don't read whole file to detect encoding

5 years ago · d60e9fd0f6
parent 10daf4c45f
commit d60e9fd0f6
1 changed files with 8 additions and 8 deletions
--- a/yamllint/cli.py
+++ b/yamllint/cli.py
@ -31,7 +31,7 @@ from yamllint.linter import PROBLEM_LEVELS

 def determine_encoding(file):
    with io.open(file, 'rb') as raw_file:
-        data = raw_file.read()
+        data = raw_file.read(4)
    if data.startswith(codecs.BOM_UTF16_LE):
        encoding = 'utf-16-le'
    elif data.startswith(codecs.BOM_UTF16_BE):