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python/packages/sqlobject/rdbhost/__init__.py

@@ -0,0 +1,7 @@
+from sqlobject.dbconnection import registerConnection
+
+def builder():
+    import rdbhostconnection
+    return rdbhostconnection.RdbhostConnection
+
+registerConnection(['rdbhost'], builder)

python/packages/sqlobject/rdbhost/rdbhostconnection.py

@@ -0,0 +1,78 @@
+"""
+This module written by David Keeney, 2009, 2010
+
+Released under the LGPL for use with the SQLObject ORM library.
+"""
+
+import re
+from sqlobject import col
+from sqlobject import sqlbuilder
+from sqlobject.converters import registerConverter
+from sqlobject.dbconnection import DBAPI
+from sqlobject.postgres.pgconnection import PostgresConnection
+
+class RdbhostConnection(PostgresConnection):
+
+    supportTransactions = False
+    dbName = 'rdbhost'
+    schemes = [dbName]
+
+    def __init__(self, dsn=None, host=None, port=None, db=None,
+                 user=None, password=None, unicodeCols=False, driver='rdbhost',
+                 **kw):
+        drivers = driver
+        for driver in drivers.split(','):
+            driver = driver.strip()
+            if not driver:
+                continue
+            try:
+                if driver == 'rdbhost':
+                    from rdbhdb import rdbhdb as rdb
+                    # monkey patch % escaping into Cursor._execute
+                    old_execute = getattr(rdb.Cursor, '_execute')
+                    setattr(rdb.Cursor, '_old_execute', old_execute)
+                    def _execute(self, query, *args):
+                        assert not any([a for a in args])
+                        query = query.replace('%', '%%')
+                        self._old_execute(query, (), (), ())
+                    setattr(rdb.Cursor, '_execute', _execute)
+                    self.module = rdb
+                else:
+                    raise ValueError('Unknown Rdbhost driver %s' % driver)
+            except ImportError:
+                pass
+            else:
+                break
+        else:
+            raise ImportError('Cannot find the Rdbhost driver')
+        self.user = user
+        self.host = host
+        self.port = port
+        self.db = db
+        self.password = password
+        self.dsn_dict = dsn_dict = {}
+        self.use_dsn = dsn is not None
+        if host:
+            dsn_dict["host"] = host
+        if user:
+            dsn_dict["role"] = user
+        if password:
+            dsn_dict["authcode"] = password
+        if dsn is None:
+            dsn = []
+            if db:
+                dsn.append('dbname=%s' % db)
+            if user:
+                dsn.append('user=%s' % user)
+            if password:
+                dsn.append('password=%s' % password)
+            if host:
+                dsn.append('host=%s' % host)
+            if port:
+                dsn.append('port=%d' % port)
+            dsn = ' '.join(dsn)
+        self.dsn = dsn
+        self.unicodeCols = unicodeCols
+        self.schema = kw.pop('schema', None)
+        self.dbEncoding = 'utf-8'
+        DBAPI.__init__(self, **kw)