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Use rmtree with retry when deleting after library move

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Hopefully makes test failures more rare
This commit is contained in:
Kovid Goyal 2020-07-16 09:43:13 +05:30
parent b3a3eace49
commit 873d6080fd
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 12 additions and 10 deletions
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22
src/calibre/db/backend.py
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@ -386,6 +386,16 @@ def set_global_state(backend):
backend.library_id, (), precompiled_user_functions=backend.get_user_template_functions())
def rmtree_with_retry(path, sleep_time=1):
try:
shutil.rmtree(path)
except EnvironmentError as e:
if e.errno == errno.ENOENT and not os.path.exists(path):
return
time.sleep(sleep_time) # In case something has temporarily locked a file
shutil.rmtree(path)
class DB(object):
PATH_LIMIT = 40 if iswindows else 100
@ -1216,15 +1226,7 @@ class DB(object):
def rmtree(self, path):
if self.is_deletable(path):
try:
shutil.rmtree(path)
except EnvironmentError as e:
if e.errno == errno.ENOENT and not os.path.exists(path):
return
import traceback
traceback.print_exc()
time.sleep(1) # In case something has temporarily locked a file
shutil.rmtree(path)
rmtree_with_retry(path)
def construct_path_name(self, book_id, title, author):
'''
@ -1980,7 +1982,7 @@ class DB(object):
self._conn = None
for loc in old_dirs:
try:
shutil.rmtree(loc)
rmtree_with_retry(loc)
except EnvironmentError as e:
if os.path.exists(loc):
prints('Failed to delete:', loc, 'with error:', as_unicode(e))