community web site: U{http://tahoe-lafs.org/}
"""
-# We want to call require_auto_deps() before other imports, because the setuptools
-# docs claim that if a distribution is installed with --multi-version, it might not
-# be importable until after pkg_resources.require() has been called for it. We don't
-# have an example of this happening at this time. It is possible that require() isn't
-# actually needed because we set __requires__ in the generated startup script, but
-# that would be an undocumented property of the setuptools implementation.
-
-from allmydata import _auto_deps
-_auto_deps.require_auto_deps()
-
-# This is just to suppress DeprecationWarnings from nevow and twisted.
-# See http://allmydata.org/trac/tahoe/ticket/859 and
-# http://divmod.org/trac/ticket/2994 .
-import warnings
-warnings.filterwarnings("ignore", category=DeprecationWarning,
- message="the sha module is deprecated; use the hashlib module instead",
- append=True)
-warnings.filterwarnings("ignore", category=DeprecationWarning,
- message="object.__new__\(\) takes no parameters",
- append=True)
-warnings.filterwarnings("ignore", category=DeprecationWarning,
- message="The popen2 module is deprecated. Use the subprocess module.",
- append=True)
-warnings.filterwarnings("ignore", category=DeprecationWarning,
- message="the md5 module is deprecated; use hashlib instead",
- append=True)
-warnings.filterwarnings("ignore", category=DeprecationWarning,
- message="twisted.web.error.NoResource is deprecated since Twisted 9.0. See twisted.web.resource.NoResource.",
- append=True)
-try:
- import nevow
- from twisted.persisted import sob
- from twisted.python import filepath
- hush_pyflakes = (nevow, sob, filepath)
- del hush_pyflakes
-finally:
- warnings.filters.pop()
- warnings.filters.pop()
- warnings.filters.pop()
- warnings.filters.pop()
- # Don't pop the filter for the sha module warning because it is also generated
- # by pycrypto (which we don't want to import unless needed).
- # warnings.filters.pop()
-
-# This warning is generated by twisted, PyRex, and possibly other packages,
-# but can happen at any time, not only when they are imported. See
-# http://tahoe-lafs.org/trac/tahoe-lafs/ticket/1129 .
-warnings.filterwarnings("ignore", category=DeprecationWarning,
- message="BaseException.message has been deprecated as of Python 2.6",
- append=True)
+class PackagingError(EnvironmentError):
+ """
+ Raised when there is an error in packaging of Tahoe-LAFS or its
+ dependencies which makes it impossible to proceed safely.
+ """
+ pass
__version__ = "unknown"
try:
else:
return platform.platform()
-def get_package_versions_from_setuptools():
- import pkg_resources
- return dict([(p.project_name, (p.version, p.location)) for p in pkg_resources.require(__appname__)])
-def package_dir(srcfile):
- return os.path.dirname(os.path.dirname(os.path.normcase(os.path.realpath(srcfile))))
+from allmydata.util import verlib
+def normalized_version(verstr):
+ return verlib.NormalizedVersion(verlib.suggest_normalized_version(verstr))
+
def get_package_versions_and_locations():
- # because there are a few dependencies that are outside setuptools's ken
- # (Python and platform, and sqlite3 if you are on Python >= 2.5), and
- # because setuptools might fail to find something even though import
- # finds it:
- import OpenSSL, allmydata, foolscap.api, nevow, platform, pycryptopp, setuptools, simplejson, twisted, zfec, zope.interface
- pysqlitever = None
- pysqlitefile = None
- sqlitever = None
+ import warnings
+ from _auto_deps import package_imports, deprecation_messages, deprecation_imports
+
+ def package_dir(srcfile):
+ return os.path.dirname(os.path.dirname(os.path.normcase(os.path.realpath(srcfile))))
+
+ # pkg_resources.require returns the distribution that pkg_resources attempted to put
+ # on sys.path, which can differ from the one that we actually import due to #1258,
+ # or any other bug that causes sys.path to be set up incorrectly. Therefore we
+ # must import the packages in order to check their versions and paths.
+
+ # This warning is generated by twisted, PyRex, and possibly other packages,
+ # but can happen at any time, not only when they are imported. See
+ # http://tahoe-lafs.org/trac/tahoe-lafs/ticket/1129 .
+ warnings.filterwarnings("ignore", category=DeprecationWarning,
+ message="BaseException.message has been deprecated as of Python 2.6",
+ append=True)
+
+ # This is to suppress various DeprecationWarnings that occur when modules are imported.
+ # See http://allmydata.org/trac/tahoe/ticket/859 and http://divmod.org/trac/ticket/2994 .
+
+ for msg in deprecation_messages:
+ warnings.filterwarnings("ignore", category=DeprecationWarning, message=msg, append=True)
try:
- import sqlite3
- except ImportError:
- try:
- from pysqlite2 import dbapi2
- except ImportError:
- pass
+ for modulename in deprecation_imports:
+ try:
+ __import__(modulename)
+ except ImportError:
+ pass
+ finally:
+ for ign in deprecation_messages:
+ warnings.filters.pop()
+
+ packages = []
+
+ def get_version(module, attr):
+ return str(getattr(module, attr, 'unknown'))
+
+ for pkgname, modulename in [(__appname__, 'allmydata')] + package_imports:
+ if modulename:
+ try:
+ __import__(modulename)
+ module = sys.modules[modulename]
+ except ImportError:
+ packages.append((pkgname, (None, modulename)))
+ else:
+ if 'sqlite' in pkgname:
+ packages.append( (pkgname, (get_version(module, 'version'), package_dir(module.__file__))) )
+ packages.append( ('sqlite', (get_version(module, 'sqlite_version'), package_dir(module.__file__))) )
+ else:
+ packages.append( (pkgname, (get_version(module, '__version__'), package_dir(module.__file__))) )
+ elif pkgname == 'python':
+ packages.append( (pkgname, (platform.python_version(), sys.executable)) )
+ elif pkgname == 'platform':
+ packages.append( (pkgname, (get_platform(), None)) )
+
+ return packages
+
+
+def check_requirement(req, vers_and_locs):
+ # TODO: check [] options
+ # We support only disjunctions of >= and ==
+
+ reqlist = req.split(',')
+ name = reqlist[0].split('>=')[0].split('==')[0].strip(' ').split('[')[0]
+ if name not in vers_and_locs:
+ raise PackagingError("no version info for %s" % (name,))
+ if req.strip(' ') == name:
+ return
+ (actual, location) = vers_and_locs[name]
+ if actual is None:
+ raise ImportError("could not import %r for requirement %r" % (location, req))
+ if actual == 'unknown':
+ return
+ actualver = normalized_version(actual)
+
+ for r in reqlist:
+ s = r.split('>=')
+ if len(s) == 2:
+ required = s[1].strip(' ')
+ if actualver >= normalized_version(required):
+ return # minimum requirement met
else:
- pysqlitever = dbapi2.version
- pysqlitefile = package_dir(dbapi2.__file__)
- sqlitever = dbapi2.sqlite_version
- else:
- pysqlitever = sqlite3.version
- pysqlitefile = package_dir(sqlite3.__file__)
- sqlitever = sqlite3.sqlite_version
-
- d1 = {
- 'pyOpenSSL': (OpenSSL.__version__, package_dir(OpenSSL.__file__)),
- __appname__: (allmydata.__version__, package_dir(allmydata.__file__)),
- 'foolscap': (foolscap.api.__version__, package_dir(foolscap.__file__)),
- 'Nevow': (nevow.__version__, package_dir(nevow.__file__)),
- 'pycryptopp': (pycryptopp.__version__, package_dir(pycryptopp.__file__)),
- 'setuptools': (setuptools.__version__, package_dir(setuptools.__file__)),
- 'simplejson': (simplejson.__version__, package_dir(simplejson.__file__)),
- 'pysqlite': (pysqlitever, pysqlitefile),
- 'sqlite': (sqlitever, 'unknown'),
- 'zope.interface': ('unknown', package_dir(zope.interface.__file__)),
- 'Twisted': (twisted.__version__, package_dir(twisted.__file__)),
- 'zfec': (zfec.__version__, package_dir(zfec.__file__)),
- 'python': (platform.python_version(), sys.executable),
- 'platform': (get_platform(), None),
- }
-
- # But we prefer to get all the dependencies as known by setuptools:
+ s = r.split('==')
+ if len(s) == 2:
+ required = s[1].strip(' ')
+ if actualver == normalized_version(required):
+ return # exact requirement met
+ else:
+ raise PackagingError("no version info or could not understand requirement %r" % (req,))
+
+ msg = ("We require %s, but could only find version %s.\n" % (req, actual))
+ if location and location != 'unknown':
+ msg += "The version we found is from %r.\n" % (location,)
+ msg += ("To resolve this problem, uninstall that version, either using your\n"
+ "operating system's package manager or by moving aside the directory.")
+ raise PackagingError(msg)
+
+
+_vers_and_locs_list = get_package_versions_and_locations()
+
+
+def cross_check_pkg_resources_versus_import():
+ """This function returns a list of errors due to any failed cross-checks."""
+
import pkg_resources
- try:
- d2 = get_package_versions_from_setuptools()
- except pkg_resources.DistributionNotFound:
- # See docstring in _auto_deps.require_auto_deps() to explain why it makes sense to ignore this exception.
- pass
+ from _auto_deps import install_requires
+
+ errors = []
+ not_pkg_resourceable = set(['sqlite', 'sqlite3', 'python', 'platform', __appname__.lower()])
+ not_import_versionable = set(['zope.interface', 'mock', 'pyasn1'])
+ ignorable = set(['argparse', 'pyutil', 'zbase32'])
+
+ pkg_resources_vers_and_locs = dict([(p.project_name.lower(), (str(p.version), p.location))
+ for p in pkg_resources.require(install_requires)])
+
+ for name, (imp_ver, imp_loc) in _vers_and_locs_list:
+ name = name.lower()
+ if name not in not_pkg_resourceable:
+ if name not in pkg_resources_vers_and_locs:
+ errors.append("Warning: dependency %s (version %s imported from %r) was not found by pkg_resources."
+ % (name, imp_ver, imp_loc))
+
+ pr_ver, pr_loc = pkg_resources_vers_and_locs[name]
+ try:
+ pr_normver = normalized_version(pr_ver)
+ except Exception, e:
+ errors.append("Warning: version number %s found for dependency %s by pkg_resources could not be parsed. "
+ "The version found by import was %s from %r. "
+ "pkg_resources thought it should be found at %r. "
+ "The exception was %s: %s"
+ % (pr_ver, name, imp_ver, imp_loc, pr_loc, e.__class__.name, e))
+ else:
+ if imp_ver == 'unknown':
+ if name not in not_import_versionable:
+ errors.append("Warning: unexpectedly could not find a version number for dependency %s imported from %r. "
+ "pkg_resources thought it should be version %s at %r."
+ % (name, imp_loc, pr_ver, pr_loc))
+ else:
+ try:
+ imp_normver = normalized_version(imp_ver)
+ except Exception, e:
+ errors.append("Warning: version number %s found for dependency %s (imported from %r) could not be parsed. "
+ "pkg_resources thought it should be version %s at %r. "
+ "The exception was %s: %s"
+ % (imp_ver, name, imp_loc, pr_ver, pr_loc, e.__class__.name, e))
+ else:
+ if pr_ver == 'unknown' or (pr_normver != imp_normver):
+ if not os.path.normpath(os.path.realpath(pr_loc)) == os.path.normpath(os.path.realpath(imp_loc)):
+ errors.append("Warning: dependency %s found to have version number %s (normalized to %s, from %r) "
+ "by pkg_resources, but version %s (normalized to %s, from %r) by import."
+ % (name, pr_ver, str(pr_normver), pr_loc, imp_ver, str(imp_normver), imp_loc))
+
+ imported_packages = set([p.lower() for (p, _) in _vers_and_locs_list])
+ for pr_name, (pr_ver, pr_loc) in pkg_resources_vers_and_locs.iteritems():
+ if pr_name not in imported_packages and pr_name not in ignorable:
+ errors.append("Warning: dependency %s (version %s) found by pkg_resources not found by import."
+ % (pr_name, pr_ver))
+
+ return errors
+
+
+def get_error_string(errors):
+ from allmydata._auto_deps import install_requires
+
+ return ("\n%s\n\n"
+ "For debugging purposes, the PYTHONPATH was\n"
+ " %r\n"
+ "install_requires was\n"
+ " %r\n"
+ "sys.path after importing pkg_resources was\n"
+ " %s\n"
+ % ("\n".join(errors), os.environ.get('PYTHONPATH'), install_requires, (os.pathsep+"\n ").join(sys.path)) )
+
+def check_all_requirements():
+ """This function returns a list of errors due to any failed checks."""
+
+ from allmydata._auto_deps import install_requires
+
+ errors = []
+
+ # we require 2.4.4 on non-UCS-2, non-Redhat builds to avoid <http://www.python.org/news/security/PSF-2006-001/>
+ # 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
+ # we require at least 2.4.2 in any case to avoid a bug in the base64 module: <http://bugs.python.org/issue1171487>
+ if sys.maxunicode == 65535:
+ if sys.version_info < (2, 4, 2) or sys.version_info[0] > 2:
+ errors.append("Tahoe-LAFS current requires Python v2.4.2 or greater "
+ "for a UCS-2 build (but less than v3), not %r" %
+ (sys.version_info,))
+ elif platform.platform().lower().find('redhat') >= 0:
+ if sys.version_info < (2, 4, 3) or sys.version_info[0] > 2:
+ errors.append("Tahoe-LAFS current requires Python v2.4.3 or greater "
+ "on Redhat-based distributions (but less than v3), not %r" %
+ (sys.version_info,))
else:
- d1.update(d2)
+ if sys.version_info < (2, 4, 4) or sys.version_info[0] > 2:
+ errors.append("Tahoe-LAFS current requires Python v2.4.4 or greater "
+ "for a non-UCS-2 build (but less than v3), not %r" %
+ (sys.version_info,))
+
+ vers_and_locs = dict(_vers_and_locs_list)
+ for requirement in install_requires:
+ try:
+ check_requirement(requirement, vers_and_locs)
+ except Exception, e:
+ errors.append("%s: %s" % (e.__class__.__name__, e))
+
+ if errors:
+ raise PackagingError(get_error_string(errors))
+
+check_all_requirements()
- return d1
def get_package_versions():
- return dict([(k, v) for k, (v, l) in get_package_versions_and_locations().iteritems()])
+ return dict([(k, v) for k, (v, l) in _vers_and_locs_list])
def get_package_locations():
- return dict([(k, l) for k, (v, l) in get_package_versions_and_locations().iteritems()])
+ return dict([(k, l) for k, (v, l) in _vers_and_locs_list])
def get_package_versions_string(show_paths=False):
- vers_and_locs = get_package_versions_and_locations()
res = []
- for p in [__appname__, "foolscap", "pycryptopp", "zfec", "Twisted", "Nevow", "zope.interface", "python", "platform"]:
- (ver, loc) = vers_and_locs.get(p, ('UNKNOWN', 'UNKNOWN'))
- info = str(p) + ": " + str(ver)
- if show_paths:
- info = info + " (%s)" % str(loc)
- res.append(info)
- if vers_and_locs.has_key(p):
- del vers_and_locs[p]
-
- for p, (v, loc) in vers_and_locs.iteritems():
+ for p, (v, loc) in _vers_and_locs_list:
info = str(p) + ": " + str(v)
if show_paths:
info = info + " (%s)" % str(loc)
res.append(info)
- return ', '.join(res)
+
+ output = ",\n".join(res) + "\n"
+
+ if not hasattr(sys, 'frozen'):
+ errors = cross_check_pkg_resources_versus_import()
+ if errors:
+ output += get_error_string(errors)
+
+ return output
-# Note: do not import any module from Tahoe-LAFS itself in this
-# file. Also please avoid importing modules from other packages than
-# the Python Standard Library if at all possible (exception: we rely
-# on importing pkg_resources, which is provided by setuptools,
-# zetuptoolz, distribute, and perhaps in the future distutils2, for
-# the require_auto_deps() function.)
-
-install_requires=[
- # we require newer versions of setuptools (actually
- # zetuptoolz) to build, but can handle older versions to run
- "setuptools >= 0.6c6",
-
- "zfec >= 1.1.0",
-
- # Feisty has simplejson 1.4
- "simplejson >= 1.4",
-
- "zope.interface",
- "Twisted >= 2.4.0",
-
- # 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[secure_connections] >= 0.6.1",
- "Nevow >= 0.6.0",
-
- # 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",
- "pyasn1 >= 0.0.8a",
-
- # http://www.voidspace.org.uk/python/mock/
- "mock",
-
- # Will be needed to test web apps, but not yet. See #1001.
- #"windmill >= 1.3",
- ]
-
-import platform
-if platform.machine().lower() in ['i386', 'x86_64', 'amd64', 'x86', '']:
- # 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:
- # pycryptopp v0.5.13 had a new bundled version of Crypto++
- # (v5.6.0) and a new bundled version of setuptools (although that
- # shouldn't make any different to users of pycryptopp).
- install_requires.append("pycryptopp >= 0.5.14")
-
-
-# Sqlite comes built into Python >= 2.5, and is provided by the "pysqlite"
-# distribution for Python 2.4.
-import sys
-if sys.version_info < (2, 5):
- # pysqlite v2.0.5 was shipped in Ubuntu 6.06 LTS "dapper" and Nexenta NCP 1.
- install_requires.append("pysqlite >= 2.0.5")
-
-if hasattr(sys, 'frozen'): # for py2exe
- install_requires=[]
-del sys # clean up namespace
-
-def require_python_version():
- import sys, platform
-
- # we require 2.4.4 on non-UCS-2, non-Redhat builds to avoid <http://www.python.org/news/security/PSF-2006-001/>
- # 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
- # we require at least 2.4.2 in any case to avoid a bug in the base64 module: <http://bugs.python.org/issue1171487>
- if sys.maxunicode == 65535:
- if sys.version_info < (2, 4, 2) or sys.version_info[0] > 2:
- raise NotImplementedError("Tahoe-LAFS current requires Python v2.4.2 or greater "
- "for a UCS-2 build (but less than v3), not %r" %
- (sys.version_info,))
- elif platform.platform().lower().find('redhat') >= 0:
- if sys.version_info < (2, 4, 3) or sys.version_info[0] > 2:
- raise NotImplementedError("Tahoe-LAFS current requires Python v2.4.3 or greater "
- "on Redhat-based distributions (but less than v3), not %r" %
- (sys.version_info,))
+# Note: please minimize imports in this file. In particular, do not import
+# any module from Tahoe-LAFS or its dependencies, and do not import any
+# modules at all at global level. That includes setuptools and pkg_resources.
+# 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.
+
+install_requires = [
+ "zfec >= 1.1.0",
+
+ # Feisty has simplejson 1.4
+ "simplejson >= 1.4",
+
+ "zope.interface",
+
+ "Twisted >= 2.4.0",
+
+ # 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[secure_connections] >= 0.6.1",
+
+ "Nevow >= 0.6.0",
+
+ # 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, == 2.1.0, >= 2.3",
+ "pyasn1 >= 0.0.8a",
+
+ # http://www.voidspace.org.uk/python/mock/
+ "mock",
+
+ # Will be needed to test web apps, but not yet. See #1001.
+ #"windmill >= 1.3",
+]
+
+# Includes some indirect dependencies, but does not include allmydata.
+# These are in the order they should be listed by --version, etc.
+package_imports = [
+ # package name module name
+ ('foolscap', 'foolscap'),
+ ('pycryptopp', 'pycryptopp'),
+ ('zfec', 'zfec'),
+ ('Twisted', 'twisted'),
+ ('Nevow', 'nevow'),
+ ('zope.interface', 'zope.interface'),
+ ('python', None),
+ ('platform', None),
+ ('pyOpenSSL', 'OpenSSL'),
+ ('simplejson', 'simplejson'),
+ ('pycrypto', 'Crypto'),
+ ('pyasn1', 'pyasn1'),
+ ('mock', 'mock'),
+]
+
+def require_more():
+ import platform, sys
+
+ if platform.machine().lower() in ['i386', 'x86_64', 'amd64', 'x86', '']:
+ # 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:
- if sys.version_info < (2, 4, 4) or sys.version_info[0] > 2:
- raise NotImplementedError("Tahoe-LAFS current requires Python v2.4.4 or greater "
- "for a non-UCS-2 build (but less than v3), not %r" %
- (sys.version_info,))
-
-def require_auto_deps():
- """
- The purpose of this function is to raise a pkg_resources exception if any of the
- requirements can't be imported. This is just to give earlier and more explicit error
- messages, as opposed to waiting until the source code tries to import some module from one
- of these packages and gets an ImportError. This function gets called from
- src/allmydata/__init__.py .
- """
- require_python_version()
-
- import pkg_resources
- for requirement in install_requires:
- try:
- pkg_resources.require(requirement)
- except pkg_resources.DistributionNotFound:
- # there is no .egg-info present for this requirement, which
- # either means that it isn't installed, or it is installed in a
- # way that pkg_resources can't find it (but regular python
- # might). There are several older Linux distributions which
- # provide our dependencies just fine, but they don't ship
- # .egg-info files. Note that if there *is* an .egg-info file,
- # but it shows a too-old version, then we'll get a
- # VersionConflict error instead of DistributionNotFound.
- pass
+ # pycryptopp v0.5.13 had a new bundled version of Crypto++
+ # (v5.6.0) and a new bundled version of setuptools (although that
+ # shouldn't make any difference to users of pycryptopp).
+ install_requires.append("pycryptopp >= 0.5.14")
+
+ # Sqlite comes built into Python >= 2.5, and is provided by the "pysqlite"
+ # distribution for Python 2.4.
+ try:
+ import sqlite3
+ sqlite3 # hush pyflakes
+ package_imports.append(('sqlite3', 'sqlite3'))
+ except ImportError:
+ # pysqlite v2.0.5 was shipped in Ubuntu 6.06 LTS "dapper" and Nexenta NCP 1.
+ install_requires.append("pysqlite >= 2.0.5")
+ package_imports.append(('pysqlite', 'pysqlite.dbapi2'))
+
+ if not hasattr(sys, 'frozen'):
+ # we require newer versions of setuptools (actually
+ # zetuptoolz) to build, but can handle older versions to run
+ install_requires.append("setuptools >= 0.6c6")
+ package_imports.append(('setuptools', 'setuptools'))
+
+require_more()
+
+deprecation_messages = [
+ "the sha module is deprecated; use the hashlib module instead",
+ "object.__new__\(\) takes no parameters",
+ "The popen2 module is deprecated. Use the subprocess module.",
+ "the md5 module is deprecated; use hashlib instead",
+ "twisted.web.error.NoResource is deprecated since Twisted 9.0. See twisted.web.resource.NoResource.",
+ "the sets module is deprecated",
+]
+
+deprecation_imports = [
+ 'nevow',
+ 'twisted.persisted.sob',
+ 'twisted.python.filepath',
+ 'Crypto.Hash.SHA',
+]
--- /dev/null
+
+from twisted.trial import unittest
+
+from allmydata import check_requirement, PackagingError
+from allmydata.util.verlib import NormalizedVersion as V, \
+ IrrationalVersionError, \
+ suggest_normalized_version as suggest
+
+
+class CheckRequirement(unittest.TestCase):
+ def test_check_requirement(self):
+ check_requirement("setuptools >= 0.6c6", {"setuptools": ("0.6", "")})
+ check_requirement("pycrypto == 2.0.1, == 2.1, >= 2.3", {"pycrypto": ("2.1.0", "")})
+ check_requirement("pycrypto == 2.0.1, == 2.1, >= 2.3", {"pycrypto": ("2.4.0", "")})
+
+ check_requirement("zope.interface", {"zope.interface": ("unknown", "")})
+ check_requirement("mock", {"mock": ("0.6.0", "")})
+ check_requirement("foo >= 1.0", {"foo": ("1.0", ""), "bar": ("2.0", "")})
+
+ check_requirement("foolscap[secure_connections] >= 0.6.0", {"foolscap": ("0.7.0", "")})
+
+ self.failUnlessRaises(PackagingError, check_requirement,
+ "foolscap[secure_connections] >= 0.6.0", {"foolscap": ("0.5.1", "")})
+ self.failUnlessRaises(PackagingError, check_requirement,
+ "pycrypto == 2.0.1, == 2.1, >= 2.3", {"pycrypto": ("2.2.0", "")})
+ self.failUnlessRaises(PackagingError, check_requirement,
+ "foo >= 1.0", {})
+
+
+# based on https://bitbucket.org/tarek/distutilsversion/src/17df9a7d96ef/test_verlib.py
+
+class VersionTestCase(unittest.TestCase):
+ versions = ((V('1.0'), '1.0'),
+ (V('1.1'), '1.1'),
+ (V('1.2.3'), '1.2.3'),
+ (V('1.2'), '1.2'),
+ (V('1.2.3a4'), '1.2.3a4'),
+ (V('1.2c4'), '1.2c4'),
+ (V('1.2.3.4'), '1.2.3.4'),
+ (V('1.2.3.4.0b3'), '1.2.3.4b3'),
+ (V('1.2.0.0.0'), '1.2'),
+ (V('1.0.dev345'), '1.0.dev345'),
+ (V('1.0.post456.dev623'), '1.0.post456.dev623'))
+
+ def test_basic_versions(self):
+ for v, s in self.versions:
+ self.failUnlessEqual(str(v), s)
+
+ def test_from_parts(self):
+ for v, s in self.versions:
+ parts = v.parts
+ v2 = V.from_parts(*parts)
+ self.failUnlessEqual(v, v2)
+ self.failUnlessEqual(str(v), str(v2))
+
+ def test_irrational_versions(self):
+ irrational = ('1', '1.2a', '1.2.3b', '1.02', '1.2a03',
+ '1.2a3.04', '1.2.dev.2', '1.2dev', '1.2.dev',
+ '1.2.dev2.post2', '1.2.post2.dev3.post4')
+
+ for s in irrational:
+ self.failUnlessRaises(IrrationalVersionError, V, s)
+
+ def test_comparison(self):
+ self.failUnlessRaises(TypeError, lambda: V('1.2.0') == '1.2')
+
+ self.failUnlessEqual(V('1.2.0'), V('1.2'))
+ self.failIfEqual(V('1.2.0'), V('1.2.3'))
+ self.failUnless(V('1.2.0') < V('1.2.3'))
+ self.failUnless(V('1.0') > V('1.0b2'))
+ self.failUnless(V('1.0') > V('1.0c2') > V('1.0c1') > V('1.0b2') > V('1.0b1')
+ > V('1.0a2') > V('1.0a1'))
+ self.failUnless(V('1.0.0') > V('1.0.0c2') > V('1.0.0c1') > V('1.0.0b2') > V('1.0.0b1')
+ > V('1.0.0a2') > V('1.0.0a1'))
+
+ self.failUnless(V('1.0') < V('1.0.post456.dev623'))
+ self.failUnless(V('1.0.post456.dev623') < V('1.0.post456') < V('1.0.post1234'))
+
+ self.failUnless(V('1.0a1')
+ < V('1.0a2.dev456')
+ < V('1.0a2')
+ < V('1.0a2.1.dev456') # e.g. need to do a quick post release on 1.0a2
+ < V('1.0a2.1')
+ < V('1.0b1.dev456')
+ < V('1.0b2')
+ < V('1.0c1')
+ < V('1.0c2.dev456')
+ < V('1.0c2')
+ < V('1.0.dev7')
+ < V('1.0.dev18')
+ < V('1.0.dev456')
+ < V('1.0.dev1234')
+ < V('1.0')
+ < V('1.0.post456.dev623') # development version of a post release
+ < V('1.0.post456'))
+
+ def test_suggest_normalized_version(self):
+ self.failUnlessEqual(suggest('1.0'), '1.0')
+ self.failUnlessEqual(suggest('1.0-alpha1'), '1.0a1')
+ self.failUnlessEqual(suggest('1.0c2'), '1.0c2')
+ self.failUnlessEqual(suggest('walla walla washington'), None)
+ self.failUnlessEqual(suggest('2.4c1'), '2.4c1')
+
+ # from setuptools
+ self.failUnlessEqual(suggest('0.4a1.r10'), '0.4a1.post10')
+ self.failUnlessEqual(suggest('0.7a1dev-r66608'), '0.7a1.dev66608')
+ self.failUnlessEqual(suggest('0.6a9.dev-r41475'), '0.6a9.dev41475')
+ self.failUnlessEqual(suggest('2.4preview1'), '2.4c1')
+ self.failUnlessEqual(suggest('2.4pre1') , '2.4c1')
+ self.failUnlessEqual(suggest('2.1-rc2'), '2.1c2')
+
+ # from pypi
+ self.failUnlessEqual(suggest('0.1dev'), '0.1.dev0')
+ self.failUnlessEqual(suggest('0.1.dev'), '0.1.dev0')
+
+ # we want to be able to parse Twisted
+ # development versions are like post releases in Twisted
+ self.failUnlessEqual(suggest('9.0.0+r2363'), '9.0.0.post2363')
+
+ # pre-releases are using markers like "pre1"
+ self.failUnlessEqual(suggest('9.0.0pre1'), '9.0.0c1')
+
+ # we want to be able to parse Tcl-TK
+ # they us "p1" "p2" for post releases
+ self.failUnlessEqual(suggest('1.4p1'), '1.4.post1')
+
+ # from darcsver
+ self.failUnlessEqual(suggest('1.8.1-r4956'), '1.8.1.post4956')
+
+ # zetuptoolz
+ self.failUnlessEqual(suggest('0.6c16dev3'), '0.6c16.dev3')
projects / tahoe-lafs / tahoe-lafs.git / commitdiff