qcdiff
Semantic diff for OpenQASM 3 quantum circuits. qcdiff compares two QASM programs at the gate level instead of the text level, so comment, whitespace, and declaration-order changes do not count as differences. Built for CI pipelines and code review of transpiler output.
This package is the Python binding of the Rust qcdiff tool.
Install
pip install qcdiff
Usage
import qcdiff
report = qcdiff.diff_files("reference/ghz.qasm", "build/ghz.qasm")
if report.has_changes():
print(report) # the same text the CLI prints
# In a pytest regression gate:
assert not qcdiff.diff_files("reference/ghz.qasm", "build/ghz.qasm")
With Qiskit circuits, export to QASM 3 first:
from qiskit import qasm3
report = qcdiff.diff_sources(qasm3.dumps(circuit_a), qasm3.dumps(circuit_b))
print(report.added, report.removed, report.modified)
for line in report.lines:
if line.change != "same":
print(line)
diff_sources and diff_files raise qcdiff.QasmError on OpenQASM 2 input or parse errors.
qcdiff reports what changed, not whether the circuits are equivalent; for formal equivalence checking use mqt-qcec.
License
Apache-2.0
1 maintainer
Metadata
1 maintainer
Release files for qcdiff 0.2.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| qcdiff-0.2.1.tar.gz | 28.4 kB | Without provenance | Details for qcdiff-0.2.1.tar.gz |
Built distributions (wheels)
| File | Actions Reset | |||
|---|---|---|---|---|
| qcdiff-0.2.1-cp39-abi3-win_amd64.whl | CPython 3.9 | abi3 | Windows x86-64 | Details for qcdiff-0.2.1-cp39-abi3-win_amd64.whl |
| qcdiff-0.2.1-cp39-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | CPython 3.9 | abi3 | Linux glibc 2.17+ x86-64 | Details for qcdiff-0.2.1-cp39-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
| qcdiff-0.2.1-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | CPython 3.9 | abi3 | Linux glibc 2.17+ ARM64 | Details for qcdiff-0.2.1-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
| qcdiff-0.2.1-cp39-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl | CPython 3.9 | abi3 | macOS 10.12+ x86-64, macOS 10.12+ universal2 (ARM64, x86-64), macOS 11.0+ ARM64 | Details for qcdiff-0.2.1-cp39-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl |
Total release size: 2.9 MB
Release files / qcdiff-0.2.1.tar.gz
| Download URL | qcdiff-0.2.1.tar.gz |
|---|---|
| Size | 28.4 kB |
| Tags | Source |
|
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No |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
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Release files / qcdiff-0.2.1-cp39-abi3-win_amd64.whl
| Download URL | qcdiff-0.2.1-cp39-abi3-win_amd64.whl |
|---|---|
| Size | 488.0 kB |
| Tags | CPython 3.9 Windows x86-64 abi3 |
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twine/7.0.0 CPython/3.13.14
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Release files / qcdiff-0.2.1-cp39-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
| Download URL | qcdiff-0.2.1-cp39-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
|---|---|
| Size | 643.5 kB |
| Tags | CPython 3.9 Linux glibc 2.17+ x86-64 abi3 |
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No |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Release files / qcdiff-0.2.1-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
| Download URL | qcdiff-0.2.1-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
|---|---|
| Size | 628.2 kB |
| Tags | CPython 3.9 Linux glibc 2.17+ ARM64 abi3 |
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Release files / qcdiff-0.2.1-cp39-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl
| Download URL | qcdiff-0.2.1-cp39-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl |
|---|---|
| Size | 1.1 MB |
| Tags | CPython 3.9 abi3 macOS 10.12+ universal2 (ARM64, x86-64) macOS 10.12+ x86-64 macOS 11.0+ ARM64 |
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| Uploaded via |
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