the ssl module in Python is not available错误解决

时间：2021-11-06 02:58:10

在使用pip安装pymongo的过程中报错，提示如下：

 $ pip3 install pymongo

 pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.

 Collecting pymongo

   Could not fetch URL https://pypi.python.org/simple/pymongo/: There was a problem confirming the ssl certificate: Can't connect to HTTPS URL because the SSL module is not available. - skipping

   Could not find a version that satisfies the requirement pymongo (from versions: )

 No matching distribution found for pymongo

这是由于缺少ssl模块，进入python中验证。

$ python

Python 3.7.0a3 (default, Jan 10 2018, 14:36:35)

[GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>> import ssl

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "/usr/local/lib/python3.7/ssl.py", line 100, in <module>

    import _ssl             # if we can't import it, let the error propagate

ModuleNotFoundError: No module named '_ssl'

>>>

原因找到：缺少openssl-devel包

$ rpm -qa | grep openssl

openssl-1.0.2k-8.el7.x86_64

xmlsec1-openssl-1.2.20-7.el7_4.x86_64

openssl-libs-1.0.2k-8.el7.x86_64

解决方法：

1、安装openssl-devel包

$ sudo yum install -y openssl-devel

2、重新编译安装pyhton

修改Setup配置

$ vi Modules/Setup

找到

# Socket module helper for socket(2)

#_socket socketmodule.c

# Socket module helper for SSL support; you must comment out the other

# socket line above, and possibly edit the SSL variable:

#SSL=/usr/local/ssl

#_ssl _ssl.c \

#       -DUSE_SSL -I$(SSL)/include -I$(SSL)/include/openssl \

#       -L$(SSL)/lib -lssl -lcrypto

改为

# Socket module helper for socket(2)

_socket socketmodule.c

# Socket module helper for SSL support; you must comment out the other

# socket line above, and possibly edit the SSL variable:

#SSL=/usr/local/ssl

_ssl _ssl.c \

        -DUSE_SSL -I$(SSL)/include -I$(SSL)/include/openssl \

        -L$(SSL)/lib -lssl -lcrypto

编译安装

 ./configure &&  sudo make && sudo make install

验证：

$ python

Python 3.7.0a3 (default, Jan 10 2018, 15:13:22)

[GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>> import ssl

>>>

安装pymongo

$ sudo /usr/local/bin/pip3 install pymongo

Collecting pymongo

  Downloading pymongo-3.6..tar.gz (581kB)

    % |████████████████████████████████| 583kB 28kB/s

Installing collected packages: pymongo

  Running setup.py install for pymongo ... done

Successfully installed pymongo-3.6.

安装完成

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