mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
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251 lines
10 KiB
Python
251 lines
10 KiB
Python
# Note: please minimize imports in this file. In particular, do not import
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# any module from Tahoe-LAFS or its dependencies, and do not import any
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# modules at all at global level. That includes setuptools and pkg_resources.
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# It is ok to import modules from the Python Standard Library if they are
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# always available, or the import is protected by try...except ImportError.
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# The semantics for requirement specs changed incompatibly in setuptools 8,
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# which now follows PEP 440. The requirements used in this file must be valid
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# under both the old and new semantics. That can be achieved by limiting
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# requirement specs to one of the following forms:
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#
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# * >= X, <= Y where X < Y
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# * >= X, != Y, != Z, ... where X < Y < Z...
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#
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# (In addition, check_requirement in allmydata/__init__.py only supports
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# >=, <= and != operators.)
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install_requires = [
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# We require newer versions of setuptools (actually
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# zetuptoolz) to build, but can handle older versions to run.
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"setuptools >= 0.6c6",
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"zfec >= 1.1.0",
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# Feisty has simplejson 1.4
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"simplejson >= 1.4",
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# zope.interface >= 3.6.0 is required for Twisted >= 12.1.0.
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# zope.interface 3.6.3 and 3.6.4 are incompatible with Nevow (#1435).
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"zope.interface >= 3.6.0, != 3.6.3, != 3.6.4",
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# * foolscap < 0.5.1 had a performance bug which spent O(N**2) CPU for
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# transferring large mutable files of size N.
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# * foolscap < 0.6 is incompatible with Twisted 10.2.0.
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# * foolscap 0.6.1 quiets a DeprecationWarning.
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# * foolscap < 0.6.3 is incompatible with Twisted 11.1.0 and newer.
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# * foolscap 0.8.0 generates 2048-bit RSA-with-SHA-256 signatures,
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# rather than 1024-bit RSA-with-MD5. This also allows us to work
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# with a FIPS build of OpenSSL.
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"foolscap >= 0.8.0",
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# Needed for SFTP.
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# pycrypto 2.2 doesn't work due to <https://bugs.launchpad.net/pycrypto/+bug/620253>
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# pycrypto 2.4 doesn't work due to <https://bugs.launchpad.net/pycrypto/+bug/881130>
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"pycrypto >= 2.1.0, != 2.2, != 2.4",
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# <http://www.voidspace.org.uk/python/mock/>, 0.8.0 provides "call"
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"mock >= 0.8.0",
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# pycryptopp-0.6.0 includes ed25519
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"pycryptopp >= 0.6.0",
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"service-identity", # this is needed to suppress complaints about being unable to verify certs
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"characteristic >= 14.0.0", # latest service-identity depends on this version
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"pyasn1 >= 0.1.4", # latest pyasn1-modules depends on this version
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"pyasn1-modules >= 0.0.5", # service-identity depends on this
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]
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# Includes some indirect dependencies, but does not include allmydata.
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# These are in the order they should be listed by --version, etc.
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package_imports = [
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# package name module name
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('foolscap', 'foolscap'),
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('pycryptopp', 'pycryptopp'),
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('zfec', 'zfec'),
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('Twisted', 'twisted'),
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('Nevow', 'nevow'),
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('zope.interface', 'zope.interface'),
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('python', None),
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('platform', None),
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('pyOpenSSL', 'OpenSSL'),
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('simplejson', 'simplejson'),
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('pycrypto', 'Crypto'),
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('pyasn1', 'pyasn1'),
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('mock', 'mock'),
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('service-identity', 'service_identity'),
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('characteristic', 'characteristic'),
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('pyasn1-modules', 'pyasn1_modules'),
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]
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# Dependencies for which we don't know how to get a version number at run-time.
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not_import_versionable = [
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'zope.interface',
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'mock',
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'pyasn1',
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]
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# Dependencies reported by pkg_resources that we can safely ignore.
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ignorable = [
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'argparse',
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'pyutil',
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'zbase32',
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'distribute',
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'twisted-web',
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'twisted-core',
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'twisted-conch',
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]
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import sys
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# Don't try to get the version number of setuptools in frozen builds, because
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# that triggers 'site' processing that causes failures. Note that frozen
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# builds still (unfortunately) import pkg_resources in .tac files, so the
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# entry for setuptools in install_requires above isn't conditional.
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if not hasattr(sys, 'frozen'):
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package_imports.append(('setuptools', 'setuptools'))
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# Splitting the dependencies for Windows and non-Windows helps to fix
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2249> and
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2028>.
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if sys.platform == "win32":
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install_requires += [
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# * On Windows we need at least Twisted 9.0 to avoid an indirect
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# dependency on pywin32.
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# * We also need Twisted 10.1 for the FTP frontend in order for
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# Twisted's FTP server to support asynchronous close.
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# * When the cloud backend lands, it will depend on Twisted 10.2.0
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# which includes the fix to <https://twistedmatrix.com/trac/ticket/411>.
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# * The SFTP frontend depends on Twisted 11.0.0 to fix the SSH server
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# rekeying bug <https://twistedmatrix.com/trac/ticket/4395>
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# * The FTP frontend depends on Twisted >=11.1.0 for
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# filepath.Permissions
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# * We don't want Twisted >= 12.2.0 to avoid a dependency of its endpoints
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# code on pywin32. <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2028>
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#
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"Twisted >= 11.1.0, <= 12.1.0",
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# * We need Nevow >= 0.9.33 to avoid a bug in Nevow's setup.py
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# which imported twisted at setup time.
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# * We don't want Nevow 0.11 because that requires Twisted >= 13.0
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# which conflicts with the Twisted requirement above.
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2291>
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#
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"Nevow >= 0.9.33, <= 0.10",
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]
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else:
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install_requires += [
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# * On Linux we need at least Twisted 10.1.0 for inotify support
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# used by the drop-upload frontend.
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# * Nevow 0.11.1 requires Twisted >= 13.0.0 so we might as well
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# require it directly; this helps to work around
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2286>.
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# This also satisfies the requirements for the FTP and SFTP
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# frontends and cloud backend mentioned in the Windows section
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# above.
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#
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"Twisted >= 13.0.0",
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# Nevow >= 0.11.1 can be installed using pip.
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"Nevow >= 0.11.1",
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]
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# * pyOpenSSL is required in order for foolscap to provide secure connections.
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# Since foolscap doesn't reliably declare this dependency in a machine-readable
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# way, we need to declare a dependency on pyOpenSSL ourselves. Tahoe-LAFS does
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# not *directly* depend on pyOpenSSL.
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#
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# * pyOpenSSL >= 0.13 is needed in order to avoid
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2005>.
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#
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# * pyOpenSSL >= 0.14 is built on the 'cryptography' package which depends
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# on 'cffi' (and indirectly several other packages). Unfortunately cffi
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# attempts to compile code dynamically, which causes problems on many systems.
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# It also depends on the libffi OS package which may not be installed.
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# <https://bitbucket.org/cffi/cffi/issue/109/enable-sane-packaging-for-cffi>
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# <https://bitbucket.org/cffi/cffi/issue/70/cant-install-cffi-using-pip-on-windows>
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#
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# So, if pyOpenSSL 0.14 has *already* been installed and is importable, we
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# want to accept it; otherwise we ask for pyOpenSSL 0.13 or 0.13.1.
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2193>
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#
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# We don't rely on pkg_resources to tell us the installed pyOpenSSL version
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# number, because pkg_resources telling us that we have 0.14 is not sufficient
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# evidence that 0.14 will be the imported version (or will work correctly).
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# One possible reason why it might not be is explained in
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1246#comment:6> and
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1258>.
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_can_use_pyOpenSSL_0_14 = False
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try:
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import OpenSSL
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pyOpenSSL_ver = OpenSSL.__version__.split('.')
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if int(pyOpenSSL_ver[0]) > 0 or int(pyOpenSSL_ver[1]) >= 14:
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_can_use_pyOpenSSL_0_14 = True
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except Exception:
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pass
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if _can_use_pyOpenSSL_0_14:
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install_requires += [
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# Although we checked for pyOpenSSL >= 0.14 above, we only actually
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# need pyOpenSSL >= 0.13; requiring 0.14 here cannot help.
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"pyOpenSSL >= 0.13",
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# ... and now all the new stuff that pyOpenSSL 0.14 transitively
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# depends on. We specify these explicitly because setuptools is
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# bad at correctly resolving indirect dependencies (e.g. see
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# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2286>).
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#
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"cryptography",
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"cffi >= 0.8", # latest cryptography depends on this version
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"six >= 1.4.1", # latest cryptography depends on this version
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"enum34", # latest cryptography depends on this
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"pycparser", # cffi depends on this
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]
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package_imports += [
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('cryptography', 'cryptography'),
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('cffi', 'cffi'),
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('six', 'six'),
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('enum34', 'enum'),
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('pycparser', 'pycparser'),
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]
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else:
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install_requires += [
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"pyOpenSSL >= 0.13, <= 0.13.1",
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]
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# These are suppressed globally:
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global_deprecation_messages = [
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"BaseException.message has been deprecated as of Python 2.6",
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"twisted.internet.interfaces.IFinishableConsumer was deprecated in Twisted 11.1.0: Please use IConsumer (and IConsumer.unregisterProducer) instead.",
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"twisted.internet.interfaces.IStreamClientEndpointStringParser was deprecated in Twisted 14.0.0: This interface has been superseded by IStreamClientEndpointStringParserWithReactor.",
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]
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# These are suppressed while importing dependencies:
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deprecation_messages = [
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"the sha module is deprecated; use the hashlib module instead",
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"object.__new__\(\) takes no parameters",
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"The popen2 module is deprecated. Use the subprocess module.",
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"the md5 module is deprecated; use hashlib instead",
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"twisted.web.error.NoResource is deprecated since Twisted 9.0. See twisted.web.resource.NoResource.",
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"the sets module is deprecated",
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]
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runtime_warning_messages = [
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"Not using mpz_powm_sec. You should rebuild using libgmp >= 5 to avoid timing attack vulnerability.",
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]
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warning_imports = [
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'nevow',
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'twisted.persisted.sob',
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'twisted.python.filepath',
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'Crypto.Hash.SHA',
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]
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