source: tests/pybin/settings.py@ 58e280f4

import os
import subprocess
import sys
from . import tools

global original_path

try :
        original_path = os.getcwd()
        testpath = os.path.dirname(os.path.abspath(os.path.join(os.getcwd(), sys.argv[0])))
        sys.path.append(testpath)
        import config

        SRCDIR = os.path.abspath(config.SRCDIR)
        BUILDDIR = os.path.abspath(config.BUILDDIR)
        distribute = config.DISTRIBUTE
        os.chdir(testpath)

except:
        print('ERROR: missing config.py, re-run configure script.', file=sys.stderr)
        sys.exit(1)

class Architecture:
        KnownArchitectures = {
                'x64'           : 'x64',
                'x86-64'        : 'x64',
                'x86_64'        : 'x64',
                'x86'           : 'x86',
                'aarch64'       : 'arm',
                'i386'          : 'x86',
                'i486'          : 'x86',
                'i686'          : 'x86',
                'Intel 80386'   : 'x86',
                'arm'           : 'arm',
                'ARM'           : 'arm',
        }

        CrossCompileFlags = {
                'x64' : 'ARCH_FLAGS=-m64',
                'x86' : 'ARCH_FLAGS=-m32',
        }

        def __init__(self, arch):
                try:
                        canonical_host = Architecture.make_canonical( config.HOSTARCH )
                except KeyError:
                        print("Unknown host architecture %s" % config.HOSTARCH, file=sys.stderr)
                        sys.exit(1)

                if arch:
                        try:
                                arch = Architecture.make_canonical( arch )
                        except KeyError:
                                print("Unknown architecture %s" % arch, file=sys.stderr)
                                sys.exit(1)

                if arch and arch != canonical_host:
                        self.target = arch
                        self.cross_compile = True
                else:
                        self.target = canonical_host
                        self.cross_compile = False


                try :
                        self.flags = Architecture.CrossCompileFlags[self.target]
                except KeyError:
                        print("Cross compilation not available for architecture %s" % self.target, file=sys.stderr)
                        sys.exit(1)

                self.string = self.target

        def update(self):
                if not self.cross_compile:
                        self.target = machine_default()
                        self.string = self.target
                        print("updated to %s" % self.target)

        def match(self, arch):
                return True if not arch else self.target == arch

        @classmethod
        def make_canonical(_, arch):
                return Architecture.KnownArchitectures[arch]


class Debug:
        def __init__(self, value):
                self.string = "debug" if value else "no debug"
                self.flags  = """DEBUG_FLAGS=%s""" % ("-debug -O0" if value else "-nodebug -O2")
                self.path   = "debug" if value else "nodebug"

class Install:
        def __init__(self, value):
                if value:
                        distribute = False

                self.string = "installed" if value else "in tree"
                self.flags  = """installed=%s""" % ("yes" if value else "no")

class Timeouts:
        def __init__(self, ts, tg):
                self.single = Timeouts.check(ts)
                self.total  = Timeouts.check(tg)

        @classmethod
        def check(_, value):
                if value < 1:
                        print("Timeouts must be at least 1 second", file=sys.stderr)
                        sys.exit(1)

                return value

def init( options ):
        global arch
        global archive
        global debug
        global distcc
        global dry_run
        global generating
        global install
        global make
        global output_width
        global timeout

        arch         = Architecture(options.arch)
        archive      = os.path.abspath(os.path.join(original_path, options.archive_errors)) if options.archive_errors else None
        debug        = Debug(options.debug)
        dry_run      = options.dry_run # must be called before tools.config_hash()
        distcc       = "DISTCC_CFA_PATH=~/.cfadistcc/%s/cfa" % tools.config_hash()
        generating   = options.regenerate_expected
        install      = Install(options.install)
        make         = ['make']
        output_width = 24
        timeout      = Timeouts(options.timeout, options.global_timeout)

        # if we distribute, distcc errors will fail tests, use log file for distcc
        # don't use "'DISTCC_LOG' not in os.environ" because it can be set to ''
        if distribute and not os.environ.get('DISTCC_LOG'):
                os.putenv('DISTCC_LOG', os.path.join(BUILDDIR, 'distcc_error.log'))

def update_make_cmd(force, jobs):
        global make

        make = ['make'] if not force else ['make', "-j%i" % jobs]

def validate():
        errf = os.path.join(BUILDDIR, ".validate.err")
        make_ret, out = tools.make( ".validate", error_file = errf, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL )
        if make_ret != 0:
                with open (errf, "r") as myfile:
                        error=myfile.read()
                print("ERROR: Invalid configuration %s:%s" % (arch.string, debug.string), file=sys.stderr)
                print("       verify returned : \n%s" % error, file=sys.stderr)
                tools.rm(errf)
                sys.exit(1)

        tools.rm(errf)

def prep_output(tests):
        global output_width
        output_width = max(map(lambda t: len(t.target()), tests))