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#!/usr/bin/env python2
from __future__ import print_function
import argparse
import pprint
import sys
def die(msg):
print(msg, file=sys.stderr)
sys.exit(1)
def do_unbundle(gypdata, targets):
gyptargets = {t['target_name']: t for t in gypdata['targets']}
dropped_deps = set()
def _unbundle_in_block(gypblock):
gypdeps = gypblock.get('dependencies') or {}
for dep, (libs, defines) in unbundlings.items():
if dep not in gypdeps:
continue
gypdeps.remove(dep)
try:
ls = gyptarget['link_settings']
except KeyError:
ls = gyptarget['link_settings'] = {}
try:
gyplibs = ls['libraries']
except KeyError:
gyplibs = ls['libraries'] = []
gyplibs.extend('-l{}'.format(lib) for lib in libs)
if defines:
try:
dd = gyptarget['defines']
except KeyError:
dd = gyptarget['defines'] = []
dd.extend(defines)
dropped_deps.add(dep)
gypconds = gypblock.get('conditions') or []
for cond in gypconds:
condblocks = cond[1:]
for condblock in condblocks:
_unbundle_in_block(condblock)
for target, unbundlings in targets.items():
if target not in gyptargets:
die('There is no {} target in gyp file'.format(target))
gyptarget = gyptargets[target]
_unbundle_in_block(gyptarget)
for gyptarget in gypdata['targets']:
if gyptarget['target_name'] in dropped_deps:
if gyptarget.get('dependencies'):
dropped_deps.update(gyptarget.get('dependencies'))
new_targets = []
for gyptarget in gypdata['targets']:
if gyptarget['target_name'] not in dropped_deps:
new_targets.append(gyptarget)
gypdata['targets'] = new_targets
gypconds = gypdata.get('conditions')
if gypconds:
for cond in gypconds:
condblocks = cond[1:]
for condblock in condblocks:
new_targets = []
blocktargets = condblock.get('targets')
if blocktargets:
for blocktarget in blocktargets:
if blocktarget['target_name'] not in dropped_deps:
new_targets.append(blocktarget)
condblock['targets'] = new_targets
def main():
parser = argparse.ArgumentParser(description='Unbundle libs in gyp files')
parser.add_argument('gypfile', type=str, help='input gyp file')
parser.add_argument(
'--unbundle', type=str, action='append',
help='unbundle rule in the format '
'<target>;<dep>;<lib>[;lib][;-DMACRO]')
parser.add_argument(
'-i', '--inplace', action='store_true',
help='modify gyp file in-place')
args = parser.parse_args()
targets = {}
for unbundle in args.unbundle:
rule = list(filter(None, (i.strip() for i in unbundle.split(';'))))
if len(rule) < 3:
die('Invalid unbundle rule: {!r}'.format(unbundle))
target, dep = rule[:2]
defines = []
libs = []
for item in rule[2:]:
if item.startswith('-D'):
defines.append(item[2:])
else:
libs.append(item)
try:
target_unbundlings = targets[target]
except KeyError:
target_unbundlings = targets[target] = {}
target_unbundlings[dep] = libs, defines
with open(args.gypfile, 'rt') as f:
gypdata = eval(f.read())
do_unbundle(gypdata, targets)
if args.inplace:
with open(args.gypfile, 'wt') as f:
pprint.pprint(gypdata, stream=f)
else:
pprint.pprint(gypdata)
if __name__ == '__main__':
main()
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