FeatureEnVi: Visual Analytics for Feature Engineering Using Stepwise Selection and Semi-Automatic Extraction Approaches
https://doi.org/10.1109/TVCG.2022.3141040
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62 lines
1.6 KiB
62 lines
1.6 KiB
4 years ago
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# -*- 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: © 2010 by the Pallets team.
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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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_request_ctx_err_msg = '''\
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Working outside of request context.
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This typically means that you attempted to use functionality that needed
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an active HTTP request. Consult the documentation on testing for
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information about how to avoid this problem.\
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'''
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_app_ctx_err_msg = '''\
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Working outside of application context.
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This typically means that you attempted to use functionality that needed
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to interface with the current application object in some way. To solve
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this, set up an application context with app.app_context(). See the
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documentation for more information.\
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'''
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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(_request_ctx_err_msg)
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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(_app_ctx_err_msg)
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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(_app_ctx_err_msg)
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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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