Skip to main content

Binary Logging Format Library for Python

PyPI - Version PyPI - Python Version

Introduction

A Python library for reading and writing BLF files, a proprietary binary logging format of Vector Informatik GmbH. BLF files are commonly used in automotive logging and testing scenarios.

Installation

pip install vblf

Usage

Reading BLF Files

from vblf.can import CanMessage, CanMessage2
from vblf.reader import BlfReader

# Open a BLF file
with BlfReader("example.blf") as reader:
    # Iterate through all objects in the file
    for obj in reader:
        print(f"Type: {obj.header.base.object_type.name}")
        print(f"Timestamp: {obj.header.object_time_stamp}")

        # Handle CAN messages
        if isinstance(obj, (CanMessage, CanMessage2)):
            print(f"CAN ID: {obj.id}")
            print(f"Data: {obj.data.hex()}")

Writing BLF Files

from vblf.can import CanMessage
from vblf.writer import BlfWriter

# Create a new BLF file
with BlfWriter("output.blf") as writer:
    # Create a CAN message
    msg = CanMessage(...)

    # Write the message to the file
    writer.write(msg)

License

This project is licensed under the MIT License.

Acknowledgments

  • Vector Informatik GmbH for the BLF file format
  • Tobias Lorenz for his C++ library vector_blf

Metadata

Release files for vblf 0.3.1

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for vblf 0.3.1
File Size Uploaded Provenance Actions
vblf-0.3.1.tar.gz 50.1 kB With provenance Details for vblf-0.3.1.tar.gz

Built distribution (wheel)

Table of built distributions (wheels) for vblf 0.3.1
File Interpreter ABI Platform Actions
vblf-0.3.1-py3-none-any.whl Python 3 none any Details for vblf-0.3.1-py3-none-any.whl

Total release size: 70.5 kB

Release files / vblf-0.3.1.tar.gz

Download URL vblf-0.3.1.tar.gz
Size 50.1 kB
Tags Source
SHA-256 checksum
How to use checksums
4fd0f463668b8a456e75e1189836bf9e0120d5ca7ace42a8f9c193c0d538f5f5
BLAKE2b-256 checksum
How to use checksums
fe54f2c8f1c53c6e4b573487e672b2085720528d302599800df4cc3fcbfd2e98
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via twine/6.1.0 CPython/3.13.13

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 Jun 19, 2026.

Transparency log

Release files / vblf-0.3.1-py3-none-any.whl

Download URL vblf-0.3.1-py3-none-any.whl
Size 20.5 kB
Tags Python 3
SHA-256 checksum
How to use checksums
f21a4acf44e0c79e66834f42f0256fdb1c3012ef9b8f71234aa12178ebba5acf
BLAKE2b-256 checksum
How to use checksums
5ffb09dc22f166272165d307e26123fa145980a01237016e35cafd8ee038a18b
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via twine/6.1.0 CPython/3.13.13

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 Jun 19, 2026.

Transparency log

Security for vblf 0.3.1

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.

Full provenance

All 2 files in this release have been uploaded with provenance metadata.

Select from 2 files

Attestation for vblf-0.3.1.tar.gz

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 Jun 19, 2026.

Transparency log

A note on package security

PyPI is a repository for distributing packages, not a service for auditing them. While third-party security researchers and our staff do their best to detect and remove malicious packages, PyPI cannot guarantee the quality, security or suitability of any given package.

To learn more about protecting yourself from malicious actors, visit our package security documentation.

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page