[Core] Interactive configuration

core/cli.py

@@ -0,0 +1,41 @@
+import asyncio
+
+
+def confirm(m=""):
+    return input(m).lower().strip() in ("y", "yes")
+
+
+def interactive_config(red, token_set, prefix_set):
+    loop = asyncio.get_event_loop()
+    token = ""
+
+    print("Red - Discord Bot | Configuration process\n")
+
+    if not token_set:
+        print("Please enter a valid token:")
+        while not token:
+            token = input("> ")
+            if not len(token) >= 50:
+                print("That doesn't look like a valid token.")
+                token = ""
+            if token:
+                loop.run_until_complete(red.db.set_global("token", token))
+
+    if not prefix_set:
+        prefix = ""
+        print("\nPick a prefix. A prefix is what you type before a "
+              "command. Example:\n"
+              "!help\n^ The exclamation mark is the prefix in this case.\n"
+              "Can be multiple characters. You will be able to change it "
+              "later and add more of them.\nChoose your prefix:\n")
+        while not prefix:
+            prefix = input("Prefix> ")
+            if len(prefix) > 10:
+                print("Your prefix seems overly long. Are you sure it "
+                      "is correct? (y/n)")
+                if not confirm("> "):
+                    prefix = ""
+            if prefix:
+                loop.run_until_complete(red.db.set_global("prefix", [prefix]))
+
+    return token