Allow file pointers in tileset loaders

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [v1.0.2](https://github.com/higlass/higlass-python/compare/v1.0.2...v1.0.1)
+
+- Calculate file pointer hash for track uids for tileset tracks
+
 ## [v1.0.1](https://github.com/higlass/higlass-python/compare/v1.0.1...v1.0.0)
 
 - Pass kwargs in to Viewconf.widget() so that they can be passed on to the higlass widget and potentially make their way to the higlass component

src/higlass/tilesets.py

@@ -5,6 +5,7 @@
 import pathlib
 import typing
 from dataclasses import dataclass
+from typing import IO, Union
 
 from ._utils import TrackType
 from .api import track
@@ -74,10 +75,14 @@ def remote(uid: str, server: str = "https://higlass.io/api/v1", **kwargs):
 def hash_absolute_filepath_as_default_uid(
     fn: typing.Callable[[str, str], LocalTileset]
 ):
-    def wrapper(filepath: str, uid: None | str = None):
+    def wrapper(filepath: Union[str, IO[bytes]], uid: None | str = None):
         if uid is None:
-            abspath = pathlib.Path(filepath).absolute()
-            uid = hashlib.md5(str(abspath).encode()).hexdigest()
+            if isinstance(filepath, str):
+                abspath = pathlib.Path(filepath).absolute()
+                uid = hashlib.md5(str(abspath).encode()).hexdigest()
+            else:
+                # File-like object likely provided
+                uid = hashlib.md5(str(hash(filepath)).encode()).hexdigest()
         return fn(filepath, uid)
 
     return wrapper
@@ -183,3 +188,6 @@ def bed2ddb(filepath: str, uid: str):
         info=functools.partial(tileset_info, filepath),
         uid=uid,
     )
+
+
+by_filetype = {"cooler": cooler, "bigwig": bigwig}