

<div class="viewcode-block" id="Engine"><a class="viewcode-back" href="../../index.html#leancloud.Engine">[文档]</a>class Engine(object):

"""

LeanEngine middleware.

"""

def __init__(self, wsgi_app=None, fetch_user=True):

"""

LeanEngine middleware constructor.

:param wsgi_app: wsgi callable

:param fetch_user:

should fetch user's data from server while prNoneocessing session token.

:type fetch_user: bool

"""

self.current = current

if wsgi_app:

leanengine.root_engine = self

self.origin_app = wsgi_app

self.app = LeanEngineApplication(fetch_user=fetch_user)

self.cloud_app = context.local_manager.make_middleware(

CORSMiddleware(AuthorizationMiddleware(self.app))

)

def __call__(self, environ, start_response):

request = Request(environ)

environ[

"leanengine.request"

] = request # cache werkzeug request for other middlewares

if request.path in ("/__engine/1/ping", "/__engine/1.1/ping/"):

start_response(

utils.to_native("200 OK"),

[

(

utils.to_native("Content-Type"),

utils.to_native("application/json"),

)

],

)

version = sys.version_info

return Response(

json.dumps(

{

"version": leancloud.__version__,

"runtime": "cpython-{0}.{1}.{2}".format(

version.major, version.minor, version.micro

),

}

)

)(environ, start_response)

return self.cloud_app(environ, start_response)

if request.path.startswith("/1/functions") or request.path.startswith(

"/1.1/functions"

):

if request.path.startswith("/1/call") or request.path.startswith("/1.1/call"):

return self.origin_app(environ, start_response)

<div class="viewcode-block" id="Engine.wrap"><a class="viewcode-back" href="../../index.html#leancloud.Engine.wrap">[文档]</a> def wrap(self, wsgi_app):

if leanengine.root_engine:

raise RuntimeError("It's forbidden that overwriting wsgi_func.")

leanengine.root_engine = self

self.origin_app = wsgi_app

return self</div>

<div class="viewcode-block" id="Engine.register"><a class="viewcode-back" href="../../index.html#leancloud.Engine.register">[文档]</a> def register(self, engine):

if not isinstance(engine, Engine):

raise TypeError("Please specify an Engine instance")

self.app.update_cloud_codes(engine.app.cloud_codes)</div>

<div class="viewcode-block" id="Engine.define"><a class="viewcode-back" href="../../index.html#leancloud.Engine.define">[文档]</a> def define(self, *args, **kwargs):

return register_cloud_func(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.on_verified"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_verified">[文档]</a> def on_verified(self, *args, **kwargs):

return register_on_verified(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.on_login"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_login">[文档]</a> def on_login(self, *args, **kwargs):

return register_on_login(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.on_auth_data"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_auth_data">[文档]</a> def on_auth_data(self, *args, **kwargs):

return register_on_auth_data(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.on_bigquery"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_bigquery">[文档]</a> def on_bigquery(self, *args, **kwargs):

warnings.warn(

"on_bigquery is deprecated, please use on_insight instead",

leancloud.LeanCloudWarning,

)

return register_on_bigquery(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.before_save"><a class="viewcode-back" href="../../index.html#leancloud.Engine.before_save">[文档]</a> def before_save(self, *args, **kwargs):

return before_save(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.after_save"><a class="viewcode-back" href="../../index.html#leancloud.Engine.after_save">[文档]</a> def after_save(self, *args, **kwargs):

return after_save(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.before_update"><a class="viewcode-back" href="../../index.html#leancloud.Engine.before_update">[文档]</a> def before_update(self, *args, **kwargs):

return before_update(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.after_update"><a class="viewcode-back" href="../../index.html#leancloud.Engine.after_update">[文档]</a> def after_update(self, *args, **kwargs):

return after_update(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.before_delete"><a class="viewcode-back" href="../../index.html#leancloud.Engine.before_delete">[文档]</a> def before_delete(self, *args, **kwargs):

return before_delete(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.after_delete"><a class="viewcode-back" href="../../index.html#leancloud.Engine.after_delete">[文档]</a> def after_delete(self, *args, **kwargs):

return after_delete(self.app.cloud_codes, *args, **kwargs)</div>

<div class="viewcode-block" id="Engine.on_insight"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_insight">[文档]</a> def on_insight(self, *args, **kwargs):

<div class="viewcode-block" id="Engine.run"><a class="viewcode-back" href="../../index.html#leancloud.Engine.run">[文档]</a> def run(self, *args, **kwargs):

return run_simple(*args, **kwargs)</div>

<div class="viewcode-block" id="Engine.start"><a class="viewcode-back" href="../../index.html#leancloud.Engine.start">[文档]</a> def start(self):

from gevent.pywsgi import WSGIServer

if not hasattr(leancloud, "APP_ID"):

APP_ID = os.environ["LEANCLOUD_APP_ID"]

APP_KEY = os.environ["LEANCLOUD_APP_KEY"]

MASTER_KEY = os.environ["LEANCLOUD_APP_MASTER_KEY"]

HOOK_KEY = os.environ["LEANCLOUD_APP_HOOK_KEY"]

PORT = int(os.environ.get("LEANCLOUD_APP_PORT"))

leancloud.init(

APP_ID, app_key=APP_KEY, master_key=MASTER_KEY, hook_key=HOOK_KEY

)

def application(environ, start_response):

start_response(

"200 OK".encode("utf-8"),

[("Content-Type".encode("utf-8"), "text/plain".encode("utf-8"))],

)

return "This is a LeanEngine application."

class NopLogger(object):

def write(self, s):

pass

app = self.wrap(application)

self.server = WSGIServer(("", PORT), app, log=NopLogger())

print("LeanEngine Cloud Functions app is running, port:", PORT)

self.server.serve_forever()</div>

<div class="viewcode-block" id="Engine.stop"><a class="viewcode-back" href="../../index.html#leancloud.Engine.stop">[文档]</a> def stop(self):

self.server.stop()</div></div>

__all__ = ["user", "Engine", "LeanEngineError"]

</pre></div>

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