[feat] add python tutorial0 & 1

Author: ChunelFeng

.gitignore

@@ -17,3 +17,4 @@
 /python/build
 /python/dist
 /python/PyCGraph.egg-info
+__pycache__

python/tutorial/MyPyGNode/HelloCGraphPyNode.py

@@ -0,0 +1,14 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: HelloCGraphPyNode
+@Time: 2025/2/21 23:30
+@Desc: 
+"""
+
+from PyCGraph import GNode, CStatus
+
+class HelloCGraphPyNode(GNode):
+    def run(self):
+        print("Hello PyCGraph")
+        return CStatus()

python/tutorial/MyPyGNode/MyPyNode1.py

@@ -0,0 +1,18 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: MyPyNode1
+@Time: 2025/2/21 23:47
+@Desc: 
+"""
+
+from datetime import datetime
+import time
+
+from PyCGraph import GNode, CStatus
+
+class MyPyNode1(GNode):
+    def run(self):
+        print("[{0}] {1}, enter MyPyNode1 run function. Sleep for 2 second ... ".format(datetime.now(), self.getName()))
+        time.sleep(1)
+        return CStatus()

python/tutorial/MyPyGNode/MyPyNode2.py

@@ -0,0 +1,26 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: MyPyNode2
+@Time: 2025/2/21 23:48
+@Desc: 
+"""
+
+from datetime import datetime
+import time
+
+from PyCGraph import GNode, CStatus
+
+class MyPyNode2(GNode):
+    def init(self):
+        print("[INIT] [{0}], enter MyNode2 init function.".format(self.getName()))
+        return CStatus()
+
+    def run(self):
+        print("[{0}] {1}, enter MyPyNode2 run function. Sleep for 2 second ... ".format(datetime.now(), self.getName()))
+        time.sleep(2)
+        return CStatus()
+
+    def destroy(self):
+        print("[DESTROY] [{0}], enter MyNode2 destroy function.".format(self.getName()))
+        return CStatus()

python/tutorial/MyPyGNode/__init__.py

@@ -0,0 +1,7 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: __init__.py
+@Time: 2025/2/21 23:26
+@Desc: 
+"""

python/tutorial/T00-HelloCGraph.py

@@ -0,0 +1,21 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: T00-HelloCGraph
+@Time: 2025/2/21 23:25
+@Desc: 
+"""
+
+from PyCGraph import GNode, GPipeline, CStatus
+
+from MyPyGNode.HelloCGraphPyNode import HelloCGraphPyNode
+
+def tutorial_hello_cgraph():
+    pipeline = GPipeline()
+    hcg = HelloCGraphPyNode()
+    pipeline.registerGElement(hcg)
+    pipeline.process()
+
+
+if __name__ == '__main__':
+    tutorial_hello_cgraph()

python/tutorial/T01-Simple.py

@@ -0,0 +1,32 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: T01-Simple
+@Time: 2025/2/21 23:57
+@Desc: 
+"""
+
+from PyCGraph import GNode, GPipeline, CStatus
+
+from MyPyGNode.MyPyNode1 import MyPyNode1
+from MyPyGNode.MyPyNode2 import MyPyNode2
+
+def tutorial_simple():
+    pipeline = GPipeline()
+    a, b, c, d = MyPyNode1(), MyPyNode2(), MyPyNode1(), MyPyNode2()
+
+    pipeline.registerGElement(a, set(), "nodeA")
+    pipeline.registerGElement(b, {a}, "nodeB")
+    pipeline.registerGElement(c, {a}, "nodeC")
+    pipeline.registerGElement(d, {b, c}, "nodeD")
+    pipeline.init()
+
+    for i in range(0, 3):
+        status = pipeline.run()
+        print("==== tutorial_simple, loop: {0}, and run status = {1}".format(i + 1, status.getCode()))
+
+    pipeline.destroy()
+
+
+if __name__ == '__main__':
+    tutorial_simple()

python/tutorial/__init__.py

@@ -0,0 +1,7 @@
+"""
+@Author: Chunel
+@Contact: chunel@foxmail.com
+@File: __init__.py
+@Time: 2025/2/21 22:26
+@Desc:
+"""