From 3099f2fe5138ea322b3d9b56f76af31a0af7c1aa Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Mon, 20 Jul 2020 16:15:08 +0100
Subject: [PATCH] ENH: new imtest script
---
fsl/scripts/imtest.py | 61 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
create mode 100644 fsl/scripts/imtest.py
diff --git a/fsl/scripts/imtest.py b/fsl/scripts/imtest.py
new file mode 100644
index 000000000..f03c28442
--- /dev/null
+++ b/fsl/scripts/imtest.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+#
+# imtest.py - Test whether an image file exists or not.
+#
+# Author: Paul McCarthy <pauldmccarthy@gmail.com>
+#
+"""The ``imtest`` script can be used to test whether an image file exists or
+not, without having to know the file suffix (.nii, .nii.gz, etc).
+"""
+
+
+import os.path as op
+import sys
+import warnings
+
+import fsl.utils.path as fslpath
+
+# See atlasq.py for explanation
+with warnings.catch_warnings():
+ warnings.filterwarnings("ignore", category=FutureWarning)
+ import fsl.data.image as fslimage
+
+
+ALLOWED_EXTENSIONS = fslimage.ALLOWED_EXTENSIONS + ['.mnc', '.mnc.gz']
+"""List of file extensions that are supported by ``imln``. """
+
+
+def main(argv=None):
+ """Test if an image path exists, and prints ``'1'`` if it does or ``'0'``
+ if it doesn't.
+ """
+
+ if argv is None:
+ argv = sys.argv[1:]
+
+ # emulate old fslio/imtest - always return 0
+ if len(argv) != 1:
+ print('0')
+ return 0
+
+ path = fslpath.removeExt(argv[0], ALLOWED_EXTENSIONS)
+ path = op.realpath(path)
+
+ # getFileGroup will raise an error
+ # if the image (including all
+ # components - i.e. header and
+ # image) does not exist
+ try:
+ fslpath.getFileGroup(path,
+ allowedExts=ALLOWED_EXTENSIONS,
+ fileGroups=fslimage.FILE_GROUPS,
+ unambiguous=True)
+ print('1')
+ except fslpath.PathError:
+ print('0')
+
+ return 0
+
+
+if __name__ == '__main__':
+ sys.exit(main())
--
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