git.gag.com Git - debian/gnuradio/blob - grc/src/platforms/python/Platform.py

   1 """
   2 Copyright 2008 Free Software Foundation, Inc.
   3 This file is part of GNU Radio
   4
   5 GNU Radio Companion is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 GNU Radio Companion is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  18 """
  19
  20 import os
  21 from .. base.Constants import FLOW_GRAPH_FILE_EXTENSION
  22 from .. base.Platform import Platform as _Platform
  23 from FlowGraph import FlowGraph as _FlowGraph
  24 from Connection import Connection as _Connection
  25 from Block import Block as _Block
  26 from Port import Source,Sink
  27 from Param import Param as _Param
  28 from Generator import Generator
  29 from Constants import \
  30         HIER_BLOCKS_LIB_DIR, BLOCK_DTD, \
  31         BLOCK_TREE, DEFAULT_FLOW_GRAPH, \
  32         BLOCKS_DIR
  33
  34 class Platform(_Platform):
  35
  36         def __init__(self, block_paths_internal_only=[], block_paths_external=[]):
  37                 """
  38                 Make a platform for gnuradio.
  39                 The internal only list will replace the current block path.
  40                 @param block_paths_internal_only a list of blocks internal to this platform
  41                 @param block_paths_external a list of blocks to load in addition to the above blocks
  42                 """
  43                 #ensure hier dir
  44                 if not os.path.exists(HIER_BLOCKS_LIB_DIR): os.mkdir(HIER_BLOCKS_LIB_DIR)
  45                 #handle internal/only
  46                 if block_paths_internal_only:
  47                         block_paths = map(lambda b: os.path.join(BLOCKS_DIR, b), ['options.xml'] + block_paths_internal_only)
  48                 else: block_paths = [BLOCKS_DIR]
  49                 #handle external
  50                 block_paths.extend(block_paths_external)
  51                 #append custom hiers
  52                 block_paths.append(HIER_BLOCKS_LIB_DIR)
  53                 #init
  54                 _Platform.__init__(
  55                         self,
  56                         name='GNURadio Python',
  57                         key='gnuradio_python',
  58                         block_paths=block_paths,
  59                         block_dtd=BLOCK_DTD,
  60                         block_tree=BLOCK_TREE,
  61                         default_flow_graph=DEFAULT_FLOW_GRAPH,
  62                         generator=Generator,
  63                 )
  64
  65         ##############################################
  66         # Constructors
  67         ##############################################
  68         FlowGraph = _FlowGraph
  69         Connection = _Connection
  70         Block = _Block
  71         Source = Source
  72         Sink = Sink
  73         Param = _Param