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  • Committer: Jelmer Vernooij
  • Date: 2018-05-19 13:16:11 UTC
  • mto: (6968.4.3 git-archive)
  • mto: This revision was merged to the branch mainline in revision 6972.
  • Revision ID: jelmer@jelmer.uk-20180519131611-l9h9ud41j7qg1m03
Move tar/zip to breezy.archive.

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breezy/archive/zip.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Export a Tree to a non-versioned directory.
 
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"""Export a Tree to a zip file.
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"""
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from __future__ import absolute_import
 
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import os
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import stat
 
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import sys
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import time
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import zipfile
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from bzrlib import (
 
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from .. import (
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    osutils,
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    )
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from bzrlib.export import _export_iter_entries
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from bzrlib.filters import (
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    ContentFilterContext,
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    filtered_output_bytes,
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    )
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from bzrlib.trace import mutter
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# Windows expects this bit to be set in the 'external_attr' section
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# Or it won't consider the entry a directory
 
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from ..archive import _export_iter_entries
 
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from ..trace import mutter
 
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# Windows expects this bit to be set in the 'external_attr' section,
 
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# or it won't consider the entry a directory.
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ZIP_DIRECTORY_BIT = (1 << 4)
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FILE_PERMISSIONS = (0644 << 16)
 
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FILE_PERMISSIONS = (0o644 << 16)
 
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DIR_PERMISSIONS = (0o755 << 16)
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_FILE_ATTR = stat.S_IFREG | FILE_PERMISSIONS
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_DIR_ATTR = stat.S_IFDIR | ZIP_DIRECTORY_BIT
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def zip_exporter(tree, dest, root, subdir, filtered=False,
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                 per_file_timestamps=False):
 
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_DIR_ATTR = stat.S_IFDIR | ZIP_DIRECTORY_BIT | DIR_PERMISSIONS
 
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def zip_archive_generator(tree, dest, root, subdir=None,
 
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    force_mtime=None, fileobj=None):
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    """ Export this tree to a new zip file.
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    `dest` will be created holding the contents of this tree; if it
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    already exists, it will be overwritten".
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    """
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    mutter('export version %r', tree)
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    now = time.localtime()[:6]
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    compression = zipfile.ZIP_DEFLATED
 
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    if fileobj is not None:
 
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        dest = fileobj
 
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    elif dest == "-":
 
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        dest = sys.stdout
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    zipf = zipfile.ZipFile(dest, "w", compression)
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    try:
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        for dp, ie in _export_iter_entries(tree, subdir):
 
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        for dp, tp, ie in _export_iter_entries(tree, subdir):
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            file_id = ie.file_id
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            mutter("  export {%s} kind %s to %s", file_id, ie.kind, dest)
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            # zipfile.ZipFile switches all paths to forward
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            # slashes anyway, so just stick with that.
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            if per_file_timestamps:
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                mtime = tree.get_file_mtime(ie.file_id, dp)
 
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            if force_mtime is not None:
 
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                mtime = force_mtime
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            else:
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                mtime = now
 
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                mtime = tree.get_file_mtime(tp, ie.file_id)
 
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            date_time = time.localtime(mtime)[:6]
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            filename = osutils.pathjoin(root, dp).encode('utf8')
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            if ie.kind == "file":
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                zinfo = zipfile.ZipInfo(
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                            filename=filename,
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                            date_time=mtime)
 
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                            date_time=date_time)
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                zinfo.compress_type = compression
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                zinfo.external_attr = _FILE_ATTR
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                if filtered:
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                    chunks = tree.get_file_lines(file_id)
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                    filters = tree._content_filter_stack(dp)
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                    context = ContentFilterContext(dp, tree, ie)
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                    contents = filtered_output_bytes(chunks, filters, context)
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                    content = ''.join(contents)
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                else:
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                    content = tree.get_file_text(file_id)
 
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                content = tree.get_file_text(tp, file_id)
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                zipf.writestr(zinfo, content)
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            elif ie.kind == "directory":
 
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            elif ie.kind in ("directory", "tree-reference"):
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                # Directories must contain a trailing slash, to indicate
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                # to the zip routine that they are really directories and
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                # not just empty files.
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                zinfo = zipfile.ZipInfo(
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                            filename=filename + '/',
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                            date_time=mtime)
 
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                            date_time=date_time)
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                zinfo.compress_type = compression
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                zinfo.external_attr = _DIR_ATTR
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                zipf.writestr(zinfo,'')
 
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                zipf.writestr(zinfo, '')
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            elif ie.kind == "symlink":
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                zinfo = zipfile.ZipInfo(
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                            filename=(filename + '.lnk'),
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                            date_time=mtime)
 
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                            date_time=date_time)
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                zinfo.compress_type = compression
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                zinfo.external_attr = _FILE_ATTR
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                zipf.writestr(zinfo, ie.symlink_target)
 
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                zipf.writestr(zinfo, tree.get_symlink_target(tp, file_id))
 
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            yield
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        zipf.close()
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    except UnicodeEncodeError:
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        zipf.close()
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        os.remove(dest)
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        from bzrlib.errors import BzrError
 
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        from breezy.errors import BzrError
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        raise BzrError("Can't export non-ascii filenames to zip")