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Code Releases Wiki Activity

some refactoring to Settings class

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This commit is contained in:
Pablo Hoffman 2009-08-27 14:08:48 -03:00
parent 78481bf4d3
commit 90e6aefb4d
1 changed files with 9 additions and 10 deletions
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19
scrapy/conf/__init__.py
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@ -7,25 +7,24 @@ See documentation in docs/topics/settings.rst
import os
import cPickle as pickle
SETTINGS_DISABLED = os.environ.get('SCRAPY_SETTINGS_DISABLED', False)
import_ = lambda x: __import__(x, {}, {}, [''])
class Settings(object):
# settings in precedence order
overrides = None
settings_module = None
defaults = None
global_defaults = None
default_settings_module = 'scrapy.conf.default_settings'
def __init__(self):
self.set_settings_module()
self.defaults = {}
self.global_defaults = import_(self.default_settings_module)
self.disabled = os.environ.get('SCRAPY_SETTINGS_DISABLED', False)
# XXX: find a better solution for this hack
pickled_settings = os.environ.get("SCRAPY_PICKLED_SETTINGS_TO_OVERRIDE")
self.overrides = pickle.loads(pickled_settings) if pickled_settings else {}
self.defaults = {}
self.global_defaults = __import__('scrapy.conf.default_settings', {}, {}, [''])
def __getitem__(self, opt_name):
if not SETTINGS_DISABLED:
if not self.disabled:
if opt_name in self.overrides:
return self.overrides[opt_name]
if 'SCRAPY_' + opt_name in os.environ:
@ -42,7 +41,7 @@ class Settings(object):
'scrapy_settings')
self.settings_module_path = settings_module_path
try:
self.settings_module = __import__(settings_module_path, {}, {}, [''])
self.settings_module = import_(settings_module_path)
except ImportError:
self.settings_module = None