Imported Upstream version 1.7.4upstream/1.7.4

1 files changed, 102 insertions, 0 deletions

diff --git a/setup_helper.py b/setup_helper.py
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+++ b/setup_helper.py
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+# Copyright (C) 2003-2007  Robey Pointer <robey@lag.net>
+#
+# This file is part of paramiko.
+#
+# Paramiko is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+
+# Note: Despite the copyright notice, this was submitted by John
+# Arbash Meinel.  Thanks John!
+
+
+"""A small set of helper functions for dealing with setup issues"""
+
+import os
+import tarfile
+
+from distutils import log
+import distutils.archive_util
+from distutils.dir_util import mkpath
+from distutils.spawn import spawn
+
+
+def make_tarball(base_name, base_dir, compress='gzip',
+                 verbose=False, dry_run=False):
+    """Create a tar file from all the files under 'base_dir'.
+    This file may be compressed.
+
+    :param compress: Compression algorithms. Supported algorithms are:
+        'gzip': (the default)
+        'compress'
+        'bzip2'
+        None
+    For 'gzip' and 'bzip2' the internal tarfile module will be used.
+    For 'compress' the .tar will be created using tarfile, and then
+    we will spawn 'compress' afterwards.
+    The output tar file will be named 'base_name' + ".tar", 
+    possibly plus the appropriate compression extension (".gz",
+    ".bz2" or ".Z").  Return the output filename.
+    """
+    # XXX GNU tar 1.13 has a nifty option to add a prefix directory.
+    # It's pretty new, though, so we certainly can't require it --
+    # but it would be nice to take advantage of it to skip the
+    # "create a tree of hardlinks" step!  (Would also be nice to
+    # detect GNU tar to use its 'z' option and save a step.)
+
+    compress_ext = { 'gzip': ".gz",
+                     'bzip2': '.bz2',
+                     'compress': ".Z" }
+
+    # flags for compression program, each element of list will be an argument
+    tarfile_compress_flag = {'gzip':'gz', 'bzip2':'bz2'}
+    compress_flags = {'compress': ["-f"]}
+
+    if compress is not None and compress not in compress_ext.keys():
+        raise ValueError("bad value for 'compress': must be None, 'gzip',"
+                         "'bzip2' or 'compress'")
+
+    archive_name = base_name + ".tar"
+    if compress and compress in tarfile_compress_flag:
+        archive_name += compress_ext[compress]
+
+    mode = 'w:' + tarfile_compress_flag.get(compress, '')
+
+    mkpath(os.path.dirname(archive_name), dry_run=dry_run)
+    log.info('Creating tar file %s with mode %s' % (archive_name, mode))
+
+    if not dry_run:
+        tar = tarfile.open(archive_name, mode=mode)
+        # This recursively adds everything underneath base_dir
+        tar.add(base_dir)
+        tar.close()
+
+    if compress and compress not in tarfile_compress_flag:
+        spawn([compress] + compress_flags[compress] + [archive_name],
+              dry_run=dry_run)
+        return archive_name + compress_ext[compress]
+    else:
+        return archive_name
+
+
+_custom_formats = {
+    'gztar': (make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"),
+    'bztar': (make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"),
+    'ztar':  (make_tarball, [('compress', 'compress')], "compressed tar file"),
+    'tar':   (make_tarball, [('compress', None)], "uncompressed tar file"),
+}
+
+# Hack in and insert ourselves into the distutils code base
+def install_custom_make_tarball():
+    distutils.archive_util.ARCHIVE_FORMATS.update(_custom_formats)
+