FIX: Correct order

mne/_fiff/open.py

@@ -137,7 +137,6 @@ def fiff_open(fname, preload=False, verbose=None):
         raise
 
 
-# @profile
 def _fiff_open(fname, fid, preload):
     # do preloading of entire file
     if preload:
@@ -315,7 +314,7 @@ def _show_tree(
         for k, kn, size, pos, type_ in zip(kinds[:-1], kinds[1:], sizes, poss, types):
             if not tag_found and k != tag_id:
                 continue
-            tag = Tag(k, size, 0, -1, pos)
+            tag = Tag(kind=k, type=type_, size=size, next=FIFF.FIFFV_NEXT_NONE, pos=pos)
             if read_limit is None or size <= read_limit:
                 try:
                     tag = read_tag(fid, pos)

mne/_fiff/tag.py

@@ -424,7 +424,7 @@ def _read_julian(fid, tag, shape, rlims):
     _call_dict_names[key] = dtype
 
 
-def read_tag(fid, pos, shape=None, rlims=None, *, advance=True):
+def read_tag(fid, pos, shape=None, rlims=None):
     """Read a Tag from a file at a given position.
 
     Parameters
@@ -441,10 +441,6 @@ def read_tag(fid, pos, shape=None, rlims=None, *, advance=True):
         Note that data are assumed to be stored row-major in the file. Only to
         be used with data stored as a vector (not implemented for matrices
         yet).
-    advance : bool
-        If True (default), advance to next tag position after reading.
-
-        .. versionadded:: 1.7
 
     Returns
     -------

mne/commands/tests/test_commands.py

@@ -43,7 +43,7 @@
     mne_what,
 )
 from mne.datasets import testing
-from mne.io import read_info, read_raw_fif
+from mne.io import read_info, read_raw_fif, show_fiff
 from mne.utils import (
     ArgvSetter,
     _record_warnings,
@@ -100,13 +100,22 @@ def test_compare_fiff():
     check_usage(mne_compare_fiff)
 
 
-def test_show_fiff():
+def test_show_fiff(tmp_path):
     """Test mne compare_fiff."""
     check_usage(mne_show_fiff)
     with ArgvSetter((raw_fname,)):
         mne_show_fiff.run()
     with ArgvSetter((raw_fname, "--tag=102")):
         mne_show_fiff.run()
+    bad_fname = tmp_path / "test_bad_raw.fif"
+    with open(bad_fname, "wb") as fout:
+        with open(raw_fname, "rb") as fin:
+            fout.write(fin.read(100000))
+    with pytest.warns(RuntimeWarning, match="Invalid tag"):
+        lines = show_fiff(str(bad_fname), output=list)
+    last_line = lines[-1]
+    assert ">>>>BAD" in last_line
+    assert "302  = FIFF_EPOCH (734412b >f4)" in last_line
 
 
 @requires_mne