More helpful class reprs

veilid-python/veilid/error.py

@@ -13,6 +13,10 @@ class VeilidAPIError(Exception):
     def __init__(self, *args, **kwargs):
         super().__init__(self.label, *args, **kwargs)
 
+    def __str__(self) -> str:
+        args = [('label', self.label)] + sorted(vars(self).items())
+        return " ".join(f"{key}={value!r}" for (key, value) in args)
+
     @classmethod
     def from_json(cls, json: dict) -> Self:
         kind = json["kind"]

veilid-python/veilid/types.py

@@ -351,6 +351,9 @@ class DHTRecordDescriptor:
         self.owner_secret = owner_secret
         self.schema = schema
 
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__}(key={self.key!r})>"
+
     @classmethod
     def from_json(cls, j: dict) -> Self:
         return cls(
@@ -375,6 +378,9 @@ class ValueData:
         self.data = data
         self.writer = writer
 
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__}(seq={self.seq!r}, data={self.data!r}, writer={self.writer!r})>"
+
     def __lt__(self, other):
         if other is None:
             return True