Fixed (really) the session management.

src/api/controller/accounts.py

@@ -1,7 +1,6 @@
 
 from app import app
 from app import db
-from app import session
 
 from api.model.accounts import Account
 from api.model.entries import Entry
@@ -15,6 +14,7 @@ def get_accounts():
     """
     Returns accounts with their solds.
     """
+    session = db.create_scoped_session()
 
     query = session.query(
       Account.id.label("id"),
@@ -34,6 +34,8 @@ def get_accounts():
 
 @app.route("/api/accounts/<account_id>/months")
 def get_months(account_id):
+    session = db.create_scoped_session()
+
     query = session.query(
       distinct(extract("year", Entry.value_date)).label("year"),
       extract("month", Entry.value_date).label("month")
@@ -46,7 +48,8 @@ def get_months(account_id):
 
 @app.route("/api/accounts", methods=["PUT"])
 def add_account():
-    with session.begin():
+    session = db.create_scoped_session()
+
     try:
         account = Account(request.json['name'])
 
@@ -61,7 +64,8 @@ def add_account():
 
 @app.route("/api/accounts/<account_id>", methods=["PUT"])
 def update_account(account_id):
-    with session.begin():
+    session = db.create_scoped_session()
+
     try:
         account = session.query(Account).filter(Account.id == account_id).first()
 
@@ -77,7 +81,8 @@ def update_account(account_id):
 
 @app.route("/api/accounts/<account_id>", methods=["DELETE"])
 def delete_account(account_id):
-    with session.begin():
+    session = db.create_scoped_session()
+
     try:
         account = session.query(Account).filter(Account.id == account_id).first()
     

src/api/controller/entries.py

@@ -1,6 +1,5 @@
 from app import app
 from app import db
-from app import session
 
 from api.model.entries import Entry
 
@@ -18,6 +17,8 @@ def get_entries(account_id, year, month):
     """
     Return entries for an account, year, and month.
     """
+    session = db.create_scoped_session()
+
     query = session.query(
       Entry
     ).select_from(
@@ -45,7 +46,8 @@ def get_entries(account_id, year, month):
 
 @app.route("/api/entries", methods=["PUT"])
 def add_entry():
-    with session.begin():
+    session = db.create_scoped_session()
+
     try:
         entry = Entry(
           value_date = request.json['value_date'],
@@ -66,7 +68,8 @@ def add_entry():
 
 @app.route("/api/entries/<entry_id>", methods=["PUT"])
 def update_entry(entry_id):
-    with session.begin():
+    session = db.create_scoped_session()
+
     try:
         entry = session.query(Entry).filter(Entry.id == entry_id).first()
     
@@ -88,7 +91,8 @@ def update_entry(entry_id):
 
 @app.route("/api/entries/<entry_id>", methods=["DELETE"])
 def delete_entry(entry_id):
-    with session.begin():
+    session = db.create_scoped_session()
+
     try:
         entry = session.query(Entry).filter(Entry.id == entry_id).first()
     

src/app.py

@@ -9,5 +9,4 @@ app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://accountant:accountant@loca
 app.config['SQLALCHEMY_RECORD_QUERIES'] = True
 
 db = SQLAlchemy(app)
-session = db.create_scoped_session()