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Utilities to list log files generated by CANedge loggers

Project description

CANedge Browser - List Log Files (Local, S3)

This package lets you easily list CANedge CAN data log files. Simply specify the source (local disk or S3 server) and the start/stop period. The listed log files can then be used with other packages such as mdf_iter and can_decoder.

Key features

1. Extract a subset of log files between a start/stop date & time


Use pip to install the canedge_browser module:

pip install canedge_browser


  • fsspec (required)
  • mdf_iter (required)

Module usage example

In the below example, we list log files between two dates from a MinIO S3 server:

import canedge_browser
import s3fs
from datetime import datetime, timezone

fs = s3fs.S3FileSystem(
        "endpoint_url": "http://address.of.remote.s3.server:9000",

devices = ["<bucket>/23AD1AEA", "<bucket>/86373F4D"]
start = datetime(year=2020, month=8, day=4, hour=10, tzinfo=timezone.utc)
stop = datetime(year=2020, month=9, day=9, tzinfo=timezone.utc)

log_files = canedge_browser.get_log_files(fs, devices, start_date=start, stop_date=stop)

print("Found a total of {} log files".format(len(log_files)))
for log_file in log_files:

Regarding timezone

NOTE: All time inputs into the library must include a timezone. If in doubt, set this to UTC (+00:00).

Regarding S3 server types

If you need to connect to e.g. an AWS S3 server, simply use the relevant endpoint (e.g. Similarly, for MinIO servers, you would use the relevant endpoint (e.g.


To connect to a MinIO S3 server where TLS is enabled via a self-signed certificate, you can connect by adding the path to your public certificate in the verify field in the setup_fs_s3 function.

Regarding path syntax

Note that all paths are relative to the root /. For POSIX systems, this will likely follow the normal filesystem structure. Windows systems gets a slightly mangled syntax, such that C:\Some folder\a subfolder\the target file.MF4 becomes /C:/Some folder/a subfolder/the target file.MF4.

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