Basic terminal-console functionallity

setup.py

@@ -42,4 +42,12 @@
         "Programming Language :: Python :: 3.11",
         "Topic :: Software Development :: Libraries :: Python Modules",
     ],
+    entry_points={
+        'console_scripts': [
+            'pyotp = pyotp.__main__:generate',
+            'pyotph = pyotp.__main__:generate_hex',
+            'pytotp = pyotp.__main__:otp',
+            'pyhotp = pyotp.__main__:hotp',
+        ]
+    },
 )

src/pyotp/__init__.py

@@ -9,6 +9,8 @@
 from .otp import OTP as OTP
 from .totp import TOTP as TOTP
 
+__version__ = "2.9.0"
+
 
 def random_base32(length: int = 32, chars: Sequence[str] = list("ABCDEFGHIJKLMNOPQRSTUVWXYZ234567")) -> str:
     # Note: the otpauth scheme DOES NOT use base32 padding for secret lengths not divisible by 8.

src/pyotp/__main__.py

@@ -0,0 +1,53 @@
+from pyotp import __version__, TOTP, HOTP, random_base32, random_hex
+from sys import argv
+
+
+def argument_parser():
+    if len(argv) > 1:
+        if argv[1] in ('-v', '--version'):
+            print(f'PyOTP v.{__version__}')
+        else:
+            print(f'''PyOTP v.{__version__} usage:\
+            \n  pyotp  - Generate a 32-character base32 secret\
+            \n  pyotph - Generate a  hex-encoded base32 secret\
+            \n  pytotp - Return TOTP digits from base32 secret\
+            \n  pyhotp - Return HOTP digits from base32 secret\
+            ''')
+        exit()
+
+
+def generate(hex=False): 
+    argument_parser()
+    if not hex:
+        print(random_base32())
+    else:
+        print(random_hex())
+
+
+def generate_hex(): 
+    generate(hex=True)
+
+
+def otp(is_totp=True):
+    argument_parser()
+    try:
+        if is_totp:
+            print("Enter base32 secret: ", end='')
+            secret = input()
+            print(TOTP(secret).now())
+        else:
+            print("Enter base32 secret: ", end='')
+            secret = input()
+            print("Enter number: ", end='')
+            number = int(input())
+            print(HOTP(secret).at(number))
+    except:
+        print(f'Invalid secret: {secret}')
+
+
+def hotp(): 
+    otp(is_totp=False)
+
+
+if __name__ == "__main__":
+    generate()