Chd parser Python binding
This small project is a binding to the chd part of the rust project imageparse done for its capability to access chd files decompressed bytes, even those with parents, recognize the track boundaries, and calculate their sha1 checksums.
Upstream has some limitations still:
Will not load hard drive chds, since it’s out of scope of the project.
Will not yet read gdi chds, although that’s possible in the future.
Like the upstream it depends on, chd-rs it can’t write a new chd.
It is not actually a filesystem mounter, it only accesses the raw decompressed bytes and recognizes track boundaries.
You can access the chd track sha1 checksums of b.chd with parent a.chd like this:
import chdimage
chd = chdimage.open_with_parent('b.chd', ['a.chd'])
sha1sums = [ bytes(x).hex() for x in chd.track_sha1s() ]
Chd files that aren’t parents are ignored, so you can choose your own strategy to find parents:
chd = chdimage.open_with_parent('b.chd', ['not_b_parent.chd', 'a.chd'])
You can iterate over the track bytes like this:
for x in range(0,chd.num_tracks()):
event = None
#tracks go from 1 to num_tracks(), 0 does not count
print(f'track {x+1}')
while event != Event.TRACKCHANGE and event != Event.ENDOFDISC:
sector = chd.copy_current_sector()
event = chd.advance_position()
#printing bytes is useless and lossy, do something else
print(bytes(sector).decode(errors='replace'))
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Release files for chdimage 0.2.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Built distributions (wheels)
Total release size: 10.5 MB
Release files / chdimage-0.2.1-cp38-abi3-win_amd64.whl
| Download URL | chdimage-0.2.1-cp38-abi3-win_amd64.whl |
|---|---|
| Size | 270.3 kB |
| Tags | CPython 3.8 Windows x86-64 abi3 |
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No |
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twine/4.0.1 CPython/3.9.13
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Release files / chdimage-0.2.1-cp38-abi3-win32.whl
| Download URL | chdimage-0.2.1-cp38-abi3-win32.whl |
|---|---|
| Size | 254.7 kB |
| Tags | CPython 3.8 Windows x86-32 abi3 |
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SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
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Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_17_s390x.manylinux2014_s390x.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_17_s390x.manylinux2014_s390x.whl |
|---|---|
| Size | 1.4 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ IBM System/390x abi3 |
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SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ PowerPC 64-le abi3 |
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SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_17_ppc64.manylinux2014_ppc64.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_17_ppc64.manylinux2014_ppc64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ PowerPC 64-be abi3 |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_17_armv7l.manylinux2014_armv7l.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_17_armv7l.manylinux2014_armv7l.whl |
|---|---|
| Size | 1.2 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ ARMv7l abi3 |
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SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
|---|---|
| Size | 1.2 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ ARM64 abi3 |
|
SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
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Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_5_x86_64.manylinux1_x86_64.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_5_x86_64.manylinux1_x86_64.whl |
|---|---|
| Size | 1.2 MB |
| Tags | CPython 3.8 Linux glibc 2.5+ x86-64 abi3 |
|
SHA-256 checksum How to use checksums |
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| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-manylinux_2_5_i686.manylinux1_i686.whl
| Download URL | chdimage-0.2.1-cp38-abi3-manylinux_2_5_i686.manylinux1_i686.whl |
|---|---|
| Size | 1.2 MB |
| Tags | CPython 3.8 Linux glibc 2.5+ x86-32 abi3 |
|
SHA-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-macosx_10_9_x86_64.macosx_11_0_arm64.macosx_10_9_universal2.whl
| Download URL | chdimage-0.2.1-cp38-abi3-macosx_10_9_x86_64.macosx_11_0_arm64.macosx_10_9_universal2.whl |
|---|---|
| Size | 769.3 kB |
| Tags | CPython 3.8 abi3 macOS 10.9+ universal2 (ARM64, x86-64) macOS 10.9+ x86-64 macOS 11.0+ ARM64 |
|
SHA-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
|
Release files / chdimage-0.2.1-cp38-abi3-macosx_10_7_x86_64.whl
| Download URL | chdimage-0.2.1-cp38-abi3-macosx_10_7_x86_64.whl |
|---|---|
| Size | 394.4 kB |
| Tags | CPython 3.8 abi3 macOS 10.7+ x86-64 |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/4.0.1 CPython/3.9.13
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