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72d5bedf14
tahoe-lafs/setup.py
Itamar Turner-Trauring 72d5bedf14 Depend on newer foolscap.
2021-07-02 10:10:26 -07:00

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#! /usr/bin/env python
# -*- coding: utf-8 -*-
import sys
# Tahoe-LAFS -- secure, distributed storage grid
#
# Copyright © 2006-2012 The Tahoe-LAFS Software Foundation
#
# This file is part of Tahoe-LAFS.
#
# See the docs/about.rst file for licensing information.
import os, subprocess, re
from io import open
basedir = os.path.dirname(os.path.abspath(__file__))
# locate our version number
def read_version_py(infname):
try:
verstrline = open(infname, "rt").read()
except EnvironmentError:
return None
else:
VSRE = r"^verstr = ['\"]([^'\"]*)['\"]"
mo = re.search(VSRE, verstrline, re.M)
if mo:
return mo.group(1)
VERSION_PY_FILENAME = 'src/allmydata/_version.py'
version = read_version_py(VERSION_PY_FILENAME)
install_requires = [
# we don't need much out of setuptools but the version checking stuff
# needs pkg_resources and PEP 440 version specifiers.
"setuptools >= 28.8.0",
"zfec >= 1.1.0",
# zope.interface >= 3.6.0 is required for Twisted >= 12.1.0.
"zope.interface >= 3.6.0",
# * 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 < 0.6.3 is incompatible with Twisted 11.1.0 and newer.
# * foolscap 0.8.0 generates 2048-bit RSA-with-SHA-256 signatures,
# rather than 1024-bit RSA-with-MD5. This also allows us to work
# with a FIPS build of OpenSSL.
# * foolscap >= 0.12.3 provides tcp/tor/i2p connection handlers we need,
# and allocate_tcp_port
# * foolscap >= 0.12.5 has ConnectionInfo and ReconnectionInfo
# * foolscap >= 0.12.6 has an i2p.sam_endpoint() that takes kwargs
# * foolscap 0.13.2 drops i2p support completely
# * foolscap >= 21.7 is necessary for Python 3 with i2p support.
"foolscap == 0.13.1 ; python_version < '3.0'",
"foolscap >= 21.7.0 ; python_version > '3.0'",
# * cryptography 2.6 introduced some ed25519 APIs we rely on. Note that
# Twisted[conch] also depends on cryptography and Twisted[tls]
# transitively depends on cryptography. So it's anyone's guess what
# version of cryptography will *really* be installed.
"cryptography >= 2.6",
# * The SFTP frontend depends on Twisted 11.0.0 to fix the SSH server
# rekeying bug <https://twistedmatrix.com/trac/ticket/4395>
# * The SFTP frontend and manhole depend on the conch extra. However, we
# can't explicitly declare that without an undesirable dependency on gmpy,
# as explained in ticket #2740.
# * Due to a setuptools bug, we need to declare a dependency on the tls
# extra even though we only depend on it via foolscap.
# * Twisted >= 15.1.0 is the first version that provided the [tls] extra.
# * Twisted-16.1.0 fixes https://twistedmatrix.com/trac/ticket/8223,
# which otherwise causes test_system to fail (DirtyReactorError, due to
# leftover timers)
# * Twisted-16.4.0 introduces `python -m twisted.trial` which is needed
# for coverage testing
# * Twisted 16.6.0 drops the undesirable gmpy dependency from the conch
# extra, letting us use that extra instead of trying to duplicate its
# dependencies here. Twisted[conch] >18.7 introduces a dependency on
# bcrypt. It is nice to avoid that if the user ends up with an older
# version of Twisted. That's hard to express except by using the extra.
#
# * Twisted 18.4.0 adds `client` and `host` attributes to `Request` in the
# * initializer, needed by logic in our custom `Request` subclass.
#
# In a perfect world, Twisted[conch] would be a dependency of an "sftp"
# extra. However, pip fails to resolve the dependencies all
# dependencies when asked for Twisted[tls] *and* Twisted[conch].
# Specifically, "Twisted[conch]" (as the later requirement) is ignored.
# If there were an Tahoe-LAFS sftp extra that dependended on
# Twisted[conch] and install_requires only included Twisted[tls] then
# `pip install tahoe-lafs[sftp]` would not install requirements
# specified by Twisted[conch]. Since this would be the *whole point* of
# an sftp extra in Tahoe-LAFS, there is no point in having one.
# * Twisted 19.10 introduces Site.getContentFile which we use to get
# temporary upload files placed into a per-node temporary directory.
"Twisted[tls,conch] >= 19.10.0",
"PyYAML >= 3.11",
"six >= 1.10.0",
# for 'tahoe invite' and 'tahoe join'
"magic-wormhole >= 0.10.2",
# Eliot is contemplating dropping Python 2 support. Stick to a version we
# know works on Python 2.7.
"eliot ~= 1.7 ; python_version < '3.0'",
# On Python 3, we want a new enough version to support custom JSON encoders.
"eliot >= 1.13.0 ; python_version > '3.0'",
# Pyrsistent 0.17.0 (which we use by way of Eliot) has dropped
# Python 2 entirely; stick to the version known to work for us.
# XXX: drop this bound: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3404
"pyrsistent < 0.17.0",
# A great way to define types of values.
# XXX: drop the upper bound: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3390
"attrs >= 18.2.0, < 20",
# WebSocket library for twisted and asyncio
"autobahn >= 19.5.2",
# Support for Python 3 transition
"future >= 0.18.2",
# Discover local network configuration
"netifaces",
# Utility code:
"pyutil >= 3.3.0",
# Linux distribution detection:
"distro >= 1.4.0",
# Backported configparser for Python 2:
"configparser ; python_version < '3.0'",
]
setup_requires = [
'setuptools >= 28.8.0', # for PEP-440 style versions
]
tor_requires = [
# This is exactly what `foolscap[tor]` means but pip resolves the pair of
# dependencies "foolscap[i2p] foolscap[tor]" to "foolscap[i2p]" so we lose
# this if we don't declare it ourselves!
"txtorcon >= 0.17.0",
]
i2p_requires = [
# txi2p has Python 3 support in master branch, but it has not been
# released -- see https://github.com/str4d/txi2p/issues/10. We
# could use a fork for Python 3 until txi2p's maintainers are back
# in action. For Python 2, we could continue using the txi2p
# version about which no one has complained to us so far.
"txi2p; python_version < '3.0'",
"txi2p-tahoe >= 0.3.5; python_version > '3.0'",
]
if len(sys.argv) > 1 and sys.argv[1] == '--fakedependency':
del sys.argv[1]
install_requires += ["fakedependency >= 1.0.0"]
from setuptools import find_packages, setup
from setuptools import Command
from setuptools.command import install
trove_classifiers=[
"Development Status :: 5 - Production/Stable",
"Environment :: Console",
"Environment :: Web Environment",
"License :: OSI Approved :: GNU General Public License (GPL)",
"License :: DFSG approved",
"License :: Other/Proprietary License",
"Intended Audience :: Developers",
"Intended Audience :: End Users/Desktop",
"Intended Audience :: System Administrators",
"Operating System :: Microsoft",
"Operating System :: Microsoft :: Windows",
"Operating System :: Unix",
"Operating System :: POSIX :: Linux",
"Operating System :: POSIX",
"Operating System :: MacOS :: MacOS X",
"Operating System :: OS Independent",
"Natural Language :: English",
"Programming Language :: C",
"Programming Language :: Python",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 2.7",
"Topic :: Utilities",
"Topic :: System :: Systems Administration",
"Topic :: System :: Filesystems",
"Topic :: System :: Distributed Computing",
"Topic :: Software Development :: Libraries",
"Topic :: System :: Archiving :: Backup",
"Topic :: System :: Archiving :: Mirroring",
"Topic :: System :: Archiving",
]
GIT_VERSION_BODY = '''
# This _version.py is generated from git metadata by the tahoe setup.py.
__pkgname__ = "%(pkgname)s"
real_version = "%(version)s"
full_version = "%(full)s"
branch = "%(branch)s"
verstr = "%(normalized)s"
__version__ = verstr
'''
def run_command(args, cwd=None):
use_shell = sys.platform == "win32"
try:
p = subprocess.Popen(args, stdout=subprocess.PIPE, cwd=cwd, shell=use_shell)
except EnvironmentError as e: # if this gives a SyntaxError, note that Tahoe-LAFS requires Python 2.7+
print("Warning: unable to run %r." % (" ".join(args),))
print(e)
return None
stdout = p.communicate()[0].strip()
if p.returncode != 0:
print("Warning: %r returned error code %r." % (" ".join(args), p.returncode))
return None
return stdout
def versions_from_git(tag_prefix):
# This runs 'git' from the directory that contains this file. That either
# means someone ran a setup.py command (and this code is in
# versioneer.py, thus the containing directory is the root of the source
# tree), or someone ran a project-specific entry point (and this code is
# in _version.py, thus the containing directory is somewhere deeper in
# the source tree). This only gets called if the git-archive 'subst'
# variables were *not* expanded, and _version.py hasn't already been
# rewritten with a short version string, meaning we're inside a checked
# out source tree.
# versions_from_git (as copied from python-versioneer) returns strings
# like "1.9.0-25-gb73aba9-dirty", which means we're in a tree with
# uncommited changes (-dirty), the latest checkin is revision b73aba9,
# the most recent tag was 1.9.0, and b73aba9 has 25 commits that weren't
# in 1.9.0 . The narrow-minded NormalizedVersion parser that takes our
# output (meant to enable sorting of version strings) refuses most of
# that. Tahoe uses a function named suggest_normalized_version() that can
# handle "1.9.0.post25", so dumb down our output to match.
try:
source_dir = os.path.dirname(os.path.abspath(__file__))
except NameError as e:
# some py2exe/bbfreeze/non-CPython implementations don't do __file__
print("Warning: unable to find version because we could not obtain the source directory.")
print(e)
return {}
stdout = run_command(["git", "describe", "--tags", "--dirty", "--always"],
cwd=source_dir)
if stdout is None:
# run_command already complained.
return {}
stdout = stdout.decode("ascii")
if not stdout.startswith(tag_prefix):
print("Warning: tag %r doesn't start with prefix %r." % (stdout, tag_prefix))
return {}
version = stdout[len(tag_prefix):]
pieces = version.split("-")
if len(pieces) == 1:
normalized_version = pieces[0]
else:
normalized_version = "%s.post%s" % (pieces[0], pieces[1])
stdout = run_command(["git", "rev-parse", "HEAD"], cwd=source_dir)
if stdout is None:
# run_command already complained.
return {}
full = stdout.decode("ascii").strip()
if version.endswith("-dirty"):
full += "-dirty"
normalized_version += ".dev0"
# Thanks to Jistanidiot at <http://stackoverflow.com/questions/6245570/get-current-branch-name>.
stdout = run_command(["git", "rev-parse", "--abbrev-ref", "HEAD"], cwd=source_dir)
branch = (stdout or b"unknown").decode("ascii").strip()
# this returns native strings (bytes on py2, unicode on py3)
return {"version": version, "normalized": normalized_version,
"full": full, "branch": branch}
# setup.cfg has an [aliases] section which runs "update_version" before many
# commands (like "build" and "sdist") that need to know our package version
# ahead of time. If you add different commands (or if we forgot some), you
# may need to add it to setup.cfg and configure it to run update_version
# before your command.
class UpdateVersion(Command):
description = "update _version.py from revision-control metadata"
user_options = install.install.user_options
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
global version
verstr = version
if os.path.isdir(os.path.join(basedir, ".git")):
verstr = self.try_from_git()
if verstr:
self.distribution.metadata.version = verstr
else:
print("""\
********************************************************************
Warning: no version information found. This may cause tests to fail.
********************************************************************
""")
def try_from_git(self):
# If we change the release tag names, we must change this too
versions = versions_from_git("tahoe-lafs-")
# setup.py might be run by either py2 or py3 (when run by tox, which
# uses py3 on modern debian/ubuntu distros). We want this generated
# file to contain native strings on both (str=bytes in py2,
# str=unicode in py3)
if versions:
body = GIT_VERSION_BODY % {
"pkgname": self.distribution.get_name(),
"version": versions["version"],
"normalized": versions["normalized"],
"full": versions["full"],
"branch": versions["branch"],
}
f = open(VERSION_PY_FILENAME, "wb")
f.write(body.encode("ascii"))
f.close()
print("Wrote normalized version %r into '%s'" % (versions["normalized"], VERSION_PY_FILENAME))
return versions.get("normalized", None)
class PleaseUseTox(Command):
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
print("ERROR: Please use 'tox' to run the test suite.")
sys.exit(1)
setup_args = {}
if version:
setup_args["version"] = version
setup(name="tahoe-lafs", # also set in __init__.py
description='secure, decentralized, fault-tolerant file store',
long_description=open('README.rst', 'r', encoding='utf-8').read(),
author='the Tahoe-LAFS project',
author_email='tahoe-dev@tahoe-lafs.org',
url='https://tahoe-lafs.org/',
license='GNU GPL', # see README.rst -- there is an alternative licence
cmdclass={"update_version": UpdateVersion,
"test": PleaseUseTox,
},
package_dir = {'':'src'},
packages=find_packages('src') + ['allmydata.test.plugins'],
classifiers=trove_classifiers,
# We support Python 2.7, and we're working on support for 3.6 (the
# highest version that PyPy currently supports).
python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*",
install_requires=install_requires,
extras_require={
# Duplicate the Twisted pywin32 dependency here. See
# https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2392 for some
# discussion.
':sys_platform=="win32"': ["pywin32 != 226"],
"test": [
"flake8",
# Pin a specific pyflakes so we don't have different folks
# disagreeing on what is or is not a lint issue. We can bump
# this version from time to time, but we will do it
# intentionally.
"pyflakes == 2.2.0",
"coverage ~= 5.0",
"mock",
"tox",
"pytest",
"pytest-twisted",
# XXX: decorator isn't a direct dependency, but pytest-twisted
# depends on decorator, and decorator 5.x isn't compatible with
# Python 2.7.
"decorator < 5",
"hypothesis >= 3.6.1",
"treq",
"towncrier",
"testtools",
"fixtures",
"beautifulsoup4",
"html5lib",
"junitxml",
"tenacity",
"paramiko",
"pytest-timeout",
] + tor_requires + i2p_requires,
"tor": tor_requires,
"i2p": i2p_requires,
},
package_data={"allmydata.web": ["*.xhtml",
"static/*.js", "static/*.png", "static/*.css",
"static/img/*.png",
"static/css/*.css",
],
"allmydata": ["ported-modules.txt"],
},
include_package_data=True,
setup_requires=setup_requires,
entry_points = { 'console_scripts': [ 'tahoe = allmydata.scripts.runner:run' ] },
**setup_args
)
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