feat: get version from file

Add function to get the version from the gitea file if the web api does fail.

Should implement the idea from GH-8

functions.py

@@ -49,3 +49,23 @@ def is_tool(name):
     from shutil import which
 
     return which(name) is not None
+
+def parseFileVersion(string):
+    return string.split(" ")[2]
+
+def getVersionFromFile():
+    version_string = os.popen(settings.gtfile+" -v").read()
+    return parseFileVersion(version_string)
+
+# Function to get the current version
+def getCurrentVersion():
+    try:
+        # Try to get the version from the file
+        current_version = getVersionFromFile()
+    except:
+        # Get the version via the web api if the file does fail
+        current_version = requests.get(settings.gtsite).json()['version']
+        if current_version.status_code != 200:
+            current_version = getVersionFromFile()
+    finally:
+        return current_version

settings.py

@@ -7,6 +7,7 @@ All rights reserved.
 License: GNU General Public License
 '''
 # Gitea Site
+# Optional - the script will get the version from the gitea file if you change the url to a empty string
 gtsite = 'https://your-gitea-instance.com/api/v1/version'
 # Gitea GitHub API URL for latest Relase
 gtgithubapiurl = 'https://api.github.com/repos/go-gitea/gitea/releases/latest'

tests.py

@@ -29,5 +29,8 @@ class Tests(unittest.TestCase):
     def testSuffix(self):
         self.assertTrue(functions.checkVersion('1.9.0+dev-264-g8de76b6e6', '1.8.0'))
 
+    def testParseFileVersion(self):
+        self.assertEqual(functions.parseFileVersion('Gitea version 1.8.1 built with go1.12.2 : bindata, sqlite, sqlite_unlock_notify'), '1.8.1')
+
 if __name__ == '__main__':
     unittest.main()

updater.py

@@ -16,7 +16,7 @@ if not functions.is_tool("xz"):
 	quit()
 
 # Version from gitea site
-current_version = requests.get(settings.gtsite).json()['version']
+current_version = functions.getCurrentVersion()
 print ("current_version =", current_version)
 # Get version tag from github and remove first char (v)
 github_version_tag = requests.get(settings.gtgithubapiurl).json()['tag_name']