add 'int' command arg spec type

src/utils/parse/__init__.py

@@ -1,8 +1,9 @@
 import decimal, io, typing
 from src.utils import datetime, errors
 
-from .time import duration
 from .spec import *
+from .time import duration
+from .types import try_int
 
 COMMENT_TYPES = ["#", "//"]
 def hashflags(filename: str
@@ -78,12 +79,6 @@ def keyvalue(s: str, delimiter: str=" "
             items[key] = None
     return items
 
-def try_int(s: str) -> typing.Optional[int]:
-    try:
-        return int(s)
-    except ValueError:
-        return None
-
 def line_normalise(s: str) -> str:
     lines = list(filter(None, [line.strip() for line in s.split("\n")]))
     return "  ".join(line.replace("  ", " ") for line in lines)

src/utils/parse/spec.py

@@ -1,6 +1,6 @@
 import enum, typing
 from .time import duration
-from . import try_int
+from .types import try_int
 
 class SpecArgumentContext(enum.IntFlag):
     CHANNEL = 1
@@ -49,6 +49,12 @@ class SpecArgumentTypeTrimString(SpecArgumentTypeString):
     def simple(self, args: typing.List[str]):
         return SpecArgumentTypeString.simple(self, list(filter(None, args)))
 
+class SpecArgumentTypeInt(SpecArgumentType):
+    def simple(self, args):
+        if args:
+            return try_int(args[0]), 1
+        return None, 1
+
 class SpecArgumentTypeDuration(SpecArgumentType):
     def name(self):
         return "+%s" % (SpecArgumentType.name(self) or "duration")
@@ -68,6 +74,7 @@ SPEC_ARGUMENT_TYPES = {
     "wordlower": SpecArgumentTypeWordLower,
     "string": SpecArgumentTypeString,
     "tstring": SpecArgumentTypeTrimString,
+    "int": SpecArgumentTypeInt,
     "duration": SpecArgumentTypeDuration
 }
 

src/utils/parse/types.py

@@ -0,0 +1,8 @@
+import typing
+
+def try_int(s: str) -> typing.Optional[int]:
+    try:
+        return int(s)
+    except ValueError:
+        return None
+