Refactor wo update

wo/cli/plugins/update.py

@@ -2,9 +2,10 @@ import os
 import time
 
 from cement.core.controller import CementBaseController, expose
-
+from requests import RequestException, get, json
 from wo.core.download import WODownload
 from wo.core.logging import Log
+from wo.core.variables import WOVar
 
 
 def wo_update_hook(app):
@@ -43,6 +44,23 @@ class WOUpdateController(CementBaseController):
     def default(self):
         pargs = self.app.pargs
         filename = "woupdate" + time.strftime("%Y%m%d-%H%M%S")
+
+        wo_current = WOVar.wo_version
+        try:
+            wo_github_latest = get(
+                'https://api.github.com/repos/WordOps/WordOps/releases/latest',
+                timeout=(5, 30)).json()
+        except RequestException:
+            Log.debug(
+                self, "Request to GitHub API failed. "
+                "Switching to Gitea instance")
+            wo_github_latest = get(
+                'https://git.virtubox.net/api/v1/repos/virtubox/WordOps/tags',
+                timeout=(5, 30)).json()
+            wo_latest = wo_github_latest[0]["name"]
+        else:
+            wo_latest = wo_github_latest["tag_name"]
+
         install_args = ""
         if pargs.mainline or pargs.beta:
             wo_branch = "mainline"
@@ -52,6 +70,12 @@ class WOUpdateController(CementBaseController):
             wo_branch = "master"
         if pargs.force:
             install_args = install_args + "--force "
+        else:
+            if not pargs.travis:
+                if wo_current == wo_latest:
+                    Log.error(
+                        self, "WordOps {0} is already installed"
+                        .format(wo_latest))
 
         if not os.path.isdir('/var/lib/wo/tmp'):
             os.makedirs('/var/lib/wo/tmp')