Merge pull request #925 from pauldmccarthy/rf/detect_igzip_as_compres…

…sed_file_type FIX: Detect IndexedGzipFile as compressed file type
nipy · Jun 26, 2020 · 42c5bd8 · 42c5bd8
2 parents 23de925 + 09e9368
commit 42c5bd8
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/nibabel/openers.py b/nibabel/openers.py
@@ -35,6 +35,9 @@
     del igzip, version
 
 except ImportError:
+    # nibabel.openers.IndexedGzipFile is imported by nibabel.volumeutils
+    # to detect compressed file types, so we give a fallback value here.
+    IndexedGzipFile = gzip.GzipFile
     HAVE_INDEXED_GZIP = False
 
 

diff --git a/nibabel/volumeutils.py b/nibabel/volumeutils.py
@@ -19,7 +19,7 @@
 import numpy as np
 
 from .casting import (shared_range, type_info, OK_FLOATS)
-from .openers import Opener, BZ2File
+from .openers import Opener, BZ2File, IndexedGzipFile
 from .deprecated import deprecate_with_version
 from .externals.oset import OrderedSet
 
@@ -38,7 +38,7 @@
 default_compresslevel = 1
 
 #: file-like classes known to hold compressed data
-COMPRESSED_FILE_LIKES = (gzip.GzipFile, BZ2File)
+COMPRESSED_FILE_LIKES = (gzip.GzipFile, BZ2File, IndexedGzipFile)
 
 
 class Recoder(object):