python怎么判断文件是什么编码?
时间: 2024-05-12 15:15:11 浏览: 153
Python可以使用第三方库`chardet`来判断文件的编码格式,它可以自动识别多种编码格式。
安装`chardet`库:
```
pip install chardet
```
判断文件编码的示例代码:
```python
import chardet
# 读取文件二进制数据
with open('file.txt', 'rb') as f:
data = f.read()
# 利用chardet库检测编码格式
result = chardet.detect(data)
print(result['encoding'])
```
`chardet.detect()`函数返回一个字典,其中`encoding`键对应的值表示检测到的编码格式。如果返回值为`None`,则表示无法识别编码格式。
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