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scrapy/scrapy/__init__.py
2013-08-23 13:03:34 -03:00

51 lines
1.2 KiB
Python

"""
Scrapy - a screen scraping framework written in Python
"""
import pkgutil
__version__ = pkgutil.get_data(__package__, 'VERSION').strip()
version_info = tuple(__version__.split('.')[:3])
import sys, os, warnings
if sys.version_info < (2, 6):
print "Scrapy %s requires Python 2.6 or above" % __version__
sys.exit(1)
# ignore noisy twisted deprecation warnings
warnings.filterwarnings('ignore', category=DeprecationWarning, module='twisted')
# monkey patches to fix external library issues
from scrapy.xlib import urlparse_monkeypatches
# WARNING: optional_features set is deprecated and will be removed soon. Do not use.
optional_features = set()
# TODO: backwards compatibility, remove for Scrapy 0.20
optional_features.add('ssl')
try:
import boto
except ImportError:
pass
else:
optional_features.add('boto')
try:
import libxml2
except ImportError:
pass
else:
optional_features.add('libxml2')
try:
import django
except ImportError:
pass
else:
optional_features.add('django')
from twisted import version as _txv
twisted_version = (_txv.major, _txv.minor, _txv.micro)
if twisted_version >= (11, 1, 0):
optional_features.add('http11')