安装
pip install cann-cann
支持 Python >= 3.10；需要安装 CANN 并加载环境变量
命令行
提供 cann-cann 与作为简称的 ccann 命令，使用任一命令均可
ccann npu-name # Ascend950PR_XXXX
ccann UB --kb # 248
ccann -n A3 memory --gb # 64
ccann cann-version # 9.1.0
ccann cores # AI、Cube、Vector 核数量
Python 接口
import cann_cann
cann_cann.npu_name() # "Ascend950PR_XXXX"
cann_cann.ub_size(unit="kb") # 248
cann_cann.memory_size(npu_name="A3", unit="gb") # 64
cann_cann.cann_version() # "9.1.0"
完整的查询列表、Python API、NPU 型号简称、单位和错误处理请参阅使用指南
参与开发
参与开发时，先安装开发依赖并启用提交前检查
uv sync --dev
uv run pre-commit install
启用后，每次提交前都会使用 Ruff 自动检查并格式化 Python 代码。也可手动检查所有文件
uv run pre-commit run --all-files
完整检查、测试与构建
uv run ruff format --check .
uv run ruff check .
uv run pytest
uv build
1 maintainer
Metadata
1 maintainer
Release files for cann-cann 0.2.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| cann_cann-0.2.0.tar.gz | 15.4 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| cann_cann-0.2.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 31.7 kB
Release files / cann_cann-0.2.0.tar.gz
| Download URL | cann_cann-0.2.0.tar.gz |
|---|---|
| Size | 15.4 kB |
| Tags | Source |
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SHA-256 checksum How to use checksums |
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uv/0.12.9 {"installer":{"name":"uv","version":"0.12.9","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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Release files / cann_cann-0.2.0-py3-none-any.whl
| Download URL | cann_cann-0.2.0-py3-none-any.whl |
|---|---|
| Size | 16.4 kB |
| Tags | Python 3 |
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SHA-256 checksum How to use checksums |
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uv/0.12.9 {"installer":{"name":"uv","version":"0.12.9","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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Security for cann-cann 0.2.0
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