Merge pull request #28 from frndmg/fix-static-default-serialization

radicli/tests/test_cli.py

@@ -791,6 +791,7 @@ def world(c):
         assert arg1.arg.option == arg2.arg.option
         assert arg1.arg.short == arg2.arg.short
         assert arg1.arg.help == arg2.arg.help
+        assert arg1.default == arg2.default
 
     with pytest.raises(SystemExit):
         static.run(["", "--help"])
@@ -914,6 +915,26 @@ def convert_generic(value: str) -> str:
     assert new_arg.orig_type == stringify_type(arg.orig_type)
 
 
+def test_static_default_serialization():
+    cli = Radicli(prog="test")
+
+    @cli.command("test", a=Arg("--a"))
+    def test(a=[]):
+        """Hello"""
+        ...
+
+    with make_tempdir() as dir_path:
+        path = dir_path / "static.json"
+        cli.to_static(path)
+
+        static = StaticRadicli.load(path)
+
+    for cli_arg, static_arg in zip(
+        cli.commands["test"].args, static.commands["test"].args
+    ):
+        assert cli_arg.default == static_arg.default
+
+
 @pytest.mark.parametrize(
     "arg_type,expected_type,expected_str",
     [

radicli/util.py

@@ -8,6 +8,7 @@
 import inspect
 import argparse
 import re
+import json
 
 # We need this Iterable type, which is the type origin of types.Iterable
 try:
@@ -31,7 +32,7 @@ class StaticArg(TypedDict):
     option: Optional[str]
     short: Optional[str]
     orig_help: Optional[str]
-    default: Optional[Union[bool, str]]
+    default: str
     help: Optional[str]
     action: Optional[str]
     choices: Optional[List[str]]
@@ -218,9 +219,9 @@ def to_static_json(self) -> StaticArg:
             "option": self.arg.option,
             "short": self.arg.short,
             "orig_help": self.arg.help,
-            "default": str(self.default)
-            if self.default not in (False, None)
-            else self.default,
+            "default": DEFAULT_PLACEHOLDER
+            if self.default == DEFAULT_PLACEHOLDER
+            else json.dumps(self.default),
             "help": self.help,
             "action": str(self.action) if self.action else None,
             "choices": list(c.value if isinstance(c, Enum) else c for c in self.choices)
@@ -245,7 +246,7 @@ def from_static_json(
             orig_type=data["orig_type"],
             default=DEFAULT_PLACEHOLDER
             if data["default"] == DEFAULT_PLACEHOLDER
-            else data["default"],
+            else json.loads(data["default"]),
             help=data["help"],
             action=data["action"],
             choices=data["choices"],

setup.cfg

@@ -1,5 +1,5 @@
 [metadata]
-version = 0.0.23
+version = 0.0.24
 description = Radically lightweight command-line interfaces
 url = https://github.com/explosion/radicli
 author = Explosion