Method checked_call

src/_pytest/_py/error.py:81–111

Call a function and raise an errno-exception if applicable.

(
        self, func: Callable[P, R], *args: P.args, **kwargs: P.kwargs
    )

            return errorcls

    def checked_call(
        self, func: Callable[P, R], *args: P.args, **kwargs: P.kwargs
    ) -> R:
        class="st">""class="st">"Call a function and raise an errno-exception if applicable."class="st">""
        __tracebackhide__ = True
        try:
            return func(*args, **kwargs)
        except Error:
            raise
        except OSError as value:
            if not hasattr(value, class="st">"errno"):
                raise
            if sys.platform == class="st">"win32":
                try:
                    class="cm"># error: Invalid index type class="st">"Optional[int]" for class="st">"dict[int, int]"; expected type class="st">"int"  [index]
                    class="cm"># OK to ignore because we catch the KeyError below.
                    cls = self._geterrnoclass(_winerrnomap[value.errno])  class="cm"># type:ignore[index]
                except KeyError:
                    raise value
            else:
                class="cm"># we are not on Windows, or we got a proper OSError
                if value.errno is None:
                    cls = type(
                        class="st">"UnknownErrnoNone",
                        (Error,),
                        {class="st">"__module__": class="st">"py.error", class="st">"__doc__": None},
                    )
                else:
                    cls = self._geterrnoclass(value.errno)

            raise cls(fclass="st">"{func.__name__}{args!r}")


_error_maker = ErrorMaker()