(scrapy) use a custom html string as new response body

replace_response.py

from scrapy.http import HtmlResponse

def parse(self, response):
	body = cc_stripped(response.body) # modifyor get new response.body
	
	response = HtmlResponse(response.url,
		encoding='utf-8',
		body=body.decode('utf-8'),
	)
	
	sel = Selector(response)
	
	[...]