Move all __future__ statements below docstrings.

Otherwise the docstrings are not actually assigned to __doc__!  And
-emit-docstring=0 does not work!  They become unused constants that only
take up space.

asdl/arith_ast_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 arith_ast_test.py: Tests for arith_ast.py
 """
+from __future__ import print_function
 
 import cStringIO
 import unittest

asdl/arith_parse.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 arith_parse.py: Parse shell-like and C-like arithmetic.
 """
+from __future__ import print_function
 
 import sys
 

asdl/asdl_demo.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 asdl_demo.py
 """
+from __future__ import print_function
 
 import sys
 from asdl import asdl_ as asdl

asdl/front_end.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python
-from __future__ import print_function
 """
 front_end.py: Lexer and parser for the ASDL schema language.
 """
+from __future__ import print_function
 
 import re
 

asdl/gen_cpp.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 asdl_cpp.py
 
@@ -24,6 +23,7 @@
 Everything is decoded on the fly, or is a char*, which I don't think has to be
 aligned (because the natural alignment woudl be 1 byte anyway.)
 """
+from __future__ import print_function
 
 import sys
 

asdl/gen_python.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 gen_python.py
 
@@ -8,6 +7,7 @@
 TODO:
 - What about Id?  app_types?
 """
+from __future__ import print_function
 
 from asdl import visitor
 

asdl/py_meta_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 py_meta_test.py: Tests for py_meta.py
 """
+from __future__ import print_function
 
 import unittest
 

asdl/unpickle_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python -S
-from __future__ import print_function
 """
 unpickle_test.py: Tests for unpickle.py
 """
+from __future__ import print_function
 
 import unittest
 

core/args.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 args.py - Flag, option, and arg parsing for the shell.
 
@@ -56,6 +55,7 @@
 
 However I don't see these used anywhere!  I only see ':' used.
 """
+from __future__ import print_function
 
 import libc
 from core import util

core/braces.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 braces.py - Implementation of {andy,bob}@example.com
 
@@ -14,6 +13,7 @@
 - has Lit_Star, ?, [ ] -- globbing?
   - but after expansion do you still have those flags?
 """
+from __future__ import print_function
 
 import sys
 

core/builtin.py

@@ -5,7 +5,6 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 builtins.py - Implementation of builtins, along with their metadata.
 
@@ -25,6 +24,7 @@
 - syntax errors in special builtins may cause the shell to abort, but NOT for
   regular builtins?
 """
+from __future__ import print_function
 
 import os
 import signal

core/builtin_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python -S
-from __future__ import print_function
 """
 builtin_test.py: Tests for builtin.py
 """
+from __future__ import print_function
 
 import unittest
 

core/cmd_exec.py

@@ -5,7 +5,6 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 cmd_exec.py -- Interpreter for the command language.
 
@@ -14,6 +13,7 @@
 
 This just does head?  Last one wins.
 """
+from __future__ import print_function
 
 import os
 import resource

core/completion.py

@@ -5,7 +5,6 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 completion.py - Tab completion.
 
@@ -28,6 +27,7 @@
 bash note: most of this stuff is in pcomplete.c and bashline.c (4K lines!).
 Uses ITEMLIST with a bunch of flags.
 """
+from __future__ import print_function
 
 import atexit
 import os

core/completion_test.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 completion_test.py: Tests for completion.py
 """
+from __future__ import print_function
 
 import os
 import unittest

core/dev.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python
-from __future__ import print_function
 """
 dev.py - Devtools / introspection.
 """
+from __future__ import print_function
 
 import os
 

core/glob_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 glob_test.py: Tests for glob.py
 """
+from __future__ import print_function
 
 import re
 import unittest

core/id_kind_gen.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 id_kind_gen.py - Code generation for id_kind.py.
 """
+from __future__ import print_function
 
 import sys
 

core/id_kind_test.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 # Copyright 2016 Andy Chu. All rights reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -9,6 +8,7 @@
 """
 id_kind_test.py: Tests for id_kind.py
 """
+from __future__ import print_function
 
 import unittest
 

core/lexer_gen.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 lex_gen.py
 """
+from __future__ import print_function
 
 import cStringIO
 import sys

core/lexer_gen_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python -S
-from __future__ import print_function
 """
 lexer_gen_test.py: Tests for lexer_gen.py
 """
+from __future__ import print_function
 
 import unittest
 

core/libstr_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python -S
-from __future__ import print_function
 """
 libstr_test.py: Tests for libstr.py
 """
+from __future__ import print_function
 
 import unittest
 

core/main_loop.py

@@ -1,5 +1,4 @@
 #!/usr/bin/python
-from __future__ import print_function
 """
 main_loop.py
 
@@ -15,6 +14,7 @@
 ex.Execute() -- only used for tests
 ParseWholeFile() -- needs to check the here doc.
 """
+from __future__ import print_function
 
 from core import ui
 from core import util

core/process.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 process.py - Launch processes and manipulate file descriptors.
 """
+from __future__ import print_function
 
 import errno
 import fcntl

core/state.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 state.py - Interpreter state
 """
+from __future__ import print_function
 
 import cStringIO
 import os

core/test_builtin.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 test_builtin.py
 """
+from __future__ import print_function
 
 from core import expr_eval
 from core import util

core/ui.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 ui.py - User interface constructs.
 """
+from __future__ import print_function
 
 import sys
 

core/util.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 util.py - Common infrastructure.
 """
+from __future__ import print_function
 
 import cStringIO
 import os

core/word_eval_test.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 word_eval_test.py: Tests for word_eval.py
 """
+from __future__ import print_function
 
 import unittest
 

core/word_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 word_test.py: Tests for word.py
 """
+from __future__ import print_function
 
 import unittest
 

osh/asdl_gen.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 asdl_gen.py - Generate Python and C from OSH ASDL schemas.
 """
+from __future__ import print_function
 
 import os
 import pickle

osh/cmd_parse.py

@@ -5,10 +5,10 @@
 # You may obtain a copy of the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
-from __future__ import print_function
 """
 cmd_parse.py - Parse high level shell commands.
 """
+from __future__ import print_function
 
 from asdl import const
 

osh/lex_test.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-from __future__ import print_function
 """
 lex_test.py: Tests for lex.py
 """
+from __future__ import print_function
 
 import re
 import unittest