Initial commit

.github/workflows/test.yml

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+name: test
+
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    container: ryuichiueda/ubuntu22.04-ros2:latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run: |
+          apt-get update
+          apt-get install -y python3-pip
+          pip3 install requests
+      - name: build and test
+        env:
+          N2YO_API_KEY: ${{ secrets.N2YO_API_KEY }}
+        run: |
+          rsync -av ./ /root/ros2_ws/src/satellite_position/
+          cd /root/ros2_ws
+          bash -xv ./src/satellite_position/test/test.bash /root

LICENSE

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+Copyright 2025 Junya Wada
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+

README.md

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+

package.xml

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+<?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
+<package format="3">
+  <name>satellite_position</name>
+  <version>0.0.0</version>
+  <description>ROS2 package to fetch satellite position from N2YO API and send it to another program</description>
+  <maintainer email="[email protected]">Junya Wada</maintainer>
+  <license>BSD-3-Clause</license>
+
+  <test_depend>ament_copyright</test_depend>
+  <test_depend>ament_flake8</test_depend>
+  <test_depend>ament_pep257</test_depend>
+  <test_depend>python3-pytest</test_depend>
+
+  <buildtool_depend>ament_cmake</buildtool_depend>
+  <build_depend>rclpy</build_depend>
+  <build_depend>std_msgs</build_depend>
+  <exec_depend>rclpy</exec_depend>
+  <exec_depend>std_msgs</exec_depend>
+
+  <export>
+    <build_type>ament_python</build_type>
+  </export>
+</package>

satellite_position/fetch_position.py

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+#!/usr/bin/python3
+
+# SPDX-FileCopyrightText: 2025 Junya Wada
+# SPDX-License-Identifier: BSD-3-Clause
+
+import os
+import rclpy
+from rclpy.node import Node
+import requests
+from std_msgs.msg import String
+
+class SatellitePositionNode(Node):
+    def __init__(self):
+        super().__init__('satellite_position_node')
+        self.publisher_ = self.create_publisher(String, 'satellite_position', 10)
+        self.timer = self.create_timer(5.0, self.timer_callback)
+        self.api_key = os.getenv('N2YO_API_KEY')
+        self.satellite_id = '25544'
+
+    def timer_callback(self):
+        url = f'https://api.n2yo.com/rest/v1/satellite/positions/{self.satellite_id}/0/0/0/1/&apiKey={self.api_key}'
+        response = requests.get(url)
+        if response.status_code == 200:
+            data = response.json()
+            positions = data.get('positions', [])
+            if positions:
+                position = positions[0]
+                msg = String()
+                msg.data = f"Lat: {position['satlatitude']}, Lon: {position['satlongitude']}, Alt: {position['sataltitude']}"
+                self.publisher_.publish(msg)
+                self.get_logger().info(f'Published satellite position: {msg.data}')
+            else:
+                self.get_logger().error('No position data available')
+        else:
+            self.get_logger().error('Failed to fetch data from N2YO API')
+
+def main(args=None):
+    rclpy.init(args=args)
+    node = SatellitePositionNode()
+    rclpy.spin(node)
+    node.destroy_node()
+    rclpy.shutdown()
+
+if __name__ == '__main__':
+    main()

setup.cfg

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+[develop]
+script-dir=$base/lib/satellite_position
+[install]
+install-scripts=$base/lib/satellite_position

setup.py

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+from setuptools import setup
+
+package_name = 'satellite_position'
+
+setup(
+    name=package_name,
+    version='0.0.0',
+    packages=[package_name],
+    install_requires=['setuptools', 'requests'],
+    zip_safe=True,
+    maintainer='Junya Wada',
+    maintainer_email='[email protected]',
+    description='ROS2 package to fetch satellite position from NASA API and send it to another program',
+    license='BSD-3-Clause',
+    tests_require=['pytest'],
+    entry_points={
+        'console_scripts': [
+            'fetch_position = satellite_position.fetch_position:main',
+        ],
+    },
+)

test/test.bash

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+#!/bin/bash
+
+# SPDX-FileCopyrightText: 2025 Junya Wada
+# SPDX-License-Identifier: BSD-3-Clause
+
+dir=~
+[ "$1" != "" ] && dir="$1"
+
+cd $dir/ros2_ws
+colcon build
+source $dir/.bashrc
+timeout 10 ros2 run satellite_position fetch_position > /tmp/log
+cat /tmp/log |
+grep 'Published satellite position'

test/test_copyright.py

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+# Copyright 2015 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_copyright.main import main
+import pytest
+
+
+@pytest.mark.copyright
+@pytest.mark.linter
+def test_copyright():
+    rc = main(argv=['.', 'test'])
+    assert rc == 0, 'Found errors'

test/test_flake8.py

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+# Copyright 2017 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_flake8.main import main_with_errors
+import pytest
+
+
+@pytest.mark.flake8
+@pytest.mark.linter
+def test_flake8():
+    rc, errors = main_with_errors(argv=[])
+    assert rc == 0, \
+        'Found %d code style errors / warnings:\n' % len(errors) + \
+        '\n'.join(errors)

test/test_pep257.py

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+# Copyright 2015 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ament_pep257.main import main
+import pytest
+
+
+@pytest.mark.linter
+@pytest.mark.pep257
+def test_pep257():
+    rc = main(argv=['.', 'test'])
+    assert rc == 0, 'Found code style errors / warnings'