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#!/usr/bin/env python
#
# A script for unpacking and installing different historic versions of
# Python in a consistent manner for side-by-side development testing.
#
# This was written for a Linux system (specifically Ubuntu) but should
# be reasonably generic to any POSIX-style system with a /usr/local
# hierarchy.
import getopt
import os
import shutil
import sys
from Command import CommandRunner, Usage
all_versions = [
#'1.5.2', # no longer available at python.org
'2.0.1',
'2.1.3',
'2.2',
'2.3.7',
'2.4.5',
#'2.5.2',
'2.6',
]
def main(argv=None):
if argv is None:
argv = sys.argv
all = False
downloads_dir = 'Downloads'
downloads_url = 'http://www.python.org/ftp/python'
sudo = 'sudo'
prefix = '/usr/local'
short_options = 'ad:hnp:q'
long_options = ['all', 'help', 'no-exec', 'prefix=', 'quiet']
helpstr = """\
sage: installs-scons.py [-ahnq] [-d DIR] [-p PREFIX] [VERSION ...]
-a, --all Install all SCons versions.
-d DIR, --downloads=DIR Downloads directory.
-h, --help Print this help and exit
-n, --no-exec No execute, just print the command line
-p PREFIX, --prefix=PREFIX Installation prefix.
-q, --quiet Quiet, don't print the command line
"""
try:
try:
opts, args = getopt.getopt(argv[1:], short_options, long_options)
except getopt.error, msg:
raise Usage(msg)
for o, a in opts:
if o in ('-a', '--all'):
all = True
elif o in ('-d', '--downloads'):
downloads_dir = a
elif o in ('-h', '--help'):
print helpstr
sys.exit(0)
elif o in ('-n', '--no-exec'):
CommandRunner.execute = CommandRunner.do_not_execute
elif o in ('-p', '--prefix'):
prefix = a
elif o in ('-q', '--quiet'):
CommandRunner.display = CommandRunner.do_not_display
except Usage, err:
sys.stderr.write(str(err.msg) + '\n')
sys.stderr.write('use -h to get help\n')
return 2
if all:
if args:
msg = 'install-scons.py: -a and version arguments both specified'
sys.stderr.write(msg)
sys.exit(1)
args = all_versions
cmd = CommandRunner()
for version in args:
python = 'Python-' + version
tar_gz = os.path.join(downloads_dir, python + '.tgz')
tar_gz_url = os.path.join(downloads_url, version, python + '.tgz')
if (version.startswith('1.5') or
version.startswith('1.6') or
version.startswith('2.0')):
configureflags = '--with-threads'
else:
configureflags = ''
cmd.subst_dictionary(locals())
if not os.path.exists(tar_gz):
if not os.path.exists(downloads_dir):
cmd.run((os.mkdir, downloads_dir),
'mkdir %(downloads_dir)s')
cmd.run('wget -O %(tar_gz)s %(tar_gz_url)s')
cmd.run('tar zxf %(tar_gz)s')
cmd.run((os.chdir, python), 'cd %(python)s')
if (version.startswith('1.6') or
version.startswith('2.0')):
def edit_modules_setup_in():
content = open('Modules/Setup.in', 'r').read()
content = content.replace('\n#zlib', '\nzlib')
open('Modules/Setup.in', 'w').write(content)
display = 'ed Modules/Setup.in <<EOF\ns/^#zlib/zlib/\nw\nq\nEOF\n'
cmd.run((edit_modules_setup_in,), display)
cmd.run('./configure --prefix=%(prefix)s %(configureflags)s 2>&1 | tee configure.out')
cmd.run('make 2>&1 | tee make.out')
cmd.run('%(sudo)s make install')
cmd.run('%(sudo)s rm -f %(prefix)s/bin/{idle,pydoc,python,python-config,smtpd.py}')
cmd.run((os.chdir, '..'), 'cd ..')
cmd.run((shutil.rmtree, python), 'rm -rf %(python)s')
if __name__ == "__main__":
sys.exit(main())
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