python3-dev.tcz
   python3.tcz
      expat2.tcz
      libffi.tcz
      openssl-1.0.0.tcz
      sqlite3.tcz
      tk.tcz
         tcl.tcz
   expat2-dev.tcz
      expat2.tcz
   libffi-dev.tcz
      libffi.tcz
   openssl-1.0.0-dev.tcz
      openssl-1.0.0.tcz
   sqlite3-dev.tcz
      sqlite3.tcz
   tk-dev.tcz
      tk.tcz
         tcl.tcz
      tcl-dev.tcz
         tcl.tcz