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.Platform import Platform as _Platform
  22 from FlowGraph import FlowGraph as _FlowGraph
  23 from Connection import Connection as _Connection
  24 from Block import Block as _Block
  25 from Port import Source,Sink
  26 from Param import Param as _Param
  27 from Generator import Generator
  28 from Constants import \
  29         HIER_BLOCKS_LIB_DIR, BLOCK_DTD, \
  30         BLOCK_TREE, DEFAULT_FLOW_GRAPH, \
  31         BLOCKS_DIR
  32
  33 class Platform(_Platform):
  34
  35         def __init__(self, block_paths_internal_only=[], block_paths_external=[]):
  36                 """
  37                 Make a platform for gnuradio.
  38                 The internal only list will replace the current block path.
  39                 @param block_paths_internal_only a list of blocks internal to this platform
  40                 @param block_paths_external a list of blocks to load in addition to the above blocks
  41                 """
  42                 #ensure hier dir
  43                 if not os.path.exists(HIER_BLOCKS_LIB_DIR): os.mkdir(HIER_BLOCKS_LIB_DIR)
  44                 #handle internal/only
  45                 if block_paths_internal_only:
  46                         block_paths = map(lambda b: os.path.join(BLOCKS_DIR, b), ['options.xml'] + block_paths_internal_only)
  47                 else: block_paths = [BLOCKS_DIR]
  48                 #handle external
  49                 block_paths.extend(block_paths_external)
  50                 #append custom hiers
  51                 block_paths.append(HIER_BLOCKS_LIB_DIR)
  52                 #init
  53                 _Platform.__init__(
  54                         self,
  55                         name='GRC',
  56                         key='grc',
  57                         block_paths=block_paths,
  58                         block_dtd=BLOCK_DTD,
  59                         block_tree=BLOCK_TREE,
  60                         default_flow_graph=DEFAULT_FLOW_GRAPH,
  61                         generator=Generator,
  62                 )
  63
  64         ##############################################
  65         # Constructors
  66         ##############################################
  67         FlowGraph = _FlowGraph
  68         Connection = _Connection
  69         Block = _Block
  70         Source = Source
  71         Sink = Sink
  72         Param = _Param