Addition of ER EntityKeyTable and bug fixes (#872)

CHANGELOG.md

@@ -1,5 +1,10 @@
 # HDMF Changelog
 
+## HMDF 3.6.2 (Upcoming)
+
+### New features and minor improvements
+- Updated `ExternalResources` to have EntityKeyTable with updated tests/documentation and minor bug fix to ObjectKeyTable. @mavaylon1 [#872](https://github.com/hdmf-dev/hdmf/pull/872)
+
 ## HMDF 3.6.1 (May 18, 2023)
 
 ### Bug fixes

docs/gallery/plot_external_resources.py

@@ -91,8 +91,8 @@
 from hdmf.common import DynamicTable, VectorData
 from hdmf import Container, ExternalResourcesManager
 from hdmf import Data
-from hdmf.testing import remove_test_file
 import numpy as np
+import os
 # Ignore experimental feature warnings in the tutorial to improve rendering
 import warnings
 warnings.filterwarnings("ignore", category=UserWarning, message="ExternalResources is experimental*")
@@ -306,17 +306,17 @@ def __init__(self, **kwargs):
 ###############################################################################
 # Write ExternalResources
 # ------------------------------------------------------
-# :py:class:`~hdmf.common.resources.ExternalResources` is written as a flattened tsv file.
-# The user provides the path, which contains the name of the file, to where the tsv
-# file will be written.
+# :py:class:`~hdmf.common.resources.ExternalResources` is written as a zip file of
+# the individual tables written to tsv.
+# The user provides the path, which contains the name of the directory.
 
-er.to_flat_tsv(path='./er_example.tsv')
+er.to_norm_tsv(path='./')
 
 ###############################################################################
 # Read ExternalResources
 # ------------------------------------------------------
 # Users can read :py:class:`~hdmf.common.resources.ExternalResources` from the tsv format
-# by providing the path to the file.
+# by providing the path to the directory.
 
-er_read = ExternalResources.from_flat_tsv(path='./er_example.tsv')
-remove_test_file('./er_example.tsv')
+er_read = ExternalResources.from_norm_tsv(path='./')
+os.remove('./er.zip')

src/hdmf/common/io/resources.py

@@ -1,5 +1,5 @@
 from .. import register_map
-from ..resources import ExternalResources, KeyTable, FileTable, ObjectTable, ObjectKeyTable, EntityTable
+from ..resources import ExternalResources, KeyTable, FileTable, ObjectTable, ObjectKeyTable, EntityTable, EntityKeyTable
 from ...build import ObjectMapper
 
 
@@ -38,3 +38,7 @@ def objects(self, builder, manager):
     @ObjectMapper.constructor_arg('object_keys')
     def object_keys(self, builder, manager):
         return self.construct_helper('object_keys', builder, ObjectKeyTable, manager)
+
+    @ObjectMapper.constructor_arg('entity_keys')
+    def entity_keys(self, builder, manager):
+        return self.construct_helper('entity_keys', builder, EntityKeyTable, manager)