udi-grammar-py
Python code for generating Universal Discovery Interface (UDI) specifications.
Quick Start Guid
pip install udi-grammar-py
from udi_grammar_py import Chart, Op
spec = (Chart()
.source("samples", "./data/example_samples.csv")
.groupby(["organ", "organ_condition"])
.rollup({"count": Op.count()})
.mark("bar")
.x(field="count", type="nominal")
.y(field="ogan", type="quantitative")
.color(field="organ_condition", type="quantitative")
.to_json(pretty=True)
)
print(spec)
Result:
{
"source": {
"name": "samples",
"source": "./data/example_samples.csv"
},
"transformation": [
{
"groupby": [
"organ",
"organ_condition"
]
},
{
"rollup": {
"count": {
"op": "count"
}
}
}
],
"representation": {
"mark": "bar",
"mapping": [
{
"encoding": "x",
"field": "count",
"type": "quantitative"
},
{
"encoding": "y",
"field": "organ",
"type": "nominal"
},
{
"encoding": "color",
"field": "organ_condition",
"type": "nominal"
}
]
}
}
2 maintainers
Release files for udi-grammar-py 0.3.0
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