abravalheri / validate-pyproject / 5226968556240896

5226968556240896

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Typo: validate-project => validate-pyproject (#78)

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100.0
/src/validate_pyproject/extra_validations.py
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"""The purpose of this module is implement PEP 621 validations that are
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difficult to express as a JSON Schema (or that are not supported by the current
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JSON Schema library).
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"""
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from typing import Mapping, TypeVar




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from .error_reporting import ValidationError




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T = TypeVar("T", bound=Mapping)




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class RedefiningStaticFieldAsDynamic(ValidationError):





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    """According to PEP 621:










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    Build back-ends MUST raise an error if the metadata specifies a field










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    statically as well as being listed in dynamic.










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    """










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def validate_project_dynamic(pyproject: T) -> T:




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    project_table = pyproject.get("project", {})




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    dynamic = project_table.get("dynamic", [])




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    for field in dynamic:





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        if field in project_table:





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            msg = f"You cannot provide a value for `project.{field}` and "




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            msg += "list it under `project.dynamic` at the same time"




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            name = f"data.project.{field}"




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            value = {field: project_table[field], "...": " # ...", "dynamic": dynamic}




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            raise RedefiningStaticFieldAsDynamic(msg, value, name, rule="PEP 621")




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    return pyproject




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EXTRA_VALIDATIONS = (validate_project_dynamic,)




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