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Merge pull request #523 from dangra/warn-xpathitemloader-subclass 

warn on XPathItemLoader subclassing
This commit is contained in:
Pablo Hoffman 2014-01-14 20:58:07 -08:00
parent b377d4c28c 72ff7a48e3
commit 622ffd84d0
1 changed files with 2 additions and 8 deletions
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10
scrapy/contrib/loader/__init__.py
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@ -12,6 +12,7 @@ from scrapy.selector import Selector
from scrapy.utils.misc import arg_to_iter, extract_regex
from scrapy.utils.python import flatten
from scrapy.utils.decorator import deprecated
from scrapy.utils.deprecate import create_deprecated_class
from .common import wrap_loader_context
from .processor import Identity
@ -166,11 +167,4 @@ class ItemLoader(object):
return flatten([self.selector.css(css).extract() for css in csss])
class XPathItemLoader(ItemLoader):
def __init__(self, *a, **kw):
import warnings
from scrapy.exceptions import ScrapyDeprecationWarning
warnings.warn('%s is deprecated, instantiate scrapy.contrib.loader.ItemLoader '
'instead' % type(self).__name__,
category=ScrapyDeprecationWarning, stacklevel=1)
super(XPathItemLoader, self).__init__(*a, **kw)
XPathItemLoader = create_deprecated_class('XPathItemLoader', ItemLoader)