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setup: allow an older version of pycryptopp if we are not on x86 or amd64 architecture (which are the architectures on which older versions of Crypto++ had bugs in asm implementations of AES and SHA-256)

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This commit is contained in:
Zooko O'Whielacronx 2010-09-21 07:03:44 -07:00
parent aa19424c9f
commit cb8ab03ede
1 changed files with 11 additions and 4 deletions
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15
_auto_deps.py
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@ -17,10 +17,6 @@ install_requires=[
"foolscap[secure_connections] >= 0.5.1",
"Nevow >= 0.6.0",
# pycryptopp v0.5.20 fixes bugs in SHA-256 and AES (from Crypto++
# revisions 470, 471, 480, 492).
"pycryptopp >= 0.5.20",
# Needed for SFTP. pyasn1 is needed by twisted.conch in Twisted >= 9.0.
# pycrypto 2.2 doesn't work due to https://bugs.launchpad.net/pycrypto/+bug/620253
"pycrypto == 2.0.1, == 2.1, >= 2.3",
@ -30,6 +26,17 @@ install_requires=[
#"windmill >= 1.3",
]
import platform
if platform.machine().lower() in ['i386', 'x86_64', 'amd64', '']:
# pycryptopp v0.5.20 fixes bugs in SHA-256 and AES on x86 or amd64
# (from Crypto++ revisions 470, 471, 480, 492). The '' is there
# in case platform.machine is broken and this is actually an x86
# or amd64 machine.
install_requires.append("pycryptopp >= 0.5.20")
else:
install_requires.append("pycryptopp >= 0.5")
# Sqlite comes built into Python >= 2.5, and is provided by the "pysqlite"
# distribution for Python 2.4.
import sys