search-engine

Installation

Assumptions prior to install

• Python 3 is installed and accessible from the path

Setting up a venv and activating it

• Reference: https://realpython.com/python-virtual-environments-a-primer/

Linux instructions

Run the following commands

• Note that if you are using the fish shell to use "activate.fish" instead of "activate"

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Windows instructions

Run the following commands

py -3 -m venv venv
venv\Scripts\activate
pip3 install -r requirements.txt

If you encounter the following error or something similar:

venv\Scripts\activate : File C:\Users\Raymo\Desktop\blah\search-engine\venv\Scripts\Activate.ps1 cannot be
loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies
at https:/go.microsoft.com/fwlink/?LinkID=135170.
At line:1 char:1
+ venv\Scripts\activate
+ ~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : SecurityError: (:) [], PSSecurityException
    + FullyQualifiedErrorId : UnauthorizedAccess

1. Open PowerShell in Administrator mode
2. Input this in the prompt

set-executionpolicy remotesigned

3. Say yes

Reference: https://superuser.com/questions/106360/how-to-enable-execution-of-powershell-scripts

Deactivating a venv

Run the following command

deactivate

Viewing installed packages

• You can see your installed requirements from pip using the command

pip freeze

Running the application

Reference - https://flask.palletsprojects.com/en/1.1.x/quickstart/

• Be in the root directory of the repository when you run these commands
• Note the setting of the FLASK_ENV variable enables debug mode
  • The indexes and corpus will NOT be rebuilt when development mode is set

Linux instructions

Run the following commands

export FLASK_APP=searchapp/searchapp.py
export FLASK_ENV=development
flask run

Windows instructions

Powershell Instructions

Run the following commands

$env:FLASK_APP = "searchapp/searchapp.py"
$env:FLASK_ENV = "development"
flask run

CMD Instructions

Run the following commands

set FLASK_APP=searchapp/searchapp.py
set FLASK_ENV=development
flask run

Project Structure

Based on:

• https://docs.python-guide.org/writing/structure/
• https://flask.palletsprojects.com/en/1.1.x/tutorial/layout/