save_urls.py

import sys
import datetime
import pathlib #pip install pathlib
import lz4.block #pip install lz4
import json
import webbrowser #comes bundled with python 3.6

class OpenLinks:
	def open_urls_in_browser(self, fname):
		with open(fname, 'r') as file:
			#urls = savelink.get_urls()
			line = file.readline().strip()
			while(line != ''):
			#for url in urls:
				webbrowser.open_new_tab(line)



class SaveLinks:

	def append_urls_to_file(self):
		now = datetime.datetime.now()
		fname=str('links')+'-'+str(now.day)+'-'+str(now.month)+'-'+str(now.year)+'.txt'
		print(fname)
	
		with open(fname, "a") as file:
			urls = self.get_urls()
			for url in urls:
				print("URL: ", url, "\n")
				file.write(url+'\n\n') 
		#file.close() 
	

	def get_urls(self):
		path = pathlib.Path.home().joinpath('.mozilla/firefox')
		files = path.glob('*default*/sessionstore-backups/recovery.js*')

		try:
			template = sys.argv[1]
		except IndexError:
			template = '%s %s'

		urls=[] #empty list where urls will be stored
		for f in files:
			b = f.read_bytes()
			if b[:8] == b'mozLz40\0':
				b = lz4.block.decompress(b[8:])
			j = json.loads(b)
			for w in j['windows']:
				for t in w['tabs']:
					i = t['index'] - 1 
					#print(template % ('Url:' , t['entries'][i]['url']))
					urls.append(str(t['entries'][i]['url']))
				
		return urls
						
				
				
def main(): #driver code

	savelink=SaveLinks()
	openlink=OpenLinks()
	
	flag=0
	
	while flag!=-1:
		choice=int(input('1.Save Links to file?\n2.Open Saved links in a browser window\nPress -1 to Exit\n\nEnter your choice:'))
		flag1=True
		
		if choice==1:
			savelink.append_urls_to_file()
			
		elif choice==2:
			fname = input('Enter the filename')
			
			try:
				 f = open(fname)
				 f.close()
			except FileNotFoundError:
				 print('File does not exist')
				 flag1=False

			if flag1==True :
				openlink.open_urls_in_browser(fname)#provide path to the file
				
		elif choice==-1:
			flag=choice;
			
		else :
			print('Invalid choice. Try again.\n\n')
	
	
if __name__ == "__main__":
	main()