fix: add support for relative links

 Changes to be committed:
	modified:   octoprint_telegram/__init__.py

octoprint_telegram/__init__.py

@@ -12,7 +12,7 @@
 )  # dict of known notification messages
 from .emojiDict import telegramEmojiDict  # dict of known emojis
 from babel.dates import format_date, format_datetime, format_time
-
+import urllib.parse
 
 bytes_reader_class = io.BytesIO
 
@@ -2563,7 +2563,8 @@ def getUpdateMsgId(self, id):
     def take_image(self, snapshot_url=""):
         if snapshot_url == "":
             snapshot_url = self._settings.global_get(["webcam", "snapshot"])
-
+        if not urllib.parse.urlparse(snapshot_url).netloc:
+            snapshot_url = "http://localhost" + snapshot_url
         self._logger.debug("Snapshot URL: " + str(snapshot_url))
         data = None
         if snapshot_url:
@@ -2753,7 +2754,7 @@ def create_gif_new(self, chatID, sec=7, multicam_prof=0):
 
             if stream_url == 0:
                 stream_url = self._settings.global_get(["webcam", "stream"])
-            if "http" not in stream_url:
+            if not urllib.parse.urlparse(stream_url).netloc:
                 stream_url = "http://localhost" + stream_url
 
             if sec == 0: