Merge pull request #613 from sigmavirus24/pr/523

Allow all dunder variables above imports

Author: sigmavirus24

pycodestyle.py

@@ -134,6 +134,7 @@
         'while',
     )))
 )
+DUNDER_REGEX = re.compile(r'^__([^\s]+)__ = ')
 
 # Work around Python < 2.6 behaviour, which does not generate NL after
 # a comment which is on a line by itself.
@@ -955,6 +956,8 @@ def is_string_literal(line):
     if line.startswith('import ') or line.startswith('from '):
         if checker_state.get('seen_non_imports', False):
             yield 0, "E402 module level import not at top of file"
+    elif re.match(DUNDER_REGEX, line):
+        return
     elif any(line.startswith(kw) for kw in allowed_try_keywords):
         # Allow try, except, else, finally keywords intermixed with imports in
         # order to support conditional importing

testsuite/E40.py

@@ -11,9 +11,17 @@
 
 import myclass
 import foo.bar.yourclass
-#: E402
+#: Okay
 __all__ = ['abc']
 
+import foo
+#: Okay
+__version__ = "42"
+
+import foo
+#: Okay
+__author__ = "Simon Gomizelj"
+
 import foo
 #: Okay
 try: