python 2.7 progress bar code example

Example 1: how to create progress bar python

from tqdm import tdqm

LENGTH = 10 # Number of iterations required to fill pbar

pbar = tqdm(total=LENGTH) # Init pbar
for i in range(LENGTH):
  pbar.update(n=1) # Increments counter

Example 2: how to make a loading bar in python

#pip install os
#pip install time
#pip install colorama
#pip install tqdm
import os
from tqdm import tqdm 
from colorama import Fore, Back, Style 
import time

for i in tqdm (range (101),  
               desc=Fore.GREEN + "Loading. . .",  
               ascii=False, ncols=75): 
    time.sleep(0.01)       

#the Fore.GREEN adds colour to the loading bar
print(Fore.GREEN + "Complete. . .") 
time.sleep(1) 
#this will clear the terminal
os.system('cls' if os.name == 'nt' else 'clear')

Example 3: python progress bar

from tqdm import tqdm
for i in tqdm(range(0,int(10E6))):
  continue

Example 4: progress bar python text

from tqdm import trange
from time import sleep
t = trange(100, desc='Bar desc', leave=True)
for i in t:
    t.set_description("Bar desc (file %i)" % i) # add dynamic bar description
    t.refresh() # to show immediately the update
    sleep(0.01)

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