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Edit Book: Fix the Check Book tool leaking threads

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This commit is contained in:
Kovid Goyal 2014-08-30 11:02:36 +05:30
parent d758d88191
commit b9e7dc6190
1 changed files with 6 additions and 11 deletions
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17
src/calibre/ebooks/oeb/polish/check/base.py
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@ -8,6 +8,7 @@ __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
from multiprocessing.pool import ThreadPool
from functools import partial
from contextlib import closing
from calibre import detect_ncpus as cpu_count
@ -31,13 +32,6 @@ class BaseError(object):
__repr__ = __str__
class Worker(object):
def __init__(self, func):
self.func = func
self.result = None
self.tb = None
def worker(func, args):
try:
result = func(*args)
@ -52,9 +46,10 @@ def run_checkers(func, args_list):
num = cpu_count()
pool = ThreadPool(num)
ans = []
for result, tb in pool.map(partial(worker, func), args_list):
if tb is not None:
raise Exception('Failed to run worker: \n%s' % tb)
ans.extend(result)
with closing(pool):
for result, tb in pool.map(partial(worker, func), args_list):
if tb is not None:
raise Exception('Failed to run worker: \n%s' % tb)
ans.extend(result)
return ans