uncloud cli converted to argparse, code isn't beautiful yet. Would make it soom

uncloud/cli/helper.py

@@ -0,0 +1,42 @@
+import requests
+import json
+import argparse
+import binascii
+
+from pyotp import TOTP
+from os.path import join as join_path
+from uncloud.settings import settings
+
+
+def get_otp_parser():
+    otp_parser = argparse.ArgumentParser('otp')
+    otp_parser.add_argument('--name', default=settings['client']['name'])
+    otp_parser.add_argument('--realm', default=settings['client']['realm'])
+    otp_parser.add_argument('--seed', type=get_token, default=settings['client']['seed'],
+                            dest='token', metavar='SEED')
+    return otp_parser
+
+
+def load_dump_pretty(content):
+    if isinstance(content, bytes):
+        content = content.decode('utf-8')
+    parsed = json.loads(content)
+    return json.dumps(parsed, indent=4, sort_keys=True)
+
+
+def make_request(*args, data=None, request_method=requests.post):
+    r = request_method(join_path(settings['client']['api_server'], *args), json=data)
+    try:
+        print(load_dump_pretty(r.content))
+    except Exception:
+        print('Error occurred while getting output from api server.')
+
+
+def get_token(seed):
+    if seed is not None:
+        try:
+            token = TOTP(seed).now()
+        except binascii.Error:
+            raise argparse.ArgumentTypeError('Invalid seed')
+        else:
+            return token