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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97 lines
3.6 KiB
97 lines
3.6 KiB
4 years ago
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# Copyright 2014-present MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you
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# may not use this file except in compliance with the License. You
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# may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# permissions and limitations under the License.
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"""A fake SSLContext implementation."""
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try:
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import ssl
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except ImportError:
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pass
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class SSLContext(object):
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"""A fake SSLContext.
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This implements an API similar to ssl.SSLContext from python 3.2
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but does not implement methods or properties that would be
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incompatible with ssl.wrap_socket from python 2.7 < 2.7.9.
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You must pass protocol which must be one of the PROTOCOL_* constants
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defined in the ssl module. ssl.PROTOCOL_SSLv23 is recommended for maximum
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interoperability.
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"""
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__slots__ = ('_cafile', '_certfile',
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'_keyfile', '_protocol', '_verify_mode')
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def __init__(self, protocol):
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self._cafile = None
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self._certfile = None
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self._keyfile = None
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self._protocol = protocol
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self._verify_mode = ssl.CERT_NONE
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@property
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def protocol(self):
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"""The protocol version chosen when constructing the context.
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This attribute is read-only.
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"""
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return self._protocol
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def __get_verify_mode(self):
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"""Whether to try to verify other peers' certificates and how to
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behave if verification fails. This attribute must be one of
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ssl.CERT_NONE, ssl.CERT_OPTIONAL or ssl.CERT_REQUIRED.
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"""
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return self._verify_mode
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def __set_verify_mode(self, value):
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"""Setter for verify_mode."""
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self._verify_mode = value
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verify_mode = property(__get_verify_mode, __set_verify_mode)
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def load_cert_chain(self, certfile, keyfile=None):
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"""Load a private key and the corresponding certificate. The certfile
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string must be the path to a single file in PEM format containing the
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certificate as well as any number of CA certificates needed to
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establish the certificate's authenticity. The keyfile string, if
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present, must point to a file containing the private key. Otherwise
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the private key will be taken from certfile as well.
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"""
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self._certfile = certfile
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self._keyfile = keyfile
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def load_verify_locations(self, cafile=None, dummy=None):
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"""Load a set of "certification authority"(CA) certificates used to
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validate other peers' certificates when `~verify_mode` is other than
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ssl.CERT_NONE.
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"""
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self._cafile = cafile
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def wrap_socket(self, sock, server_side=False,
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do_handshake_on_connect=True,
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suppress_ragged_eofs=True, dummy=None):
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"""Wrap an existing Python socket sock and return an ssl.SSLSocket
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object.
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"""
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return ssl.wrap_socket(sock, keyfile=self._keyfile,
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certfile=self._certfile,
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server_side=server_side,
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cert_reqs=self._verify_mode,
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ssl_version=self._protocol,
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ca_certs=self._cafile,
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do_handshake_on_connect=do_handshake_on_connect,
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suppress_ragged_eofs=suppress_ragged_eofs)
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