test/CacheDir/value_dependencies/SConstruct

   1 # SPDX-License-Identifier: MIT
   2 #
   3 # Copyright The SCons Foundation
   4
   5 import SCons.Node
   6
   7 CacheDir('cache')
   8
   9 def b(target, source, env):
  10     with open(target[0].abspath, 'w') as f:
  11         pass
  12
  13 def scan(node, env, path):
  14     """Have the node depend on a directory, which depends on a Value node."""
  15     sample_dir = env.fs.Dir('dir2')
  16     env.Depends(sample_dir, env.Value('c'))
  17     return [sample_dir, env.Value('d'), env.Value(b'\x03\x0F', name='name3')]
  18
  19 scanner = Scanner(function=scan, node_class=SCons.Node.Node)
  20 builder = Builder(action=b, source_scanner=scanner)
  21
  22 DefaultEnvironment(tools=[])
  23 env = Environment(tools=[])
  24 env.Append(BUILDERS={'B': builder})
  25
  26 # Create a node and a directory that each depend on an instance of
  27 # SCons.Node.Python.Value.
  28 sample_dir = env.fs.Dir('dir1')
  29 env.Depends(sample_dir, [env.Value('a'), env.Value(b'\x01\x0F', name='name1')])
  30
  31 sample_file = env.fs.File('testfile')
  32 env.Depends(sample_file, [env.Value('b'), env.Value(b'\x02\x0F', name='name2')])
  33
  34 env.B(target='File1.out', source=[sample_dir, sample_file])