From f872ab0528b15cc9d9aa0d8011b0157e3db1939d Mon Sep 17 00:00:00 2001
From: Fredrik Lundh <fredrik@pythonware.com>
Date: Sat, 1 Jul 2000 17:50:59 +0000
Subject: today's SRE update:

-- changed 1.6 to 2.0 in the file headers

-- fixed ISALNUM macro for the unicode locale.  this
   solution isn't perfect, but the best I can do with
   Python's current unicode database.
---
 Lib/sre.py           |  2 +-
 Lib/sre_compile.py   |  2 +-
 Lib/sre_constants.py |  2 +-
 Lib/sre_parse.py     |  2 +-
 Modules/_sre.c       | 15 +++++++++++----
 5 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/Lib/sre.py b/Lib/sre.py
index 5e6aeeb853..a09184b2a0 100644
--- a/Lib/sre.py
+++ b/Lib/sre.py
@@ -6,7 +6,7 @@
 # Copyright (c) 1998-2000 by Secret Labs AB.  All rights reserved.
 #
 # Portions of this engine have been developed in cooperation with
-# CNRI.  Hewlett-Packard provided funding for 1.6 integration and
+# CNRI.  Hewlett-Packard provided funding for 2.0 integration and
 # other compatibility work.
 #
 
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 590e45fb42..14b1970d56 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -6,7 +6,7 @@
 # Copyright (c) 1997-2000 by Secret Labs AB.  All rights reserved.
 #
 # Portions of this engine have been developed in cooperation with
-# CNRI.  Hewlett-Packard provided funding for 1.6 integration and
+# CNRI.  Hewlett-Packard provided funding for 2.0 integration and
 # other compatibility work.
 #
 
diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py
index 45f4f482d2..39db58fd4f 100644
--- a/Lib/sre_constants.py
+++ b/Lib/sre_constants.py
@@ -7,7 +7,7 @@
 # Copyright (c) 1998-2000 by Secret Labs AB.  All rights reserved.
 #
 # Portions of this engine have been developed in cooperation with
-# CNRI.  Hewlett-Packard provided funding for 1.6 integration and
+# CNRI.  Hewlett-Packard provided funding for 2.0 integration and
 # other compatibility work.
 #
 
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index 53616f618f..0e01ad62db 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -6,7 +6,7 @@
 # Copyright (c) 1998-2000 by Secret Labs AB.  All rights reserved.
 #
 # Portions of this engine have been developed in cooperation with
-# CNRI.  Hewlett-Packard provided funding for 1.6 integration and
+# CNRI.  Hewlett-Packard provided funding for 2.0 integration and
 # other compatibility work.
 #
 
diff --git a/Modules/_sre.c b/Modules/_sre.c
index 46fe4ed679..3d6305a6ae 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -25,7 +25,7 @@
  * Copyright (c) 1997-2000 by Secret Labs AB.  All rights reserved.
  *
  * Portions of this engine have been developed in cooperation with
- * CNRI.  Hewlett-Packard provided funding for 1.6 integration and
+ * CNRI.  Hewlett-Packard provided funding for 2.0 integration and
  * other compatibility work.
  */
 
@@ -52,7 +52,7 @@ char copyright[] = " SRE 0.9.4 Copyright (c) 1997-2000 by Secret Labs AB ";
 #undef DEBUG
 
 #if PY_VERSION_HEX >= 0x01060000
-/* defining this enables unicode support (default under 1.6) */
+/* defining this enables unicode support (default under 1.6a1 and later) */
 #define HAVE_UNICODE
 #endif
 
@@ -143,11 +143,18 @@ static unsigned int sre_lower_unicode(unsigned int ch)
 {
     return (unsigned int) Py_UNICODE_TOLOWER((Py_UNICODE)(ch));
 }
-#define SRE_UNI_TO_LOWER(ch) Py_UNICODE_TOLOWER((Py_UNICODE)(ch))
+
+#if !defined(Py_UNICODE_ISALNUM)
+/* FIXME: workaround.  should be fixed in unicodectype.c */
+#define Py_UNICODE_ISALNUM(ch)\
+    (Py_UNICODE_ISLOWER(ch) || Py_UNICODE_ISUPPER(ch) ||\
+     Py_UNICODE_ISTITLE(ch) || Py_UNICODE_ISDIGIT(ch))
+#endif
+
 #define SRE_UNI_IS_DIGIT(ch) Py_UNICODE_ISDIGIT((Py_UNICODE)(ch))
 #define SRE_UNI_IS_SPACE(ch) Py_UNICODE_ISSPACE((Py_UNICODE)(ch))
 #define SRE_UNI_IS_LINEBREAK(ch) Py_UNICODE_ISLINEBREAK((Py_UNICODE)(ch))
-#define SRE_UNI_IS_ALNUM(ch) ((ch) < 256 ? isalnum((ch)) : 0)
+#define SRE_UNI_IS_ALNUM(ch) Py_UNICODE_ISALNUM((Py_UNICODE)(ch))
 #define SRE_UNI_IS_WORD(ch) (SRE_IS_ALNUM((ch)) || (ch) == '_')
 #endif
 
-- 
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