A warning is emited during 0.9 lifetime

Author: samuelgarcia

neo/io/axographio.py

@@ -49,6 +49,7 @@ class AxographIO(AxographRawIO, BaseFromRaw):
     description = 'This IO reads .axgd/.axgx files created with AxoGraph'
 
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename='', force_single_segment=False):
         AxographRawIO.__init__(self, filename, force_single_segment)

neo/io/axonio.py

@@ -37,6 +37,7 @@ class AxonIO(AxonRawIO, BaseFromRaw):
 
     """
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename):
         AxonRawIO.__init__(self, filename=filename)

neo/io/basefromrawio.py

@@ -14,6 +14,7 @@
 
 """
 import collections
+import warnings
 import numpy as np
 
 from neo import logging_handler
@@ -68,7 +69,8 @@ class BaseFromRaw(BaseIO):
 
     _prefered_signal_group_mode = 'group-by-same-units'  # 'split-all'
     _prefered_units_group_mode = 'all-in-one'  # 'split-all'
-
+    _default_group_mode_have_change_in_0_9 = False
+    
     def __init__(self, *args, **kargs):
         BaseIO.__init__(self, *args, **kargs)
         self.parse_header()
@@ -100,6 +102,9 @@ def read_block(self, block_index=0, lazy=False, signal_group_mode=None,
 
         if signal_group_mode is None:
             signal_group_mode = self._prefered_signal_group_mode
+            if self._default_group_mode_have_change_in_0_9:
+                warnings.warn('default "signal_group_mode" have change in version 0.9:'
+                        'now all channels are group together in AnalogSignal')
 
         if units_group_mode is None:
             units_group_mode = self._prefered_units_group_mode

neo/io/bci2000io.py

@@ -5,6 +5,7 @@
 class BCI2000IO(BCI2000RawIO, BaseFromRaw):
     """Class for reading data from a BCI2000 .dat file, either version 1.0 or 1.1"""
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename):
         BCI2000RawIO.__init__(self, filename=filename)

neo/io/brainvisionio.py

@@ -5,6 +5,7 @@
 class BrainVisionIO(BrainVisionRawIO, BaseFromRaw):
     """Class for reading data from the BrainVision product."""
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename):
         BrainVisionRawIO.__init__(self, filename=filename)

neo/io/elanio.py

@@ -13,6 +13,7 @@ class ElanIO(ElanRawIO, BaseFromRaw):
     https://elan.lyon.inserm.fr
     """
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename):
         ElanRawIO.__init__(self, filename=filename)

neo/io/neuroexplorerio.py

@@ -5,6 +5,7 @@
 class NeuroExplorerIO(NeuroExplorerRawIO, BaseFromRaw):
     """Class for reading data from NeuroExplorer (.nex)"""
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename):
         NeuroExplorerRawIO.__init__(self, filename=filename)

neo/io/plexonio.py

@@ -14,6 +14,7 @@ class PlexonIO(PlexonRawIO, BaseFromRaw):
     Other versions have not been tested.
     """
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     def __init__(self, filename):
         PlexonRawIO.__init__(self, filename=filename)

neo/io/rawbinarysignalio.py

@@ -41,6 +41,7 @@ class RawBinarySignalIO(RawBinarySignalRawIO, BaseFromRaw):
     """
 
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
 
     is_readable = True
     is_writable = True

neo/io/tdtio.py

@@ -12,6 +12,7 @@ class TdtIO(TdtRawIO, BaseFromRaw):
     Tanks correspond to Neo Blocks and TDT blocks correspond to Neo Segments.
     """
     _prefered_signal_group_mode = 'group-by-same-units'
+    _default_group_mode_have_change_in_0_9 = True
     mode = 'dir'
 
     def __init__(self, dirname):