How to Install pluggy in Python?

pip install pluggy

The Python pluggy library is among the top 100 Python libraries, with more than 25,255,757 downloads. This article will show you everything you need to get this installed in your Python environment.

How to Install pluggy on Windows?

  1. Type "cmd" in the search bar and hit Enter to open the command line.
  2. Type “pip install pluggy” (without quotes) in the command line and hit Enter again. This installs pluggy for your default Python installation.
  3. The previous command may not work if you have both Python versions 2 and 3 on your computer. In this case, try "pip3 install pluggy" or “python -m pip install pluggy“.
  4. Wait for the installation to terminate successfully. It is now installed on your Windows machine.

Here’s how to open the command line on a (German) Windows machine:

Open CMD in Windows

First, try the following command to install pluggy on your system:

pip install pluggy

Second, if this leads to an error message, try this command to install pluggy on your system:

pip3 install pluggy

Third, if both do not work, use the following long-form command:

python -m pip install pluggy

The difference between pip and pip3 is that pip3 is an updated version of pip for Python version 3. Depending on what’s first in the PATH variable, pip will refer to your Python 2 or Python 3 installation—and you cannot know which without checking the environment variables. To resolve this uncertainty, you can use pip3, which will always refer to your default Python 3 installation.

How to Install pluggy on Linux?

You can install pluggy on Linux in four steps:

  1. Open your Linux terminal or shell
  2. Type “pip install pluggy” (without quotes), hit Enter.
  3. If it doesn’t work, try "pip3 install pluggy" or “python -m pip install pluggy“.
  4. Wait for the installation to terminate successfully.

The package is now installed on your Linux operating system.

How to Install pluggy on macOS?

Similarly, you can install pluggy on macOS in four steps:

  1. Open your macOS terminal.
  2. Type “pip install pluggy” without quotes and hit Enter.
  3. If it doesn’t work, try "pip3 install pluggy" or “python -m pip install pluggy“.
  4. Wait for the installation to terminate successfully.

The package is now installed on your macOS.

How to Install pluggy in PyCharm?

Given a PyCharm project. How to install the pluggy library in your project within a virtual environment or globally? Here’s a solution that always works:

  • Open File > Settings > Project from the PyCharm menu.
  • Select your current project.
  • Click the Python Interpreter tab within your project tab.
  • Click the small + symbol to add a new library to the project.
  • Now type in the library to be installed, in your example "pluggy" without quotes, and click Install Package.
  • Wait for the installation to terminate and close all pop-ups.

Here’s the general package installation process as a short animated video—it works analogously for pluggy if you type in “pluggy” in the search field instead:

Make sure to select only “pluggy” because there may be other packages that are not required but also contain the same term (false positives):

How to Install pluggy in a Jupyter Notebook?

To install any package in a Jupyter notebook, you can prefix the !pip install my_package statement with the exclamation mark "!". This works for the pluggy library too:

!pip install my_package

This automatically installs the pluggy library when the cell is first executed.

How to Resolve ModuleNotFoundError: No module named ‘pluggy’?

Say you try to import the pluggy package into your Python script without installing it first:

import pluggy
# ... ModuleNotFoundError: No module named 'pluggy'

Because you haven’t installed the package, Python raises a ModuleNotFoundError: No module named 'pluggy'.

To fix the error, install the pluggy library using “pip install pluggy” or “pip3 install pluggy” in your operating system’s shell or terminal first.

See above for the different ways to install pluggy in your environment.

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