109 lines
2.7 KiB
Python
109 lines
2.7 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
"""
|
||
|
|
internal gevent python 2/python 3 bridges. Not for external use.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from __future__ import print_function, absolute_import, division
|
||
|
|
|
||
|
|
## Important: This module should generally not have any other gevent
|
||
|
|
## imports (the exception is _util_py2)
|
||
|
|
|
||
|
|
import sys
|
||
|
|
import os
|
||
|
|
|
||
|
|
|
||
|
|
PY39 = sys.version_info[:2] >= (3, 9)
|
||
|
|
PY311 = sys.version_info[:2] >= (3, 11)
|
||
|
|
PY312 = sys.version_info[:2] >= (3, 11)
|
||
|
|
PYPY = hasattr(sys, 'pypy_version_info')
|
||
|
|
WIN = sys.platform.startswith("win")
|
||
|
|
LINUX = sys.platform.startswith('linux')
|
||
|
|
OSX = MAC = sys.platform == 'darwin'
|
||
|
|
|
||
|
|
|
||
|
|
PURE_PYTHON = PYPY or os.getenv('PURE_PYTHON')
|
||
|
|
|
||
|
|
## Types
|
||
|
|
|
||
|
|
|
||
|
|
string_types = (str,)
|
||
|
|
integer_types = (int,)
|
||
|
|
text_type = str
|
||
|
|
native_path_types = (str, bytes)
|
||
|
|
thread_mod_name = '_thread'
|
||
|
|
|
||
|
|
hostname_types = tuple(set(string_types + (bytearray, bytes)))
|
||
|
|
|
||
|
|
def NativeStrIO():
|
||
|
|
import io
|
||
|
|
return io.BytesIO() if str is bytes else io.StringIO()
|
||
|
|
|
||
|
|
|
||
|
|
from abc import ABC # pylint:disable=unused-import
|
||
|
|
|
||
|
|
|
||
|
|
## Exceptions
|
||
|
|
|
||
|
|
def reraise(t, value, tb=None): # pylint:disable=unused-argument
|
||
|
|
if value.__traceback__ is not tb and tb is not None:
|
||
|
|
raise value.with_traceback(tb)
|
||
|
|
raise value
|
||
|
|
def exc_clear():
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
## import locks
|
||
|
|
try:
|
||
|
|
# In Python 3.4 and newer in CPython and PyPy3,
|
||
|
|
# imp.acquire_lock and imp.release_lock are delegated to
|
||
|
|
# '_imp'. (Which is also used by importlib.) 'imp' itself is
|
||
|
|
# deprecated. Avoid that warning.
|
||
|
|
import _imp as imp
|
||
|
|
except ImportError:
|
||
|
|
import imp # pylint:disable=deprecated-module
|
||
|
|
imp_acquire_lock = imp.acquire_lock
|
||
|
|
imp_release_lock = imp.release_lock
|
||
|
|
|
||
|
|
## Functions
|
||
|
|
iteritems = dict.items
|
||
|
|
itervalues = dict.values
|
||
|
|
xrange = range
|
||
|
|
izip = zip
|
||
|
|
|
||
|
|
|
||
|
|
## The __fspath__ protocol
|
||
|
|
from os import PathLike # pylint:disable=unused-import
|
||
|
|
from os import fspath
|
||
|
|
_fspath = fspath
|
||
|
|
from os import fsencode # pylint:disable=unused-import
|
||
|
|
from os import fsdecode # pylint:disable=unused-import
|
||
|
|
|
||
|
|
## Clocks
|
||
|
|
# Python 3.3+ (PEP 418)
|
||
|
|
from time import perf_counter
|
||
|
|
from time import get_clock_info
|
||
|
|
from time import monotonic
|
||
|
|
perf_counter = perf_counter
|
||
|
|
monotonic = monotonic
|
||
|
|
get_clock_info = get_clock_info
|
||
|
|
|
||
|
|
|
||
|
|
## Monitoring
|
||
|
|
def get_this_psutil_process():
|
||
|
|
# Depends on psutil. Defer the import until needed, who knows what
|
||
|
|
# it imports (psutil imports subprocess which on Python 3 imports
|
||
|
|
# selectors. This can expose issues with monkey-patching.)
|
||
|
|
# Returns a freshly queried object each time.
|
||
|
|
try:
|
||
|
|
from psutil import Process, AccessDenied
|
||
|
|
# Make sure it works (why would we be denied access to our own process?)
|
||
|
|
try:
|
||
|
|
proc = Process()
|
||
|
|
proc.memory_full_info()
|
||
|
|
except AccessDenied: # pragma: no cover
|
||
|
|
proc = None
|
||
|
|
except ImportError:
|
||
|
|
proc = None
|
||
|
|
return proc
|