move execute_graph to different module, uniform with all other ewoks projects

ewokscore/__init__.py

 from .task import Task  # noqa: F401
 from .taskwithprogress import TaskWithProgress  # noqa: F401
 from .graph import load_graph  # noqa: F401
-from .graph import execute_graph  # noqa: F401
+from .bindings import execute_graph  # noqa: F401
 
 __version__ = "0.0.5-alpha"

ewokscore/bindings.py

+from typing import Optional
+from .graph import load_graph
+
+
+def execute_graph(graph, load_options: Optional[dict] = None, **execute_options):
+    """
+    :param graph: graph to be executed
+    :param Optional[dict] load_options: options to provide to the `load_graph` function (and as a consequence to the `TaskGraph.load` as `root_dir`)
+    :param execute_options: options to provide to the Graph.execute function as `varinfo` or `raise_on_error`
+    """
+    if load_options is None:
+        load_options = dict()
+    graph = load_graph(source=graph, **load_options)
+    return graph.execute(**execute_options)

ewokscore/graph.py

@@ -24,18 +24,6 @@ def load_graph(source=None, representation=None, **load_options):
         return TaskGraph(source=source, representation=representation, **load_options)
 
 
-def execute_graph(graph, load_options: Optional[dict] = None, **execute_options):
-    """
-    :param graph: graph to be executed
-    :param Optional[dict] load_options: options to provide to the `load_graph` function (and as a consequence to the `TaskGraph.load` as `root_dir`)
-    :param execute_options: options to provide to the Graph.execute function as `varinfo` or `raise_on_error`
-    """
-    if load_options is None:
-        load_options = dict()
-    graph = load_graph(source=graph, **load_options)
-    return graph.execute(**execute_options)
-
-
 def set_graph_defaults(graph_as_dict):
     graph_as_dict.setdefault("directed", True)
     graph_as_dict.setdefault("nodes", list())