high level: Split single file into multiple

high_level.py becomes high_level/{ml,dataflow,source}.py

Fixes: #1170
Related: #662

CHANGELOG.md

@@ -25,6 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Build docs using `dffml service dev docs`
 - `cached_download/unpack_archive()` are now functions
 - Model `directory` property to `location`
+- `high_level` split into `ml`, `dataflow` & `source` submodules
 ### Fixed
 - Record object key properties are now always strings
 

dffml/__init__.py

@@ -54,12 +54,12 @@ class DuplicateName(Exception):
 
 # If a duplicate name is found, we specify which one to prefer here
 DUPLICATE_PREFER = {
-    "train": "high_level",
-    "predict": "high_level",
-    "accuracy": "high_level",
-    "load": "high_level",
-    "save": "high_level",
-    "run": "high_level",
+    "train": "high_level.ml",
+    "predict": "high_level.ml",
+    "accuracy": "high_level.ml",
+    "load": "high_level.source",
+    "save": "high_level.source",
+    "run": "high_level.dataflow",
     "list_action": "base",
 }
 # List of modules not to expose

dffml/cli/dataflow.py

@@ -28,7 +28,7 @@
 from ..util.cli.parser import ParseInputsAction
 from ..util.crypto import insecure_hash
 from ..base import config, field
-from ..high_level import run as run_dataflow
+from ..high_level.dataflow import run as run_dataflow
 
 
 @config

dffml/cli/ml.py

@@ -3,7 +3,7 @@
 from ..model.model import Model
 from ..source.source import Sources, SubsetSources
 from ..util.cli.cmd import CMD, CMDOutputOverride
-from ..high_level import train, predict, accuracy
+from ..high_level.ml import train, predict, accuracy
 from ..util.config.fields import FIELD_SOURCES
 from ..util.cli.cmds import (
     SourcesCMD,