E225 allows lambda function arguments with keyword defaults and print…

… statement extended form.

CHANGES.txt

@@ -5,11 +5,17 @@ Changelog
 0.5 (unreleased)
 ----------------
 
-* Reserve "2 blank lines" for module-level logical blocks (E303)
-
 * Performance improvement, due to rewriting of E225
 
-* E225 should allow no white space after unary operator (Issue #9)
+* E225 now accepts:
+
+  - no whitespace after unary operator or similar (Issue #9)
+
+  - lambda function with argument unpacking or keyword defaults
+
+  - print statement extended form: ``print >>sys.stderr, "Hello world!"``
+
+* Reserve "2 blank lines" for module-level logical blocks (E303)
 
 * Allow multi-line comments (E302, issue #10)
 
@@ -32,7 +38,7 @@ Changelog
 * Further improvements to the handling of comments and blank lines.
   (Issue #1 and others changes.)
 
-* check all py files in directory when passed a directory (Issue
+* Check all py files in directory when passed a directory (Issue
   #2). This also prevents an exception when traversing directories
   with non ``*.py`` files.
 

pep8.py

@@ -114,12 +114,11 @@ def blank_lines(logical_line, blank_lines, indent_level, line_number)
 
 WHITESPACE = ' \t'
 
-# Longer operators (containing others) must come first.
 BINARY_OPERATORS = """
-+= != **= //= /= %= ^= &= |= == >>= <<= <= >=
--= <>  *= //  /  %  ^  &  |  =  >>  <<  <  >
++= != %= ^= &= |= == **= //= >>= <<= // <<
+-= <> %  ^  &  |  =   *=  /=  >=  <= / < >
 """.split()
-UNARY_OPERATORS = ['**', '*', '+', '-']
+UNARY_OPERATORS = ['**', '*', '+', '-', '>>']
 OPERATORS = BINARY_OPERATORS + UNARY_OPERATORS
 
 options = None
@@ -446,9 +445,9 @@ def missing_whitespace_around_operator(logical_line, tokens):
     for token_type, text, start, end, line in tokens:
         if token_type in (tokenize.NL, tokenize.NEWLINE):
             continue
-        if text == '(':
+        if text in ('(', 'lambda'):
             parens += 1
-        elif text == ')':
+        elif text in (')', ':'):
             parens -= 1
         if need_space:
             if start == prev_end:

testsuite/E225not.py

@@ -8,5 +8,6 @@
 negative = -1
 spam(-1)
 lambda *args, **kw: (args, kw)
+lambda a, b='': (a, b)
 if not -5 < x < +5:
-    pass
+    print >>sys.stderr, "x is out of range."