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slightly faster and thread safer inference

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This commit is contained in:
Miroslav Stampar
2011-01-16 10:52:42 +00:00
parent fb166e9445
commit 71391874eb
7 changed files with 27 additions and 35 deletions
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21
lib/request/comparison.py
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@@ -22,13 +22,16 @@ from lib.core.settings import CONSTANT_RATIO
from lib.core.settings import DIFF_TOLERANCE
from lib.core.settings import LOWER_RATIO_BOUND
from lib.core.settings import UPPER_RATIO_BOUND
from lib.core.threads import getCurrentThreadData
def comparison(page, getSeqMatcher=False, pageLength=None):
if page is None and pageLength is None:
return None
regExpResults = None
conf.seqMatcher.set_seq1(kb.pageTemplate)
seqMatcher = getCurrentThreadData().seqMatcher
seqMatcher.set_seq1(kb.pageTemplate)
if page:
# String to be excluded before calculating page hash
@@ -66,28 +69,22 @@ def comparison(page, getSeqMatcher=False, pageLength=None):
# Dynamic content lines to be excluded before comparison
if not kb.nullConnection:
page = removeDynamicContent(page)
conf.seqMatcher.set_seq1(removeDynamicContent(kb.pageTemplate))
seqMatcher.set_seq1(removeDynamicContent(kb.pageTemplate))
if not pageLength:
pageLength = len(page)
if kb.locks.seqLock:
kb.locks.seqLock.acquire()
if conf.textOnly:
(conf.seqMatcher.a, page) = map(getFilteredPageContent, (conf.seqMatcher.a, page))
(seqMatcher.a, page) = map(getFilteredPageContent, (seqMatcher.a, page))
if not conf.eRegexp and not conf.eString and kb.nullConnection and pageLength:
ratio = 1. * pageLength / len(conf.seqMatcher.a)
ratio = 1. * pageLength / len(seqMatcher.a)
if ratio > 1.:
ratio = 1. / ratio
else:
conf.seqMatcher.set_seq2(page)
ratio = round(conf.seqMatcher.quick_ratio(), 3)
if kb.locks.seqLock:
kb.locks.seqLock.release()
seqMatcher.set_seq2(page)
ratio = round(seqMatcher.quick_ratio(), 3)
# If the url is stable and we did not set yet the match ratio and the
# current injected value changes the url page content