fix: change default of igraph_empty() directedness to false

Author: ntamas

src/codegen/functions.yaml

@@ -29,6 +29,11 @@ igraph_get_shortest_path_astar:
   # igraph_astar_heuristic_func_t not handled yet
   IGNORE: PythonCTypes, PythonCTypesTypedWrapper
 
+igraph_empty:
+  # Changed the default value of 'directed' to false. Can be removed when
+  # the main igraph repo also changes the default
+  PARAMS: OUT GRAPH graph, INTEGER n=0, BOOLEAN directed=False
+
 igraph_empty_attrs:
   # Not needed at all
   IGNORE: PythonCTypes, PythonCTypesTypedWrapper

src/igraph_ctypes/_internal/functions.py

@@ -36,12 +36,15 @@
 # The rest of this file is generated by Stimulus
 
 
-def empty(n: int = 0, directed: bool = True) -> Graph:
+def empty(n: int = 0, directed: bool = False) -> Graph:
     """Creates an empty graph with the given number of vertices.
 
     Parameters:
         n: the number of vertices
         directed: whether the graph is directed
+
+    Returns:
+        the newly created graph
     """
     # Prepare input arguments
     c_graph = _Graph()
@@ -338,7 +341,16 @@ def is_same_graph(graph1: Graph, graph2: Graph) -> bool:
 
 
 def create(edges: Iterable[int], n: int = 0, directed: bool = True) -> Graph:
-    """Type-annotated wrapper for ``igraph_create``."""
+    """Creates a graph from the given edge list.
+
+    Parameters:
+        edges: the list of edges in the graph
+        n: the number of vertices in the graph if it cannot be inferred from
+            the maximum edge ID in the edge list
+
+    Returns:
+        the newly created graph
+    """
     # Prepare input arguments
     c_graph = _Graph()
     c_edges = iterable_to_igraph_vector_int_t_view(edges)