python whisper使用案例
时间: 2023-12-11 13:03:28 浏览: 207
Whisper是一个轻量级的分布式消息系统,可以用于实现实时数据处理和分析。下面是一个使用Whisper的Python案例:
1. 安装Whisper和Graphite
```bash
pip install whisper
pip install graphite-web
```
2. 创建Whisper文件
```python
import whisper
# 创建一个Whisper文件
path = "/path/to/my/metric.wsp"
retention_defs = [(60, 1440), (3600, 168), (86400, 365)]
whisper.create(path, retention_defs)
# 写入数据
timestamp = 1601014800
value = 42
whisper.update(path, value, timestamp)
```
3. 读取数据
```python
import time
import whisper
path = "/path/to/my/metric.wsp"
start_time = int(time.time()) - 3600
end_time = int(time.time())
data = whisper.fetch(path, start_time, end_time)
# 解析数据
for ts, value in zip(data[0], data[1]):
print(ts, value)
```
4. 使用Graphite可视化数据
```python
from graphite.render.grammar import grammar
from graphite.render.evaluator import evaluateTarget
query = 'sumSeries(my.metric)'
start_time = '-1h'
end_time = 'now'
tree = grammar.parse(query)
result = evaluateTarget(tree, start_time, end_time)
# 打印结果
for ts, value in result:
print(ts, value)
```
以上是一个简单的Whisper使用案例,可以用于实现实时数据收集、处理和可视化。
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