How to use py4web - 10 common examples

def test_session_in_db(self):
        request.app_name = "myapp"
        db = DAL("sqlite:memory")
        session = Session(secret="a", expiration=10, storage=DBStore(db))
        request.cookies.clear()
        session.on_request()
        session["key"] = "value"
        session.on_success()
        cookie_name = session.local.session_cookie_name

        a, b = str(response._cookies)[len("Set-Cookie: ") :].split(";")[0].split("=", 1)
        request.cookies[a] = b
        request.cookies = response._cookies
        session.local.data.clear()

        session = Session(expiration=10, storage=DBStore(db))
        session.on_request()
        self.assertEqual(session.get("key"), "value")

def test_session(self):
        request.app_name = "myapp"
        session = Session(secret="a", expiration=10)
        session.on_request()
        session["key"] = "value"
        session.on_success()
        cookie_name = session.local.session_cookie_name

        a, b = str(response._cookies)[len("Set-Cookie: ") :].split(";")[0].split("=", 1)
        request.cookies[a] = b
        request.cookies = response._cookies
        session.local.data.clear()

        session = Session(secret="b", expiration=10)
        session.on_request()
        self.assertEqual(session.get("key"), None)

        session = Session(secret="a", expiration=10)

import time
import unittest
import uuid

import mechanize

from py4web import action, DAL, Field, Session, Cache
from py4web.core import bottle, request, error404

os.environ["PY4WEB_APPS_FOLDER"] = os.path.sep.join(
    os.path.normpath(__file__).split(os.path.sep)[:-2]
)

db = DAL("sqlite://storage_%s" % uuid.uuid4(), folder="/tmp/")
db.define_table("thing", Field("name"))
session = Session(secret="my secret")
cache = Cache()

action.app_name = "tests"


@action("index")
@cache.memoize(expiration=1)
@action.uses(db, session)
@action.requires(lambda: True)
def index():
    db.thing.insert(name="test")
    session["number"] = session.get("number", 0) + 1
    return "ok %s %s" % (session["number"], db(db.thing).count())


def run_server():

session.on_request()
            session["key"] = "value"
            session.on_success()
            cookie_name = session.local.session_cookie_name

            a, b = (
                str(response._cookies)[len("Set-Cookie: ") :]
                .split(";")[0]
                .split("=", 1)
            )
            request.cookies[a] = b
            request.cookies = response._cookies
            session.local.data.clear()

            conn = memcache.Client(["127.0.0.1:11211"], debug=0)
            session = Session(expiration=10, storage=conn)
            session.on_request()
            self.assertEqual(session.get("key"), "value")

            request.cookies[a] = "wrong_cookie"
            conn = memcache.Client(["127.0.0.1:11211"], debug=0)
            session = Session(expiration=10, storage=conn)
            session.on_request()
            self.assertEqual(session.get("key"), None)
        finally:
            if memcache_process:
                memcache_process.kill()

def test_session_in_db(self):
        request.app_name = "myapp"
        db = DAL("sqlite:memory")
        session = Session(secret="a", expiration=10, storage=DBStore(db))
        request.cookies.clear()
        session.on_request()
        session["key"] = "value"
        session.on_success()
        cookie_name = session.local.session_cookie_name

        a, b = str(response._cookies)[len("Set-Cookie: ") :].split(";")[0].split("=", 1)
        request.cookies[a] = b
        request.cookies = response._cookies
        session.local.data.clear()

        session = Session(expiration=10, storage=DBStore(db))
        session.on_request()
        self.assertEqual(session.get("key"), "value")

        request.cookies[a] = "wrong_cookie"

def test_session_in_memcache(self):
        try:
            memcache_process = subprocess.Popen(["memcached", "-p", "11211"])
            time.sleep(1)
            request.app_name = "myapp"
            conn = memcache.Client(["127.0.0.1:11211"], debug=0)
            session = Session(secret="a", expiration=10, storage=conn)
            request.cookies.clear()
            session.on_request()
            session["key"] = "value"
            session.on_success()
            cookie_name = session.local.session_cookie_name

            a, b = (
                str(response._cookies)[len("Set-Cookie: ") :]
                .split(";")[0]
                .split("=", 1)
            )
            request.cookies[a] = b
            request.cookies = response._cookies
            session.local.data.clear()

            conn = memcache.Client(["127.0.0.1:11211"], debug=0)

def test_session(self):
        request.app_name = "myapp"
        session = Session(secret="a", expiration=10)
        session.on_request()
        session["key"] = "value"
        session.on_success()
        cookie_name = session.local.session_cookie_name

        a, b = str(response._cookies)[len("Set-Cookie: ") :].split(";")[0].split("=", 1)
        request.cookies[a] = b
        request.cookies = response._cookies
        session.local.data.clear()

        session = Session(secret="b", expiration=10)
        session.on_request()
        self.assertEqual(session.get("key"), None)

        session = Session(secret="a", expiration=10)
        session.on_request()

session = Session(secret="a", expiration=10)
        session.on_request()
        session["key"] = "value"
        session.on_success()
        cookie_name = session.local.session_cookie_name

        a, b = str(response._cookies)[len("Set-Cookie: ") :].split(";")[0].split("=", 1)
        request.cookies[a] = b
        request.cookies = response._cookies
        session.local.data.clear()

        session = Session(secret="b", expiration=10)
        session.on_request()
        self.assertEqual(session.get("key"), None)

        session = Session(secret="a", expiration=10)
        session.on_request()
        self.assertEqual(session.get("key"), "value")

def test_session_in_db(self):
        request.app_name = "myapp"
        db = DAL("sqlite:memory")
        session = Session(secret="a", expiration=10, storage=DBStore(db))
        request.cookies.clear()
        session.on_request()
        session["key"] = "value"
        session.on_success()
        cookie_name = session.local.session_cookie_name

        a, b = str(response._cookies)[len("Set-Cookie: ") :].split(";")[0].split("=", 1)
        request.cookies[a] = b
        request.cookies = response._cookies
        session.local.data.clear()

        session = Session(expiration=10, storage=DBStore(db))
        session.on_request()
        self.assertEqual(session.get("key"), "value")

        request.cookies[a] = "wrong_cookie"
        session = Session(expiration=10, storage=DBStore(db))
        session.on_request()
        self.assertEqual(session.get("key"), None)

import unittest
import uuid

import mechanize

from py4web import action, DAL, Field, Session, Cache
from py4web.core import bottle, request, error404

os.environ["PY4WEB_APPS_FOLDER"] = os.path.sep.join(
    os.path.normpath(__file__).split(os.path.sep)[:-2]
)

db = DAL("sqlite://storage_%s" % uuid.uuid4(), folder="/tmp/")
db.define_table("thing", Field("name"))
session = Session(secret="my secret")
cache = Cache()

action.app_name = "tests"


@action("index")
@cache.memoize(expiration=1)
@action.uses(db, session)
@action.requires(lambda: True)
def index():
    db.thing.insert(name="test")
    session["number"] = session.get("number", 0) + 1
    return "ok %s %s" % (session["number"], db(db.thing).count())


def run_server():
    bottle.run(host="localhost", port=8001)