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Add after_update argument to prevent infinite recursion

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Just in case.
This commit is contained in:
ZyX 2014-02-23 15:37:13 +04:00
parent e1eecea36d
commit c08346000b
1 changed files with 12 additions and 2 deletions
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14
powerline/lib/threaded.py
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@ -157,7 +157,7 @@ class KwThreadedSegment(ThreadedSegment):
def key(**kwargs): def key(**kwargs):
return frozenset(kwargs.items()) return frozenset(kwargs.items())
def render(self, update_value, update_first, key=None, **kwargs): def render(self, update_value, update_first, key=None, after_update=False, **kwargs):
queries, crashed = update_value queries, crashed = update_value
if key is None: if key is None:
key = self.key(**kwargs) key = self.key(**kwargs)
@ -170,7 +170,17 @@ class KwThreadedSegment(ThreadedSegment):
with self.write_lock: with self.write_lock:
self.new_queries.append(key) self.new_queries.append(key)
if self.do_update_first or self.run_once: if self.do_update_first or self.run_once:
return self.render(update_value=self.get_update_value(True), update_first=False, key=key, **kwargs) if after_update:
self.error('internal error: value was not computed even though update_first was set')
update_state = None
else:
return self.render(
update_value=self.get_update_value(True),
update_first=False,
key=key,
after_update=True,
**kwargs
)
else: else:
update_state = None update_state = None