Xash3D FWGS engine.
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#!/usr/bin/env python
# -*- encoding: utf-8 -*-
# Michel Mooij, michel.mooij7@gmail.com
from waflib import Utils
from waflib import Errors
def get_deps(bld, target):
'''Returns a list of (nested) targets on which this target depends.
:param bld: a *waf* build instance from the top level *wscript*
:type bld: waflib.Build.BuildContext
:param target: task name for which the dependencies should be returned
:type target: str
:returns: a list of task names on which the given target depends
'''
try:
tgen = bld.get_tgen_by_name(target)
except Errors.WafError:
return []
else:
uses = Utils.to_list(getattr(tgen, 'use', []))
deps = uses[:]
for use in uses:
deps += get_deps(bld, use)
return list(set(deps))
def get_tgens(bld, names):
'''Returns a list of task generators based on the given list of task
generator names.
:param bld: a *waf* build instance from the top level *wscript*
:type bld: waflib.Build.BuildContext
:param names: list of task generator names
:type names: list of str
:returns: list of task generators
'''
tgens=[]
for name in names:
try:
tgen = bld.get_tgen_by_name(name)
except Errors.WafError:
pass
else:
tgens.append(tgen)
return list(set(tgens))
def get_targets(bld):
'''Returns a list of user specified build targets or None if no specific
build targets has been selected using the *--targets=* command line option.
:param bld: a *waf* build instance from the top level *wscript*.
:type bld: waflib.Build.BuildContext
:returns: a list of user specified target names (using --targets=x,y,z) or None
'''
if bld.targets == '':
return None
targets = bld.targets.split(',')
for target in targets:
targets += get_deps(bld, target)
return targets