MAINT: Renames 'version' table to 'version_info' for clarity

tests/test_assets.py

@@ -1095,7 +1095,7 @@ class TestAssetDBVersioning(TestCase):
 
     def test_check_version(self):
         env = TradingEnvironment(load=noop_load)
-        version_table = env.asset_finder.version
+        version_table = env.asset_finder.version_info
 
         # This should not raise an error
         check_version_info(version_table, ASSET_DB_VERSION)

zipline/assets/asset_writer.py

@@ -34,7 +34,7 @@ SQLITE_MAX_VARIABLE_NUMBER = 999
 AssetData = namedtuple('AssetData', 'equities futures exchanges root_symbols')
 
 # A list of the names of all tables in the assets db
-table_names = ['version', 'equities', 'futures_exchanges',
+table_names = ['version_info', 'equities', 'futures_exchanges',
                'futures_root_symbols', 'futures_contracts', 'asset_router']
 
 # Default values for the equities DataFrame
@@ -221,7 +221,7 @@ def write_version_info(version_table, version_value):
 
 def _version_table_schema(metadata):
     return sa.Table(
-        'version',
+        'version_info',
         metadata,
         sa.Column(
             'id',

zipline/assets/assets.py

@@ -87,7 +87,7 @@ class AssetFinder(object):
             setattr(self, table_name, metadata.tables[table_name])
 
         # Check the version info of the db for compatibility
-        check_version_info(self.version, ASSET_DB_VERSION)
+        check_version_info(self.version_info, ASSET_DB_VERSION)
 
         # Cache for lookup of assets by sid, the objects in the asset lookup
         # may be shared with the results from equity and future lookup caches.