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warnings.py
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warnings.py
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import warnings
from typing import Callable
from negmas.config import CONFIG_KEY_WARN_SLOW_OPS, negmas_config
__all__ = [
"warn",
"warn_if_slow",
"deprecated",
"NegmasWarning",
"NegmasCannotStartNegotiation",
"NegmasIgnoredValueWarning",
"NegmasBridgePathWarning",
"NegmasBridgeProcessWarning",
"NegmasInfiniteNegotiationWarning",
"NegmasStepAndTimeLimitWarning",
"NegmasBrdigeParsingWarning",
"NegmasSarializationWarning",
"NegmasIOWarning",
"NegmasShutdownWarning",
"NegmasWorldConfigWarning",
"NegmasImportWarning",
"NegmasUnusedValueWarning",
"NegmasMemoryWarning",
"NegmasSpeedWarning",
"NegmasCaughtExceptionWarning",
"NegmasVisualizationWarning",
"NegmasNoResponseWarning",
"NegmasLoggingWarning",
"NegmasNumericWarning",
"NegmasDoubleAssignmentWarning",
"NegmasUnexpectedValueWarning",
]
class NegmasWarning(UserWarning):
...
def warn(message, category=NegmasWarning, stacklevel=2, source=None):
"""Issues a warning to the user. Defaults to `NegmasWarning` and stacklevel of 2."""
return warnings.warn(message, category, stacklevel, source)
def deprecated(message):
"""Issues a deprecation warning"""
return warnings.warn(
message, category=DeprecationWarning, stacklevel=2, source=None
)
class NegmasBridgePathWarning(NegmasWarning):
...
class NegmasBridgeProcessWarning(NegmasWarning):
...
class NegmasInfiniteNegotiationWarning(NegmasWarning):
...
class NegmasStepAndTimeLimitWarning(NegmasWarning):
...
class NegmasCannotStartNegotiation(NegmasWarning):
...
class NegmasBrdigeParsingWarning(NegmasWarning):
...
class NegmasSarializationWarning(NegmasWarning):
...
class NegmasIOWarning(NegmasWarning):
...
class NegmasShutdownWarning(NegmasWarning):
...
class NegmasWorldConfigWarning(NegmasWarning):
...
class NegmasImportWarning(NegmasWarning, ImportWarning):
...
class NegmasUnusedValueWarning(NegmasWarning):
...
class NegmasMemoryWarning(NegmasWarning):
...
class NegmasCaughtExceptionWarning(NegmasWarning):
...
class NegmasVisualizationWarning(NegmasWarning):
...
class NegmasNoResponseWarning(NegmasWarning):
...
class NegmasLoggingWarning(NegmasWarning):
...
class NegmasNumericWarning(NegmasWarning):
...
class NegmasSpeedWarning(NegmasWarning):
...
class NegmasIgnoredValueWarning(NegmasWarning):
...
class NegmasDoubleAssignmentWarning(NegmasWarning):
...
class NegmasUnexpectedValueWarning(NegmasWarning):
...
class NegmasSlowOperation(NegmasWarning):
...
def warn_if_slow(
size: int | float,
message: str = "Slow Operation Warning",
op: Callable[[float], float] = lambda x: x,
) -> None:
"""
Issues a warning for slow operations.
Args:
size: The size of this operation to be checked
message: The message to print in the warning if the size is too large
op: An operation to apply to the config value CONFIG_KEY_WARN_SLOW_OPS before comparison.
Remarks:
- The warning will be issued if ```op(size) >= config[CONFIG_KEY_WARN_SLOW_OPS]```
- Default is to do no comparison (indicated by config[CONFIG_KEY_WARN_SLOW_OPS] <= 0)
- See `negams_config` for details about getting the config value.
"""
limit = float(negmas_config(CONFIG_KEY_WARN_SLOW_OPS, 0))
if limit < 0.5:
return
nops = op(size)
if nops < limit:
return
warnings.warn(
f"{message}: n.ops={int(nops):,} (n={int(size):,}), limit={int(limit):,}",
NegmasSlowOperation,
2,
None,
)