# It is ok to import modules from the Python Standard Library if they are
# always available, or the import is protected by try...except ImportError.
+# The semantics for requirement specs changed incompatibly in setuptools 8,
+# which now follows PEP 440. The requirements used in this file must be valid
+# under both the old and new semantics. That can be achieved by limiting
+# requirement specs to one of the following forms:
+#
+# * >= X, <= Y where X < Y
+# * >= X, != Y, != Z, ... where X < Y < Z...
+#
+# (In addition, check_requirement in allmydata/__init__.py only supports
+# >=, <= and != operators.)
+
install_requires = [
- # we require newer versions of setuptools (actually
- # zetuptoolz) to build, but can handle older versions to run
+ # We require newer versions of setuptools (actually
+ # zetuptoolz) to build, but can handle older versions to run.
"setuptools >= 0.6c6",
"zfec >= 1.1.0",
# zope.interface >= 3.6.0 is required for Twisted >= 12.1.0.
# zope.interface 3.6.3 and 3.6.4 are incompatible with Nevow (#1435).
- "zope.interface == 3.6.0, == 3.6.1, == 3.6.2, >= 3.6.5",
+ "zope.interface >= 3.6.0, != 3.6.3, != 3.6.4",
# * foolscap < 0.5.1 had a performance bug which spent O(N**2) CPU for
# transferring large mutable files of size N.
# * foolscap < 0.6 is incompatible with Twisted 10.2.0.
# * foolscap 0.6.1 quiets a DeprecationWarning.
- # * foolscap < 0.6.3 is incompatible with Twisted-11.1.0 and newer. Since
- # current Twisted is 12.0, any build which needs twisted will grab a
- # version that requires foolscap>=0.6.3
- # * pyOpenSSL is required by foolscap for it (foolscap) to provide secure
- # connections. Foolscap doesn't reliably declare this dependency in a
- # machine-readable way, so we need to declare a dependency on pyOpenSSL
- # ourselves. Tahoe-LAFS doesn't *really* depend directly on pyOpenSSL,
- # so if something changes in the relationship between foolscap and
- # pyOpenSSL, such as foolscap requiring a specific version of
- # pyOpenSSL, or foolscap switching from pyOpenSSL to a different crypto
- # library, we need to update this declaration here.
- #
+ # * foolscap < 0.6.3 is incompatible with Twisted 11.1.0 and newer.
"foolscap >= 0.6.3",
- # 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 2.4 doesn't work due to https://bugs.launchpad.net/pycrypto/+bug/881130
- "pycrypto == 2.1.0, == 2.3, >= 2.4.1",
+ # Needed for SFTP.
+ # pycrypto 2.2 doesn't work due to <https://bugs.launchpad.net/pycrypto/+bug/620253>
+ # pycrypto 2.4 doesn't work due to <https://bugs.launchpad.net/pycrypto/+bug/881130>
+ "pycrypto >= 2.1.0, != 2.2, != 2.4",
- # http://www.voidspace.org.uk/python/mock/ , 0.8.0 provides "call"
+ # <http://www.voidspace.org.uk/python/mock/>, 0.8.0 provides "call"
"mock >= 0.8.0",
# pycryptopp-0.6.0 includes ed25519
"pycryptopp >= 0.6.0",
-
- # Will be needed to test web apps, but not yet. See #1001.
- #"windmill >= 1.3",
]
# Includes some indirect dependencies, but does not include allmydata.
if not hasattr(sys, 'frozen'):
package_imports.append(('setuptools', 'setuptools'))
+
+# Splitting the dependencies for Windows and non-Windows helps to fix
+# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2249> and
+# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2028>.
+
if sys.platform == "win32":
install_requires += [
# * On Windows we need at least Twisted 9.0 to avoid an indirect
# which includes the fix to <https://twistedmatrix.com/trac/ticket/411>.
# * The SFTP frontend depends on Twisted 11.0.0 to fix the SSH server
# rekeying bug <https://twistedmatrix.com/trac/ticket/4395>
- # * We don't want Twisted >= 13.0 to avoid a dependency of its endpoints
+ # * The FTP frontend depends on Twisted >=11.1.0 for
+ # filepath.Permissions
+ # * We don't want Twisted >= 12.2.0 to avoid a dependency of its endpoints
# code on pywin32. <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2028>
#
- "Twisted == 11.0.0, == 11.1.0, == 12.0.0, == 12.1.0, == 12.2.0",
+ "Twisted >= 11.1.0, <= 12.1.0",
# * We need Nevow >= 0.9.33 to avoid a bug in Nevow's setup.py
# which imported twisted at setup time.
# which conflicts with the Twisted requirement above.
# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2291>
#
- "Nevow == 0.9.33, == 0.10",
+ "Nevow >= 0.9.33, <= 0.10",
# pyasn1 is needed by twisted.conch in Twisted >= 9.0.
"pyasn1 >= 0.0.8a",
('pyasn1-modules', 'pyasn1_modules'),
]
-# If pyOpenSSL >= 0.14 is *already* installed, then accept it, otherwise
-# require pyOpenSSL 0.13 or 0.13.1.
-# See <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1246#comment:6> for why
-# we don't rely on pkg_resources to tell us the installed pyOpenSSL version number.
+
+# * pyOpenSSL is required in order for foolscap to provide secure connections.
+# Since foolscap doesn't reliably declare this dependency in a machine-readable
+# way, we need to declare a dependency on pyOpenSSL ourselves. Tahoe-LAFS does
+# not *directly* depend on pyOpenSSL.
+#
+# * pyOpenSSL >= 0.13 is needed in order to avoid
+# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2005>.
+#
+# * pyOpenSSL >= 0.14 is built on the 'cryptography' package which depends
+# on 'cffi' (and indirectly several other packages). Unfortunately cffi
+# attempts to compile code dynamically, which causes problems on many systems.
+# It also depends on the libffi OS package which may not be installed.
+# <https://bitbucket.org/cffi/cffi/issue/109/enable-sane-packaging-for-cffi>
+# <https://bitbucket.org/cffi/cffi/issue/70/cant-install-cffi-using-pip-on-windows>
+#
+# So, if pyOpenSSL 0.14 has *already* been installed and is importable, we
+# want to accept it; otherwise we ask for pyOpenSSL 0.13 or 0.13.1.
+# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2193>
+#
+# We don't rely on pkg_resources to tell us the installed pyOpenSSL version
+# number, because pkg_resources telling us that we have 0.14 is not sufficient
+# evidence that 0.14 will be the imported version (or will work correctly).
+# One possible reason why it might not be is explained in
+# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1246#comment:6> and
+# <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1258>.
_can_use_pyOpenSSL_0_14 = False
try:
if _can_use_pyOpenSSL_0_14:
install_requires += [
- # pyOpenSSL >= 0.13 is needed in order to fix
- # <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2005>.
+ # Although we checked for pyOpenSSL >= 0.14 above, we only actually
+ # need pyOpenSSL >= 0.13; requiring 0.14 here cannot help.
"pyOpenSSL >= 0.13",
# ... and now all the new stuff that pyOpenSSL 0.14 transitively
"cryptography",
"cffi >= 0.8", # latest cryptography depends on this version
"six >= 1.4.1", # latest cryptography depends on this version
+ "enum34", # latest cryptography depends on this
"pycparser", # cffi depends on this
]
('cryptography', 'cryptography'),
('cffi', 'cffi'),
('six', 'six'),
+ ('enum34', 'enum'),
('pycparser', 'pycparser'),
]
else:
install_requires += [
- "pyOpenSSL == 0.13, == 0.13.1",
+ "pyOpenSSL >= 0.13, <= 0.13.1",
]