[Python-checkins] cpython: revert code which conditionally writes Python-ast.h (closes #12727)

[benjamin.peterson]

http://hg.python.org/cpython/rev/5e005773feaa
changeset:   71819:5e005773feaa
parent:      71815:76964d70c81c
user:        Benjamin Peterson <benjamin at python.org>
date:        Thu Aug 11 14:42:28 2011 -0500
summary:
  revert code which conditionally writes Python-ast.h (closes #12727)

files:
  Parser/asdl_c.py |  26 +++-----------------------
  1 files changed, 3 insertions(+), 23 deletions(-)


diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -4,10 +4,7 @@
 # TO DO
 # handle fields that have a type but no name
 
-import errno
-import os
-import sys
-import StringIO
+import os, sys
 import subprocess
 
 import asdl
@@ -1158,7 +1155,7 @@
         sys.exit(1)
     if INC_DIR:
         p = "%s/%s-ast.h" % (INC_DIR, mod.name)
-        f = StringIO.StringIO()
+        f = open(p, "w")
         f.write(auto_gen_msg)
         f.write('#include "asdl.h"\n\n')
         c = ChainOfVisitors(TypeDefVisitor(f),
@@ -1169,24 +1166,7 @@
         f.write("PyObject* PyAST_mod2obj(mod_ty t);\n")
         f.write("mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode);\n")
         f.write("int PyAST_Check(PyObject* obj);\n")
-        s = f.getvalue()
-        write = True
-        try:
-            fp = open(p, "r")
-        except IOError, e:
-            if e.errno != errno.ENOENT:
-                raise
-        else:
-            try:
-                write = fp.read() != s
-            finally:
-                fp.close()
-        if write:
-            fp = open(p, "w")
-            try:
-                fp.write(s)
-            finally:
-                fp.close()
+        f.close()
 
     if SRC_DIR:
         p = os.path.join(SRC_DIR, str(mod.name) + "-ast.c")

-- 
Repository URL: http://hg.python.org/cpython