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📁 ..
📄 __init__.py(1.77 KB)
📁 __pycache__
📄 asgi.py(1.57 KB)
📁 bridge
📄 context_managers.py(2.29 KB)
📄 core.py(860 B)
📄 decorator.py(15.43 KB)
📄 exposition.py(25.56 KB)
📄 gc_collector.py(1.48 KB)
📄 metrics.py(27.45 KB)
📄 metrics_core.py(15.18 KB)
📄 mmap_dict.py(5.27 KB)
📄 multiprocess.py(7.36 KB)
📁 openmetrics
📄 parser.py(7.26 KB)
📄 platform_collector.py(1.83 KB)
📄 process_collector.py(3.77 KB)
📄 py.typed(0 B)
📄 registry.py(6.05 KB)
📄 samples.py(1.65 KB)
📁 twisted
📄 utils.py(594 B)
📄 values.py(4.88 KB)

Editing: context_managers.py

from timeit import default_timer
from types import TracebackType
from typing import (
    Any, Callable, Literal, Optional, Tuple, Type, TYPE_CHECKING, TypeVar,
    Union,
)

from .decorator import decorate

if TYPE_CHECKING:
    from . import Counter
    F = TypeVar("F", bound=Callable[..., Any])

class ExceptionCounter:
    def __init__(self, counter: "Counter", exception: Union[Type[BaseException], Tuple[Type[BaseException], ...]]) -> None:
        self._counter = counter
        self._exception = exception

def __enter__(self) -> None:
        pass

def __exit__(self, typ: Optional[Type[BaseException]], value: Optional[BaseException], traceback: Optional[TracebackType]) -> Literal[False]:
        if isinstance(value, self._exception):
            self._counter.inc()
        return False

def __call__(self, f: "F") -> "F":
        def wrapped(func, *args, **kwargs):
            with self:
                return func(*args, **kwargs)

return decorate(f, wrapped)

class InprogressTracker:
    def __init__(self, gauge):
        self._gauge = gauge

def __enter__(self):
        self._gauge.inc()

def __exit__(self, typ, value, traceback):
        self._gauge.dec()

def __call__(self, f: "F") -> "F":
        def wrapped(func, *args, **kwargs):
            with self:
                return func(*args, **kwargs)

return decorate(f, wrapped)

class Timer:
    def __init__(self, metric, callback_name):
        self._metric = metric
        self._callback_name = callback_name

def _new_timer(self):
        return self.__class__(self._metric, self._callback_name)

def __enter__(self):
        self._start = default_timer()
        return self

def __exit__(self, typ, value, traceback):
        # Time can go backwards.
        duration = max(default_timer() - self._start, 0)
        callback = getattr(self._metric, self._callback_name)
        callback(duration)

def labels(self, *args, **kw):
        self._metric = self._metric.labels(*args, **kw)

def __call__(self, f: "F") -> "F":
        def wrapped(func, *args, **kwargs):
            # Obtaining new instance of timer every time
            # ensures thread safety and reentrancy.
            with self._new_timer():
                return func(*args, **kwargs)

return decorate(f, wrapped)

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