1 files changed, 141 insertions, 0 deletions
diff --git a/bin/install_python.py b/bin/install_python.py
new file mode 100644
index 0000000..ca1c8b7
--- /dev/null
+++ b/bin/install_python.py
@@ -0,0 +1,141 @@
+#!/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 = """\
+Usage:  install_python.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 command lines
+  -p PREFIX, --prefix=PREFIX    Installation prefix.
+  -q, --quiet                   Quiet, don't print command lines
+"""
+
+    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('mkdir %(downloads_dir)s')
+            cmd.run('wget -O %(tar_gz)s %(tar_gz_url)s')
+
+        cmd.run('tar zxf %(tar_gz)s')
+
+        cmd.run('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('cd ..')
+
+        cmd.run((shutil.rmtree, python), 'rm -rf %(python)s')
+
+if __name__ == "__main__":
+    sys.exit(main())
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: