Add brain for sqlalchemy.orm.session

2 files changed, 33 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 0214e36b..63edff03 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,8 @@ What's New in astroid 2.5.0?
 ============================
 Release Date: TBA
 
+* Added a brain for ``sqlalchemy.orm.session``
+
 
 What's New in astroid 2.4.1?
 ============================
diff --git a/astroid/brain/brain_sqlalchemy.py b/astroid/brain/brain_sqlalchemy.py
new file mode 100644
index 00000000..9597c8d0
--- /dev/null
+++ b/astroid/brain/brain_sqlalchemy.py
@@ -0,0 +1,31 @@
+import astroid
+
+
+def _session_transform():
+    return astroid.parse('''
+    from sqlalchemy.orm.session import Session
+
+    class sessionmaker:
+        def __init__(
+            self,
+            bind=None,
+            class_=Session,
+            autoflush=True,
+            autocommit=False,
+            expire_on_commit=True,
+            info=None,
+            **kw
+        ):
+            return
+
+        def __call__(self, **local_kw):
+            return Session()
+
+        def configure(self, **new_kw):
+            return
+
+        return Session()
+    ''')
+
+
+astroid.register_module_extender(astroid.MANAGER, 'sqlalchemy.orm.session', _session_transform)