updates

Backend/venv/lib/python3.12/site-packages/tomlkit/toml_char.py

@@ -0,0 +1,52 @@
+import string
+
+
+class TOMLChar(str):
+    def __init__(self, c):
+        super().__init__()
+
+        if len(self) > 1:
+            raise ValueError("A TOML character must be of length 1")
+
+    BARE = string.ascii_letters + string.digits + "-_"
+    KV = "= \t"
+    NUMBER = string.digits + "+-_.e"
+    SPACES = " \t"
+    NL = "\n\r"
+    WS = SPACES + NL
+
+    def is_bare_key_char(self) -> bool:
+        """
+        Whether the character is a valid bare key name or not.
+        """
+        return self in self.BARE
+
+    def is_kv_sep(self) -> bool:
+        """
+        Whether the character is a valid key/value separator or not.
+        """
+        return self in self.KV
+
+    def is_int_float_char(self) -> bool:
+        """
+        Whether the character if a valid integer or float value character or not.
+        """
+        return self in self.NUMBER
+
+    def is_ws(self) -> bool:
+        """
+        Whether the character is a whitespace character or not.
+        """
+        return self in self.WS
+
+    def is_nl(self) -> bool:
+        """
+        Whether the character is a new line character or not.
+        """
+        return self in self.NL
+
+    def is_spaces(self) -> bool:
+        """
+        Whether the character is a space or not
+        """
+        return self in self.SPACES