README.md

Downloader

Works as a basic downloader where you specify the link of the page from multiple files have to be downloaded. Using that page as reference, you specify the type of files that have to be downloaded (for example, pptx / mp3 / mp4). The downloader does the rest for you.

Dependencies

Download the requirements.txt and main.py file. Run:

• python -m venv myvenv
• pip install -r requirements.txt
• python main.py Follow the instructions that follow.

Updates

Add argparse support, a feature to resume downloads

Contact

Please reach out to the author at dewanshrawat15@gmail.com

Downloader.md

Downloader

Works as a basic downloader where you specify the link of the page from multiple files have to be downloaded. Using that page as reference, you specify the type of files that have to be downloaded (for example, pptx / mp3 / mp4). The downloader does the rest for you.

Index

• README.md
• main.py
• requirements.txt

main.py

import re
from os.path import basename
from tqdm import tqdm
import requests
from urllib.request import urlopen, urljoin
from bs4 import BeautifulSoup
import argparse
import os

def download(link, name):
	response = requests.get(link, stream=True)
	file_size = int(response.headers['content-length'])
	downloaded_file_name = name
	if os.path.isfile(downloaded_file_name):
		file_size_local = os.stat(downloaded_file_name).st_size
		if file_size_local == file_size:
			print("" + downloaded_file_name + " => File already exists")
	else:
		print("Downloading "+downloaded_file_name)
		with open(downloaded_file_name, 'wb') as f:
			for data in tqdm(iterable=response.iter_content(chunk_size=1024), total=file_size / 1024, unit='KB'):
				if data:
					f.write(data)
		print(downloaded_file_name+" downloaded")

def scrape(link, extensionFormat):
	src = urlopen(link)
	codebase = BeautifulSoup(src, 'html.parser')
	codebase = codebase.findAll("a")
	req = []
	names = []
	for i in codebase:
		temp = i.get("href")
		if extensionFormat in temp:
			name = i.getText()
			name = name.replace('\n', '')
			if '/' in name:
				name.replace('/', "|")
			name = re.sub(' +', ' ', name)
			name = name + "." + extensionFormat
			url = urljoin(link, temp)
			names.append(name)
			req.append(url)

	for i in range(len(req)):
		# print(req[i], names[i])
		download(req[i], names[i])

url = input("Enter the source url to download from => ")
extension = input("Enter the extension of the files that have to be downloaded ")
scrape(url, extension)

requirements.txt

beautifulsoup4==4.8.1
certifi==2019.9.11
chardet==3.0.4
idna==2.8
requests==2.22.0
soupsieve==1.9.4
tqdm==4.36.1
urllib3==1.25.6