This project has been archived by its maintainers, and is no longer receiving any updates.
Simple Storage Service pre-Signed Downloader (s4dl)
Disclaimer
This script and the following documentation are mostly generated by Claude 3.5 Sonnet using Cursor IDE. SSL certificates are not verified during download.
Description
A simple async downloader for S3 pre-signed URLs. Efficiently downloads files in parallel with proper error handling and progress tracking.
Features
- Fast parallel downloads using asyncio
- Progress bar with ETA
- Handles SSL certificate issues
- Safe downloads using temporary files
- Skips existing files
- Simple command-line interface
Installation
pip install s4dl
Usage
Basic usage:
s4dl urls.txt [output_dir]
Where:
urls.txt: File containing one pre-signed URL per lineoutput_dir: Optional destination directory (default: current directory)
Example:
s4dl urls.txt ./downloads
Error Handling
- Skips files that already exist
- Continues downloading on errors
- Uses temporary files to prevent partial downloads
- Logs errors for failed downloads
Requirements
- Python ≥3.7
- aiohttp
- aiofiles
- tqdm
1 maintainer
Metadata
1 maintainer
Release files for s4dl 0.4.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| s4dl-0.4.2.tar.gz | 5.3 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| s4dl-0.4.2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 10.5 kB
Release files / s4dl-0.4.2.tar.gz
| Download URL | s4dl-0.4.2.tar.gz |
|---|---|
| Size | 5.3 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
37d23021354daf0ce8289f559f459d33d24fa05edc25cf2bcd6b80ba42adb5c5
|
|
BLAKE2b-256 checksum How to use checksums |
3cc39a733187ec3ed74f190fea595d73b397eab501cd16ece6cae53c4993726f
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/6.1.0 CPython/3.13.7
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Jan 22, 2026.
Transparency logRelease files / s4dl-0.4.2-py3-none-any.whl
| Download URL | s4dl-0.4.2-py3-none-any.whl |
|---|---|
| Size | 5.2 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
30c473a57aeb8a7b7a1104f98284a5be60ddb5bda9d304390be2a7408cc81518
|
|
BLAKE2b-256 checksum How to use checksums |
2a67d7fcec76126a0eabd0afe2db5385978b85e8bd9d6612b7c75694cd280438
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/6.1.0 CPython/3.13.7
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Jan 22, 2026.
Transparency log
