renamed front-end and back-end to back-read and back-write in core

dsi/core.py

@@ -17,7 +17,7 @@ class Terminal():
     An instantiated Terminal is the DSI human/machine interface.
 
     Terminals are a home for Plugins and an interface for Backends. Backends may be
-    front-ends or back-ends. Plugins may be Writers or readers. See documentation
+    back-reads or back-writes. Plugins may be Writers or readers. See documentation
     for more information.
     """
     BACKEND_PREFIX = ['dsi.backends']
@@ -28,7 +28,7 @@ class Terminal():
     VALID_BACKENDS = ['Gufi', 'Sqlite', 'Parquet']
     VALID_MODULES = VALID_PLUGINS + VALID_BACKENDS
     VALID_MODULE_FUNCTIONS = {'plugin': [
-        'writer', 'reader'], 'backend': ['front-end', 'back-end']}
+        'writer', 'reader'], 'backend': ['back-read', 'back-write']}
     VALID_ARTIFACT_INTERACTION_TYPES = ['get', 'set', 'put', 'inspect']
 
     def __init__(self, debug_flag = False):
@@ -235,7 +235,7 @@ def artifact_handler(self, interaction_type, query = None, **kwargs):
         Store or retrieve using all loaded DSI Backends with storage functionality.
 
         A DSI Core Terminal may load zero or more Backends with storage functionality.
-        Calling artifact_handler will execute all back-end functionality currently loaded, given
+        Calling artifact_handler will execute all back-write functionality currently loaded, given
         the provided ``interaction_type``.
         """
         if interaction_type not in self.VALID_ARTIFACT_INTERACTION_TYPES:
@@ -246,7 +246,7 @@ def artifact_handler(self, interaction_type, query = None, **kwargs):
         # Perform artifact movement first, because inspect implementation may rely on
         # self.active_metadata or some stored artifact.
         selected_function_modules = dict(
-            (k, self.active_modules[k]) for k in (['back-end']))
+            (k, self.active_modules[k]) for k in (['back-write']))
         for module_type, objs in selected_function_modules.items():
             for obj in objs:
                 self.logger.info(f"-------------------------------------")
@@ -268,11 +268,7 @@ def artifact_handler(self, interaction_type, query = None, **kwargs):
                     operation_success = True
                     end = datetime.now()
                     self.logger.info(f"Runtime: {end-start}")
-        if interaction_type == 'inspect':
-            for module_type, objs in selected_function_modules.items():
-                for obj in objs:
-                    self.logger.info(f"-------------------------------------")
-                    self.logger.info(obj.__class__.__name__ + f" {module_type} - {interaction_type} the data")
+                elif interaction_type == 'inspect':
                     start = datetime.now()
                     obj.put_artifacts(
                         collection=self.active_metadata, **kwargs)

examples/coreterminal.py

@@ -23,9 +23,9 @@
 # print(a.active_metadata)
 a.load_module('plugin', 'TOML', 'reader', filenames=["data/results.toml"], target_table_prefix = "results")
 # print(a.active_metadata)
-a.load_module('backend','Sqlite','back-end', filename='data/data.db')   
-#a.load_module('backend','Sqlite','back-end', filename='data/data2.db')   
-# a.load_module('backend','Parquet','back-end',filename='./data/bueno.pq')
+a.load_module('backend','Sqlite','back-write', filename='data/data.db')   
+#a.load_module('backend','Sqlite','back-write', filename='data/data2.db')   
+# a.load_module('backend','Parquet','back-write',filename='./data/bueno.pq')
 
 #a.load_module('plugin', "Table_Plot", "writer", table_name = "schema_physics", filename = "schema_physics")
 
@@ -35,12 +35,12 @@
 # {'writer': [<dsi.plugins.env.Hostname object at 0x7f21232474d0>],
 #  'reader': [<dsi.plugins.env.Bueno object at 0x7f2123247410>],
 #  'front-end': [],
-#   'back-end': []}
+#   'back-write': []}
 
 
 # Example use
 # a.load_module('plugin','Bueno','reader',filenames='data/bueno1.data')
-# a.load_module('backend','Sqlite','back-end',filename='data/bueno.db')
+# a.load_module('backend','Sqlite','back-write',filename='data/bueno.db')
 # a.transload()
 # a.artifact_handler(interaction_type='put')
 data = a.artifact_handler(interaction_type='get', query = "SELECT * FROM sqlite_master WHERE type='table';")#, isVerbose = True)