From 079d1c85ac2d075e8293c2f30cf13be3d36de22c Mon Sep 17 00:00:00 2001
From: BoYanZh <bomingzh@sjtu.edu.cn>
Date: Mon, 14 Jun 2021 09:30:57 +0800
Subject: [PATCH] feat: lazy loading

---
 joint_teapot/teapot.py | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/joint_teapot/teapot.py b/joint_teapot/teapot.py
index 807708c..082cf51 100644
--- a/joint_teapot/teapot.py
+++ b/joint_teapot/teapot.py
@@ -6,10 +6,27 @@ from joint_teapot.workers import Canvas, Git, Gitea
 
 
 class Teapot:
-    def __init__(self) -> None:
-        self.canvas = Canvas()
-        self.gitea = Gitea()
-        self.git = Git()
+    _canvas = None
+    _gitea = None
+    _git = None
+
+    @property
+    def canvas(self) -> Canvas:
+        if not self._canvas:
+            self._canvas = Canvas()
+        return self._canvas
+
+    @property
+    def gitea(self) -> Gitea:
+        if not self._gitea:
+            self._gitea = Gitea()
+        return self._gitea
+
+    @property
+    def git(self) -> Git:
+        if not self._git:
+            self._git = Git()
+        return self._git
 
     def create_personal_repos_for_all_canvas_students(self) -> List[str]:
         return self.gitea.create_personal_repos_for_canvas_students(