2 # we require newer versions of setuptools (actually
3 # zetuptoolz) to build, but can handle older versions to run
8 # Feisty has simplejson 1.4
14 # foolscap < 0.5.1 had a performance bug which spent
15 # O(N**2) CPU for transferring large mutable files
17 "foolscap[secure_connections] >= 0.5.1",
20 # Needed for SFTP. pyasn1 is needed by twisted.conch in Twisted >= 9.0.
21 # pycrypto 2.2 doesn't work due to https://bugs.launchpad.net/pycrypto/+bug/620253
22 "pycrypto == 2.0.1, == 2.1, >= 2.3",
25 # Will be needed to test web apps, but not yet. See #1001.
30 if platform.machine().lower() in ['i386', 'x86_64', 'amd64', '']:
31 # pycryptopp v0.5.20 fixes bugs in SHA-256 and AES on x86 or amd64
32 # (from Crypto++ revisions 470, 471, 480, 492). The '' is there
33 # in case platform.machine is broken and this is actually an x86
35 install_requires.append("pycryptopp >= 0.5.20")
37 # pycryptopp v0.5.13 had a new bundled version of Crypto++
38 # (v5.6.0) and a new bundled version of setuptools (although that
39 # shouldn't make any different to users of pycryptopp).
40 install_requires.append("pycryptopp >= 0.5.14")
43 # Sqlite comes built into Python >= 2.5, and is provided by the "pysqlite"
44 # distribution for Python 2.4.
46 if sys.version_info < (2, 5):
47 # pysqlite v2.0.5 was shipped in Ubuntu 6.06 LTS "dapper" and Nexenta NCP 1.
48 install_requires.append("pysqlite >= 2.0.5")
50 ## The following block is commented-out because there is not currently a pywin32 package which
51 ## can be easy_install'ed and also which actually makes "import win32api" succeed.
52 ## See http://sourceforge.net/tracker/index.php?func=detail&aid=1799934&group_id=78018&atid=551954
53 ## Users have to manually install pywin32 on Windows before installing Tahoe.
55 ##if platform.system() == "Windows":
56 ## # Twisted requires pywin32 if it is going to offer process management functionality, or if
57 ## # it is going to offer iocp reactor. We currently require process management. It would be
58 ## # better if Twisted would declare that it requires pywin32 if it is going to offer process
59 ## # management. That is twisted ticket #3238 -- http://twistedmatrix.com/trac/ticket/3238 .
60 ## # On the other hand, Tahoe also depends on pywin32 for getting free disk space statistics
61 ## # (although that is not a hard requirement: if win32api can't be imported then we don't
62 ## # rely on having the disk stats).
63 ## install_requires.append('pywin32')
65 if hasattr(sys, 'frozen'): # for py2exe
68 def require_python_version():
71 # we require 2.4.4 on non-UCS-2, non-Redhat builds to avoid <http://www.python.org/news/security/PSF-2006-001/>
72 # we require 2.4.3 on non-UCS-2 Redhat, because 2.4.3 is common on Redhat-based distros and will have patched the above bug
73 # we require at least 2.4.2 in any case to avoid a bug in the base64 module: <http://bugs.python.org/issue1171487>
74 if sys.maxunicode == 65535:
75 if sys.version_info < (2, 4, 2) or sys.version_info[0] > 2:
76 raise NotImplementedError("Tahoe-LAFS current requires Python v2.4.2 or greater "
77 "for a UCS-2 build (but less than v3), not %r" %
79 elif platform.platform().lower().find('redhat') >= 0:
80 if sys.version_info < (2, 4, 3) or sys.version_info[0] > 2:
81 raise NotImplementedError("Tahoe-LAFS current requires Python v2.4.3 or greater "
82 "on Redhat-based distributions (but less than v3), not %r" %
85 if sys.version_info < (2, 4, 4) or sys.version_info[0] > 2:
86 raise NotImplementedError("Tahoe-LAFS current requires Python v2.4.4 or greater "
87 "for a non-UCS-2 build (but less than v3), not %r" %
90 def require_auto_deps():
92 The purpose of this function is to raise a pkg_resources exception if any of the
93 requirements can't be imported. This is just to give earlier and more explicit error
94 messages, as opposed to waiting until the source code tries to import some module from one
95 of these packages and gets an ImportError. This function gets called from
96 src/allmydata/__init__.py .
98 require_python_version()
101 for requirement in install_requires:
103 pkg_resources.require(requirement)
104 except pkg_resources.DistributionNotFound:
105 # there is no .egg-info present for this requirement, which
106 # either means that it isn't installed, or it is installed in a
107 # way that pkg_resources can't find it (but regular python
108 # might). There are several older Linux distributions which
109 # provide our dependencies just fine, but they don't ship
110 # .egg-info files. Note that if there *is* an .egg-info file,
111 # but it shows a too-old version, then we'll get a
112 # VersionConflict error instead of DistributionNotFound.