fix CI and make CI job non-interactive

.github/workflows/ci-python.yml

@@ -23,5 +23,8 @@ jobs:
       - uses: actions/setup-python@v2
         with:
           python-version: 3.8.10
-      - name: "Install python dependencies"
-        run: examples/python-dataflow/install.sh
+      - name: "Python Dataflow example"
+        uses: actions-rs/cargo@v1
+        with:
+          command: run
+          args: --example python-dataflow

examples/python-dataflow/dataflow_without_webcam.yml

@@ -1,6 +1,6 @@
 communication:
   zenoh:
-    prefix: /example-python-dataflow
+    prefix: /example-python-no-webcam-dataflow
 
 nodes:
   - id: no_webcam

examples/python-dataflow/no_webcam.py

@@ -8,9 +8,7 @@ import cv2
 import numpy as np
 from dora import Node
 
-req = urllib.request.urlopen(
-    "https://pyimagesearch.com/wp-content/uploads/2015/01/opencv_logo.png"
-)
+req = urllib.request.urlopen("https://ultralytics.com/images/zidane.jpg")
 
 arr = np.asarray(bytearray(req.read()), dtype=np.uint8)
 node = Node()
@@ -21,3 +19,5 @@ while time.time() - start < 20:
     # Wait next input
     node.next()
     node.send_output("image", arr.tobytes())
+
+time.sleep(1)

examples/python-dataflow/object_detection.py

@@ -13,9 +13,7 @@ class DoraStatus(Enum):
 
 class Operator:
     """
-    Example operator incrementing a counter every times its been called.
-
-    The current value of the counter is sent back to dora on `counter`.
+    Infering object from images
     """
 
     def __init__(self):
@@ -27,7 +25,7 @@ class Operator:
         value: bytes,
         send_output: Callable[[str, bytes], None],
     ) -> DoraStatus:
-        """Handle input by incrementing count by one.
+        """Handle image
 
         Args:
             input_id (str): Id of the input declared in the yaml configuration

examples/python-dataflow/plot.py

@@ -1,9 +1,12 @@
+import os
 from enum import Enum
 from typing import Callable
 
 import cv2
 import numpy as np
 
+CI = os.environ.get("CI")
+
 
 class DoraStatus(Enum):
     CONTINUE = 0
@@ -12,9 +15,7 @@ class DoraStatus(Enum):
 
 class Operator:
     """
-    Example operator incrementing a counter every times its been called.
-
-    The current value of the counter is sent back to dora on `counter`.
+    Plot image and bounding box
     """
 
     def __init__(self):
@@ -26,7 +27,8 @@ class Operator:
         value: bytes,
         send_output: Callable[[str, bytes], None],
     ) -> DoraStatus:
-        """Handle input by incrementing count by one.
+        """
+        Put image and bounding box on cv2 window.
 
         Args:
             input_id (str): Id of the input declared in the yaml configuration
@@ -57,9 +59,10 @@ class Operator:
                     (0, 255, 0),
                     2,
                 )
-            cv2.imshow("frame", self.image)
-            if cv2.waitKey(1) & 0xFF == ord("q"):
-                return DoraStatus.STOP
+            if CI != "true":
+                cv2.imshow("frame", self.image)
+                if cv2.waitKey(1) & 0xFF == ord("q"):
+                    return DoraStatus.STOP
 
         return DoraStatus.CONTINUE
 

examples/python-dataflow/run.rs

@@ -1,5 +1,5 @@
 use eyre::{bail, Context};
-use std::path::Path;
+use std::{env, path::Path};
 
 #[tokio::main]
 async fn main() -> eyre::Result<()> {
@@ -11,8 +11,14 @@ async fn main() -> eyre::Result<()> {
 
     install_python_dependencies(root).await?;
 
+    let dataflow = if env::var("CI").is_ok() {
+        Path::new("dataflow_without_webcam.yml").to_owned()
+    } else {
+        Path::new("dataflow.yml").to_owned()
+    };
+
     dora_coordinator::run(dora_coordinator::Command::Run {
-        dataflow: Path::new("dataflow.yml").to_owned(),
+        dataflow,
         runtime: Some(root.join("target").join("release").join("dora-runtime")),
     })
     .await?;