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feat: use aria2c for parallel downloads (8 connections, resumable)

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Replaces wget with aria2c -x8 -s8 for significantly faster
downloads, especially on high-latency connections. Falls back to
single-connection if the server doesn't support range requests.
This commit is contained in:
Claus Lohmar 2026-07-23 11:19:13 +00:00
parent d050b8e6ed
commit 9110eb41bd
2 changed files with 5 additions and 4 deletions
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8
frontend/app.py
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@ -228,10 +228,10 @@ def session_upload(
logger.info("Starting background download: %s → %s", url, dest) logger.info("Starting background download: %s → %s", url, dest)
try: try:
proc = subprocess.Popen( proc = subprocess.Popen(
["wget", "--progress=dot:giga", "-O", str(dest), url], ["aria2c", "-x8", "-s8", "-d", str(dest.parent), "-o", dest.name, url],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,
) )
except Exception as exc: except Exception as exc:
return JSONResponse({"phase": "error", "error": f"Failed to start download: {exc}"}, status_code=500) return JSONResponse({"phase": "error", "error": f"Failed to start download: {exc}"}, status_code=500)

1
frontend/install.sh
View file

@ -37,6 +37,7 @@ REQUIRED=(
python3-pip "pip3" python3-pip "pip3"
wget "wget" wget "wget"
curl "curl" curl "curl"
aria2 "aria2c"
openssh-client "scp" openssh-client "scp"
sshpass "sshpass" sshpass "sshpass"
) )