From b00f23f9ecfa821b793835f8f92332538ee7b9ea Mon Sep 17 00:00:00 2001
From: minwook-shin <minwook0106@gmail.com>
Date: Sat, 5 Oct 2024 11:09:39 +0900
Subject: [PATCH] release 0.4.0

---
 Changelog.md               | 13 +++++++++++++
 README.md                  |  4 ++--
 f_scheduler/modules/dag.py |  1 +
 pyproject.toml             |  2 +-
 4 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index 12b989b..2dd555c 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## Release 0.4.0
+
+### Features
+
+- add graphlib library to check cycle in the scheduler
+  - raise error if cycle is detected
+
+```python
+from f_scheduler import DAG
+
+dag = DAG(use_graphlib=True)
+```
+
 ## Release 0.3.0
 
 ### Features
diff --git a/README.md b/README.md
index c49942f..0fd9f8a 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ pip install f-scheduler
 from f_scheduler import ConditionOperator, DefaultFunctionOperator, IterFunctionOperator, DAG, Converter
 
 # create a DAG
-dag = DAG()
+dag = DAG(use_graphlib=True)
 
 # add tasks to the DAG
 dag.add_task(DefaultFunctionOperator(function=print, param=(['hello']), task_id='hello_task'))
@@ -38,7 +38,7 @@ task_order = ['hello_task', 'condition_task', 'iter_task', 'bye_task']
 # set the dependency between tasks
 # using the converter
 converter = Converter(dag)
-converter.convert_list_to_dag(task_order).run('hello_task')
+converter.convert_list_to_dag(task_order).run()
 # or dag.set_downstream('hello_task', 'condition_task')
 # dag.set_downstream('condition_task', 'iter_task')
 
diff --git a/f_scheduler/modules/dag.py b/f_scheduler/modules/dag.py
index 639e9b2..d7ef1c9 100644
--- a/f_scheduler/modules/dag.py
+++ b/f_scheduler/modules/dag.py
@@ -28,6 +28,7 @@ def run(self, start_task_id=None):
             start_task.run()
         else:
             order = list(self.graph.static_order())
+            order.reverse()
             for task_id in order:
                 self.tasks[task_id].run()
 
diff --git a/pyproject.toml b/pyproject.toml
index bd32143..01501c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ exclude = ['f_scheduler*tests']
 
 [project]
 name = "f-scheduler"
-version = "0.3.0"
+version = "0.4.0"
 description = "Simplify Function Scheduler with Python 3"
 authors = [
     {name = "minwook-shin", email = "minwook0106@gmail.com"},