| Name | cognite-kuiper JSON |
| Version |
0.18.0
JSON |
| download |
| home_page | None |
| Summary | A JSON to JSON transform and templating language from Cognite |
| upload_time | 2025-10-22 12:36:34 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.10 |
| license | Apache-2.0 |
| keywords |
json
transformation
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# Python bindings for Kuiper
Python bindings for Kuiper so you can compile and run transformations from a
Python runtime.
``` python
from kuiper import compile_expression
expression = compile_expression('{"theAnswer": input.numericValue + 27}', ["input"])
value = expression.run('{"numericValue": 15}')
print(value)
```
The `compile_expression` function might raise a `KuiperCompileError`, and
otherwise returns a `KuiperExpression` object. The `KuiperExpression.run(...)`
method might raise a `KuiperRuntimeError`. Both of these exceptions are
subclasses of the `KuiperError` base class.
## Development
We use [PyO3](https://pyo3.rs) to create the bindings.
This project uses [maturin](https://www.maturin.rs/) to manage dependencies and
such, instead of poetry. To set up your local development environment, first
make sure maturin is installed:
``` commanline
pip install -U maturin
```
Then, you can enter or exit a virtual environment with the `kuiper` package
installed by sourcing the `enter.sh` or `exit.sh` scripts:
``` commandline
source enter.sh
```
``` commandline
source exit.sh
```
Whenever you change the code, you need to rebuild. Instead of using `cargo`
directly, use `maturin`:
``` commandline
maturin develop
```
This will build and install the python package into the current environment,
which is the virtual environment created by the `enter.sh` script.
Raw data
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"description": "# Python bindings for Kuiper\n\nPython bindings for Kuiper so you can compile and run transformations from a\nPython runtime.\n\n``` python\nfrom kuiper import compile_expression\n\nexpression = compile_expression('{\"theAnswer\": input.numericValue + 27}', [\"input\"])\nvalue = expression.run('{\"numericValue\": 15}')\nprint(value)\n```\n\nThe `compile_expression` function might raise a `KuiperCompileError`, and\notherwise returns a `KuiperExpression` object. The `KuiperExpression.run(...)`\nmethod might raise a `KuiperRuntimeError`. Both of these exceptions are\nsubclasses of the `KuiperError` base class.\n\n## Development\n\nWe use [PyO3](https://pyo3.rs) to create the bindings.\n\nThis project uses [maturin](https://www.maturin.rs/) to manage dependencies and\nsuch, instead of poetry. To set up your local development environment, first\nmake sure maturin is installed:\n\n``` commanline\npip install -U maturin\n```\n\nThen, you can enter or exit a virtual environment with the `kuiper` package\ninstalled by sourcing the `enter.sh` or `exit.sh` scripts:\n\n``` commandline\nsource enter.sh\n```\n\n``` commandline\nsource exit.sh\n```\n\nWhenever you change the code, you need to rebuild. Instead of using `cargo`\ndirectly, use `maturin`:\n\n``` commandline\nmaturin develop\n```\n\nThis will build and install the python package into the current environment,\nwhich is the virtual environment created by the `enter.sh` script.\n\n",
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