ModuleNotFoundError: No module named 'httlib2'

Posted in Python by Dirk - last update: Feb 06, 2024

Python raises the ModuleNotFoundError: No module named 'httlib2 when it is unable to find the httlib2 library. The most likely cause is that you didn’t install httlib2 in the environment where you are running your code. Quick fix: install httlib2`` using: the pip install httlib2``` command

Possible causes and solutions

httplib2 is a comprehensive HTTP client library for Python. It provides a high-level interface for making HTTP requests and handling responses. httplib2 supports various features such as HTTP caching, keep-alive, authentication, and handling redirects. It is designed to be versatile and efficient, making it suitable for a wide range of HTTP-related tasks.

Sample code:

import httplib2

# Create an HTTP object
http = httplib2.Http()

# Make a GET request
response, content = http.request("http://www.example.com", method="GET")

# Print the response status code and content
print("Status Code:", response.status)
print("Content:")
print(content.decode("utf-8"))

And when trying to run the code you get the ’no module named error':

Traceback (most recent call last):
  File "myfile.py", line 1, in <module>
ModuleNotFoundError: No module named 'httlib2'

Luckily, it is easy to fix. Below you can find the most common causes and how to fix them:

‘httlib2’ Library is not installed

In your code you are importing the webdriver module from httlib2

import httlib2

which generates the ModuleNotFoundError: No module named 'httlib2'. The the most common cause for this error: the environment where you are running your code doesn’t have the httlib2 library installed.

You can use the following command in the terminal or command prompt to check if the httlib2 library is installed:

pip show httlib2

If httlib2 is not installed you will get this result:

WARNING: Package(s) not found: httlib2

Solution:

pip install httlib2

‘httlib2’ Module installed in the Wrong Directory

It is possible that you did install the httlib2 module, but that the directory where you installed it is not in the Python path.

You can check the Python path in a few different ways:

1. Using sys module in Python:

Open a Python script or the Python interpreter and run the following code:

import sys
print(sys.path)

This will print a list of directories that make up the Python path.

2. Using Command Line

Open a command prompt or terminal and run:

Windows

echo %PYTHONPATH%

Unix/Linux/macOS

echo $PYTHONPATH

If the PYTHONPATH environment variable is set, it will display the directories in the Python path.

Solution: Move the httlib2 module to a directory that is included in the Python path or add the httlib2 module’s directory to the sys.path using sys.path.append().

‘httlib2’ not installed in Virtual Environment

Even if you have httlib2 installed in on your computer, if you are using a virtual environment you cannot access it from this environment.

If you are using virtual environments, ensure that the virtual environment is activated, and that the httlib2 modules is installed within this environment.

Installation is simple:

pip install httlib2

File Naming Conflicts:

It is not really likely - but if you happen to have a ```httlib2.py`` file in your environment and you also installed the standard httlib2 library it will cause a conflict. Rename your script/module to avoid conflicts with existing module names.