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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
"""
Types for use throughout coverage.py.
"""
from typing import Dict, List, Optional, Tuple, Union, TYPE_CHECKING
if TYPE_CHECKING:
# Protocol is new in 3.8. PYVERSIONS
from typing import Protocol
else:
class Protocol: # pylint: disable=missing-class-docstring
pass
# One value read from a config file.
TConfigValue = Union[str, List[str]]
# An entire config section, mapping option names to values.
TConfigSection = Dict[str, TConfigValue]
class TConfigurable(Protocol):
"""Something that can proxy to the coverage configuration settings."""
def get_option(self, option_name: str) -> Optional[TConfigValue]:
"""Get an option from the configuration.
`option_name` is a colon-separated string indicating the section and
option name. For example, the ``branch`` option in the ``[run]``
section of the config file would be indicated with `"run:branch"`.
Returns the value of the option.
"""
def set_option(self, option_name: str, value: Union[TConfigValue, TConfigSection]) -> None:
"""Set an option in the configuration.
`option_name` is a colon-separated string indicating the section and
option name. For example, the ``branch`` option in the ``[run]``
section of the config file would be indicated with `"run:branch"`.
`value` is the new value for the option.
"""
TArc = Tuple[int, int]
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