Filename: //usr/lib/python3.9/_aix_support.py

"""Shared AIX support functions.""" import sys import sysconfig try: import subprocess except ImportError: # pragma: no cover # _aix_support is used in distutils by setup.py to build C extensions, # before subprocess dependencies like _posixsubprocess are available. import _bootsubprocess as subprocess def _aix_tag(vrtl, bd): # type: (List[int], int) -> str # Infer the ABI bitwidth from maxsize (assuming 64 bit as the default) _sz = 32 if sys.maxsize == (2**31-1) else 64 # vrtl[version, release, technology_level] return "aix-{:1x}{:1d}{:02d}-{:04d}-{}".format(vrtl[0], vrtl[1], vrtl[2], bd, _sz) # extract version, release and technology level from a VRMF string def _aix_vrtl(vrmf): # type: (str) -> List[int] v, r, tl = vrmf.split(".")[:3] return [int(v[-1]), int(r), int(tl)] def _aix_bosmp64(): # type: () -> Tuple[str, int] """ Return a Tuple[str, int] e.g., ['7.1.4.34', 1806] The fileset bos.mp64 is the AIX kernel. It's VRMF and builddate reflect the current ABI levels of the runtime environment. """ # We expect all AIX systems to have lslpp installed in this location out = subprocess.check_output(["/usr/bin/lslpp", "-Lqc", "bos.mp64"]) out = out.decode("utf-8") out = out.strip().split(":") # type: ignore # Use str() and int() to help mypy see types return (str(out[2]), int(out[-1])) def aix_platform(): # type: () -> str """ AIX filesets are identified by four decimal values: V.R.M.F. V (version) and R (release) can be retreived using ``uname`` Since 2007, starting with AIX 5.3 TL7, the M value has been included with the fileset bos.mp64 and represents the Technology Level (TL) of AIX. The F (Fix) value also increases, but is not relevant for comparing releases and binary compatibility. For binary compatibility the so-called builddate is needed. Again, the builddate of an AIX release is associated with bos.mp64. AIX ABI compatibility is described as guaranteed at: https://www.ibm.com/\ support/knowledgecenter/en/ssw_aix_72/install/binary_compatability.html For pep425 purposes the AIX platform tag becomes: "aix-{:1x}{:1d}{:02d}-{:04d}-{}".format(v, r, tl, builddate, bitsize) e.g., "aix-6107-1415-32" for AIX 6.1 TL7 bd 1415, 32-bit and, "aix-6107-1415-64" for AIX 6.1 TL7 bd 1415, 64-bit """ vrmf, bd = _aix_bosmp64() return _aix_tag(_aix_vrtl(vrmf), bd) # extract vrtl from the BUILD_GNU_TYPE as an int def _aix_bgt(): # type: () -> List[int] gnu_type = sysconfig.get_config_var("BUILD_GNU_TYPE") if not gnu_type: raise ValueError("BUILD_GNU_TYPE is not defined") return _aix_vrtl(vrmf=gnu_type) def aix_buildtag(): # type: () -> str """ Return the platform_tag of the system Python was built on. """ # AIX_BUILDDATE is defined by configure with: # lslpp -Lcq bos.mp64 | awk -F: '{ print $NF }' build_date = sysconfig.get_config_var("AIX_BUILDDATE") try: build_date = int(build_date) except (ValueError, TypeError): raise ValueError(f"AIX_BUILDDATE is not defined or invalid: " f"{build_date!r}") return _aix_tag(_aix_bgt(), build_date)

./Ninja\.