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Add retry mechanism to yt-dlp

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Yan Lin 2025-09-16 22:14:03 +02:00
parent 24e0bfc106
commit ee82dd245b
1 changed files with 66 additions and 32 deletions
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98
modules/yt-dlp.nix
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@ -91,6 +91,10 @@ in
DOWNLOAD_DIR="${cfg.downloadDir}"
DOWNLOAD_DIR="''${DOWNLOAD_DIR/#\~/$HOME}"
# Retry configuration
MAX_RETRIES=5
BASE_DELAY=5
# Helper function to create writable cookie file
_setup_temp_cookies() {
local cookies_file="$1"
@ -104,6 +108,36 @@ in
fi
}
# Retry wrapper function with exponential backoff
_retry_download() {
local cmd="$1"
local attempt=1
local delay=$BASE_DELAY
while [[ $attempt -le $MAX_RETRIES ]]; do
echo "Attempt $attempt/$MAX_RETRIES..."
eval "$cmd"
local result=$?
if [[ $result -eq 0 ]]; then
return 0
fi
if [[ $attempt -lt $MAX_RETRIES ]]; then
echo "Download failed, retrying in ''${delay}s..."
sleep $delay
delay=$((delay * 2)) # Exponential backoff
else
echo "All retry attempts failed"
fi
((attempt++))
done
return 1
}
# YouTube single video download
download-youtube() {
local url="$*"
@ -125,18 +159,18 @@ in
[[ -n "$temp_cookies" ]] && cmd="$cmd --cookies '$temp_cookies'" || cmd="$cmd --no-cookies"
cmd="$cmd --download-archive '$archive_file' -o '$output_template' '$url'"
eval $cmd
local result=$?
if _retry_download "$cmd"; then
echo "✓ Download completed successfully"
local result=0
else
echo "✗ Download failed after $MAX_RETRIES attempts"
local result=1
fi
# Clean up temp cookies
[[ -n "$temp_cookies" ]] && rm -f "$temp_cookies"
if [[ $result -eq 0 ]]; then
echo "✓ Download completed successfully"
else
echo "✗ Download failed"
return 1
fi
return $result
}
# YouTube playlist download
@ -160,18 +194,18 @@ in
[[ -n "$temp_cookies" ]] && cmd="$cmd --cookies '$temp_cookies'" || cmd="$cmd --no-cookies"
cmd="$cmd --download-archive '$archive_file' -o '$output_template' '$url'"
eval $cmd
local result=$?
if _retry_download "$cmd"; then
echo "✓ Playlist download completed successfully"
local result=0
else
echo "✗ Playlist download failed after $MAX_RETRIES attempts"
local result=1
fi
# Clean up temp cookies
[[ -n "$temp_cookies" ]] && rm -f "$temp_cookies"
if [[ $result -eq 0 ]]; then
echo "✓ Playlist download completed successfully"
else
echo "✗ Playlist download failed"
return 1
fi
return $result
}
# Bilibili single video download
@ -195,18 +229,18 @@ in
[[ -n "$temp_cookies" ]] && cmd="$cmd --cookies '$temp_cookies'" || cmd="$cmd --no-cookies"
cmd="$cmd --download-archive '$archive_file' -o '$output_template' '$url'"
eval $cmd
local result=$?
if _retry_download "$cmd"; then
echo "✓ Download completed successfully"
local result=0
else
echo "✗ Download failed after $MAX_RETRIES attempts"
local result=1
fi
# Clean up temp cookies
[[ -n "$temp_cookies" ]] && rm -f "$temp_cookies"
if [[ $result -eq 0 ]]; then
echo "✓ Download completed successfully"
else
echo "✗ Download failed"
return 1
fi
return $result
}
# Bilibili playlist/collection download
@ -230,18 +264,18 @@ in
[[ -n "$temp_cookies" ]] && cmd="$cmd --cookies '$temp_cookies'" || cmd="$cmd --no-cookies"
cmd="$cmd --download-archive '$archive_file' -o '$output_template' '$url'"
eval $cmd
local result=$?
if _retry_download "$cmd"; then
echo "✓ Playlist download completed successfully"
local result=0
else
echo "✗ Playlist download failed after $MAX_RETRIES attempts"
local result=1
fi
# Clean up temp cookies
[[ -n "$temp_cookies" ]] && rm -f "$temp_cookies"
if [[ $result -eq 0 ]]; then
echo "✓ Playlist download completed successfully"
else
echo "✗ Playlist download failed"
return 1
fi
return $result
}
# Function to show help and instructions