| Name | olca-schema JSON |
| Version |
0.0.12
JSON |
| download |
| home_page | |
| Summary | A package for reading and writing data sets in the openLCA schema format. |
| upload_time | 2023-08-08 16:09:59 |
| maintainer | |
| docs_url | None |
| author | |
| requires_python | >=3.9 |
| license | |
| keywords |
openlca
life cycle assessment
lca
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# olca-schema
This is a package for reading and writing data sets in the [openLCA
schema](https://github.com/GreenDelta/olca-schema) format version 2. It provides
a typed class model of the schema elements, methods for reading and writing them
in the JSON format, reading and writing data sets in zip packages, and some
utility methods.
## Usage
The package is published on [PyPI](https://pypi.org/project/olca-schema/) and
can be installed with `pip`:
```bash
pip install olca-schema
```
Here is a small example that creates a package that can be imported into
openLCA 2:
```python
import olca_schema as o
import olca_schema.zipio as zipio
# create a unit group and flow property
units = o.new_unit_group('Units of mass', 'kg')
kg = units.units[0]
mass = o.new_flow_property('Mass', units)
# create a product flow and a process with the product as output
steel = o.new_product('Steel', mass)
process = o.new_process('Steel production')
output = o.new_output(process, steel, 1, kg)
output.is_quantitative_reference = True
# prints the Json string of the process
print(process.to_json())
# write a zip package with the data sets
with zipio.ZipWriter('path/to/example.zip') as w:
for entity in [units, mass, steel, process]:
w.write(entity)
```
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