python 故障归纳

2021-03-05

• 错误描述：ModuleNotFoundError: No module named '_sqlite3'

# 当前环境
[root@test ~]# cat /etc/redhat-release 
CentOS Linux release 7.9.2009 (Core)
[root@test ~]# python3 -V
Python 3.7.9
# 报错信息
ModuleNotFoundError: No module named '_sqlite3'

• 原因及解决办法：

[root@test ~]# yum -y install sqlite-devel
# 重新编译python3。步骤请移目另一篇文章：https://www.cnblogs.com/ccbloom/p/11478056.html

 

2021-03-08

• 错误描述：Could not import the lzma module

# 当前环境
[root@test ~]# cat /etc/redhat-release 
CentOS Linux release 7.9.2009 (Core)
[root@test ~]# python3 -V
Python 3.7.9
# 报错信息
[root@test ~]# python3
>>> import pandas
/usr/local/python3/lib/python3.7/site-packages/pandas/compat/__init__.py:97: UserWarning: Could not import the lzma module. Your installed Python is incomplete. Attempting to use lzma compression will result in a RuntimeError.
  warnings.warn(msg)

• 原因及解决办法：

[root@test ~]# yum -y install xz-devel python-backports-lzma
[root@test ~]# pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple backports.lzma
[root@test ~]# cp /usr/local/python3/lib/python3.7/lzma.py{,.bak}
[root@test ~]# vim /usr/local/python3/lib/python3.7/lzma.py
# 找打如下两行
from _lzma import *
from _lzma import _encode_filter_properties, _decode_filter_properties
# 更换为如下
try:
    from _lzma import *
    from _lzma import _encode_filter_properties, _decode_filter_properties
except ImportError:
    from backports.lzma import *
    from backports.lzma import _encode_filter_properties, _decode_filter_properties
# 恢复正常
[root@test ~]# python3
>>> import pandas

 

2021-03-11

• 错误描述：ModuleNotFoundError: No module named '_bz2'

# 当前环境
[root@test ~]# cat /etc/redhat-release 
CentOS Linux release 7.9.2009 (Core)
[root@test ~]# python3 -V
Python 3.7.9
# 报错信息
ModuleNotFoundError: No module named '_bz2'

• 原因及解决办法：

# 下载_bz2.cpython-37m-x86_64-linux-gnu.so文件
## 地址：https://pan.baidu.com/s/1Bp7cnb7knPL9EGQbznN4lA
## 提取码：qnae
# 如果你的python版本是3.6，那就是36m，我的是python3.7，得把文件名改为37m
[root@test ~]# mv _bz2.cpython-36m-x86_64-linux-gnu.so _bz2.cpython-37m-x86_64-linux-gnu.so
[root@test ~]# chmod +x _bz2.cpython-37m-x86_64-linux-gnu.so
[root@test ~]# mv _bz2.cpython-37m-x86_64-linux-gnu.so /usr/local/python3/lib/python3.7/lib-dynload

 

2021-03-15

• 错误描述：升级完pip之后，ModuleNotFoundError: No module named 'pip'

# 当前环境
[root@test ~]# cat /etc/redhat-release 
CentOS Linux release 7.9.2009 (Core)
[root@test ~]# python3 -V
Python 3.7.9
[root@test ~]# pip list
ModuleNotFoundError: No module named 'pip'

• 原因及解决办法：可能是因为你没有按照提示命令去升级pip导致的，使用下列命令恢复，然后使用提示的命令去升级就可以了。

[root@test ~]# python -m ensurepip
[root@test ~]# python -m pip install --upgrade pip

 

2021-03-16

• 错误描述：RuntimeError: Decompression 'SNAPPY' not available

# 当前环境
[root@test ~]# cat /etc/redhat-release 
CentOS Linux release 7.9.2009 (Core)
[root@test ~]# python3 -V
Python 3.7.9
# 报错信息
RuntimeError: Decompression 'SNAPPY' not available.  Options: ['GZIP', 'UNCOMPRESSED']

• 原因及解决办法：

[root@test ~]# pip3 install -i https://mirrors.aliyun.com/pypi/simple/ python-snappy

 

2021-04-02

• 错误描述：ModuleNotFoundError: No module named '_tkinter'

# 当前环境
[root@test ~]# cat /etc/redhat-release 
CentOS Linux release 7.9.2009 (Core)
[root@test ~]# python3 -V
Python 3.7.9
# 报错信息
ModuleNotFoundError: No module named '_tkinter'

• 原因及解决办法：

[root@test ~]# yum -y install tk-devel
# 重新编译python3。步骤请移目另一篇文章：https://www.cnblogs.com/ccbloom/p/11478056.html

 
 

写作不易，转载请注明出处，谢谢~~