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bazarr/libs/subzero/lib/rar.py

40 lines
1.1 KiB

# coding=utf-8
from __future__ import absolute_import
import logging
import rarfile
log = logging.getLogger(__name__)
class RarFile(rarfile.RarFile):
def read(self, fname, psw=None):
"""
read specific content of rarfile without parsing
:param fname:
:param psw:
:return:
"""
exe = None
try:
rarfile.tool_setup(unrar=False, unar=True, bsdtar=False, force=True)
except rarfile.RarCannotExec:
try:
rarfile.rarfile.tool_setup(unrar=True, unar=False, bsdtar=False, force=True)
except rarfile.RarCannotExec:
raise rarfile.RarCannotExec
else:
exe = rarfile.UNRAR_TOOL
else:
exe = rarfile.UNAR_TOOL
finally:
cmd = [exe] + list(rarfile.ORIG_OPEN_ARGS)
with rarfile.XTempFile(self._rarfile) as rf:
log.debug(u"RAR CMD: %s", cmd + [rf, fname])
p = rarfile.custom_popen(cmd + [rf, fname])
output = p.communicate()[0]
rarfile.check_returncode(p, output)
return output