67 lines
2.1 KiB
Python

import functools
import logging
import pathlib
import shutil
from blender_asset_tracer import tracer
from blender_asset_tracer.cli import common
log = logging.getLogger(__name__)
class Packer:
def __init__(self,
blendfile: pathlib.Path,
project: pathlib.Path,
target: pathlib.Path,
noop: bool):
self.blendfile = blendfile
self.project = project
self.target = target
self.noop = noop
self._already_copied = set()
self._shorten = functools.partial(common.shorten, self.project)
if noop:
log.warning('Running in no-op mode, only showing what will be done.')
def investigate(self):
pass
def pack(self):
for usage in tracer.deps(self.blendfile):
if usage.asset_path.is_absolute():
raise NotImplementedError('Sorry, cannot handle absolute paths yet: %s' % usage)
for assetpath in usage.files():
self._copy_to_target(assetpath)
log.info('Copied %d files to %s', len(self._already_copied), self.target)
def _copy_to_target(self, assetpath: pathlib.Path):
try:
assetpath = assetpath.resolve()
except FileNotFoundError:
log.error('Dependency %s does not exist', assetpath)
if assetpath in self._already_copied:
log.debug('Already copied %s', assetpath)
return
self._already_copied.add(assetpath)
relpath = self._shorten(assetpath)
if relpath.is_absolute():
raise NotImplementedError(
'Sorry, cannot handle paths outside project directory yet: %s is not in %s'
% (relpath, self.project))
full_target = self.target / relpath
full_target.parent.mkdir(parents=True, exist_ok=True)
if self.noop:
print('%s%s' % (assetpath, full_target))
else:
print(relpath)
# TODO(Sybren): when we target Py 3.6+, remove the str() calls.
shutil.copyfile(str(assetpath), str(full_target))