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In our previous lesson we installed the main packages open the main P Y in this lesson we will be using

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the config settings to decide what data goes to which file for example where to create the log files.

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Let's start by creating a config P Y.

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Right click on P Y Tello and choose new.

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Then click on new python file and set the file name to config and hit.

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OK.

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Lets close the project tab.

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Set to import os.

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We will also be using flask so set from flask import flask.

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Now we set the web address to default.

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Zero point zero point zero point zero which is your own host No the web port will be set to 5000 which

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is the flask standard project route will be set to 0 as path D by our name in the parenthesis we set

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o as path a B as path with the double underscore file which is the name of this config file.

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With this we can check which directory we are at.

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Let's copy this code and go to terminal type Python so we can start the shell set.

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Import os now we paste the code we copied since we are using the shell.

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We cannot use double underscore file name.

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So let's say delete this file name and set the actual file name dot slash com fixed up p y as we run

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this code you will see the directory name P wide Tello which is the directory where the config P Y file

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is.

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This path is what is in the project route.

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Now let's go back to the script.

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We also want to set the template directory type o s path.

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Join project route drone app slash templates.

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Now is that the path to the static folder.

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We'll do the same as what we did before.

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Always path.

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Join project route drone app slash.

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Static let's go back to the project tab and check we can find templates under the drone app.

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Also we can find static under the drone app the debug mode can be also set here.

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I'll set it to false for the moment.

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If you want to receive more information while you develop the app you can set this to true.

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Let's set the log file to Pete tell dot log which will be set to the top of the project.

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Now I want to set the flask config.

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This is the flask Web site.

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Go to flask dot P O C O dot org.

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On this site you will find the flask code samples the code here says we import flask set flask double

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underscore name double underscore to create an app object.

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Then we use this app object to create decorator at AP dot root slash.

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This means that access will go to h TTP call on slash slash.

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Zero point zero point zero point Colin five thousand slash.

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You can imagine this as the top page of the site.

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Once we access the top page hello world will be returned by using flask.

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We are able to go to certain sites or also use apps to make all sorts of settings.

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Here's a very short program but we will get into more details on the way.

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Just wanted to introduce you the idea for now.

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Now let's go back to the config P Y to set the app object so we can access it anytime.

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As we just saw on the site we set the app object followed by flask double underscore name.

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There is an option called template folder where we can set the HDMI all template folder.

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Here we set it to templates.

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Also we can set the static folder as well.

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Here we completed setting the app object if you are planning on using the debug mode set.

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If debug app debug equals to debug as we set the debug to false this f statement will not run but if

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you change the debug to true the process will go through this.

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If statement here I set the log file to p tell.

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But you can also change the file name to p y Tello or P Y.

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Tell whatever name is fine.

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Finally we've finished setting the config file.

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Now we need to launch a server from the main P why the code to launch the server will be set in controllers

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right click on drone app and choose new choose python file and name the file.

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Double underscore in it and hate OK on the left here you'll see that in it file that we just created.

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Again right click on controllers and choose new.

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Now select python file and again name the file double underscored in it and hate.

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OK let's close all these tabs now right click on controllers and choose new choose python file and name

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the file server and hit OK here we've created the server.

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P Y.

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I'll see you in our next lesson where we start on the server side.