'Python 3.6.9 . ImportError: No module named setuptools_rust and a Command "python setup.py egg_info" failed with error code 1

I am trying to install pyOpenSSl and it shows the following error

Requirement already satisfied: six>=1.5.2 in /home/tony/hx-preinstaller-venv/lib/python3.6/site-packages (from pyOpenSSL) Collecting cryptography>=3.3 (from pyOpenSSL) Using cached https://files.pythonhosted.org/packages/cc/98/8a258ab4787e6f835d350639792527d2eb7946ff9fc0caca9c3f4cf5dcfe/cryptography-3.4.8.tar.gz Complete output from command python setup.py egg_info:

        =============================DEBUG ASSISTANCE==========================
        If you are seeing an error here please try the following to
        successfully install cryptography:

        Upgrade to the latest pip and try again. This will fix errors for most
        users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
        =============================DEBUG ASSISTANCE==========================

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/tmp/pip-build-8toyhikv/cryptography/setup.py", line 14, in <module>
    from setuptools_rust import RustExtension
ModuleNotFoundError: No module named 'setuptools_rust'

the command i ran

pip install pyOpenSSL

Thanks in advance

pythonubuntupipsetuptoolspyopenssl


Solution 1:[1]

Try upgrade pip and install setuptools-rust:

pip install --upgrade pip
pip install setuptools-rust

Solution 2:[2]

Have you tried upgrading pip itself first?

pip install --upgrade pip

Solution 3:[3]

I had same issue while using 'scrapy' and following command fixed everything for me:

python3 -m pip install scrapy --upgrade --force --user

Solution 4:[4]

Try installing setuptools_rust first:

pip install setuptools_rust

And then installing pyOpenSSL again

Solution 5:[5]

Use this command if you are on linux
for python3

python3 -m pip install --upgrade pip

for python2

python2 -m pip install --upgrade pip

this worked for me.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Emidio Neto
Solution 2 LTJ
Solution 3 Janib Soomro
Solution 4 Max
Solution 5 Ankit Tiwari

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