najaeda is a Python package for loading, elaborating, navigating, editing, and analysing hardware designs from simple Verilog netlists to large SystemVerilog RTL cores.
from najaeda import netlist
# Load a gate-level Verilog design with a Liberty standard-cell library
netlist.load_liberty(['NangateOpenCellLibrary.lib'])
top = netlist.load_verilog('my_design.v')
# Navigate the hierarchy
for inst in top.get_child_instances():
print(f'{inst.get_name()} → {inst.get_model_name()}')
# Flat connectivity across hierarchy boundaries
for iterm in top.get_term('clk').get_equipotential().get_inst_terms():
print(iterm)
# Edit: rename, reconnect, delete
top.get_net('old_name').set_name('new_name')What you can do
Load Verilog and elaborated SystemVerilog designs, with or without Liberty standard-cell libraries
Navigate hierarchy, nets, and ports at any level of detail — instance-by-instance or flat via equipotentials
Edit netlists: rename instances and nets, disconnect and reconnect signals, delete logic
Analyse designs with the visitor API and export results to pandas for further processing or visualisation
Installation
pip install najaedaRequires Python 3.10+. Wheels are published for Linux, macOS, and Windows.
Tutorials
Six hands-on notebooks — open any of them in Google Colab with no local install needed:
# |
Topic |
Colab |
|---|---|---|
1 |
Getting started — load Verilog, navigate hierarchy, visualize |
|
2 |
Liberty primitives — load a synthesised design with standard cells |
|
3 |
Editing a netlist — rename, disconnect, reconnect, delete |
|
4 |
SystemVerilog elaboration — load and browse an elaborated SV design |
|
5 |
ibex RISC-V core — explore a real-world SV core, collect module stats |
|
6 |
Fanout analysis — compute fanout for every net, trace drivers, export to pandas |
|
Links
License
Apache License 2.0. See the LICENSE file for details.
1 maintainer
Release files for najaeda 0.7.22
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| najaeda-0.7.22.tar.gz | 15.4 MB | Details |
Built distributions (wheels)
Total release size: 205.5 MB
Release files / najaeda-0.7.22.tar.gz
| Download URL | najaeda-0.7.22.tar.gz |
|---|---|
| Size | 15.4 MB |
| Tags | Source |
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Release files / najaeda-0.7.22-cp315-cp315-win_amd64.whl
| Download URL | najaeda-0.7.22-cp315-cp315-win_amd64.whl |
|---|---|
| Size | 5.8 MB |
| Tags | CPython 3.15 Windows x86-64 |
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Release files / najaeda-0.7.22-cp315-cp315-manylinux_2_28_x86_64.whl
| Download URL | najaeda-0.7.22-cp315-cp315-manylinux_2_28_x86_64.whl |
|---|---|
| Size | 9.4 MB |
| Tags | CPython 3.15 Linux glibc 2.28+ x86-64 |
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| Download URL | najaeda-0.7.22-cp315-cp315-manylinux_2_28_aarch64.whl |
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| Size | 8.6 MB |
| Tags | CPython 3.15 Linux glibc 2.28+ ARM64 |
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| Download URL | najaeda-0.7.22-cp315-cp315-macosx_11_0_arm64.whl |
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| Tags | CPython 3.15 macOS 11.0+ ARM64 |
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| Download URL | najaeda-0.7.22-cp314-cp314t-manylinux_2_28_x86_64.whl |
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| Download URL | najaeda-0.7.22-cp314-cp314t-macosx_11_0_arm64.whl |
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| Tags | CPython 3.14 CPython 3.14 free-threading macOS 11.0+ ARM64 |
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| Download URL | najaeda-0.7.22-cp314-cp314-win_amd64.whl |
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| Download URL | najaeda-0.7.22-cp314-cp314-macosx_11_0_arm64.whl |
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| Download URL | najaeda-0.7.22-cp313-cp313-manylinux_2_28_x86_64.whl |
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| Download URL | najaeda-0.7.22-cp313-cp313-manylinux_2_28_aarch64.whl |
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| Tags | CPython 3.13 Linux glibc 2.28+ ARM64 |
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| Download URL | najaeda-0.7.22-cp313-cp313-macosx_11_0_arm64.whl |
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| Download URL | najaeda-0.7.22-cp312-cp312-manylinux_2_28_x86_64.whl |
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| Download URL | najaeda-0.7.22-cp312-cp312-manylinux_2_28_aarch64.whl |
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| Download URL | najaeda-0.7.22-cp312-cp312-macosx_11_0_arm64.whl |
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| Size | 5.6 MB |
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| Download URL | najaeda-0.7.22-cp311-cp311-manylinux_2_28_aarch64.whl |
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| Download URL | najaeda-0.7.22-cp311-cp311-macosx_11_0_arm64.whl |
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| Tags | CPython 3.10 Linux glibc 2.28+ x86-64 |
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twine/6.1.0 CPython/3.13.13
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Release files / najaeda-0.7.22-cp310-cp310-macosx_11_0_arm64.whl
| Download URL | najaeda-0.7.22-cp310-cp310-macosx_11_0_arm64.whl |
|---|---|
| Size | 5.6 MB |
| Tags | CPython 3.10 macOS 11.0+ ARM64 |
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SHA-256 checksum How to use checksums |
2cc3771ad0d1f424cac9f23961328773c3e052e0071bee52fadf827de4778201
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BLAKE2b-256 checksum How to use checksums |
fb7f625c35913fdaffbd4fa79ae54de5d585e3d5ba308d66a4c426738bfcbef6
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twine/6.1.0 CPython/3.13.13
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