Comments (8)
Could you propose the change for your proposal over #33 (when merged)?
It is OK to drop "end marker".
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It is in https://github.com/cielavenir/pyppmd/commits/UseEndmarkProperly2 , but see #33 (comment) first.
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Note: An implementation of "end mark" is partially compatible with unrar does.
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#33 changed to do it. (don't touch end mark code)
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Firstly, both 7z and rar uses PPMdH and zip uses PPMdI.
Then actually ppmd has quite many dialects - although 7z and rar uses PPMdH, the rangecoders are different. It is also different from the original PPMd to unpack PPMd archive format described in http://www.compression.ru/ds/ .
So it is free to have different endmark handling [edit: across softwares].
Maybe adding option to set the endmark handling is an idea.
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Now you can pass endmark option to encoder and decoder.
ref: #39
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@miurahr thank you
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@miurahr I confirmed the compatibility of current pyppmd and I was able to release https://pypi.org/project/zipfile-ppmd/ as zipfile module patcher, which works the same way as zipfile-zstd. Thank you.
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Related Issues (18)
- pip install fails in GitHub CI with metadata-generation-failed HOT 4
- Add conda recipe HOT 9
- About API HOT 7
- consumer-producer problem
- Fuzzer test report access violation for PPMd8 on Windows HOT 9
- Fuzz on Windows fails
- ppmd8dec: Access violation is reported on Windows HOT 1
- PPMd8 decompress generates data size just one-byte less than expected HOT 2
- PPMd8 decompresson on python 3.7 on windows fails to detect EoF HOT 3
- OSX build issues on conda HOT 8
- Better license HOT 5
- Windows access violation error HOT 4
- Drop endmark feature
- Build fails with MinGW/MSYS2 HOT 2
- Track benchmark results HOT 19
- Access violation on 32bit python on Windows HOT 1
- build failure on macOS HOT 14
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