Update examples

examples/binder-api.py

@@ -15,16 +15,16 @@
 import requests
 
 
-def build_binder(repo, ref, *, binder_url="https://mybinder.org", no_launch):
+def build_binder(repo, ref, *, binder_url="https://mybinder.org", build_only):
     """Launch a binder
 
     Yields Binder's event-stream events (dicts)
     """
     print(f"Building binder for {repo}@{ref}")
     url = binder_url + f"/build/gh/{repo}/{ref}"
     params = {}
-    if no_launch:
-        params = {"no-launch": "True"}
+    if build_only:
+        params = {"build_only": "true"}
 
     r = requests.get(url, stream=True, params=params)
     r.raise_for_status()
@@ -39,7 +39,7 @@ def build_binder(repo, ref, *, binder_url="https://mybinder.org", no_launch):
     parser.add_argument("repo", type=str, help="The GitHub repo to build")
     parser.add_argument("--ref", default="HEAD", help="The ref of the repo to build")
     parser.add_argument(
-        "--no-launch",
+        "--build-only",
         action="store_true",
         help="When passed, the image will not be launched after build",
     )
@@ -57,7 +57,7 @@ def build_binder(repo, ref, *, binder_url="https://mybinder.org", no_launch):
     opts = parser.parse_args()
 
     for evt in build_binder(
-        opts.repo, ref=opts.ref, binder_url=opts.binder, no_launch=opts.no_launch
+        opts.repo, ref=opts.ref, binder_url=opts.binder, build_only=opts.build_only
     ):
         if "message" in evt:
             print(
@@ -67,7 +67,9 @@ def build_binder(repo, ref, *, binder_url="https://mybinder.org", no_launch):
                 )
             )
         if evt.get("phase") == "ready":
-            if opts.filepath:
+            if opts.build_only:
+                break
+            elif opts.filepath:
                 url = "{url}notebooks/{filepath}?token={token}".format(
                     **evt, filepath=opts.filepath
                 )

testing/local-binder-mocked-hub/binderhub_config.py

@@ -17,7 +17,7 @@
 c.BinderHub.repo_providers = {"gh": FakeProvider}
 c.BinderHub.build_class = FakeBuild
 # Uncomment the following line to enable BinderHub to not launch the image after build
-# c.BinderHub.no_launch = True
+# c.BinderHub.require_build_only = True
 
 c.BinderHub.about_message = "<blink>Hello world.</blink>"
 c.BinderHub.banner_message = 'This is headline <a href="#">news.</a>'