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import json
from functools import wraps
from datetime import datetime
from flask import current_app, Response
from flask.ext.login import login_user
from flask.ext.principal import (Identity, Permission, RoleNeed,
session_identity_loader, identity_changed)
from web.controllers import UserController
from web.lib.utils import default_handler
admin_role = RoleNeed('admin')
api_role = RoleNeed('api')
admin_permission = Permission(admin_role)
api_permission = Permission(api_role)
def scoped_default_handler():
if admin_permission.can():
role = 'admin'
elif api_permission.can():
role = 'api'
else:
role = 'user'
@wraps(default_handler)
def wrapper(obj):
return default_handler(obj, role=role)
return wrapper
def jsonify(func):
"""Will cast results of func as a result, and try to extract
a status_code for the Response object"""
@wraps(func)
def wrapper(*args, **kwargs):
status_code = 200
result = func(*args, **kwargs)
if isinstance(result, Response):
return result
elif isinstance(result, tuple):
result, status_code = result
return Response(json.dumps(result, default=scoped_default_handler()),
mimetype='application/json', status=status_code)
return wrapper
def login_user_bundle(user):
login_user(user)
identity_changed.send(current_app, identity=Identity(user.id))
session_identity_loader()
UserController(user.id).update(
{'id': user.id}, {'last_seen': datetime.utcnow()})
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