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Welcome back.

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So now we're going to add a really cool feature which will be the audit tool feature

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where we can keep track of all the activities on our system

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from users logging in and creating accounts and things like that.

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So

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let's go ahead and do that. And for this to happen, we need to import

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a special library and module which is going to be the date time. So

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I'm going to come in here and I'm gonna say from daytime library,

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let us import the datetime module.

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OK? And I can add a note in here that says import for date and time.

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OK?

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Now let us create our function and where can we place that? You know what?

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Let's place the function just before the registration function. OK.

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So I'm going to come all the way down in here.

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Add the note and we can call this one the function

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to log user activities,

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activities at tea

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did not spell that correctly. Activti.

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OK?

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All right.

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I'm gonna call this function the fine and then log

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underscore event that's going to be the name of the function

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and then the parameter will of course be event,

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OK?

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At a colon

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and fine. So this is where the magic is gonna happen.

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Let us pass the actual date and time

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into a variable called timestamp. OK? I'm gonna say timestamp equals.

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And now we're going to make use of a function

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from the datetime module. This function is called datetime dot now.

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OK? So this is the function that will retrieve the actual date and time.

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OK?

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But now I'm gonna add a method in here

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dot STRF time.

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This method right here is what we're going to use

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to actually format

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the date and time.

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So whether we want to display the year, the month, the day or maybe just the month,

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day and then the time, maybe we want to display the hour the minute,

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the second things like that.

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So we're gonna use this method, the STRF time method.

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And now in brackets, we need to indicate

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how we want the date and time to be formatted. So

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inside, I'm going to add my codes.

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So let's do it like this, ok? We're gonna display the year, the month, the day

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that will be for the date

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and then for the time, we'll simply display how the hour minute and then the second.

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How about that?

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Ok? Sounds good.

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So to do this,

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I'm going to use the percentage symbol

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and now capital Y, this will represent the year

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and then

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we can add minus

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and then percentage

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and then M for the month

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and then minus again

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percentage for what for the day? Which will be D?

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Ok?

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And now a space

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and now for the actual time itself,

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I'm gonna go again, percentage capital H for the hour.

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Ok?

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And now instead of the minus, ok? We can use the colon

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because I think it's better to use

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columns whenever you're dealing with actual time,

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in my opinion.

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So

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we can use colon and then M for the minute and then colon again

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and then percentage or capital S

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and there you go. So this is the format,

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year, month, day and then the hour minute and the second.

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Ok. And I think that should be fine.

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Now,

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all we got to do right now is we now need to start logging in all of these activities.

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Ok? So what we're gonna do is for the registration function

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when the user has registered,

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we need to log the event. Ok?

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Now we need to come over here and say with

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open because we want to create an actual text file

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that will represent the audit log. So I'm gonna say with open

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and then in brackets, let's call the file audit

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underscore log

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underscore log dot txt. So this will be the name of the log file

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and then what we wanna do, we want to append it. OK? So I'm gonna put the A mode

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and then as what as log

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underscore file and then add a colon

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and then

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what we wanna do, we wanna write

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to the log file. So I'll say log underscore file

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dot Right. And now in brackets,

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we can use our F string

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and then we can simply add a

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colon

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and then I'll add my bracket colly braces

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timestamp

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and then the event and this should be fine.

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There you go. So

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we're gonna create

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a file called auditlog dot txt.

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And when we're writing into the file, we're gonna write the timestamp

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and then also the event.

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So maybe the user created an account at January 6th 2024 at 5:30 p.m. and 14 seconds,

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something like that, you know.

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So that's exactly what we've done

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over here. Awesome. Awesome. Awesome. So now

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we need to make sure that each activity is in fact logged.

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So

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down here, the first activity is going to be the registration, right?

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So let's check actually, you know what?

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We can even log

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when the password wasn't strong enough. How about that? Ok. We can also log that. So

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right over here where it says the print feedback,

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I can just come over here right now, add a new line and say log underscore event.

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And now in brackets,

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we can simply say uh registration field for user username. OK?

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I like this. What do you think? I think this is fine

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registration field for the user username. So

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the registration wasn't successful because the password wasn't strong enough.

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I like that. So we've locked down over there.

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So now let us log the event in a scenario where

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the registration was actually successful. And where is that?

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We have it on line 56 here that says print

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the user registration was successful. So

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just underneath it, we can now add our log underscore event.

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And now in brackets,

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we can simply say f and then

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let's have a coats and then in our collar braces,

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we can say username.

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OK.

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And then a user name

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uh successfully registered.

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How about that?

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And there you go. OK.

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Now what else do we need to log,

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we need to log when

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users have also are logged in.

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And we have that over here under the login function where it says login successful.

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So in here, I'm gonna create a new line

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and now we can log the event or log

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on those call events. And then in brackets,

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we can say F string and then

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add our codes, call braces.

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So username.

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OK.

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Uh Let me create some space in here. Username,

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successfully logged in

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and there you go.

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Is there anything else that we need to log?

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Ok. There it says the invalid username or password.

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We can also log this event in here as well. So we'll log in everything, everything.

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OK? So

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log event F and then we can add our codes

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and then we can say failed login attempts for

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the user and then with the username

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and

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there you go. Ok.

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I am liking this thus far.

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Is there anything else we need to log,

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we can also log in the

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third option

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where the user actually exits the system.

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It's not necessary, but you know, we might as well. So

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where it says print exit in the system,

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we can just also

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uh log

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this

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actually, let me just do this before the print before the print statement. So

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option number three, let's just log

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underscore event

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and then we can just

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say something like a system

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exit,

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ok? And

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there you go. Ok? I think this should work, this should work.

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And I'm going to go ahead right now

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and run the program, ok?

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And let us see. I'm going to register a new account. So I'm gonna go

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with number one press enter.

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Let's add a user name.

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So I'm gonna go with Tracy,

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ok? And the password,

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Tracy 21.

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Hashtag

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and there you go. Ok? Awesome. So

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it was successful.

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Let's first of all make sure that under the users dot Txt, we have Tracy,

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that's the hash password

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and now the other

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log dot TXT.

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There you go. Awesome. Awesome. Awesome Tracy successfully registered

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and of course, you can see the format right here

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2024

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the 10th day of November

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at 90108.

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So we successfully added the log feature as well.

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Thank you so much for watching the video. I will see you in the next class.