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Dont use pickle to pass temp dir to worker processes

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Kovid Goyal 2019-03-15 14:59:33 +05:30
parent 7e670497eb
commit 74497a4ff8
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 12 additions and 12 deletions
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7
src/calibre/ptempfile.py
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@ -105,10 +105,11 @@ def base_dir():
if _base_dir is None:
td = os.environ.get('CALIBRE_WORKER_TEMP_DIR', None)
if td is not None:
import cPickle, binascii
import binascii
from calibre.utils.serialize import msgpack_loads
try:
td = cPickle.loads(binascii.unhexlify(td))
except:
td = msgpack_loads(binascii.unhexlify(td))
except Exception:
td = None
if td and os.path.exists(td):
_base_dir = td

17
src/calibre/utils/ipc/launch.py
View File

@ -6,12 +6,13 @@ __license__ = 'GPL v3'
__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import subprocess, os, sys, time, binascii, cPickle
import subprocess, os, sys, time, binascii
from functools import partial
from calibre.constants import iswindows, isosx, isfrozen, filesystem_encoding
from calibre.utils.config import prefs
from calibre.ptempfile import PersistentTemporaryFile, base_dir
from calibre.utils.serialize import msgpack_dumps
from polyglot.builtins import unicode_type, string_or_bytes
if iswindows:
@ -104,9 +105,9 @@ class Worker(object):
env[key] = val
except:
pass
env[b'CALIBRE_WORKER'] = b'1'
td = binascii.hexlify(cPickle.dumps(base_dir()))
env[b'CALIBRE_WORKER_TEMP_DIR'] = bytes(td)
env[str('CALIBRE_WORKER')] = str('1')
td = binascii.hexlify(msgpack_dumps(base_dir())).decode('ascii')
env[b'CALIBRE_WORKER_TEMP_DIR'] = str(td)
env.update(self._env)
return env
@ -176,13 +177,11 @@ class Worker(object):
exe = self.gui_executable if self.gui else self.executable
env = self.env
try:
env[b'ORIGWD'] = binascii.hexlify(cPickle.dumps(
cwd or os.path.abspath(os.getcwdu())))
origwd = cwd or os.path.abspath(os.getcwdu())
except EnvironmentError:
# cwd no longer exists
env[b'ORIGWD'] = binascii.hexlify(cPickle.dumps(
cwd or os.path.expanduser(u'~')))
origwd = cwd or os.path.expanduser(u'~')
env[str('ORIGWD')] = binascii.hexlify(msgpack_dumps(origwd))
_cwd = cwd
if priority is None:
priority = prefs['worker_process_priority']