From 3d0467d9a4394c4b994a802e6e861ff2562dbb2b Mon Sep 17 00:00:00 2001
From: Vladislav Poluhin
Date: Wed, 24 Apr 2013 11:14:34 +0800
Subject: Got rid of the circular imports

---
 debug_toolbar/utils/sql.py              | 15 +++++++++++++++
 debug_toolbar/utils/sqlparse/filters.py | 14 ++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 debug_toolbar/utils/sql.py

(limited to 'debug_toolbar/utils')

diff --git a/debug_toolbar/utils/sql.py b/debug_toolbar/utils/sql.py
new file mode 100644
index 0000000..909edf7
--- /dev/null
+++ b/debug_toolbar/utils/sql.py
@@ -0,0 +1,15 @@
+import re
+from debug_toolbar.utils import sqlparse
+from debug_toolbar.utils.sqlparse.filters import BoldKeywordFilter
+
+
+def reformat_sql(sql):
+    stack = sqlparse.engine.FilterStack()
+    stack.preprocess.append(BoldKeywordFilter())  # add our custom filter
+    stack.postprocess.append(sqlparse.filters.SerializerUnicode())  # tokens -> strings
+    return swap_fields(''.join(stack.run(sql)))
+
+
+def swap_fields(sql):
+    return re.sub('SELECT</strong> (.*?) <strong>FROM', 'SELECT</strong> <a class="djDebugUncollapsed djDebugToggle" href="#">&bull;&bull;&bull;</a> ' +
+        '<a class="djDebugCollapsed djDebugToggle" href="#">\g<1></a> <strong>FROM', sql)
diff --git a/debug_toolbar/utils/sqlparse/filters.py b/debug_toolbar/utils/sqlparse/filters.py
index 897cc90..6443a3c 100644
--- a/debug_toolbar/utils/sqlparse/filters.py
+++ b/debug_toolbar/utils/sqlparse/filters.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import re
+from django.utils.html import escape
 
 from debug_toolbar.utils.sqlparse import tokens as T
 from debug_toolbar.utils.sqlparse import sql
@@ -423,3 +424,16 @@ class OutputPHPFilter(Filter):
             varname = self.varname
         stmt.tokens = tuple(self._process(stmt.tokens, varname))
         return stmt
+
+
+class BoldKeywordFilter(Filter):
+    """sqlparse filter to bold SQL keywords"""
+    def process(self, stack, stream):
+        """Process the token stream"""
+        for token_type, value in stream:
+            is_keyword = token_type in T.Keyword
+            if is_keyword:
+                yield T.Text, '<strong>'
+            yield token_type, escape(value)
+            if is_keyword:
+                yield T.Text, '</strong>'
-- 
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