switch to pydantic

Signed-off-by: Jess Frazelle <github@jessfraz.com>

kittycad/models/base64data.py

@@ -1,35 +0,0 @@
-import base64
-import binascii
-
-
-class Base64Data:
-    def __init__(self, data: bytes):
-        """
-        Initializes the object.
-
-        If the provided data is already in base64 encoded format, it will store it.
-        If the data is a regular byte string, it will encode and then store it.
-        """
-        if self.is_base64(data):
-            self._data = str(data, "utf-8")
-        else:
-            encoded = base64.b64encode(data)
-            self._data = str(encoded, "utf-8")
-
-    @staticmethod
-    def is_base64(data: bytes) -> bool:
-        """Checks if given data is base64 encoded."""
-        try:
-            str_data = str(data, "utf-8")
-            _ = base64.urlsafe_b64decode(str_data.strip("=") + "===")
-            return True
-        except binascii.Error:
-            return False
-
-    def get_encoded(self) -> str:
-        """Returns the stored base64 encoded data."""
-        return self._data
-
-    def get_decoded(self) -> bytes:
-        """Returns the decoded byte string."""
-        return base64.urlsafe_b64decode(self._data.strip("=") + "===")