Python-Apple-support/patch/Python/_cross_target.py.tmpl at 31b24d7c3eadbc152be3ab33f18564b500d28021 · beeware/Python-Apple-support · GitHub

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# A site package that turns a macOS virtual environment
# into an {{arch}} {{sdk}} cross-platform virtual environment
import platform
import subprocess
import sys
import sysconfig

###########################################################################
# sys module patches
###########################################################################
sys.cross_compiling = True
sys.platform = "{{platform}}"
sys.implementation._multiarch = "{{arch}}-{{sdk}}"
sys.base_prefix = sysconfig.get_config_var("prefix")
sys.base_exec_prefix = sysconfig.get_config_var("prefix")

###########################################################################
# subprocess module patches
###########################################################################
subprocess._can_fork_exec = True


###########################################################################
# platform module patches
###########################################################################

def cross_system():
    return "{{os}}"


def cross_uname():
    return platform.uname_result(
        system="{{os}}",
        node="build",
        release="{{version_min}}",
        version="",
        machine="{{arch}}",
    )


def cross_ios_ver(system="", release="", model="", is_simulator=False):
    if system == "":
        system = "{{os}}"
    if release == "":
        release = "{{version_min}}"
    if model == "":
        model = "{{sdk}}"

    return platform.IOSVersionInfo(system, release, model, {{is_simulator}})


platform.system = cross_system
platform.uname = cross_uname
platform.ios_ver = cross_ios_ver


###########################################################################
# sysconfig module patches
###########################################################################

def cross_get_platform():
    return "{{platform}}-{{version_min}}-{{arch}}-{{sdk}}"


def cross_get_sysconfigdata_name():
    return "_sysconfigdata__{{platform}}_{{arch}}-{{sdk}}"


sysconfig.get_platform = cross_get_platform
sysconfig._get_sysconfigdata_name = cross_get_sysconfigdata_name

# Ensure module-level values cached at time of import are updated.
sysconfig._BASE_PREFIX = sys.base_prefix
sysconfig._BASE_EXEC_PREFIX = sys.base_exec_prefix

# Force sysconfig data to be loaded (and cached).
sysconfig._init_config_vars()