\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/cloudlinux/venv/lib/python3.11/site-packages/coverage/

Viewing File: multiproc.py

# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt

"""Monkey-patching to add multiprocessing support for coverage.py"""

import multiprocessing
import multiprocessing.process
import os
import os.path
import sys
import traceback

from typing import Any, Dict


# An attribute that will be set on the module to indicate that it has been
# monkey-patched.
PATCHED_MARKER = "_coverage$patched"


OriginalProcess = multiprocessing.process.BaseProcess
original_bootstrap = OriginalProcess._bootstrap     # type: ignore[attr-defined]

class ProcessWithCoverage(OriginalProcess):         # pylint: disable=abstract-method
    """A replacement for multiprocess.Process that starts coverage."""

    def _bootstrap(self, *args, **kwargs):          # type: ignore[no-untyped-def]
        """Wrapper around _bootstrap to start coverage."""
        try:
            from coverage import Coverage       # avoid circular import
            cov = Coverage(data_suffix=True, auto_data=True)
            cov._warn_preimported_source = False
            cov.start()
            debug = cov._debug
            assert debug is not None
            if debug.should("multiproc"):
                debug.write("Calling multiprocessing bootstrap")
        except Exception:
            print("Exception during multiprocessing bootstrap init:")
            traceback.print_exc(file=sys.stdout)
            sys.stdout.flush()
            raise
        try:
            return original_bootstrap(self, *args, **kwargs)
        finally:
            if debug.should("multiproc"):
                debug.write("Finished multiprocessing bootstrap")
            cov.stop()
            cov.save()
            if debug.should("multiproc"):
                debug.write("Saved multiprocessing data")

class Stowaway:
    """An object to pickle, so when it is unpickled, it can apply the monkey-patch."""
    def __init__(self, rcfile: str) -> None:
        self.rcfile = rcfile

    def __getstate__(self) -> Dict[str, str]:
        return {"rcfile": self.rcfile}

    def __setstate__(self, state: Dict[str, str]) -> None:
        patch_multiprocessing(state["rcfile"])


def patch_multiprocessing(rcfile: str) -> None:
    """Monkey-patch the multiprocessing module.

    This enables coverage measurement of processes started by multiprocessing.
    This involves aggressive monkey-patching.

    `rcfile` is the path to the rcfile being used.

    """

    if hasattr(multiprocessing, PATCHED_MARKER):
        return

    OriginalProcess._bootstrap = ProcessWithCoverage._bootstrap     # type: ignore[attr-defined]

    # Set the value in ProcessWithCoverage that will be pickled into the child
    # process.
    os.environ["COVERAGE_RCFILE"] = os.path.abspath(rcfile)

    # When spawning processes rather than forking them, we have no state in the
    # new process.  We sneak in there with a Stowaway: we stuff one of our own
    # objects into the data that gets pickled and sent to the sub-process. When
    # the Stowaway is unpickled, it's __setstate__ method is called, which
    # re-applies the monkey-patch.
    # Windows only spawns, so this is needed to keep Windows working.
    try:
        from multiprocessing import spawn
        original_get_preparation_data = spawn.get_preparation_data
    except (ImportError, AttributeError):
        pass
    else:
        def get_preparation_data_with_stowaway(name: str) -> Dict[str, Any]:
            """Get the original preparation data, and also insert our stowaway."""
            d = original_get_preparation_data(name)
            d["stowaway"] = Stowaway(rcfile)
            return d

        spawn.get_preparation_data = get_preparation_data_with_stowaway

    setattr(multiprocessing, PATCHED_MARKER, True)