Issue #10335: Add tokenize.open(), detect the file encoding using
tokenize.detect_encoding() and open it in read only mode.
diff --git a/Lib/py_compile.py b/Lib/py_compile.py
index 111893e..d241434 100644
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -104,9 +104,7 @@
byte-compile all installed files (or all files in selected
directories).
"""
- with open(file, "rb") as f:
- encoding = tokenize.detect_encoding(f.readline)[0]
- with open(file, encoding=encoding) as f:
+ with tokenize.open(file) as f:
try:
timestamp = int(os.fstat(f.fileno()).st_mtime)
except AttributeError: