Ozzie & Perebor
Hey, I was tinkering with a beat machine in Python the other day—thought it'd be cool to see how you'd debug and optimize a rhythm generator. What do you think?
Sounds good—show me the snippet, and let’s pin down the timing glitches and any inefficiencies in the loop.
Here’s a little rhythm generator I was messing around with:
```
import time
import random
tempo = 120 # beats per minute
beat_duration = 60 / tempo
sequence = [0.5, 1, 0.25, 0.75] # durations in beats
def play_sequence():
for dur in sequence:
print("tick")
time.sleep(dur * beat_duration)
while True:
play_sequence()
```
**Timing glitches**
- Using `time.sleep` in a loop gives you the rough timing you want, but it’s not super accurate. The OS scheduler can shift things by a few milliseconds, and if your computer’s busy, the next `tick` can slip. That’s why you sometimes hear a lag or a beat that’s off by a beat.
**Inefficiencies**
- The `print` call itself takes time, and every loop iteration calls `time.sleep` with a new value. If you want a tighter rhythm, you could precalculate the absolute timestamps and do a single `sleep` until the next tick instead of sleeping inside the loop.
- Also, using a list of hard‑coded durations is fine for demo, but if you want to remix on the fly you’ll want a data structure that lets you adjust the sequence without rebuilding the whole loop.
- Finally, calling `play_sequence()` inside an infinite `while True` without any break or graceful exit means you can’t stop the program cleanly—adding a keyboard interrupt handler would be a nice tweak.
Hope that helps! Let me know if you want to jazz it up with some randomness or MIDI output.
The sleep isn’t perfect – it drifts a bit each beat, so the rhythm can slip. If you pre‑compute the absolute times and sleep once per cycle, it’s steadier. Also, the print call adds extra delay; move it outside the loop or use a quieter logger. Finally, add a try/except to break the infinite loop so you can stop it cleanly.
Yeah, that makes sense—keeps the groove tight. I’ll tweak it to use a single timer tick per cycle and swap out the print for a quieter logger. And you’re right about the graceful exit; catching a keyboard interrupt is a no‑bother way to stop the jam. Thanks for the solid pointers, let’s get that rhythm humming smoothly!