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regexp_wrapper: return None instead of False when search times out (#1379)

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This allows plugins to detect whether a search timed out or did not match, which are two distinct outcomes.
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James Lu 2019-10-17 12:30:07 -07:00 committed by GitHub
parent 27e7d6a9ac
commit b54d8f8073
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1 changed files with 2 additions and 2 deletions
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src/commands.py
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@ -149,7 +149,7 @@ def process(f, *args, **kwargs):
def regexp_wrapper(s, reobj, timeout, plugin_name, fcn_name):
'''A convenient wrapper to stuff regexp search queries through a subprocess.
This is used because specially-crafted regexps can use exponential time
and hang the bot.'''
def re_bool(s, reobj):
@ -163,7 +163,7 @@ def regexp_wrapper(s, reobj, timeout, plugin_name, fcn_name):
v = process(re_bool, s, reobj, timeout=timeout, pn=plugin_name, cn=fcn_name)
return v
except ProcessTimeoutError:
return False
return None
class UrlSnarfThread(world.SupyThread):
def __init__(self, *args, **kwargs):