def InstallForData()

in src/TulsiGenerator/Scripts/install_genfiles.py [0:0]

• 17 lines of code
• 10 McCabe index (conditional complexity)

  def InstallForData(self, output_data):
    """Symlinks generated sources present in the output_data."""
    bazel_exec_root = self.bazel_exec_root
    tulsi_root = self.tulsi_root

    for gs in output_data['generated_sources']:
      real_path, link_path = gs
      src = os.path.join(bazel_exec_root, real_path)

      # Bazel outputs are not guaranteed to be created if nothing references
      # them. This check skips the processing if an output was declared
      # but not created.
      if not os.path.exists(src):
        continue

      # The /x/x/ part is here to match the number of directory components
      # between tulsi root and bazel root. See tulsi_aspects.bzl for futher
      # explanation.
      dst = os.path.join(tulsi_root, 'x/x/', link_path)

      dst_dir = os.path.dirname(dst)
      if not os.path.exists(dst_dir):
        os.makedirs(dst_dir)

      # It's important to use lexists() here in case dst is a broken symlink
      # (in which case exists() would return False).
      if os.path.lexists(dst):
        # Don't need to do anything if the link hasn't changed.
        if os.readlink(dst) == src:
          continue

        # Link changed; must remove it otherwise os.symlink will fail.
        os.unlink(dst)

      os.symlink(src, dst)