Example of writing wiki: Using Virtual Environments with pip on Windows 10 and VS Code(English)
Table of contents
1. Main topic
What are Virtual Environments?
Create a Virtual Environment
Activate the Virtual Environment
Install package with pip
Check the installation
Disable the Virtual Environment
Using Virtual Environment in VS Code
Additional tips
2. Secondary topic
Purpose of Virtual Environments
Benefits of Virtual Environments
Steps to create a Virtual Environment
Results of creating a Virtual Environment
Steps to enable Virtual Environment on Command Prompt
Steps to enable Virtual Environment on PowerShell
Result of activating the Virtual Environment
Steps to install packages with pip
Result of installing the package
Installation inspection steps
Results of the installation inspection
Steps to disable the Virtual Environment
Result of disabling the Virtual Environment
Setting up the Python interpreter in VS Code
Result of Python interpreter settings
Virtual environment managers
Package updates
Using requirements.txt
3. Content
1. What are Virtual Environments?
Virtual Environments allow Python projects to isolate their dependencies. This means that each project can have its own set of specific versions of libraries, without having to worry about conflicts with dependencies of other projects. This increases the stability and reproducibility of projects.
2. Create a Virtual Environment
2.1 Step
Open Command Prompt on Windows 10
Go to the directory of the project for which you want to create a Virtual Environment.
Run the following command:
python -m venv <ชื่อ virtual environment>
example:
python -m venv myprojectenv
2.2 Results
The above command will create a new directory named <ชื่อ virtual environment>within the project directory. This directory will contain the specific version of the Python interpreter and the libraries required for the Virtual Environment.
3. Activate the Virtual Environment.
3.1 on Command Prompt
Go to the directory of the Virtual Environment.
Run the following command:
<ชื่อ virtual environment>\Scripts\activate
example:
myprojectenv\Scripts\activate
3.2 on PowerShell
Go to the directory of the Virtual Environment.
Run the following command:
.\<ชื่อ virtual environment>\Scripts\Activate.ps1
example:
.\myprojectenv\Scripts\Activate.ps1
3.3 Results
The above command will launch the Virtual Environment. The Command Prompt prompt will display the name of the Virtual Environment in square brackets, indicating that the Virtual Environment is currently in use.
4. Install the package with pip
4.1 Step
Make sure the Virtual Environment is enabled.
Run the following command to install the package:
pip install <ชื่อแพ็กเกจ>
example:
pip install pandas
4.2 Results
The above command will install the specified package into the Virtual Environment.
5. Check the installation
5.1 Step
Make sure the Virtual Environment is enabled.
Run the following command to see a list of installed packages:
pip freeze
5.2 Results
The above command will list all packages installed in the Virtual Environment.
6. Disable the Virtual Environment.
6.1 Step
- Run the following command:
deactivate
6.2 Results
The above command will disable the Virtual Environment prompt. The Command Prompt will return to its normal state.
7. Using Virtual Environment in VS Code
7.1 Set up the Python interpreter
Open VS Code
Open the desired project
Go to File > Preferences > Settings.
Search for "Python: Default Interpreter"
Select the Python interpreter of the Virtual Environment.
7.2 Results
VS Code uses the Virtual Environment's Python interpreter.
8. Additional tips
8.1 Virtual environment managers
Virtual environment managers make it easier to manage Virtual Environments.
Example Virtual environment managers:
virtualenvconda
8.2 Updating packages
- Run the following command to update the package:
pip install --upgrade <ชื่อแพ็กเกจ>
8.3 Using requirements.txt
requirements.txtThis is a text file that lists the packages that the project needs.
Additional content
Links to additional resources about Virtual Environments, pip, Windows 10, and VS Code.
Examples of using Virtual Environments in various situations
Tips for troubleshooting common errors related to Virtual Environments