pydvdid-m
Pure Python implementation of the Windows API method IDvdInfo2::GetDiscID.
This is a modification of sjwood's pydvdid.
The Windows API method IDvdInfo2::GetDiscID is used by Windows Media Center to compute a 'practically unique' 64-bit CRC for metadata retrieval. It's metadata retrieval API has sadly since shutdown around October 2019 and all it's information is presumably lost.
Changes compared to sjwood's repo
- License changed from Apache-2.0 to GPL-3.0.
- Moved build tools and dependency management from setuptools and requirements.txt to poetry.
- Support for Python 2.x and Python <3.6 has been dropped.
- All tests were removed entirely simply because a lot of the tests would need to be refactored for general code changes, and some tests might not be needed anymore.
- All custom exceptions were removed entirely and replaced with built-in ones.
- CRC-64 related code were refactored and merged as one CRC64 class in one file.
- The merged CRC64 class contains various improvements over the original code, including improvements with doc-strings, formatting, and such.
- Various BASH shell scripts and config files were removed entirely as they are deemed unnecessary.
- Uses pycdlib to read from ISO and direct disc drives, instead of assuming that it's a folder.
Other than that, the rest of the changes are general code improvements in various ways. There may be more differences as the repo gets commits, but these are the primary differences from sjwood's commit to the beginnings of this repository.
Installation
$ pip install pydvdid-m
Usage
You can run DvdId on all types of DVD video file structures:
- Direct from Disc, e.g.,
/dev/sr0,\\.\E:, or such. - An ISO file, e.g.,
/mnt/cdrom,C:/Users/John/Videos/FAMILY_GUY_VOLUME_11_DISC_1.ISO. - A VIDEO_TS folder*,
C:/Users/John/Videos/THE_IT_CROWD_D1/.
Note: Generating a DVD ID from a VIDEO_TS folder has a high chance of providing an invalid DVD ID. The algorithm uses file creation timestamps, and extracting VIDEO_TS folders direct from Disc or from an ISO will most likely change them, especially when transferred or moved.
CLI
[email protected]@~$ dvdid "FAMILY_GUY_VOLUME_11_DISC_1.ISO"
<Disc>
<Name>FAMILY_GUY_VOLUME_11_DISC_1</Name>
<ID>db3804e3|1645f594</ID>
</Disc>
You can provide a path to an ISO file, or a mounted device, e.g.:
[email protected]@~$ dvdid "/dev/sr0"
<Disc>
<Name>BBCDVD3508</Name>
<ID>3f041dfc|27ffd3a8</ID>
</Disc>
or on Windows via Raw Mounted Device:
PS> dvdid "\\.\E:"
<Disc>
<Name>BBCDVD3508</Name>
<ID>3f041dfc|27ffd3a8</ID>
</Disc>
Package
You can also use pydvdid-m in your own Python code by importing it.
Here's a couple of things you can do, and remember, you can use both ISO paths and mounted device targets.
>>> from pydvdid_m import DvdId >>> dvd_id = DvdId(r"C:\Users\John\Videos\FAMILY_GUY_VOLUME_11_DISC_1.ISO") >>> dvd_id.disc_label 'BBCDVD3508' >>> repr(dvd_id.checksum) '' >>> dvd_id.checksum '3f041dfc|27ffd3a8' >>> dvd_id.checksum.as_bytes b"?\x04\x1d\xfc'\xff\xd3\xa8" >>> dvd_id.dumps() '\n 'BBCDVD3508 \n3f041dfc|27ffd3a8 \n
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