Added support for uploads to S3 by using the boto3 client.

blender_asset_tracer/cli/pack.py

@@ -30,9 +30,9 @@ def add_parser(subparsers):
 
 def cli_pack(args):
     bpath, ppath, tpath = paths_from_cli(args)
-    packer = pack.Packer(bpath, ppath, tpath, args.noop)
-    packer.strategise()
 
+    packer = create_packer(args, bpath, ppath, tpath)
+    packer.strategise()
     try:
         packer.execute()
     except blender_asset_tracer.pack.transfer.FileTransferError as ex:
@@ -41,6 +41,25 @@ def cli_pack(args):
         raise SystemExit(1)
 
 
+def create_packer(args, bpath: pathlib.Path, ppath: pathlib.Path,
+                  tpath: pathlib.Path) -> pack.Packer:
+    if str(tpath).startswith('s3:/'):
+        if args.noop:
+            raise ValueError('S3 uploader does not support no-op.')
+
+        from blender_asset_tracer.pack import s3
+
+        # Split the target path into 's3:/', hostname, and actual target path
+        parts = tpath.parts
+        endpoint = 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)
+
+    return pack.Packer(bpath, ppath, tpath, args.noop)
+
+
 def paths_from_cli(args) -> typing.Tuple[pathlib.Path, pathlib.Path, pathlib.Path]:
     """Return paths to blendfile, project, and pack target.