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Deprecate scrapy.xlib.tx

This commit is contained in:
nyov 2016-12-02 20:53:06 +00:00
parent 534772f6ea
commit 67cf64edbe
1 changed files with 11 additions and 15 deletions
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26
scrapy/xlib/tx/__init__.py
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@ -1,19 +1,10 @@
from scrapy import twisted_version
if twisted_version > (13, 0, 0):
from twisted.web import client
from twisted.internet import endpoints
if twisted_version >= (11, 1, 0):
from . import client, endpoints
else:
from scrapy.exceptions import NotSupported
class _Mocked(object):
def __init__(self, *args, **kw):
raise NotSupported('HTTP1.1 not supported')
class _Mock(object):
def __getattr__(self, name):
return _Mocked
client = endpoints = _Mock()
from __future__ import absolute_import
import warnings
from scrapy.exceptions import ScrapyDeprecationWarning
from twisted.web import client
from twisted.internet import endpoints
Agent = client.Agent # since < 11.1
ProxyAgent = client.ProxyAgent # since 11.1
@ -21,3 +12,8 @@ ResponseDone = client.ResponseDone # since 11.1
ResponseFailed = client.ResponseFailed # since 11.1
HTTPConnectionPool = client.HTTPConnectionPool # since 12.1
TCP4ClientEndpoint = endpoints.TCP4ClientEndpoint # since 10.1
warnings.warn("Importing from scrapy.xlib.tx is deprecated and will"
" no longer be supported in future Scrapy versions."
" Update your code to import from twisted proper.",
ScrapyDeprecationWarning, stacklevel=2)