Python and multiple user access via super cool fancy website

[Aaron Christensen]

Hi Jason,

What gives you that idea?
On Dec 25, 2015 12:23 AM, "Jason Friedman" <jsf80238 at gmail.com> wrote:

> > I am not sure if this is the correct venue for my question, but I'd like
> to
> > submit my question just in case.  I am not a programmer but I do have an
> > incredible interest in it, so please excuse my lack of understanding if
> my
> > question isn't very thorough.
> >
> > As an example, a website backend is developed using Python.  Users can
> > submit their input through the website and PHP (or some other language)
> > transfers the user input from the website fields to a database such as
> > MySQL.  There is a main script called main_script.py which extracts the
> > user data from MySQL, processes it, stores output in MySQL and sends
> output
> > to the user (via webpage and email).
> >
> > About main_script.py
> > # main_script.py extracts user input from MySQL, processes it, stores
> > output in MySQL and send output to user (via webpage and email).
> > # Inputs: User personal information such as age, dob, nationality,
> hobbies,
> > and 20 or 30 other fields
> > # Output: main_script.py is going to do something with it such as access
> > the database and some shelve files or other py scripts. I have no clue
> what
> > it's going to do, but my point is that the processing of the input to
> > output will take longer than simply a print('Hello, %r!' %user_name).
> >
> > My question:  I am curious to know how Python handles something like
> this.
> > Let's say that there are 10, 20, 50, or even 1000 users accessing the
> > website.  They all put in their 20 to 30 pieces of input and are waiting
> on
> > some fancy magic output.  How exactly does that work?  Can multiple users
> > access the same script?  Does the Python programmer need to code in a
> > manner that supports this?  Are requests to the script handled serially
> or
> > in parallel?
>
> I have a hunch that you do not want to write the program, nor do you
> want to see exactly how a programmer would write it?
>
> The question is more like asking a heart surgeon how she performs
> heart surgery:  you don't plan to do it yourself, but you want a
> general idea of how it is done?  How do you keep the patient from
> bleeding to death?  Does the heart stop while performing the surgery,
> and if yes, how does the patient stay alive?
>