check-code: more tests and more robust python filtering

contrib/check-code.py

@@ -14,6 +14,12 b' def repquote(m):'
     t = re.sub(r"[^\sx]", "o", t)
     return m.group('quote') + t + m.group('quote')
 
+def reppython(m):
+    comment = m.group('comment')
+    if comment:
+        return "#" * len(comment)
+    return repquote(m)
+
 def repcomment(m):
     return m.group(1) + "#" * len(m.group(2))
 
@@ -96,10 +102,10 b' pypats = ['
 ]
 
 pyfilters = [
-    (r"""(?msx)(?P<quote>('''|\"\"\"|(?<!')'(?!')|(?<!")"(?!")))
-         (?P<text>(.*?))
-         (?<!\\)(?P=quote)""", repquote),
-    (r"( *)(#([^\n]*\S)?)", repcomment),
+    (r"""(?msx)(?P<comment>\#.*?$)|
+         ((?P<quote>('''|\"\"\"|(?<!')'(?!')|(?<!")"(?!")))
+          (?P<text>(([^\\]|\\.)*?))
+          (?P=quote))""", reppython),
 ]
 
 cpats = [

tests/test-check-code

@@ -13,11 +13,13 b' def toto( arg1, arg2):'
 EOF
 
 cat > quote.py <<EOF
+# let's use quote in comments
 (''' ( 4x5 )
-but """\''' and finally''',
+but """\\''' and finally''',
 """let's fool checkpatch""", '1+2',
 '"""', 42+1, """and
 ( 4-1 ) """, "( 1+1 )\" and ")
+a, '\\\\\\\\', "\\\\\\" x-2", "c-1"
 EOF
 
 check_code=`dirname $0`/../contrib/check-code.py

tests/test-check-code.out

@@ -8,6 +8,6 b''
  >     return ( 5+6, 9)
  missing whitespace in expression
  gratuitous whitespace in () or []
-./quote.py:4:
+./quote.py:5:
  > '"""', 42+1, """and
  missing whitespace in expression