How to show progress bar while opening file.py in my script

Question

So i have a number of scripts that do different things. I am currently creating a kind of "parent script" that will open the scripts depending on the user input.

This part works very well. I worry that because nothing really happens for a few moments until the desired script displays the welcome(): i have at the start, people may end up exiting the script.

what currently happens:

user enters -create
Welcome to creation script!

there is a decent time gap between 1 and 2. I believe this to be the case because subprocess.Popen OR because of the script that is loading is just taking some time to load up

What i would like to do is after the user enters the script they want to use.

user enters -create
Loading bar (this loading bar can literally be anything animated to show that something is happening but I want it to end when the creation script loads).
Welcome to creation script!

CODE:

def help_list():

    print('\n' '> create  -creates a new list with new or existing dns hosts ')
    print('> add  -adds new or existing dns hosts and or target domains to an existing list ')
    print('> remove  -removes existing dns hosts and or target domains from an existing list ')
    print('> decomm  -deletes an existing list. Only use this command for ticket type "Decomm - proxy"' '\n')

def create_list():

    cmd = ('py C:\\Users\\chuck\\Desktop\\Scripts\\Creation_script.py')
    p = subprocess.Popen(cmd, shell=True)   
    out, err = p.communicate()

def clear_screen():
    os.system("cls")

if __name__ == '__main__':
    clear_screen()
    print('\n' 'enter h or help for a list of options')
    while True:    
        try:
            question = input('\n' 'please enter script to run > ')
            if question == 'help':
                clear_screen()
                help_list()
            if question == 'create':
                clear_screen()
                create_list()
        except:
            break

I cut out some of the other inputs to make this code a little smaller for the example.

I was reading about tqdm, time, sleep, but I am just unsure how to really use any of those to display the progress of opening

::EDIT:: Here's the cProfile. (IDK what any of this means)

         130653 function calls (125870 primitive calls) in 3.232 seconds
  Ordered by: standard name
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  197/3    0.001    0.000    0.129    0.043 <frozen importlib._bootstrap>:986(_find_and_load)
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'''

I suggest you profile your script and see what's taking the time before "fixing" it. See [How can you profile a Python script?](https://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script) That said, there are many ways to display a progress bar in Python (and many questions about them here on StackOverflow). — martineau, Apr 19 '21 at 20:51
@martineau It takes about 10 seconds for my script to start. Is that a pretty long time for a script with 364 lines? If it takes about 10 seconds would it really hurt to just add a loading bar within that time? I get that it sounds like a bandage to a problem but can the script load up any faster? — avgnetmin, Apr 19 '21 at 21:14
Since you are using `subprocess`, your main process can execute concurrently with the other process which should make displaying a progress bar relatively easy — you can check the status of the child process with `Popen.poll()` in a loop. [Here's](https://stackoverflow.com/a/23630948/355230) an outline of how that would work. — martineau, Apr 19 '21 at 21:27
Not really knowing how long it's going to take will make displaying a progress bar difficult since at and moment you don't really know what percentage is done — so instead consider displaying a simple "spinner". They're really easy to implement and there a number of questions here about them if you search for the term. — martineau, Apr 19 '21 at 21:52

How to show progress bar while opening file.py in my script

0 Answers0