No internet connection handling

faugus/components.py

@@ -14,12 +14,14 @@ UMU_VERSION_FILE = os.path.join(UMU_INSTALL_DIR, "version.txt")
 UMU_BIN_PATH = os.path.join(UMU_INSTALL_DIR, "umu-run")
 
 def get_latest_umu_version():
-    r = requests.get(UMU_VERSION_API)
-    if r.status_code == 200:
-        releases = r.json()
-        if releases:
-            return releases[0]["tag_name"]
-    return None
+    try:
+        r = requests.get(UMU_VERSION_API, timeout=5)
+        if r.status_code == 200:
+            releases = r.json()
+            if releases:
+                return releases[0]["tag_name"]
+    except Exception:
+        return None
 
 def get_installed_umu_version():
     if os.path.exists(UMU_VERSION_FILE):
@@ -28,23 +30,34 @@ def get_installed_umu_version():
     return None
 
 def download_umu_run(version):
-    os.makedirs(UMU_INSTALL_DIR, exist_ok=True)
-    url = UMU_URL_TEMPLATE.format(version)
-    r = requests.get(url)
-    if r.status_code == 200:
+    try:
+        os.makedirs(UMU_INSTALL_DIR, exist_ok=True)
+        url = UMU_URL_TEMPLATE.format(version)
+        r = requests.get(url, timeout=10)
+
+        if r.status_code != 200:
+            return
+
         with open(UMU_BIN_PATH, "wb") as f:
             f.write(r.content)
+
         os.chmod(UMU_BIN_PATH, 0o755)
+
         with open(UMU_VERSION_FILE, "w") as f:
             f.write(version)
+
         print("Updating UMU-Launcher...", version, flush=True)
-    else:
-        print("Failed to download UMU-Launcher:", r.status_code, flush=True)
+    except Exception:
+        return
 
 def update_umu():
     latest = get_latest_umu_version()
     current = get_installed_umu_version()
-    if latest and (latest != current or not os.path.exists(UMU_BIN_PATH)):
+
+    if latest is None:
+        return
+
+    if latest != current or not os.path.exists(UMU_BIN_PATH):
         download_umu_run(latest)
     else:
         print("UMU-Launcher is up to date.", flush=True)
@@ -59,12 +72,12 @@ REPO_URL = "https://api.github.com/repos/Faugus/components/releases/latest"
 VERSION_FILE = f"{DOWNLOAD_DIR}/version.txt"
 
 def get_latest_version():
-    response = requests.get(REPO_URL)
-    if response.status_code == 200:
-        release_info = response.json()
-        return release_info['tag_name']
-    else:
-        print(f"Failed to access {REPO_URL}. Status code: {response.status_code}", flush=True)
+    try:
+        response = requests.get(REPO_URL, timeout=5)
+        if response.status_code == 200:
+            release_info = response.json()
+            return release_info['tag_name']
+    except Exception:
         return None
 
 def get_installed_version():
@@ -74,11 +87,14 @@ def get_installed_version():
     return None
 
 def download_and_extract(url, download_dir):
-    file_name = url.split('/')[-1]
-    download_path = os.path.join(download_dir, file_name)
+    try:
+        file_name = url.split('/')[-1]
+        download_path = os.path.join(download_dir, file_name)
+
+        response = requests.get(url, stream=True, timeout=15)
+        if response.status_code != 200:
+            return
 
-    response = requests.get(url, stream=True)
-    if response.status_code == 200:
         with open(download_path, "wb") as f:
             f.write(response.content)
 
@@ -86,8 +102,8 @@ def download_and_extract(url, download_dir):
             tar.extractall(path=download_dir, filter=lambda tarinfo, path: tarinfo)
 
         os.remove(download_path)
-    else:
-        print(f"Failed to download {file_name}. Status code: {response.status_code}", flush=True)
+    except Exception:
+        return
 
 def check_for_updates():
     latest_version = get_latest_version()

faugus/proton_downloader.py

@@ -27,8 +27,11 @@ CONFIGS = {
 
 
 def get_latest_tag_and_url(api, archive_ext):
-    with urllib.request.urlopen(api) as r:
-        data = json.loads(r.read())
+    try:
+        with urllib.request.urlopen(api, timeout=5) as r:
+            data = json.loads(r.read())
+    except Exception:
+        return None, None
 
     asset = next(
         (a for a in data.get("assets", []) if a["name"].endswith(archive_ext)),
@@ -72,8 +75,11 @@ def install_proton_latest(proton_dir, url, label):
     archive = STEAM_COMPAT_DIR / url.split("/")[-1]
     tmp = STEAM_COMPAT_DIR / "__proton_tmp__"
 
-    print(f"Downloading {label}...", flush=True)
-    urllib.request.urlretrieve(url, archive)
+    try:
+        print(f"Downloading {label}...", flush=True)
+        urllib.request.urlretrieve(url, archive)
+    except Exception:
+        return
 
     print(f"Extracting {label}...", flush=True)
     tmp.mkdir(exist_ok=True)