Loop rate limiters
Simple loop frequency regulators in Python with an API similar to rospy.Rate:
from loop_rate_limiters import RateLimiter
from time import perf_counter
rate = RateLimiter(frequency=400.0)
while True:
print(f"Hello from loop at {perf_counter():.3f} s")
rate.sleep()
A similar AsyncRateLimiter class is available for asynchronous code.
Installation
From conda-forge
conda install -c conda-forge loop-rate-limiters
From PyPI
pip install loop-rate-limiters
Usage
While the example above is synchronous, this library also provides an AsyncRateLimiter class for asyncio:
import asyncio
from loop_rate_limiters import AsyncRateLimiter
async def main():
rate = AsyncRateLimiter(frequency=400.0)
while True:
loop_time = asyncio.get_event_loop().time()
print(f"Hello from loop at {loop_time:.3f} s")
await rate.sleep()
asyncio.run(main())
This can be used when there are several tasks executed in parallel at different frequencies.
See also
- ischedule: single-thread interval scheduler in Python
1 maintainer
Release files for loop-rate-limiters 1.2.0
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Source distribution (sdist)
| File | Size | Uploaded | |
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| loop_rate_limiters-1.2.0.tar.gz | 35.6 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| loop_rate_limiters-1.2.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size:46.5 kB
Release files / loop_rate_limiters-1.2.0.tar.gz
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