liam isaacs yi-ye-zhi-qiu

## scrapy_h2_proxy.py
"""
Download handler for HTTP/2 supporting proxy CONNECT over HTTP/1.

You can use this by configuring it in the spider settings:

    DOWNLOAD_HANDLERS = {
        'https': 'scrapy_h2_proxy.H2DownloadHandler',
    }

Tested with Scrapy 2.5.0.

## header_order_downloader.py
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals

import logging
from collections import OrderedDict
from time import time
from urllib.parse import urldefrag

from scrapy.core.downloader import Downloader
from scrapy.core.downloader.handlers.http11 import HTTP11DownloadHandler, \
	"""
	Download handler for HTTP/2 supporting proxy CONNECT over HTTP/1.

	You can use this by configuring it in the spider settings:

	DOWNLOAD_HANDLERS = {
	'https': 'scrapy_h2_proxy.H2DownloadHandler',
	}

	Tested with Scrapy 2.5.0.
	# -- coding: utf-8 --
	from __future__ import absolute_import, division, unicode_literals

	import logging
	from collections import OrderedDict
	from time import time
	from urllib.parse import urldefrag

	from scrapy.core.downloader import Downloader
	from scrapy.core.downloader.handlers.http11 import HTTP11DownloadHandler, \