improved script for fetching images from routes (#30089)

* easily target desired camera

* easily target desired camera

* cleaner authentication fallback
old-commit-hash: a21437a708

tools/scripts/fetch_image_from_route.py

@@ -2,10 +2,16 @@
 import sys
 
 if len(sys.argv) < 4:
-  print(f"{sys.argv[0]} <route> <segment> <frame number>")
+  print(f"{sys.argv[0]} <route> <segment> <frame number> [front|wide|driver]")
-  print('example: ./fetch_image_from_route.py "02c45f73a2e5c6e9|2020-06-01--18-03-08" 3 500')
+  print('example: ./fetch_image_from_route.py "02c45f73a2e5c6e9|2020-06-01--18-03-08" 3 500 driver')
   exit(0)
 
+cameras = {
+  "front": "cameras",
+  "wide": "ecameras",
+  "driver": "dcameras"
+}
+
 import requests
 from PIL import Image
 from openpilot.tools.lib.auth_config import get_token
@@ -16,22 +22,22 @@ jwt = get_token()
 route = sys.argv[1]
 segment = int(sys.argv[2])
 frame = int(sys.argv[3])
+camera = cameras[sys.argv[4]] if len(sys.argv) > 4 and sys.argv[4] in cameras else "cameras"
 
-url = 'https://api.commadotai.com/v1/route/'+sys.argv[1]+"/files"
+url = f'https://api.commadotai.com/v1/route/{route}/files'
-r = requests.get(url, headers={"Authorization": "JWT "+jwt}, timeout=10)
+r = requests.get(url, headers={"Authorization": f"JWT {jwt}"}, timeout=10)
 assert r.status_code == 200
 print("got api response")
 
-cameras = r.json()['cameras']
+segments = r.json()[camera]
-if segment >= len(cameras):
+if segment >= len(segments):
-  raise Exception("segment %d not found, got %d segments" % (segment, len(cameras)))
+  raise Exception("segment %d not found, got %d segments" % (segment, len(segments)))
 
-fr = FrameReader(cameras[segment])
+fr = FrameReader(segments[segment])
 if frame >= fr.frame_count:
   raise Exception("frame %d not found, got %d frames" % (frame, fr.frame_count))
 
 im = Image.fromarray(fr.get(frame, count=1, pix_fmt="rgb24")[0])
-fn = "uxxx_"+route.replace("|", "_")+"_%d_%d.png" % (segment, frame)
+fn = f"uxxx_{route.replace('|', '_')}_{segment}_{frame}.png"
 im.save(fn)
 print(f"saved {fn}")
-