Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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#!/usr/bin/env python
# encoding: utf-8
# Copyright (c) 2019 a1batross
'''
Subproject tool
Helps you have standalone environment for each subproject(subdirectory)
Usage:
def options(opt):
opt.load('subproject')
def configure(conf):
conf.add_subproject('folder1 folder2')
def build(bld):
bld.add_subproject('folder1 folder2')
'''
from waflib import Configure, Logs, Options, Utils
import os, sys
def opt(f):
"""
Decorator: attach new option functions to :py:class:`waflib.Options.OptionsContext`.
:param f: method to bind
:type f: function
"""
setattr(Options.OptionsContext, f.__name__, f)
return f
def get_waifulib_by_path(path):
if not os.path.isabs(path):
path = os.path.abspath(path)
waifulib = os.path.join(path, 'scripts', 'waifulib')
if os.path.isdir(waifulib):
return waifulib
return None
def check_and_add_waifulib(path):
waifulib = get_waifulib_by_path(path)
if waifulib:
sys.path.insert(0, waifulib)
def remove_waifulib(path):
waifulib = get_waifulib_by_path(path)
if waifulib:
sys.path.remove(waifulib)
@opt
def add_subproject(ctx, names):
names_lst = Utils.to_list(names)
for name in names_lst:
if not os.path.isabs(name):
# absolute paths only
wscript_dir = os.path.join(ctx.path.abspath(), name)
else: wscript_dir = name
wscript_path = os.path.join(wscript_dir, 'wscript')
if not os.path.isfile(wscript_path):
# HACKHACK: this way we get warning message right in the help
# so this just becomes more noticeable
ctx.add_option_group('Cannot find wscript in ' + wscript_path + '. You probably missed submodule update')
else:
check_and_add_waifulib(wscript_dir)
ctx.recurse(name)
remove_waifulib(wscript_dir)
def options(opt):
grp = opt.add_option_group('Subproject options')
grp.add_option('-S', '--skip-subprojects', action='store', dest = 'SKIP_SUBDIRS', default=None,
help = 'don\'t recurse into specified subprojects. Use only directory name.')
def get_subproject_env(ctx, path, log=False):
# remove top dir path
path = str(path)
if path.startswith(ctx.top_dir):
if ctx.top_dir[-1] != os.pathsep:
path = path[len(ctx.top_dir) + 1:]
else: path = path[len(ctx.top_dir):]
# iterate through possible subprojects names
folders = os.path.normpath(path).split(os.sep)
# print(folders)
for i in range(1, len(folders)+1):
name = folders[-i]
# print(name)
if name in ctx.all_envs:
if log: Logs.pprint('YELLOW', 'env: changed to %s' % name)
return ctx.all_envs[name]
if log: Logs.pprint('YELLOW', 'env: changed to default env')
raise IndexError('top env')
@Configure.conf
def add_subproject(ctx, dirs, prepend = None):
'''
Recurse into subproject directory
:param dirs: Directories we recurse into
:type dirs: array or string
:param prepend: Prepend virtual path, useful when managing projects with different environments
:type prepend: string
'''
if isinstance(ctx, Configure.ConfigurationContext):
if not ctx.env.IGNORED_SUBDIRS and ctx.options.SKIP_SUBDIRS:
ctx.env.IGNORED_SUBDIRS = ctx.options.SKIP_SUBDIRS.split(',')
for prj in Utils.to_list(dirs):
if ctx.env.SUBPROJECT_PATH:
subprj_path = list(ctx.env.SUBPROJECT_PATH)
else:
subprj_path = []
if prj in ctx.env.IGNORED_SUBDIRS:
ctx.msg(msg='--X %s' % '/'.join(subprj_path), result='ignored', color='YELLOW')
continue
if prepend:
subprj_path.append(prepend)
subprj_path.append(prj)
saveenv = ctx.env
ctx.setenv('_'.join(subprj_path), ctx.env) # derive new env from previous
ctx.env.ENVNAME = prj
ctx.env.SUBPROJECT_PATH = list(subprj_path)
ctx.msg(msg='--> %s' % '/'.join(subprj_path), result='in progress', color='BLUE')
check_and_add_waifulib(os.path.join(ctx.path.abspath(), prj))
ctx.recurse(prj)
remove_waifulib(os.path.join(ctx.path.abspath(), prj))
ctx.msg(msg='<-- %s' % '/'.join(subprj_path), result='done', color='BLUE')
ctx.setenv('') # save env changes
ctx.env = saveenv # but use previous
else:
if not ctx.all_envs:
ctx.load_envs()
for prj in Utils.to_list(dirs):
if prj in ctx.env.IGNORED_SUBDIRS:
continue
if ctx.env.SUBPROJECT_PATH:
subprj_path = list(ctx.env.SUBPROJECT_PATH)
else:
subprj_path = []
if prepend:
subprj_path.append(prepend)
subprj_path.append(prj)
saveenv = ctx.env
try:
ctx.env = ctx.all_envs['_'.join(subprj_path)]
except:
ctx.fatal('Can\'t find env cache %s' % '_'.join(subprj_path))
check_and_add_waifulib(os.path.join(ctx.path.abspath(), prj))
ctx.recurse(prj)
remove_waifulib(os.path.join(ctx.path.abspath(), prj))
ctx.env = saveenv