forked from anton/matekasse
59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
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# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
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"""Simple value objects for tracking what to do with files."""
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from __future__ import annotations
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from typing import Optional, Type, TYPE_CHECKING
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from coverage.types import TFileDisposition
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if TYPE_CHECKING:
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from coverage.plugin import FileTracer
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class FileDisposition:
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"""A simple value type for recording what to do with a file."""
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original_filename: str
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canonical_filename: str
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source_filename: Optional[str]
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trace: bool
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reason: str
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file_tracer: Optional[FileTracer]
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has_dynamic_filename: bool
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def __repr__(self) -> str:
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return f"<FileDisposition {self.canonical_filename!r}: trace={self.trace}>"
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# FileDisposition "methods": FileDisposition is a pure value object, so it can
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# be implemented in either C or Python. Acting on them is done with these
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# functions.
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def disposition_init(cls: Type[TFileDisposition], original_filename: str) -> TFileDisposition:
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"""Construct and initialize a new FileDisposition object."""
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disp = cls()
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disp.original_filename = original_filename
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disp.canonical_filename = original_filename
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disp.source_filename = None
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disp.trace = False
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disp.reason = ""
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disp.file_tracer = None
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disp.has_dynamic_filename = False
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return disp
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def disposition_debug_msg(disp: TFileDisposition) -> str:
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"""Make a nice debug message of what the FileDisposition is doing."""
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if disp.trace:
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msg = f"Tracing {disp.original_filename!r}"
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if disp.original_filename != disp.source_filename:
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msg += f" as {disp.source_filename!r}"
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if disp.file_tracer:
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msg += f": will be traced by {disp.file_tracer!r}"
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else:
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msg = f"Not tracing {disp.original_filename!r}: {disp.reason}"
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return msg
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