#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: GPL-2.0-only
#

import subprocess
import multiprocessing
import traceback

def read_file(filename):
    try:
        f = open( filename, "r" )
    except IOError as reason:
        return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
    else:
        data = f.read().strip()
        f.close()
        return data
    return None

def ifelse(condition, iftrue = True, iffalse = False):
    if condition:
        return iftrue
    else:
        return iffalse

def conditional(variable, checkvalue, truevalue, falsevalue, d):
    if d.getVar(variable) == checkvalue:
        return truevalue
    else:
        return falsevalue

def vartrue(var, iftrue, iffalse, d):
    import oe.types
    if oe.types.boolean(d.getVar(var)):
        return iftrue
    else:
        return iffalse

def less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
    if float(d.getVar(variable)) <= float(checkvalue):
        return truevalue
    else:
        return falsevalue

def version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
    result = bb.utils.vercmp_string(d.getVar(variable), checkvalue)
    if result <= 0:
        return truevalue
    else:
        return falsevalue

def both_contain(variable1, variable2, checkvalue, d):
    val1 = d.getVar(variable1)
    val2 = d.getVar(variable2)
    val1 = set(val1.split())
    val2 = set(val2.split())
    if isinstance(checkvalue, str):
        checkvalue = set(checkvalue.split())
    else:
        checkvalue = set(checkvalue)
    if checkvalue.issubset(val1) and checkvalue.issubset(val2):
        return " ".join(checkvalue)
    else:
        return ""

def set_intersect(variable1, variable2, d):
    """
    Expand both variables, interpret them as lists of strings, and return the
    intersection as a flattened string.

    For example:
    s1 = "a b c"
    s2 = "b c d"
    s3 = set_intersect(s1, s2)
    => s3 = "b c"
    """
    val1 = set(d.getVar(variable1).split())
    val2 = set(d.getVar(variable2).split())
    return " ".join(val1 & val2)

def prune_suffix(var, suffixes, d):
    # See if var ends with any of the suffixes listed and
    # remove it if found
    for suffix in suffixes:
        if suffix and var.endswith(suffix):
            var = var[:-len(suffix)]

    prefix = d.getVar("MLPREFIX")
    if prefix and var.startswith(prefix):
        var = var[len(prefix):]

    return var

def str_filter(f, str, d):
    from re import match
    return " ".join([x for x in str.split() if match(f, x, 0)])

def str_filter_out(f, str, d):
    from re import match
    return " ".join([x for x in str.split() if not match(f, x, 0)])

def build_depends_string(depends, task):
    """Append a taskname to a string of dependencies as used by the [depends] flag"""
    return " ".join(dep + ":" + task for dep in depends.split())

def inherits(d, *classes):
    """Return True if the metadata inherits any of the specified classes"""
    return any(bb.data.inherits_class(cls, d) for cls in classes)

def features_backfill(var,d):
    # This construct allows the addition of new features to variable specified
    # as var
    # Example for var = "DISTRO_FEATURES"
    # This construct allows the addition of new features to DISTRO_FEATURES
    # that if not present would disable existing functionality, without
    # disturbing distributions that have already set DISTRO_FEATURES.
    # Distributions wanting to elide a value in DISTRO_FEATURES_BACKFILL should
    # add the feature to DISTRO_FEATURES_BACKFILL_CONSIDERED
    features = (d.getVar(var) or "").split()
    backfill = (d.getVar(var+"_BACKFILL") or "").split()
    considered = (d.getVar(var+"_BACKFILL_CONSIDERED") or "").split()

    addfeatures = []
    for feature in backfill:
        if feature not in features and feature not in considered:
            addfeatures.append(feature)

    if addfeatures:
        d.appendVar(var, " " + " ".join(addfeatures))

def all_distro_features(d, features, truevalue="1", falsevalue=""):
    """
    Returns truevalue if *all* given features are set in DISTRO_FEATURES,
    else falsevalue. The features can be given as single string or anything
    that can be turned into a set.

    This is a shorter, more flexible version of
    bb.utils.contains("DISTRO_FEATURES", features, truevalue, falsevalue, d).

    Without explicit true/false values it can be used directly where
    Python expects a boolean:
       if oe.utils.all_distro_features(d, "foo bar"):
           bb.fatal("foo and bar are mutually exclusive DISTRO_FEATURES")

    With just a truevalue, it can be used to include files that are meant to be
    used only when requested via DISTRO_FEATURES:
       require ${@ oe.utils.all_distro_features(d, "foo bar", "foo-and-bar.inc")
    """
    return bb.utils.contains("DISTRO_FEATURES", features, truevalue, falsevalue, d)

def any_distro_features(d, features, truevalue="1", falsevalue=""):
    """
    Returns truevalue if at least *one* of the given features is set in DISTRO_FEATURES,
    else falsevalue. The features can be given as single string or anything
    that can be turned into a set.

    This is a shorter, more flexible version of
    bb.utils.contains_any("DISTRO_FEATURES", features, truevalue, falsevalue, d).

    Without explicit true/false values it can be used directly where
    Python expects a boolean:
       if not oe.utils.any_distro_features(d, "foo bar"):
           bb.fatal("foo, bar or both must be set in DISTRO_FEATURES")

    With just a truevalue, it can be used to include files that are meant to be
    used only when requested via DISTRO_FEATURES:
       require ${@ oe.utils.any_distro_features(d, "foo bar", "foo-or-bar.inc")

    """
    return bb.utils.contains_any("DISTRO_FEATURES"
#!/bin/sh

# OE Build Environment Setup Script
#
# Copyright (C) 2006-2011 Linux Foundation
#
# SPDX-License-Identifier: GPL-2.0-or-later
#

#
# Normally this is called as '. ./oe-init-build-env <builddir>'
#
# This works in most shells (not dash), but not all of them pass the arguments
# when being sourced.  To workaround the shell limitation use "set <builddir>"
# prior to sourcing this script.
#
if [ -n "$BASH_SOURCE" ]; then
    THIS_SCRIPT=$BASH_SOURCE
elif [ -n "$ZSH_NAME" ]; then
    THIS_SCRIPT=$0
else
    THIS_SCRIPT="$(pwd)/oe-init-build-env"
    if [ ! -e "$THIS_SCRIPT" ]; then
        echo "Error: $THIS_SCRIPT doesn't exist!" >&2
        echo "Please run this script in oe-init-build-env's directory." >&2
        exit 1
    fi
fi
if [ -n "$BBSERVER" ]; then
    unset BBSERVER
fi

if [ -z "$ZSH_NAME" ] && [ "$0" = "$THIS_SCRIPT" ]; then
    echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT'" >&2
    exit 1
fi

if [ -z "$OEROOT" ]; then
    OEROOT=$(dirname "$THIS_SCRIPT")
    OEROOT=$(readlink -f "$OEROOT")
fi
unset THIS_SCRIPT

export OEROOT
. $OEROOT/scripts/oe-buildenv-internal &&
    TEMPLATECONF="$TEMPLATECONF" $OEROOT/scripts/oe-setup-builddir || {
    unset OEROOT
    return 1
}
unset OEROOT

[ -z "$BUILDDIR" ] || cd "$BUILDDIR"