Summary

The context describes a developer's encounter with an AttributeError involving the ipaddress module when attempting to use Boto3 on Ubuntu running on AWS EC2, which was resolved the following day without intervention.

Abstract

The web content outlines a technical issue faced by a developer, Teri Radichel, while using Boto3, the Amazon Web Services (AWS) SDK for Python, on an Ubuntu instance hosted on AWS EC2. The developer encountered an AttributeError stating that the ipaddress module had no attribute IPv4Address, suggesting a potential mix-up with the IPAddress class. The error occurred during the import of Boto3 in a Python script, which triggered a chain of imports that eventually led to the cryptography library's general_name.py file. Despite attempts to specify the correct ipaddress.py file, the issue persisted. Interestingly, the problem resolved itself by the next day without any action taken by the developer. The content also includes links to related stories, resources for cybersecurity careers, and an invitation to follow the author for updates.

Opinions

The developer expresses frustration with the error, indicated

Error With IPAddresses Trying to use Boto3 on Ubuntu on AWS EC2

AttributeError: module ‘ipaddress’ has no attribute ‘IPv4Address’. Did you mean: ‘IPAddress’?

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UGGGH. What is this.

apt-get install python3-pip

sudo pip install boto3

import boto3 in a py file.

I need to get the program to use this file specifically:

/usr/lib/python3.10/ipaddress.py

Seems to be using a file from some other source.

Now I’m sure this is *NOT* the way you probably should solve this problem but I’m in a hurry. I copied that file into the local directory with the rest of my python files and it works.

Traceback (most recent call last):
 File “/….”, line 2, in <module>
 import boto3
 File “/home/ubuntu/.local/lib/python3.10/site-packages/boto3/__init__.py”, line 17, in <module>
 from boto3.session import Session
 File “/home/ubuntu/.local/lib/python3.10/site-packages/boto3/session.py”, line 17, in <module>
 import botocore.session
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/session.py”, line 26, in <module>
 import botocore.client
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/client.py”, line 15, in <module>
 from botocore import waiter, xform_name
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/waiter.py”, line 18, in <module>
 from botocore.docs.docstring import WaiterDocstring
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/docs/__init__.py”, line 15, in <module>
 from botocore.docs.service import ServiceDocumenter
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/docs/service.py”, line 14, in <module>
 from botocore.docs.client import ClientDocumenter, ClientExceptionsDocumenter
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/docs/client.py”, line 17, in <module>
 from botocore.docs.example import ResponseExampleDocumenter
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/docs/example.py”, line 13, in <module>
 from botocore.docs.shape import ShapeDocumenter
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/docs/shape.py”, line 19, in <module>
 from botocore.utils import is_json_value_header
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/utils.py”, line 37, in <module>
 import botocore.httpsession
 File “/home/ubuntu/.local/lib/python3.10/site-packages/botocore/httpsession.py”, line 45, in <module>
 from urllib3.contrib.pyopenssl import (
 File “/usr/lib/python3/dist-packages/urllib3/contrib/pyopenssl.py”, line 50, in <module>
 import OpenSSL.SSL
 File “/usr/lib/python3/dist-packages/OpenSSL/__init__.py”, line 8, in <module>
 from OpenSSL import crypto, SSL
 File “/usr/lib/python3/dist-packages/OpenSSL/crypto.py”, line 14, in <module>
 from cryptography import utils, x509
 File “/usr/lib/python3/dist-packages/cryptography/x509/__init__.py”, line 7, in <module>
 from cryptography.x509.base import (
 File “/usr/lib/python3/dist-packages/cryptography/x509/base.py”, line 22, in <module>
 from cryptography.x509.extensions import Extension, ExtensionType, Extensions
 File “/usr/lib/python3/dist-packages/cryptography/x509/extensions.py”, line 26, in <module>
 from cryptography.x509.general_name import GeneralName, IPAddress, OtherName
 File “/usr/lib/python3/dist-packages/cryptography/x509/general_name.py”, line 219, in <module>
 class IPAddress(GeneralName):
 File “/usr/lib/python3/dist-packages/cryptography/x509/general_name.py”, line 223, in IPAddress
 ipaddress.IPv4Address,
AttributeError: module ‘ipaddress’ has no attribute ‘IPv4Address’. Did you mean: ‘IPAddress’?

Note that this problem magically fixed itself when I logged in the next day.

Fixing Incorrect Python3 Path on Ubuntu on AWS EC2

How does Python find the files it imports?

medium.com

Follow for updates.

About Teri Radichel:
~~~~~~~~~~~~~~~~~~~~
⭐️ Author: Cybersecurity Books
⭐️ Presentations: Presentations by Teri Radichel
⭐️ Recognition: SANS Award, AWS Security Hero, IANS Faculty
⭐️ Certifications: SANS ~ GSE 240
⭐️ Education: BA Business, Master of Software Engineering, Master of Infosec
⭐️ Company: Penetration Tests, Assessments, Phone Consulting ~ 2nd Sight Lab

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