# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1457659618 -32400
# Node ID ae522fb493d41c5147ff5399b033bc3ff93c6445
# Parent  00e6e0d0bfeb049b797215f9c2436d7edbb41fda
test: make check-py3-compat.py ignore empty code more reliably

It couldn't exclude an empty file containing comments. That's why
hgext/__init__.py had been listed in test-check-py3-compat.t before
"hgext: officially turn 'hgext' into a namespace package".

diff -r 00e6e0d0bfeb -r ae522fb493d4 contrib/check-py3-compat.py
--- a/contrib/check-py3-compat.py	Fri Mar 11 22:30:43 2016 +0800
+++ b/contrib/check-py3-compat.py	Fri Mar 11 10:26:58 2016 +0900
@@ -16,12 +16,12 @@
     """Check Python 3 compatibility for a file."""
     with open(f, 'rb') as fh:
         content = fh.read()
+    root = ast.parse(content)
 
     # Ignore empty files.
-    if not content.strip():
+    if not root.body:
         return
 
-    root = ast.parse(content)
     futures = set()
     haveprint = False
     for node in ast.walk(root):