Remove text file object support (#133)

* Remove text file object support

* rm one line

* Changelog

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Removed
   - Python 3.6 support
+  - Support for text file objects as `load` input. Use binary file objects instead.
 
 ## 1.2.2
 

README.md

@@ -67,7 +67,6 @@ with open("path_to_file/conf.toml", "rb") as f:
 The file must be opened in binary mode (with the `"rb"` flag).
 Binary mode will enforce decoding the file as UTF-8 with universal newlines disabled,
 both of which are required to correctly parse TOML.
-Support for text file objects is deprecated for removal in the next major release.
 
 ### Handle invalid TOML<a name="handle-invalid-toml"></a>
 

tests/test_misc.py

@@ -3,8 +3,6 @@
 from decimal import Decimal as D
 from pathlib import Path
 
-import pytest
-
 import tomli
 
 
@@ -14,13 +12,6 @@ def test_load(tmp_path):
     file_path = tmp_path / "test.toml"
     file_path.write_text(content)
 
-    # Test text mode
-    with open(file_path, encoding="utf-8", newline="") as f:
-        with pytest.warns(DeprecationWarning):
-            actual = tomli.load(f)  # type: ignore[arg-type]
-    assert actual == expected
-
-    # Test binary mode
     with open(file_path, "rb") as bin_f:
         actual = tomli.load(bin_f)
     assert actual == expected

tomli/_parser.py

@@ -4,7 +4,6 @@
 import string
 from types import MappingProxyType
 from typing import Any, BinaryIO, NamedTuple
-import warnings
 
 from tomli._re import (
     RE_DATETIME,
@@ -53,17 +52,7 @@ class TOMLDecodeError(ValueError):
 
 def load(fp: BinaryIO, *, parse_float: ParseFloat = float) -> dict[str, Any]:
     """Parse TOML from a binary file object."""
-    s_bytes = fp.read()
-    try:
-        s = s_bytes.decode()
-    except AttributeError:
-        warnings.warn(
-            "Text file object support is deprecated in favor of binary file objects."
-            ' Use `open("foo.toml", "rb")` to open the file in binary mode.',
-            DeprecationWarning,
-            stacklevel=2,
-        )
-        s = s_bytes  # type: ignore[assignment]
+    s = fp.read().decode()
     return loads(s, parse_float=parse_float)