[WIP] Refactor code to be more modular

auth.py

@@ -0,0 +1,61 @@
+import json
+import os
+
+import asana
+from asana.session import AsanaOAuth2Session
+
+from secrets import CLIENT_ID, CLIENT_SECRET
+
+class Auth:
+    def __init__(self):
+        try:
+            f = open(".oauth", "r")
+            token = json.loads(f.readline())
+            f.close()
+            self.client = asana.Client.oauth(
+                client_id=CLIENT_ID,
+                client_secret=CLIENT_SECRET,
+                token=token,
+                token_updater=self.saveToken,
+                auto_refresh_url=AsanaOAuth2Session.token_url,
+                auto_refresh_kwargs={
+                    'client_id': CLIENT_ID,
+                    'client_secret': CLIENT_SECRET
+                },
+            )
+        except IOError:
+            self.getToken()
+
+    def saveToken(self, token):
+        f = open('.oauth', 'w')
+        f.write(json.dumps(token))
+        f.close()
+        os.chmod('.oauth', 0o600)
+
+    def getToken(self):
+        self.client = asana.Client.oauth(
+            client_id=CLIENT_ID,
+            client_secret=CLIENT_SECRET,
+            redirect_uri='urn:ietf:wg:oauth:2.0:oob',
+            token_updater=self.saveToken,
+            auto_refresh_url=AsanaOAuth2Session.token_url,
+            auto_refresh_kwargs={
+                'client_id': CLIENT_ID,
+                'client_secret': CLIENT_SECRET
+            },
+        )
+        (url, state) = self.client.session.authorization_url()
+        print("Go to the following link and enter the code:")
+        print(url)
+        try:
+            import webbrowser
+            webbrowser.open(url)
+        except Exception:
+            pass
+
+        code = sys.stdin.readline().strip()
+        token = self.client.session.fetch_token(code=code)
+        self.saveToken(token)
+
+    def getClient(self):
+        return self.client