X-Git-Url: https://git.saurik.com/cyql.git/blobdiff_plain/0a3825ab303f4c9f1d515b612f54b72d769be81b..f392523d5d61f3447a05a319ec2e703dcc7a9596:/__init__.py

diff --git a/__init__.py b/__init__.py
index e01c533..9fc8d31 100644
--- a/__init__.py
+++ b/__init__.py
@@ -15,6 +15,7 @@ import psycopg2.extras
 import psycopg2.pool
 
 psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
+psycopg2.extensions.register_type(psycopg2.extensions.UNICODEARRAY)
 
 class connect(object):
     def __init__(self, dsn):
@@ -30,10 +31,15 @@ class connect(object):
 
         try:
             self.driver.set_client_encoding('UNICODE')
-            self.driver.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
+            self.driver.autocommit = True
         except:
             self.driver.close()
 
+        try:
+            psycopg2.extras.register_hstore(self.driver, globally=False, unicode=True)
+        except psycopg2.ProgrammingError, e:
+            pass
+
     def close(self):
         self.driver.close()
 
@@ -43,6 +49,15 @@ class connect(object):
     def __exit__(self, type, value, traceback):
         self.close()
 
+    def begin(self):
+        self.driver.autocommit = False
+
+    def commit(self):
+        self.driver.commit()
+
+    def rollback(self):
+        self.driver.rollback()
+
     @contextmanager
     def cursor(self):
         cursor = self.driver.cursor(cursor_factory=psycopg2.extras.DictCursor)
@@ -102,7 +117,7 @@ class connect(object):
 
     @contextmanager
     def transact(self, synchronous_commit=True):
-        self.driver.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_READ_COMMITTED)
+        self.driver.autocommit = False
         try:
             with self.cursor() as cursor:
                 if not synchronous_commit:
@@ -114,10 +129,10 @@ class connect(object):
             self.driver.rollback()
             raise
         finally:
-            self.driver.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
+            self.driver.autocommit = True
 
-    def one_(self, statement):
-        with self.execute(statement, 2) as cursor:
+    def one_(self, statement, context=None):
+        with self.execute(statement, 2, context) as cursor:
             one = cursor.fetchone()
             if one == None:
                 return None
@@ -138,12 +153,12 @@ class connect(object):
         with self.execute(statement, 1) as cursor:
             yield cursor
 
-    def all(self, statement):
-        with self.execute(statement, 1) as cursor:
+    def all(self, statement, context=None):
+        with self.execute(statement, 1, context) as cursor:
             return cursor.fetchall()
 
-    def one(self, statement):
-        return self.one_(statement)
+    def one(self, statement, context=None):
+        return self.one_(statement, context)
 
     def has(self, statement):
         exists, = self.one_('select exists(%s)' % (statement,))