Generalize E275 to require space after all keywords, not just "import".

Author: anntzer

pycodestyle.py

@@ -480,20 +480,24 @@ def whitespace_around_keywords(logical_line):
 
 
 @register_check
-def missing_whitespace_after_import_keyword(logical_line):
-    r"""Multiple imports in form from x import (a, b, c) should have
-    space between import statement and parenthesised name list.
+def missing_whitespace_after_keyword(logical_line, tokens):
+    r"""Keywords should be followed by whitespace.
 
     Okay: from foo import (bar, baz)
     E275: from foo import(bar, baz)
     E275: from importable.module import(bar, baz)
+    E275: if(foo): bar
     """
-    line = logical_line
-    indicator = ' import('
-    if line.startswith('from '):
-        found = line.find(indicator)
-        if -1 < found:
-            pos = found + len(indicator) - 1
+    for tok0, tok1 in zip(tokens, tokens[1:]):
+        # This must exclude the True/False/None singletons, which can
+        # appear e.g. as "if x is None:", and async/await, which were
+        # valid identifier names in old Python versions.
+        if (tok0.end == tok1.start and
+                keyword.iskeyword(tok0.string) and
+                tok0.string not in SINGLETONS and
+                tok0.string not in ('async', 'await') and
+                tok1.string not in ':\n'):
+            line, pos = tok0.end
             yield pos, "E275 missing whitespace after keyword"
 
 

testsuite/E12not.py

@@ -40,8 +40,8 @@
 
 if start[1] > end_col and not (
         over_indent == 4 and indent_next):
-    return(0, "E121 continuation line over-"
-           "indented for visual indent")
+    return (0, "E121 continuation line over-"
+            "indented for visual indent")
 
 
 print "OK", ("visual",
@@ -175,7 +175,7 @@ def long_function_name(
 #
 
 if bar:
-    return(
+    return (
         start, 'E121 lines starting with a '
         'closing bracket should be indented '
         "to match that of the opening "

testsuite/E27.py

@@ -42,5 +42,10 @@
     from importable.module import(e, f)
 except ImportError:
     pass
+#: E275
+if(foo):
+    pass
+else:
+    pass
 #: Okay
 matched = {"true": True, "false": False}

testsuite/W19.py

@@ -41,8 +41,8 @@
 #: E101 E101 W191 W191
 if start[1] > end_col and not (
         over_indent == 4 and indent_next):
-	return(0, "E121 continuation line over-"
-	       "indented for visual indent")
+	return (0, "E121 continuation line over-"
+	        "indented for visual indent")
 #:
 
 #: E101 W191
@@ -58,7 +58,7 @@ def long_function_name(
 	raise Exception("%s,%s - %s" % (row, col, self.moduleCount))
 #: E101 E101 E101 E101 W191 W191 W191 W191 W191 W191
 if bar:
-	return(
+	return (
 	    start, 'E121 lines starting with a '
 	    'closing bracket should be indented '
 	    "to match that of the opening "