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45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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flask.globals
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~~~~~~~~~~~~~
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Defines all the global objects that are proxies to the current
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active context.
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:copyright: (c) 2011 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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from functools import partial
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from werkzeug.local import LocalStack, LocalProxy
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def _lookup_req_object(name):
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top = _request_ctx_stack.top
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if top is None:
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raise RuntimeError('working outside of request context')
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return getattr(top, name)
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def _lookup_app_object(name):
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top = _app_ctx_stack.top
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if top is None:
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raise RuntimeError('working outside of application context')
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return getattr(top, name)
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def _find_app():
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top = _app_ctx_stack.top
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if top is None:
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raise RuntimeError('working outside of application context')
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return top.app
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# context locals
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_request_ctx_stack = LocalStack()
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_app_ctx_stack = LocalStack()
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current_app = LocalProxy(_find_app)
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request = LocalProxy(partial(_lookup_req_object, 'request'))
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session = LocalProxy(partial(_lookup_req_object, 'session'))
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g = LocalProxy(partial(_lookup_app_object, 'g'))
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