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title: resolving “no module named flask” error in python executable (exe) – a step-by-step tutorial
introduction:
when working with python and flask to create web applications, you may encounter the “no module named flask” error when attempting to run your python executable (exe) file. this tutorial will guide you through the process of resolving this issue and creating a functional executable for your flask application.
step 1: install dependencies
before creating the executable, ensure that you have installed all the necessary dependencies, including flask. open your terminal or command prompt and use the following command:
this command will install flask and its dependencies, making them accessible for your application.
step 2: freeze your dependencies
to create a standalone executable, you need to freeze your application along with its dependencies. use the following command to create a requirements.txt file:
this file will list all the dependencies and their versions.
step 3: create a virtual environment
it’s a good practice to create a virtual environment to isolate your project dependencies. run the following commands in your terminal:
step 4: install dependencies from requirements.txt
activate your virtual environment and install the dependencies from the requirements.txt file:
step 5: use pyinstaller to create the executable
install pyinstaller using the following command:
navigate to your project directory and use pyinstaller to create the executable:
replace “your_app.py” with the main python file of your flask application.
step 6: locate the dist folder
pyinstaller will create a ‘dist’ folder in your project directory, containing the executable file. navigate to the ‘dist’ folder using the terminal:
step 7: run the executable
run the generated executable:
on windows:
on linux/macos:
conclusion:
following these steps should help you resolve the “no module named flask” error when running your python executable with flask. remember to regularly update your …
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