Handle non-unicode files being passed as arguments.

Author: domdfcoding

formate/__main__.py

@@ -144,7 +144,13 @@ def main(
 
 			continue
 
-		r = Reformatter(path, config=config)
+		try:
+			r = Reformatter(path, config=config)
+		except UnicodeDecodeError as e:
+			if verbose >= 2:
+				click.echo(f"Skipping {path} due to incorrect encoding: {e}")
+
+			continue
 
 		with handle_tracebacks(show_traceback, cls=SyntaxTracebackHandler):
 			with syntaxerror_for_file(path):

tests/image.png

@@ -1,5 +1,6 @@
 # stdlib
 import re
+import shutil
 from typing import List, Mapping, Union, no_type_check
 
 # 3rd party
@@ -307,6 +308,27 @@ def test_cli_verbose_verbose_no_supported_hooks(
 	check_out(result, advanced_data_regression)
 
 
+@pytest.mark.usefixtures("demo_environment")
+def test_cli_verbose_verbose_unicode_error(
+		tmp_pathplus: PathPlus,
+		advanced_data_regression: AdvancedDataRegressionFixture,
+		):
+
+	result: Result
+	shutil.copy2(PathPlus(__file__).parent / "image.png", tmp_pathplus / "image.png")
+
+	with in_directory(tmp_pathplus):
+		runner = CliRunner(mix_stderr=False)
+		result = runner.invoke(
+				main,
+				args=["code.py", "image.png", "--no-colour", "--diff", "--verbose", "-v"],
+				)
+
+	assert result.exit_code == 1
+
+	check_out(result, advanced_data_regression)
+
+
 @pytest.mark.usefixtures("demo_environment")
 @max_version("3.9.9", reason="Output differs on Python 3.10+")
 @not_pypy("Output differs on PyPy")

tests/test_integration.py

@@ -0,0 +1,29 @@
+err:
+- ''
+out:
+- Reformatting code.py
+- "--- code.py\t(original)"
+- "+++ code.py\t(reformatted)"
+- '@@ -1,12 +1,12 @@'
+- ' class F:'
+- "-\tfrom collections import ("
+- -Iterable,
+- "-\tCounter,"
+- "-\t\t)"
+- "+\t# stdlib"
+- "+\tfrom collections import Counter"
+- "+\tfrom collections.abc import Iterable"
+- ''
+- " \tdef foo(self):"
+- " \t\tpass"
+- ''
+- -print('hello world')
+- -assert t.uname == '\udce4\udcf6\udcfc'
+- ''
+- +print("hello world")
+- +assert t.uname == "\udce4\udcf6\udcfc"
+- +
+- ''
+- 'Skipping image.png due to incorrect encoding: ''utf-8'' codec can''t decode byte
+  0x89 in position 0: invalid start byte'
+- ''