/usr/lib/python2.7/dist-packages/scrapy/loader/common.py is in python-scrapy 1.0.3-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 | """Common functions used in Item Loaders code"""
from functools import partial
from scrapy.utils.python import get_func_args
def wrap_loader_context(function, context):
"""Wrap functions that receive loader_context to contain the context
"pre-loaded" and expose a interface that receives only one argument
"""
if 'loader_context' in get_func_args(function):
return partial(function, loader_context=context)
else:
return function
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