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"""
XPath selectors
Two backends are currently available: libxml2 and lxml
To select the backend explicitly use the SELECTORS_BACKEND variable in your
project. Otherwise, libxml2 will be tried first. If libxml2 is not available,
lxml will be used.
"""
from scrapy.conf import settings
if settings['SELECTORS_BACKEND'] == 'lxml':
from scrapy.selector.lxmlsel import *
elif settings['SELECTORS_BACKEND'] == 'libxml2':
from scrapy.selector.libxml2sel import *
elif settings['SELECTORS_BACKEND'] == 'dummy':
from scrapy.selector.dummysel import *
else:
try:
import libxml2
except ImportError:
try:
import lxml
except ImportError:
from scrapy.selector.dummysel import *
else:
from scrapy.selector.lxmlsel import *
else:
from scrapy.selector.libxml2sel import *
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