[MLIO] add non-lazy warning

Author: sprenger

neo/io/monkeylogicio.py

@@ -1,6 +1,6 @@
 from neo.io.basefromrawio import BaseFromRaw
 from neo.rawio.monkeylogicrawio import MonkeyLogicRawIO
-
+import warnings
 
 class MonkeyLogicIO(MonkeyLogicRawIO, BaseFromRaw):
 
@@ -13,9 +13,15 @@ def __init__(self, filename):
         MonkeyLogicRawIO.__init__(self, filename)
         BaseFromRaw.__init__(self, filename)
 
-    def __enter__(self):
-        return self
+    def read_block(self, block_index=0, lazy=False,
+                    create_group_across_segment=None,
+                    signal_group_mode=None, load_waveforms=False):
+
+        if lazy:
+            warnings.warn('Lazy loading is not supported by MonkeyLogicIO. '
+                          'Ignoring `lazy=True` parameter.')
 
-    def __exit__(self, *args):
-        self.header = None
-        self.file.close()
+        return BaseFromRaw.read_block(self, block_index=block_index, lazy=False,
+                                      create_group_across_segment=create_group_across_segment,
+                                      signal_group_mode=signal_group_mode,
+                                      load_waveforms=load_waveforms)