REST API: disable /walk

we need to fix T1969 before opening this up, and in most cases what one wants
is really /randomwalk anyway

docs/api.rst

@@ -110,39 +110,39 @@ Neighbors
 Walk
 ----
 
-.. http:get:: /graph/walk/:src/:dst
-
-    Performs a graph traversal and returns the first found path from source to
-    destination (final destination node included).
-
-    :param string src: starting node specified as a SWH PID
-    :param string dst: destination node, either as a node PID or a node type.
-        The traversal will stop at the first node encountered matching the
-        desired destination.
-
-    :query string edges: edges types the traversal can follow; default to
-        ``"*"``
-    :query string traversal: traversal algorithm; can be either ``dfs`` or
-        ``bfs``, default to ``dfs``
-    :query string direction: direction in which graph edges will be followed;
-        can be either ``forward`` or ``backward``, default to ``forward``
-
-    :statuscode 200: success
-    :statuscode 400: invalid query string provided
-    :statuscode 404: starting node cannot be found
-
-    .. sourcecode:: http
-
-        HTTP/1.1 200 OK
-        Content-Type: text/plain
-        Transfer-Encoding: chunked
-
-        swh:1:rev:f39d7d78b70e0f39facb1e4fab77ad3df5c52a35
-        swh:1:rev:52c90f2d32bfa7d6eccd66a56c44ace1f78fbadd
-        swh:1:rev:cea92e843e40452c08ba313abc39f59efbb4c29c
-        swh:1:rev:8d517bdfb57154b8a11d7f1682ecc0f79abf8e02
-        ...
-
+..
+   .. http:get:: /graph/walk/:src/:dst
+
+       Performs a graph traversal and returns the first found path from source to
+       destination (final destination node included).
+
+       :param string src: starting node specified as a SWH PID
+       :param string dst: destination node, either as a node PID or a node type.
+	   The traversal will stop at the first node encountered matching the
+	   desired destination.
+
+       :query string edges: edges types the traversal can follow; default to
+	   ``"*"``
+       :query string traversal: traversal algorithm; can be either ``dfs`` or
+	   ``bfs``, default to ``dfs``
+       :query string direction: direction in which graph edges will be followed;
+	   can be either ``forward`` or ``backward``, default to ``forward``
+
+       :statuscode 200: success
+       :statuscode 400: invalid query string provided
+       :statuscode 404: starting node cannot be found
+
+       .. sourcecode:: http
+
+	   HTTP/1.1 200 OK
+	   Content-Type: text/plain
+	   Transfer-Encoding: chunked
+
+	   swh:1:rev:f39d7d78b70e0f39facb1e4fab77ad3df5c52a35
+	   swh:1:rev:52c90f2d32bfa7d6eccd66a56c44ace1f78fbadd
+	   swh:1:rev:cea92e843e40452c08ba313abc39f59efbb4c29c
+	   swh:1:rev:8d517bdfb57154b8a11d7f1682ecc0f79abf8e02
+	   ...
 
 
 .. http:get:: /graph/randomwalk/:src/:dst

swh/graph/server/app.py

@@ -200,8 +200,11 @@ def make_app(backend, **kwargs):
     app.router.add_get('/graph/visit/nodes/{src}',
                        get_simple_traversal_handler('visit_nodes'))
     app.router.add_get('/graph/visit/paths/{src}', visit_paths)
-    app.router.add_get('/graph/walk/{src}/{dst}',
-                       get_walk_handler(random=False))
+
+    # temporarily disabled in wait of a proper fix for T1969
+    # app.router.add_get('/graph/walk/{src}/{dst}',
+    #                    get_walk_handler(random=False))
+
     app.router.add_get('/graph/randomwalk/{src}/{dst}',
                        get_walk_handler(random=True))