VisEvol: Visual Analytics to Support Hyperparameter Search through Evolutionary Optimization
https://doi.org/10.1111/cgf.14300
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220 lines
5.8 KiB
220 lines
5.8 KiB
# -*- coding: utf-8 -*-
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"""
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werkzeug.useragents
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~~~~~~~~~~~~~~~~~~~
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This module provides a helper to inspect user agent strings. This module
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is far from complete but should work for most of the currently available
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browsers.
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:copyright: 2007 Pallets
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:license: BSD-3-Clause
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"""
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import re
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import warnings
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class UserAgentParser(object):
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"""A simple user agent parser. Used by the `UserAgent`."""
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platforms = (
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("cros", "chromeos"),
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("iphone|ios", "iphone"),
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("ipad", "ipad"),
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(r"darwin|mac|os\s*x", "macos"),
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("win", "windows"),
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(r"android", "android"),
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("netbsd", "netbsd"),
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("openbsd", "openbsd"),
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("freebsd", "freebsd"),
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("dragonfly", "dragonflybsd"),
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("(sun|i86)os", "solaris"),
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(r"x11|lin(\b|ux)?", "linux"),
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(r"nintendo\s+wii", "wii"),
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("irix", "irix"),
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("hp-?ux", "hpux"),
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("aix", "aix"),
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("sco|unix_sv", "sco"),
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("bsd", "bsd"),
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("amiga", "amiga"),
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("blackberry|playbook", "blackberry"),
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("symbian", "symbian"),
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)
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browsers = (
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("googlebot", "google"),
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("msnbot", "msn"),
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("yahoo", "yahoo"),
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("ask jeeves", "ask"),
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(r"aol|america\s+online\s+browser", "aol"),
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("opera", "opera"),
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("edge", "edge"),
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("chrome|crios", "chrome"),
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("seamonkey", "seamonkey"),
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("firefox|firebird|phoenix|iceweasel", "firefox"),
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("galeon", "galeon"),
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("safari|version", "safari"),
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("webkit", "webkit"),
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("camino", "camino"),
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("konqueror", "konqueror"),
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("k-meleon", "kmeleon"),
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("netscape", "netscape"),
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(r"msie|microsoft\s+internet\s+explorer|trident/.+? rv:", "msie"),
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("lynx", "lynx"),
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("links", "links"),
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("Baiduspider", "baidu"),
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("bingbot", "bing"),
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("mozilla", "mozilla"),
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)
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_browser_version_re = r"(?:%s)[/\sa-z(]*(\d+[.\da-z]+)?"
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_language_re = re.compile(
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r"(?:;\s*|\s+)(\b\w{2}\b(?:-\b\w{2}\b)?)\s*;|"
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r"(?:\(|\[|;)\s*(\b\w{2}\b(?:-\b\w{2}\b)?)\s*(?:\]|\)|;)"
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)
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def __init__(self):
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self.platforms = [(b, re.compile(a, re.I)) for a, b in self.platforms]
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self.browsers = [
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(b, re.compile(self._browser_version_re % a, re.I))
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for a, b in self.browsers
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]
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def __call__(self, user_agent):
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for platform, regex in self.platforms: # noqa: B007
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match = regex.search(user_agent)
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if match is not None:
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break
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else:
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platform = None
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for browser, regex in self.browsers: # noqa: B007
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match = regex.search(user_agent)
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if match is not None:
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version = match.group(1)
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break
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else:
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browser = version = None
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match = self._language_re.search(user_agent)
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if match is not None:
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language = match.group(1) or match.group(2)
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else:
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language = None
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return platform, browser, version, language
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class UserAgent(object):
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"""Represents a user agent. Pass it a WSGI environment or a user agent
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string and you can inspect some of the details from the user agent
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string via the attributes. The following attributes exist:
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.. attribute:: string
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the raw user agent string
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.. attribute:: platform
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the browser platform. The following platforms are currently
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recognized:
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- `aix`
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- `amiga`
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- `android`
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- `blackberry`
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- `bsd`
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- `chromeos`
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- `dragonflybsd`
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- `freebsd`
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- `hpux`
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- `ipad`
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- `iphone`
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- `irix`
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- `linux`
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- `macos`
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- `netbsd`
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- `openbsd`
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- `sco`
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- `solaris`
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- `symbian`
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- `wii`
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- `windows`
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.. attribute:: browser
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the name of the browser. The following browsers are currently
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recognized:
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- `aol` *
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- `ask` *
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- `baidu` *
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- `bing` *
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- `camino`
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- `chrome`
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- `edge`
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- `firefox`
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- `galeon`
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- `google` *
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- `kmeleon`
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- `konqueror`
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- `links`
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- `lynx`
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- `mozilla`
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- `msie`
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- `msn`
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- `netscape`
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- `opera`
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- `safari`
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- `seamonkey`
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- `webkit`
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- `yahoo` *
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(Browsers marked with a star (``*``) are crawlers.)
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.. attribute:: version
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the version of the browser
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.. attribute:: language
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the language of the browser
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"""
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_parser = UserAgentParser()
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def __init__(self, environ_or_string):
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if isinstance(environ_or_string, dict):
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environ_or_string = environ_or_string.get("HTTP_USER_AGENT", "")
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self.string = environ_or_string
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self.platform, self.browser, self.version, self.language = self._parser(
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environ_or_string
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)
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def to_header(self):
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return self.string
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def __str__(self):
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return self.string
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def __nonzero__(self):
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return bool(self.browser)
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__bool__ = __nonzero__
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def __repr__(self):
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return "<%s %r/%s>" % (self.__class__.__name__, self.browser, self.version)
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# DEPRECATED
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from .wrappers import UserAgentMixin as _UserAgentMixin
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class UserAgentMixin(_UserAgentMixin):
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@property
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def user_agent(self, *args, **kwargs):
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warnings.warn(
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"'werkzeug.useragents.UserAgentMixin' should be imported"
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" from 'werkzeug.wrappers.UserAgentMixin'. This old import"
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" will be removed in version 1.0.",
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DeprecationWarning,
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stacklevel=2,
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)
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return super(_UserAgentMixin, self).user_agent
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