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allow taking in nifti file rather than filename #18

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Merged
janfreyberg merged 1 commit into from
Nov 14, 2017
Merged

allow taking in nifti file rather than filename #18

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20 changes: 12 additions & 8 deletions niwidgets/niwidget_volume.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,14 +41,18 @@ def __init__(self, filename):
The path to your ``.nii`` file. Can be a string, or a
``PosixPath`` from python3's pathlib.
"""
self.filename = Path(filename).resolve()
if not os.path.isfile(self.filename):
raise OSError('File ' + self.filename.name + ' not found.')

# load data in advance
# this ensures once the widget is created that the file is of a format
# readable by nibabel
self.data = nib.load(str(self.filename))
if hasattr(filename, 'get_data'):
self.data = filename
else:
filename = Path(filename).resolve()
if not os.path.isfile(filename):
raise OSError('File ' + filename.name + ' not found.')

# load data in advance
# this ensures once the widget is created that the file is of a format
# readable by nibabel
self.data = nib.load(str(filename))

# initialise where the image handles will go
self.image_handles = None

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