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Log remaining referrers to a module when it's unloaded

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This commit is contained in:
jesopo 2018-09-30 20:12:28 +01:00
parent 43740d40f4
commit 416d744291
1 changed files with 5 additions and 1 deletions
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6
src/ModuleManager.py
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@ -1,4 +1,4 @@
import glob, imp, io, inspect, os, sys, uuid import gc, glob, imp, io, inspect, os, sys, uuid
from src import Utils from src import Utils
BITBOT_HOOKS_MAGIC = "__bitbot_hooks" BITBOT_HOOKS_MAGIC = "__bitbot_hooks"
@ -142,9 +142,13 @@ class ModuleManager(object):
del sys.modules[self._import_name(name)] del sys.modules[self._import_name(name)]
references = sys.getrefcount(module) references = sys.getrefcount(module)
referrers = gc.get_referrers(module)
del module del module
references -= 1 # 'del module' removes one reference references -= 1 # 'del module' removes one reference
references -= 1 # one of the refs is from getrefcount references -= 1 # one of the refs is from getrefcount
self.log.info("Module '%s' unloaded (%d reference%s)", self.log.info("Module '%s' unloaded (%d reference%s)",
[name, references, "" if references == 1 else "s"]) [name, references, "" if references == 1 else "s"])
if references > 0:
self.log.info("References left for '%s': %s",
[name, ", ".join([str(referrer) for referrer in referrers])])