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Update lzma import to include calibre >= 4.6.0

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This commit is contained in:
Carson Gaspar 2020-01-04 05:20:16 -08:00
parent b71ed3887e
commit fc6f830088
1 changed files with 12 additions and 7 deletions
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19
dedrm_src/ion.py
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@ -21,19 +21,24 @@ from Crypto.Cipher import AES
from Crypto.Util.py3compat import bchr, bord from Crypto.Util.py3compat import bchr, bord
try: try:
# lzma library from calibre 2.35.0 or later # lzma library from calibre 4.6.0 or later
import lzma.lzma1 as calibre_lzma import calibre_lzma.lzma1 as calibre_lzma
except ImportError: except ImportError:
calibre_lzma = None calibre_lzma = None
# lzma library from calibre 2.35.0 or later
try: try:
import lzma import lzma.lzma1 as calibre_lzma
except ImportError: except ImportError:
# Need pip backports.lzma on Python <3.3 calibre_lzma = None
try: try:
from backports import lzma import lzma
except ImportError: except ImportError:
# Windows-friendly choice: pylzma wheels # Need pip backports.lzma on Python <3.3
import pylzma as lzma try:
from backports import lzma
except ImportError:
# Windows-friendly choice: pylzma wheels
import pylzma as lzma
TID_NULL = 0 TID_NULL = 0