1 # Note: please minimize imports in this file. In particular, do not import
2 # any module from Tahoe-LAFS or its dependencies, and do not import any
3 # modules at all at global level. That includes setuptools and pkg_resources.
4 # It is ok to import modules from the Python Standard Library if they are
5 # always available, or the import is protected by try...except ImportError.
7 # The semantics for requirement specs changed incompatibly in setuptools 8,
8 # which now follows PEP 440. The requirements used in this file must be valid
9 # under both the old and new semantics. That can be achieved by limiting
10 # requirement specs to one of the following forms:
12 # * >= X, <= Y where X < Y
13 # * >= X, != Y, != Z, ... where X < Y < Z...
15 # (In addition, check_requirement in allmydata/__init__.py only supports
16 # >=, <= and != operators.)
19 # We require newer versions of setuptools (actually
20 # zetuptoolz) to build, but can handle older versions to run.
21 "setuptools >= 0.6c6",
25 # Feisty has simplejson 1.4
28 # zope.interface >= 3.6.0 is required for Twisted >= 12.1.0.
29 # zope.interface 3.6.3 and 3.6.4 are incompatible with Nevow (#1435).
30 "zope.interface >= 3.6.0, != 3.6.3, != 3.6.4",
32 # * We need Twisted 10.1.0 for the FTP frontend in order for
33 # Twisted's FTP server to support asynchronous close.
34 # * The SFTP frontend depends on Twisted 11.0.0 to fix the SSH server
35 # rekeying bug <https://twistedmatrix.com/trac/ticket/4395>
36 # * The FTP frontend depends on Twisted >= 11.1.0 for
37 # filepath.Permissions
38 # * Nevow 0.11.1 depends on Twisted >= 13.0.0.
39 # * The Magic Folder frontend depends on Twisted >= 15.2.0.
40 # * For now we pin Twisted 15.2.0 to avoid <http://foolscap.lothar.com/trac/ticket/244>.
43 # Nevow 0.11.1 can be installed using pip (#2032).
46 # * foolscap < 0.5.1 had a performance bug which spent O(N**2) CPU for
47 # transferring large mutable files of size N.
48 # * foolscap < 0.6 is incompatible with Twisted 10.2.0.
49 # * foolscap 0.6.1 quiets a DeprecationWarning.
50 # * foolscap < 0.6.3 is incompatible with Twisted 11.1.0 and newer.
51 # * foolscap 0.8.0 generates 2048-bit RSA-with-SHA-256 signatures,
52 # rather than 1024-bit RSA-with-MD5. This also allows us to work
53 # with a FIPS build of OpenSSL.
57 # pycrypto 2.2 doesn't work due to <https://bugs.launchpad.net/pycrypto/+bug/620253>
58 # pycrypto 2.4 doesn't work due to <https://bugs.launchpad.net/pycrypto/+bug/881130>
59 "pycrypto >= 2.1.0, != 2.2, != 2.4",
61 # pycryptopp-0.6.0 includes ed25519
62 "pycryptopp >= 0.6.0",
64 "service-identity", # this is needed to suppress complaints about being unable to verify certs
65 "characteristic >= 14.0.0", # latest service-identity depends on this version
66 "pyasn1 >= 0.1.8", # latest pyasn1-modules depends on this version
67 "pyasn1-modules >= 0.0.5", # service-identity depends on this
70 # We no longer have any setup dependencies.
73 # Includes some indirect dependencies, but does not include allmydata.
74 # These are in the order they should be listed by --version, etc.
76 # package name module name
77 ('foolscap', 'foolscap'),
78 ('pycryptopp', 'pycryptopp'),
80 ('Twisted', 'twisted'),
82 ('zope.interface', 'zope.interface'),
85 ('pyOpenSSL', 'OpenSSL'),
87 ('simplejson', 'simplejson'),
88 ('pycrypto', 'Crypto'),
90 ('service-identity', 'service_identity'),
91 ('characteristic', 'characteristic'),
92 ('pyasn1-modules', 'pyasn1_modules'),
95 # Dependencies for which we don't know how to get a version number at run-time.
96 not_import_versionable = [
100 # Dependencies reported by pkg_resources that we can safely ignore.
113 # Don't try to get the version number of setuptools in frozen builds, because
114 # that triggers 'site' processing that causes failures. Note that frozen
115 # builds still (unfortunately) import pkg_resources in .tac files, so the
116 # entry for setuptools in install_requires above isn't conditional.
117 if not hasattr(sys, 'frozen'):
118 package_imports.append(('setuptools', 'setuptools'))
121 # * pyOpenSSL is required in order for foolscap to provide secure connections.
122 # Since foolscap doesn't reliably declare this dependency in a machine-readable
123 # way, we need to declare a dependency on pyOpenSSL ourselves. Tahoe-LAFS does
124 # not *directly* depend on pyOpenSSL.
126 # * pyOpenSSL >= 0.13 is needed in order to avoid
127 # <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2005>, and also to check the
128 # version of OpenSSL that pyOpenSSL is using.
130 # * pyOpenSSL >= 0.14 is built on the 'cryptography' package which depends
131 # on 'cffi' (and indirectly several other packages). Unfortunately cffi
132 # attempts to compile code dynamically, which causes problems on many systems.
133 # It also depends on the libffi OS package which may not be installed.
134 # <https://bitbucket.org/cffi/cffi/issue/109/enable-sane-packaging-for-cffi>
135 # <https://bitbucket.org/cffi/cffi/issue/70/cant-install-cffi-using-pip-on-windows>
137 # So, if pyOpenSSL 0.14 has *already* been installed and is importable, we
138 # want to accept it; otherwise we ask for pyOpenSSL 0.13 or 0.13.1.
139 # <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2193>
141 # We don't rely on pkg_resources to tell us the installed pyOpenSSL version
142 # number, because pkg_resources telling us that we have 0.14 is not sufficient
143 # evidence that 0.14 will be the imported version (or will work correctly).
144 # One possible reason why it might not be is explained in
145 # <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1246#comment:6> and
146 # <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1258>.
148 _can_use_pyOpenSSL_0_14 = False
151 pyOpenSSL_ver = OpenSSL.__version__.split('.')
152 if int(pyOpenSSL_ver[0]) > 0 or int(pyOpenSSL_ver[1]) >= 14:
153 _can_use_pyOpenSSL_0_14 = True
157 if _can_use_pyOpenSSL_0_14:
158 install_requires += [
159 # Although we checked for pyOpenSSL >= 0.14 above, we only actually
160 # need pyOpenSSL >= 0.13; requiring 0.14 here cannot help.
163 # ... and now all the new stuff that pyOpenSSL 0.14 transitively
164 # depends on. We specify these explicitly because setuptools is
165 # bad at correctly resolving indirect dependencies (e.g. see
166 # <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2286>).
169 "cffi >= 0.8", # latest cryptography depends on this version
170 "six >= 1.4.1", # latest cryptography depends on this version
171 "enum34", # latest cryptography depends on this
172 "pycparser", # cffi depends on this
176 ('cryptography', 'cryptography'),
180 ('pycparser', 'pycparser'),
183 install_requires += [
184 "pyOpenSSL >= 0.13, <= 0.13.1",
188 # These are suppressed globally:
190 global_deprecation_messages = [
191 "BaseException.message has been deprecated as of Python 2.6",
192 "twisted.internet.interfaces.IFinishableConsumer was deprecated in Twisted 11.1.0: Please use IConsumer (and IConsumer.unregisterProducer) instead.",
193 "twisted.internet.interfaces.IStreamClientEndpointStringParser was deprecated in Twisted 14.0.0: This interface has been superseded by IStreamClientEndpointStringParserWithReactor.",
196 # These are suppressed while importing dependencies:
198 deprecation_messages = [
199 "the sha module is deprecated; use the hashlib module instead",
200 "object.__new__\(\) takes no parameters",
201 "The popen2 module is deprecated. Use the subprocess module.",
202 "the md5 module is deprecated; use hashlib instead",
203 "twisted.web.error.NoResource is deprecated since Twisted 9.0. See twisted.web.resource.NoResource.",
204 "the sets module is deprecated",
207 runtime_warning_messages = [
208 "Not using mpz_powm_sec. You should rebuild using libgmp >= 5 to avoid timing attack vulnerability.",
213 'twisted.persisted.sob',
214 'twisted.python.filepath',