308 lines
8.5 KiB
Python
Executable File
308 lines
8.5 KiB
Python
Executable File
# Licensed to the Software Freedom Conservancy (SFC) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The SFC licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""The Proxy implementation."""
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class ProxyTypeFactory:
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"""Factory for proxy types."""
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@staticmethod
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def make(ff_value, string):
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return {"ff_value": ff_value, "string": string}
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class ProxyType:
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"""Set of possible types of proxy.
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Each proxy type has 2 properties: 'ff_value' is value of Firefox
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profile preference, 'string' is id of proxy type.
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"""
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DIRECT = ProxyTypeFactory.make(0, "DIRECT") # Direct connection, no proxy (default on Windows).
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MANUAL = ProxyTypeFactory.make(1, "MANUAL") # Manual proxy settings (e.g., for httpProxy).
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PAC = ProxyTypeFactory.make(2, "PAC") # Proxy autoconfiguration from URL.
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RESERVED_1 = ProxyTypeFactory.make(3, "RESERVED1") # Never used.
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AUTODETECT = ProxyTypeFactory.make(4, "AUTODETECT") # Proxy autodetection (presumably with WPAD).
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SYSTEM = ProxyTypeFactory.make(5, "SYSTEM") # Use system settings (default on Linux).
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UNSPECIFIED = ProxyTypeFactory.make(6, "UNSPECIFIED") # Not initialized (for internal use).
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@classmethod
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def load(cls, value):
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if isinstance(value, dict) and "string" in value:
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value = value["string"]
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value = str(value).upper()
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for attr in dir(cls):
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attr_value = getattr(cls, attr)
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if isinstance(attr_value, dict) and "string" in attr_value and attr_value["string"] == value:
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return attr_value
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raise Exception(f"No proxy type is found for {value}")
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class _ProxyTypeDescriptor:
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def __init__(self, name, p_type):
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self.name = name
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self.p_type = p_type
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def __get__(self, obj, cls):
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return getattr(obj, self.name)
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def __set__(self, obj, value):
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if self.name == "autodetect" and not isinstance(value, bool):
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raise ValueError("Autodetect proxy value needs to be a boolean")
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getattr(obj, "_verify_proxy_type_compatibility")(self.p_type)
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setattr(obj, "proxyType", self.p_type)
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setattr(obj, self.name, value)
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class Proxy:
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"""Proxy contains information about proxy type and necessary proxy
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settings."""
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proxyType = ProxyType.UNSPECIFIED
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autodetect = False
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ftpProxy = ""
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httpProxy = ""
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noProxy = ""
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proxyAutoconfigUrl = ""
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sslProxy = ""
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socksProxy = ""
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socksUsername = ""
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socksPassword = ""
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socksVersion = None
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# create descriptor type objects
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auto_detect = _ProxyTypeDescriptor("autodetect", ProxyType.AUTODETECT)
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"""Gets and Sets `auto_detect`
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Usage
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-----
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- Get
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- `self.auto_detect`
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- Set
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- `self.auto_detect` = `value`
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Parameters
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----------
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`value`: `str`
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"""
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ftp_proxy = _ProxyTypeDescriptor("ftpProxy", ProxyType.MANUAL)
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"""Gets and Sets `ftp_proxy`
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Usage
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-----
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- Get
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- `self.ftp_proxy`
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- Set
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- `self.ftp_proxy` = `value`
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Parameters
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----------
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`value`: `str`
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"""
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http_proxy = _ProxyTypeDescriptor("httpProxy", ProxyType.MANUAL)
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"""Gets and Sets `http_proxy`
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Usage
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-----
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- Get
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- `self.http_proxy`
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- Set
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- `self.http_proxy` = `value`
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Parameters
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----------
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`value`: `str`
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"""
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no_proxy = _ProxyTypeDescriptor("noProxy", ProxyType.MANUAL)
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"""Gets and Sets `no_proxy`
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Usage
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-----
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- Get
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- `self.no_proxy`
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- Set
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- `self.no_proxy` = `value`
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Parameters
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----------
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`value`: `str`
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"""
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proxy_autoconfig_url = _ProxyTypeDescriptor("proxyAutoconfigUrl", ProxyType.PAC)
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"""Gets and Sets `proxy_autoconfig_url`
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Usage
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-----
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- Get
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- `self.proxy_autoconfig_url`
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- Set
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- `self.proxy_autoconfig_url` = `value`
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Parameter
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---------
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`value`: `str`
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"""
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ssl_proxy = _ProxyTypeDescriptor("sslProxy", ProxyType.MANUAL)
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"""Gets and Sets `ssl_proxy`
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Usage
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-----
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- Get
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- `self.ssl_proxy`
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- Set
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- `self.ssl_proxy` = `value`
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Parameter
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---------
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`value`: `str`
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"""
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socks_proxy = _ProxyTypeDescriptor("socksProxy", ProxyType.MANUAL)
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"""Gets and Sets `socks_proxy`
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Usage
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-----
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- Get
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- `self.sock_proxy`
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- Set
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- `self.socks_proxy` = `value`
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Parameter
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---------
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`value`: `str`
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"""
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socks_username = _ProxyTypeDescriptor("socksUsername", ProxyType.MANUAL)
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"""Gets and Sets `socks_password`
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Usage
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-----
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- Get
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- `self.socks_password`
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- Set
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- `self.socks_password` = `value`
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Parameter
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---------
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`value`: `str`
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"""
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socks_password = _ProxyTypeDescriptor("socksPassword", ProxyType.MANUAL)
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"""Gets and Sets `socks_password`
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Usage
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-----
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- Get
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- `self.socks_password`
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- Set
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- `self.socks_password` = `value`
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Parameter
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---------
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`value`: `str`
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"""
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socks_version = _ProxyTypeDescriptor("socksVersion", ProxyType.MANUAL)
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"""Gets and Sets `socks_version`
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Usage
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-----
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- Get
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- `self.socks_version`
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- Set
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- `self.socks_version` = `value`
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Parameter
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---------
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`value`: `str`
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"""
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def __init__(self, raw=None):
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"""Creates a new Proxy.
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:Args:
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- raw: raw proxy data. If None, default class values are used.
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"""
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if raw:
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if "proxyType" in raw and raw["proxyType"]:
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self.proxy_type = ProxyType.load(raw["proxyType"])
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if "ftpProxy" in raw and raw["ftpProxy"]:
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self.ftp_proxy = raw["ftpProxy"]
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if "httpProxy" in raw and raw["httpProxy"]:
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self.http_proxy = raw["httpProxy"]
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if "noProxy" in raw and raw["noProxy"]:
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self.no_proxy = raw["noProxy"]
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if "proxyAutoconfigUrl" in raw and raw["proxyAutoconfigUrl"]:
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self.proxy_autoconfig_url = raw["proxyAutoconfigUrl"]
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if "sslProxy" in raw and raw["sslProxy"]:
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self.sslProxy = raw["sslProxy"]
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if "autodetect" in raw and raw["autodetect"]:
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self.auto_detect = raw["autodetect"]
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if "socksProxy" in raw and raw["socksProxy"]:
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self.socks_proxy = raw["socksProxy"]
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if "socksUsername" in raw and raw["socksUsername"]:
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self.socks_username = raw["socksUsername"]
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if "socksPassword" in raw and raw["socksPassword"]:
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self.socks_password = raw["socksPassword"]
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if "socksVersion" in raw and raw["socksVersion"]:
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self.socks_version = raw["socksVersion"]
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@property
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def proxy_type(self):
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"""Returns proxy type as `ProxyType`."""
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return self.proxyType
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@proxy_type.setter
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def proxy_type(self, value) -> None:
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"""Sets proxy type.
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:Args:
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- value: The proxy type.
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"""
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self._verify_proxy_type_compatibility(value)
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self.proxyType = value
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def _verify_proxy_type_compatibility(self, compatible_proxy):
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if self.proxyType not in (ProxyType.UNSPECIFIED, compatible_proxy):
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raise ValueError(
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f"Specified proxy type ({compatible_proxy}) not compatible with current setting ({self.proxyType})"
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)
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def to_capabilities(self):
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proxy_caps = {"proxyType": self.proxyType["string"].lower()}
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proxies = [
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"autodetect",
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"ftpProxy",
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"httpProxy",
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"proxyAutoconfigUrl",
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"sslProxy",
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"noProxy",
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"socksProxy",
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"socksUsername",
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"socksPassword",
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"socksVersion",
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]
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for proxy in proxies:
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attr_value = getattr(self, proxy)
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if attr_value:
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proxy_caps[proxy] = attr_value
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return proxy_caps
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