add argparser, add template for checking email adress against leak database

src/have_I_b33n_pwned.py

@@ -28,6 +28,7 @@
 
 
 from sys import argv, stdout, exit
+from argparse import ArgumentParser
 from hashlib import sha1
 from getpass import getpass
 from requests import get
@@ -40,22 +41,57 @@ ROW   = '{:<30}{:<10}{:<45}'
 HIDDEN = False
 
 
+parser = ArgumentParser(description='Check if your email or password appears in a data leak.')
+parser.add_argument('-m', '-mail', '--mail',
+    metavar='foo@adress.bar',
+    nargs='+',
+    help='Email address which should be checked against the leak database.'
+)
+parser.add_argument('-p', '-password', '--password',
+    metavar='password',
+    nargs='+',
+    help='Password which should be checked against the leak database.'
+)
+args = parser.parse_args()
+print(args)
+    
+
+
 def header():
     print()
     print(ROW.format('password', 'leaked', 'sha1'))
     print('-' * 80)
 
 
+def prompt_password_or_mail():
+    print()
+    while True:
+        choice = input('Do you wannt to check a password [p] or an email adress [e]: ')
+        if choice == 'p':
+            prompt_password()
+        elif choice == 'e':
+            prompt_mail()
+
+
 def prompt_password():
     print()
     password = getpass('Tell me your password: ')
     global HIDDEN
     HIDDEN = True
     header()
-    query(password)
+    query_password(password)
 
 
-def query(password):
+def prompt_mail():
+    print()
+    mail = input('Tell me your mail adress: ')
+    global HIDDEN
+    HIDDEN = True
+    header()
+    query_mail(mail)
+
+
+def query_password(password):
     password_hash = sha1(password.encode('UTF-8')).hexdigest().upper()
     request = password_hash[:5]
     response = get(API + request).text
@@ -79,15 +115,22 @@ def query(password):
     stdout.write(RESET)
 
     if HIDDEN:
-        prompt_password()
+        prompt_password_or_mail()
+
+
+def query_mail(mail):
+    pass
 
 
 if __name__ == '__main__':
-    if len(argv) < 2:
-        prompt_password()
-    else:
+    if args.password:
         header()
-        for password in argv[1:]:
-            query(password)
+        for password in args.password:
+            query_password(password)
+    elif args.mail:
+        for mail in args.mail:
+            query_mail(mail)
+    else:
+        prompt_password_or_mail()
     print()
     exit(0)