fix: s3 source options and repr (#1024)

* fix s3 source

* rename test

* unused variable

* skip test for CI

* skip test for CI

* Update src/uproot/source/http.py

Co-authored-by: Jim Pivarski <[email protected]>

---------

Co-authored-by: Jim Pivarski <[email protected]>

Author: lobis

src/uproot/source/http.py

@@ -563,6 +563,8 @@ class HTTPSource(uproot.source.chunk.Source):
     ResourceClass = HTTPResource
 
     def __init__(self, file_path: str, **options):
+        options = dict(uproot.reading.open.defaults, **options)
+
         self._num_fallback_workers = options["num_fallback_workers"]
         self._timeout = options["timeout"]
         self._num_requests = 0
@@ -607,7 +609,7 @@ def __repr__(self):
         if len(self._file_path) > 10:
             path = repr("..." + self._file_path[-10:])
         fallback = ""
-        if self._fallback is not None:
+        if getattr(self, "_fallback", None) is not None:
             fallback = " with fallback"
         return f"<{type(self).__name__} {path}{fallback} at 0x{id(self):012x}>"
 
@@ -759,7 +761,7 @@ def _open(self):
             self._executor = uproot.source.futures.ResourceThreadPoolExecutor(
                 [
                     HTTPResource(self._file_path, self._timeout)
-                    for x in range(self._num_workers)
+                    for _ in range(self._num_workers)
                 ]
             )
         else:

src/uproot/source/s3.py

@@ -42,6 +42,7 @@ def __init__(
     ):
         Minio = uproot.extras.Minio_client()
 
+        self._file_path = file_path
         if access_key is None:
             access_key = os.environ.get(
                 "S3_ACCESS_KEY", os.environ.get("AWS_ACCESS_KEY_ID", None)

tests/test_0916-read-from-s3.py renamed to tests/test_0916_read_from_s3.py

@@ -7,19 +7,22 @@
 pytest.importorskip("minio")
 
 
+@pytest.mark.skip("https://github.com/scikit-hep/uproot5/pull/1012")
 @pytest.mark.network
 def test_s3_fail():
-    with pytest.raises(Exception):
-        with uproot.source.http.S3Source(
+    # TODO: fix this! Something not closing properly.
+    with pytest.raises(FileNotFoundError):
+        with uproot.source.s3.S3Source(
             "s3://pivarski-princeton/does-not-exist", timeout=0.1
         ) as source:
-            tobytes(source.chunk(0, 100).raw_data)
+            uproot._util.tobytes(source.chunk(0, 100).raw_data)
 
 
 @pytest.mark.network
 def test_read_s3():
     with uproot.open(
-        "s3://pivarski-princeton/pythia_ppZee_run17emb.picoDst.root:PicoDst"
+        "s3://pivarski-princeton/pythia_ppZee_run17emb.picoDst.root:PicoDst",
+        handler=uproot.source.s3.S3Source,
     ) as f:
         data = f["Event/Event.mEventId"].array(library="np")
         assert len(data) == 8004