FIX: Accept mmap keep_file_open for Ecat and Minc, with no effect

Author: effigies

nibabel/ecat.py

@@ -54,6 +54,7 @@
 from .arraywriters import make_array_writer
 from .wrapstruct import WrapStruct
 from .fileslice import canonical_slicers, predict_shape, slice2outax
+from .keywordonly import kw_only_meth
 from .deprecated import deprecate_with_version
 
 BLOCK_SIZE = 512
@@ -873,7 +874,8 @@ def _get_fileholders(file_map):
         return file_map['header'], file_map['image']
 
     @classmethod
-    def from_file_map(klass, file_map):
+    @kw_only_meth(1)
+    def from_file_map(klass, file_map, mmap=True, keep_file_open=None):
         """class method to create image from mapping
         specified in file_map
         """

nibabel/minc1.py

@@ -17,6 +17,7 @@
 from .spatialimages import SpatialHeader, SpatialImage
 from .fileslice import canonical_slicers
 
+from .keywordonly import kw_only_meth
 from .deprecated import FutureWarningMixin
 
 _dt_dict = {
@@ -310,7 +311,9 @@ class Minc1Image(SpatialImage):
     ImageArrayProxy = MincImageArrayProxy
 
     @classmethod
-    def from_file_map(klass, file_map):
+    @kw_only_meth(1)
+    def from_file_map(klass, file_map, mmap=True, keep_file_open=None):
+        # Note that mmap and keep_file_open are included for proper
         with file_map['image'].get_prepare_fileobj() as fobj:
             minc_file = Minc1File(netcdf_file(fobj))
             affine = minc_file.get_affine()

nibabel/minc2.py

@@ -27,6 +27,7 @@
 """
 import numpy as np
 
+from .keywordonly import kw_only_meth
 from .optpkg import optional_package
 h5py, have_h5py, setup_module = optional_package('h5py')
 
@@ -158,7 +159,8 @@ class Minc2Image(Minc1Image):
     header_class = Minc2Header
 
     @classmethod
-    def from_file_map(klass, file_map):
+    @kw_only_meth(1)
+    def from_file_map(klass, file_map, mmap=True, keep_file_open=None):
         holder = file_map['image']
         if holder.filename is None:
             raise MincError('MINC2 needs filename for load')