product_library adds some fields to product and some utilities addons from OCA

database_cleanup/identifier_adapter.py

@@ -0,0 +1,24 @@
+# Copyright 2016 Therp BV <http://therp.nl>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from psycopg2.extensions import ISQLQuote
+
+
+class IdentifierAdapter(ISQLQuote):
+    def __init__(self, identifier, quote=True):
+        self.quote = quote
+        self.identifier = identifier
+
+    def __conform__(self, protocol):
+        if protocol == ISQLQuote:
+            return self
+
+    def getquoted(self):
+        def is_identifier_char(c):
+            return c.isalnum() or c in ['_', '$']
+
+        format_string = '"%s"'
+        if not self.quote:
+            format_string = '%s'
+        return format_string % ''.join(
+            filter(is_identifier_char, self.identifier)
+        )