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ResourceAccessor: Only list the handlers once.

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This commit is contained in:
Mike Auty
2019-11-20 20:04:14 +00:00
committed by ikelos
parent 249c3ec223
commit d7b996ff85
1 changed files with 6 additions and 2 deletions
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volatility/framework/layers/resources.py
+6 -2
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@@ -40,6 +40,8 @@ class ResourceAccessor(object):
"""Object for openning URLs as files (downloading locally first if
necessary)"""
list_handlers = True
def __init__(self,
progress_callback: Optional[constants.ProgressCallback] = None,
context: Optional[ssl.SSLContext] = None) -> None:
@@ -50,8 +52,10 @@ class ResourceAccessor(object):
self._progress_callback = progress_callback
self._context = context
self._handlers = list(framework.class_subclasses(urllib.request.BaseHandler))
vollog.log(constants.LOGLEVEL_VVV,
"Available URL handlers: {}".format(", ".join([x.__name__ for x in self._handlers])))
if self.list_handlers:
vollog.log(constants.LOGLEVEL_VVV,
"Available URL handlers: {}".format(", ".join([x.__name__ for x in self._handlers])))
self.__class__.list_handlers = False
def open(self, url, mode = "rb"):
"""Returns a file-like object for a particular URL opened in mode."""