work on v0.3.0

argenta/command/input_comand/entity.py

@@ -1,4 +1,4 @@
-from ..input_comand.exceptions import IncorrectInputFlagException
+from ..input_comand.exceptions import IncorrectInputFlagException, RepeatedInputFlagsException
 from ..entity import Command
 from ..params.flag.flags_group.entity import FlagsGroup
 from ..params.flag.input_flag.entity import InputFlag
@@ -46,7 +46,11 @@ class InputCommand(Command, Generic[T]):
                                        flag_prefix=flag_prefix)
                 input_flag.set_value(current_flag_value)
 
-                flags.add_flag(input_flag)
+                all_flags = [x.get_string_entity() for x in flags.get_flags()]
+                if input_flag.get_string_entity() not in all_flags:
+                    flags.add_flag(input_flag)
+                else:
+                    raise RepeatedInputFlagsException(input_flag)
 
                 current_flag_name = None
                 current_flag_value = None

argenta/command/input_comand/exceptions.py

@@ -13,4 +13,12 @@ class IncorrectInputFlagException(Exception):
         return "Incorrect Input Flags"
 
 
+class RepeatedInputFlagsException(Exception):
+    def __init__(self, flag: InputFlag):
+        self.flag = flag
+    def __str__(self):
+        return ("Repeated Input Flags\n"
+                f"Duplicate flag was detected in the input: '{self.flag.get_string_entity()}'")
+
+