How to create virtual environment in python for windows 7,8,10
How to create virtual environment in python for windows 7,8,10
In this video i am going to show how you can create or setup virtual environment in python3.
How to set up a virtual environment in windows
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Verify pip
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pip --version
You can make sure that pip is up-to-date by running:
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pip install --user --upgrade pip
or
python -m pip install --upgrade pip
Installing virtualenv
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pip install --user virtualenv
Creating a virtual environment
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py -m venv env
Activating a virtual environment
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.\env\Scripts\activate
Confirm you’re in the virtual environment
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where python
Installing packages
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pip install requests
Installing specific versions
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pip install requests==2.18.4
Using requirements files
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you could create a requirements.txt file containing:
requests==2.18.4
google-auth==1.1.0
pip install -r requirements.txt
Freezing dependencies
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Pip can export a list of all installed packages and their versions using the freeze command:
pip freeze
Leaving the virtual environment
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If you want to switch projects or otherwise leave your virtual environment, simply run:
deactivate
Benefit of virtual environment:
virtualenv really shines when you have a number of projects, and don't want them to all share the same
Python installation. For example, you could have two project with conflicting requirements.
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