Fix linter errors

Signed-off-by: Evan Flynn <[email protected]>

launch/camera.launch.py

@@ -30,29 +30,27 @@
 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
 
-
 import argparse
 import os
+from pathlib import Path  # noqa: E402
 import sys
 
 # Hack to get relative import of .camera_config file working
 dir_path = os.path.dirname(os.path.realpath(__file__))
 sys.path.append(dir_path)
 
-from pathlib import Path
-
-from launch import LaunchDescription
-from launch_ros.actions import Node
-from launch.actions import GroupAction
+from camera_config import CameraConfig, USB_CAM_DIR  # noqa: E402
 
-from camera_config import CameraConfig, USB_CAM_DIR
+from launch import LaunchDescription  # noqa: E402
+from launch.actions import GroupAction  # noqa: E402
+from launch_ros.actions import Node  # noqa: E402
 
 
 CAMERAS = []
 CAMERAS.append(
     CameraConfig(
-        name="camera1",
-        param_path=Path(USB_CAM_DIR, "config", "params_1.yaml")
+        name='camera1',
+        param_path=Path(USB_CAM_DIR, 'config', 'params_1.yaml')
     )
     # Add more Camera's here and they will automatically be launched below
 )

launch/camera_config.py

@@ -1,36 +1,65 @@
+# Copyright 2023 usb_cam Authors
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright
+#      notice, this list of conditions and the following disclaimer.
+#
+#    * 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.
+#
+#    * Neither the name of the usb_cam Authors 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.
+
+
 from pathlib import Path
 from typing import List, Optional
-from pydantic import BaseModel, root_validator, validator
 
 from ament_index_python.packages import get_package_share_directory
+from pydantic import BaseModel, root_validator, validator
 
 USB_CAM_DIR = get_package_share_directory('usb_cam')
 
 
 class CameraConfig(BaseModel):
-    name: str = "camera1"
-    param_path: Path = Path(USB_CAM_DIR, "config", "params_1.yaml")
+    name: str = 'camera1'
+    param_path: Path = Path(USB_CAM_DIR, 'config', 'params_1.yaml')
     remappings: Optional[List]
     namespace: Optional[str]
 
-    @validator("param_path")
+    @validator('param_path')
     def validate_param_path(cls, value):
         if value and not value.exists():
-            raise FileNotFoundError(f"Could not find parameter file: {value}")
+            raise FileNotFoundError(f'Could not find parameter file: {value}')
         return value
 
     @root_validator
     def validate_root(cls, values):
-        name = values.get("name")
-        remappings = values.get("remappings")
+        name = values.get('name')
+        remappings = values.get('remappings')
         if name and not remappings:
             # Automatically set remappings if name is set
             remappings = [
-                ("image_raw", f"{name}/image_raw"),
-                ("image_raw/compressed", f"{name}/image_compressed"),
-                ("image_raw/compressedDepth", f"{name}/compressedDepth"),
-                ("image_raw/theora", f"{name}/image_raw/theora"),
-                ("camera_info", f"{name}/camera_info"),
+                ('image_raw', f'{name}/image_raw'),
+                ('image_raw/compressed', f'{name}/image_compressed'),
+                ('image_raw/compressedDepth', f'{name}/compressedDepth'),
+                ('image_raw/theora', f'{name}/image_raw/theora'),
+                ('camera_info', f'{name}/camera_info'),
             ]
-        values["remappings"] = remappings
+        values['remappings'] = remappings
         return values