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1"""pyproject.toml related pip exceptions."""
3from pip._vendor.rich.markup import escape
4from pip._vendor.rich.text import Text
6from pip._internal.exceptions._base import DiagnosticPipError
9class MissingPyProjectBuildRequires(DiagnosticPipError):
10 """Raised when pyproject.toml has `build-system`, but no `build-system.requires`."""
12 reference = "missing-pyproject-build-system-requires"
14 def __init__(self, *, package: str) -> None:
15 super().__init__(
16 message=f"Can not process {escape(package)}",
17 context=Text(
18 "This package has an invalid pyproject.toml file.\n"
19 "The [build-system] table is missing the mandatory `requires` key."
20 ),
21 note_stmt="This is an issue with the package mentioned above, not pip.",
22 hint_stmt=Text("See PEP 518 for the detailed specification."),
23 )
26class InvalidPyProjectBuildRequires(DiagnosticPipError):
27 """Raised when pyproject.toml an invalid `build-system.requires`."""
29 reference = "invalid-pyproject-build-system-requires"
31 def __init__(self, *, package: str, reason: str) -> None:
32 super().__init__(
33 message=f"Can not process {escape(package)}",
34 context=Text(
35 "This package has an invalid `build-system.requires` key in "
36 f"pyproject.toml.\n{reason}"
37 ),
38 note_stmt="This is an issue with the package mentioned above, not pip.",
39 hint_stmt=Text("See PEP 518 for the detailed specification."),
40 )