mirror of https://github.com/scrapy/scrapy.git
40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
"""
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This module contains the ExtensionManager which takes care of loading and
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keeping track of all enabled extensions. It also contains an instantiated
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ExtensionManager (extensions) to be used as singleton.
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"""
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from scrapy.core.exceptions import NotConfigured
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from scrapy.utils.misc import load_object
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from scrapy import log
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from scrapy.conf import settings
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class ExtensionManager(object):
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def __init__(self):
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self.loaded = False
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self.enabled = {}
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self.disabled = {}
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def load(self):
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"""
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Load enabled extensions in settings module
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"""
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self.loaded = False
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self.enabled.clear()
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self.disabled.clear()
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for extension_path in settings.getlist('EXTENSIONS'):
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try:
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cls = load_object(extension_path)
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self.enabled[cls.__name__] = cls()
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except NotConfigured, e:
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self.disabled[cls.__name__] = extension_path
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if e.args:
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log.msg(e)
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self.loaded = True
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def reload(self):
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self.load()
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extensions = ExtensionManager()
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