Fix bad error code handling

fosdem_video_progress.py

@@ -7,6 +7,7 @@ from datetime import datetime
 from dataclasses import dataclass
 from collections import defaultdict
 from pathlib import Path
+import sys
 
 api_url = r'https://review.video.fosdem.org/api/v1/event/1/overview'
 poll_rate = 10*60 # seconds
@@ -21,7 +22,7 @@ class TimeSeries:
 
 def get_data() -> tuple[datetime, dict[str, int], dict[str, int]]:
 	resp = requests.get(api_url)
-	# TODO: error handling?
+	if resp.status_code != 200: raise RuntimeError(f'bad status code: {resp.status_code}')
 	time = datetime.now().astimezone()
 	data = json.loads(resp.content.decode())
 	states = defaultdict(lambda: 0)
@@ -46,12 +47,16 @@ def main():
 	plt.show(block=False)
 	
 	while True:
-		time, states, jobstates = get_data()
-		print(f'data got at {time}')
-		assert time not in ts.data
-		ts.data[time] = (states, jobstates)
-		ts.states |= states.keys()
-		ts.jobstates |= jobstates.keys()
+		try:
+			time, states, jobstates = get_data()
+			print(f'data got at {time}')
+			assert time not in ts.data
+			ts.data[time] = (states, jobstates)
+			ts.states |= states.keys()
+			ts.jobstates |= jobstates.keys()
+		except RuntimeError as e:
+			print('Could not get/save data.')
+			sys.print_exc()
 
 		# Save the pickle
 		# Should probably save elsewhere and do atomic rename, but whatever.