def dump_file_hashes(conf):
output = conf.system.dependency_cache
o = { 'conf': conf.dict(),
'time': datetime.datetime.utcnow().strftime("%s"),
'files': { }
}
files = expand_tree(os.path.join(conf.paths.projectroot, conf.paths.source), None)
fmap = o['files']
for fn in files:
if os.path.exists(fn):
fmap[fn] = md5_file(fn)
output_dir = os.path.dirname(output)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
with open(output, 'w') as f:
json.dump(o, f)
logger.info('wrote dependency cache to: {0}'.format(output))
def needs_rebuild(t, d):
if dep_map is None:
return check_dependency(t, d)
elif d in dep_map:
fn_hash = md5_file(d)
else:
return check_dependency(t, d)
if dep_map[d] == fn_hash:
return False
else:
return True
