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# Copyright (C) 2005 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Export a Tree to a non-versioned directory.
"""
import os
import stat
import zipfile
from bzrlib import (
osutils,
)
from bzrlib.trace import mutter
# Windows expects this bit to be set in the 'external_attr' section
# Or it won't consider the entry a directory
ZIP_DIRECTORY_BIT = (1 << 4)
_FILE_ATTR = stat.S_IFREG
_DIR_ATTR = stat.S_IFDIR | ZIP_DIRECTORY_BIT
def zip_exporter(tree, dest, root):
""" Export this tree to a new zip file.
`dest` will be created holding the contents of this tree; if it
already exists, it will be overwritten".
"""
import time
now = time.localtime()[:6]
mutter('export version %r', tree)
compression = zipfile.ZIP_DEFLATED
zipf = zipfile.ZipFile(dest, "w", compression)
inv = tree.inventory
try:
entries = inv.iter_entries()
entries.next() # skip root
for dp, ie in entries:
# .bzrignore has no meaning outside of a working tree
# so do not export it
if dp == ".bzrignore":
continue
file_id = ie.file_id
mutter(" export {%s} kind %s to %s", file_id, ie.kind, dest)
# zipfile.ZipFile switches all paths to forward
# slashes anyway, so just stick with that.
filename = osutils.pathjoin(root, dp).encode('utf8')
if ie.kind == "file":
zinfo = zipfile.ZipInfo(
filename=filename,
date_time=now)
zinfo.compress_type = compression
zinfo.external_attr = _FILE_ATTR
zipf.writestr(zinfo, tree.get_file_text(file_id))
elif ie.kind == "directory":
# Directories must contain a trailing slash, to indicate
# to the zip routine that they are really directories and
# not just empty files.
zinfo = zipfile.ZipInfo(
filename=filename + '/',
date_time=now)
zinfo.compress_type = compression
zinfo.external_attr = _DIR_ATTR
zipf.writestr(zinfo,'')
elif ie.kind == "symlink":
zinfo = zipfile.ZipInfo(
filename=(filename + '.lnk'),
date_time=now)
zinfo.compress_type = compression
zinfo.external_attr = _FILE_ATTR
zipf.writestr(zinfo, ie.symlink_target)
zipf.close()
except UnicodeEncodeError:
zipf.close()
os.remove(dest)
from bzrlib.errors import BzrError
raise BzrError("Can't export non-ascii filenames to zip")
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