handlers.py
1.13 KB
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from gzip import GzipFile
from StringIO import StringIO
import urllib2
class UserAgentProcessor(urllib2.BaseHandler):
"""A handler to add a custom UA string to urllib2 requests
"""
def __init__(self, uastring):
self.handler_order = 100
self.ua = uastring
def http_request(self, request):
request.add_header("User-Agent", self.ua)
return request
https_request = http_request
class GZipProcessor(urllib2.BaseHandler):
"""
A handler to add gzip capabilities to urllib2 requests
http://techknack.net/python-urllib2-handlers/
"""
def http_request(self, req):
req.add_header("Accept-Encoding", "gzip")
return req
https_request = http_request
def http_response(self, req, resp):
if resp.headers.get("content-encoding") == "gzip":
gz = GzipFile(
fileobj=StringIO(resp.read()),
mode="r"
)
old_resp = resp
resp = urllib2.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
return resp
https_response = http_response