Add script for checking for updates for obsidian (only tested on linux mint)

ObsidianUpdateChecker/main.py

@@ -0,0 +1,66 @@
+# Import json parsing and urllib
+import json
+import urllib.request
+# Import subprocess for running dpkg
+import subprocess
+
+# Endpoint for the latest release
+API_URL = "https://api.github.com/repos/obsidianmd/obsidian-releases/releases/latest"
+
+# DEB file name, will be filled in later
+DEB_NAME = ""
+# URL for the latest deb file, will be filled in later
+DEB_URL = ""
+# Version number, will be filled in later
+DEB_VERSION = ""
+# Installed version number, will be filled in later
+INSTALLED_VERSION = ""
+
+# Get the latest release from the API
+with urllib.request.urlopen(API_URL) as url:
+    data = json.loads(url.read().decode())
+    assets = data["assets"]
+    for asset in assets
+        if asset["name"].endswith(".deb"):
+            DEB_NAME = asset["name"]
+            DEB_URL = asset["browser_download_url"]
+
+# Parse the version number from the deb file name
+# Example: obsidian_0.12.15_amd64.deb -> 0.12.15
+DEB_VERSION = DEB_NAME.split("_")[1]
+
+print("Latest version: " + DEB_VERSION)
+
+# Get the installed version number by parsing the output of dpkg -s obsidian
+output = subprocess.run(["dpkg", "-s", "obsidian"], capture_output=True)
+# Parse the output for the version number
+# Example: Version: 0.12.15
+for line in output.stdout.decode().split("\n"):
+    if line.startswith("Version:"):
+        INSTALLED_VERSION = line.split(" ")[1]
+
+print("Installed version: " + INSTALLED_VERSION)
+
+def semver_check_new(old, new):
+    # Split the version numbers into arrays of numbers
+    old_split = old.split(".")
+    new_split = new.split(".")
+    # Loop through the numbers
+    for i in range(len(old_split)):
+        # If the new version is higher, return true
+        if int(new_split[i]) > int(old_split[i]):
+            return True
+    # If the new version is the same or lower, return false
+    return False
+
+# Check if the new version is higher than the installed version
+if semver_check_new(INSTALLED_VERSION, DEB_VERSION):
+    print("New version available!")
+    # Download the deb file
+    urllib.request.urlretrieve(DEB_URL, DEB_NAME)
+    # Install the deb file
+    subprocess.run(["pkexec", "apt", "install", f"./{DEB_NAME}"])
+    # Remove the deb file
+    subprocess.run(["rm", DEB_NAME])
+else:
+    print("No new version available")