blender_asset_tracer/cli/pack.py

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2021-10-18 15:54:04 +02:00
# ***** BEGIN GPL LICENSE BLOCK *****
#
# 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.
#
# ***** END GPL LICENCE BLOCK *****
#
# (c) 2018, Blender Foundation - Sybren A. Stüvel
"""Create a BAT-pack for the given blend file."""
import logging
import pathlib
import sys
import typing
import blender_asset_tracer.pack.transfer
from blender_asset_tracer import pack, bpathlib
log = logging.getLogger(__name__)
def add_parser(subparsers):
"""Add argparser for this subcommand."""
parser = subparsers.add_parser('pack', help=__doc__)
parser.set_defaults(func=cli_pack)
parser.add_argument('blendfile', type=pathlib.Path,
help='The Blend file to pack.')
parser.add_argument('target', type=str,
help="The target can be a directory, a ZIP file (does not have to exist "
"yet, just use 'something.zip' as target), "
"or a URL of S3 storage (s3://endpoint/path) "
"or Shaman storage (shaman://endpoint/#checkoutID).")
parser.add_argument('-p', '--project', type=pathlib.Path,
help='Root directory of your project. Paths to below this directory are '
'kept in the BAT Pack as well, whereas references to assets from '
'outside this directory will have to be rewitten. The blend file MUST '
'be inside the project directory. If this option is ommitted, the '
'directory containing the blend file is taken as the project '
'directoy.')
parser.add_argument('-n', '--noop', default=False, action='store_true',
help="Don't copy files, just show what would be done.")
parser.add_argument('-e', '--exclude', nargs='*', default='',
help="Space-separated list of glob patterns (like '*.abc *.vbo') to "
"exclude.")
parser.add_argument('-c', '--compress', default=False, action='store_true',
help='Compress blend files while copying. This option is only valid when '
'packing into a directory (contrary to ZIP file or S3 upload). '
'Note that files will NOT be compressed when the destination file '
'already exists and has the same size as the original file.')
parser.add_argument('-r', '--relative-only', default=False, action='store_true',
help='Only pack assets that are referred to with a relative path (e.g. '
'starting with `//`.')
def cli_pack(args):
bpath, ppath, tpath = paths_from_cli(args)
with create_packer(args, bpath, ppath, tpath) as packer:
packer.strategise()
try:
packer.execute()
except blender_asset_tracer.pack.transfer.FileTransferError as ex:
log.error("%d files couldn't be copied, starting with %s",
len(ex.files_remaining), ex.files_remaining[0])
raise SystemExit(1)
def create_packer(args, bpath: pathlib.Path, ppath: pathlib.Path, target: str) -> pack.Packer:
if target.startswith('s3:/'):
if args.noop:
raise ValueError('S3 uploader does not support no-op.')
if args.compress:
raise ValueError('S3 uploader does not support on-the-fly compression')
if args.relative_only:
raise ValueError('S3 uploader does not support the --relative-only option')
packer = create_s3packer(bpath, ppath, pathlib.PurePosixPath(target))
elif target.startswith('shaman+http:/') or target.startswith('shaman+https:/') \
or target.startswith('shaman:/'):
if args.noop:
raise ValueError('Shaman uploader does not support no-op.')
if args.compress:
raise ValueError('Shaman uploader does not support on-the-fly compression')
if args.relative_only:
raise ValueError('Shaman uploader does not support the --relative-only option')
packer = create_shamanpacker(bpath, ppath, target)
elif target.lower().endswith('.zip'):
from blender_asset_tracer.pack import zipped
if args.compress:
raise ValueError('ZIP packer does not support on-the-fly compression')
packer = zipped.ZipPacker(bpath, ppath, target, noop=args.noop,
relative_only=args.relative_only)
else:
packer = pack.Packer(bpath, ppath, target, noop=args.noop,
compress=args.compress, relative_only=args.relative_only)
if args.exclude:
# args.exclude is a list, due to nargs='*', so we have to split and flatten.
globs = [glob
for globs in args.exclude
for glob in globs.split()]
log.info('Excluding: %s', ', '.join(repr(g) for g in globs))
packer.exclude(*globs)
return packer
def create_s3packer(bpath, ppath, tpath) -> pack.Packer:
from blender_asset_tracer.pack import s3
# Split the target path into 's3:/', hostname, and actual target path
parts = tpath.parts
endpoint = 'https://%s/' % parts[1]
tpath = pathlib.Path(*tpath.parts[2:])
log.info('Uploading to S3-compatible storage %s at %s', endpoint, tpath)
return s3.S3Packer(bpath, ppath, tpath, endpoint=endpoint)
def create_shamanpacker(bpath: pathlib.Path, ppath: pathlib.Path, tpath: str) -> pack.Packer:
"""Creates a package for sending files to a Shaman server.
URLs should have the form:
shaman://hostname/base/url#jobID
This uses HTTPS to connect to the server. To connect using HTTP, use:
shaman+http://hostname/base-url#jobID
"""
from blender_asset_tracer.pack import shaman
endpoint, checkout_id = shaman.parse_endpoint(tpath)
if not checkout_id:
log.warning('No checkout ID given on the URL. Going to send BAT pack to Shaman, '
'but NOT creating a checkout')
log.info('Uploading to Shaman server %s with job %s', endpoint, checkout_id)
return shaman.ShamanPacker(bpath, ppath, '/', endpoint=endpoint, checkout_id=checkout_id)
def paths_from_cli(args) -> typing.Tuple[pathlib.Path, pathlib.Path, str]:
"""Return paths to blendfile, project, and pack target.
Calls sys.exit() if anything is wrong.
"""
bpath = args.blendfile
if not bpath.exists():
log.critical('File %s does not exist', bpath)
sys.exit(3)
if bpath.is_dir():
log.critical('%s is a directory, should be a blend file')
sys.exit(3)
bpath = bpathlib.make_absolute(bpath)
tpath = args.target
if args.project is None:
ppath = bpathlib.make_absolute(bpath).parent
log.warning('No project path given, using %s', ppath)
else:
ppath = bpathlib.make_absolute(args.project)
if not ppath.exists():
log.critical('Project directory %s does not exist', ppath)
sys.exit(5)
if not ppath.is_dir():
log.warning('Project path %s is not a directory; using the parent %s', ppath, ppath.parent)
ppath = ppath.parent
try:
bpath.relative_to(ppath)
except ValueError:
log.critical('Project directory %s does not contain blend file %s',
args.project, bpath.absolute())
sys.exit(5)
log.info('Blend file to pack: %s', bpath)
log.info('Project path: %s', ppath)
log.info('Pack will be created in: %s', tpath)
return bpath, ppath, tpath