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"""
Copyright 2008-2015 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
GNU Radio Companion is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
"""
import os
import sys
from gnuradio import gr
from .. base.Platform import Platform as _Platform
from .. gui.Platform import Platform as _GUIPlatform
from . import extract_docs
from .FlowGraph import FlowGraph as _FlowGraph
from .Connection import Connection as _Connection
from .Block import Block as _Block
from .Port import Port as _Port
from .Param import Param as _Param
from .Generator import Generator
from .Constants import (
HIER_BLOCKS_LIB_DIR, BLOCK_DTD, DEFAULT_FLOW_GRAPH, BLOCKS_DIRS,
PREFS_FILE, PREFS_FILE_OLD, CORE_TYPES
)
COLORS = [(name, color) for name, key, sizeof, color in CORE_TYPES]
class Platform(_Platform, _GUIPlatform):
def __init__(self):
"""
Make a platform for gnuradio.
"""
# ensure hier and conf directories
if not os.path.exists(HIER_BLOCKS_LIB_DIR):
os.mkdir(HIER_BLOCKS_LIB_DIR)
if not os.path.exists(os.path.dirname(PREFS_FILE)):
os.mkdir(os.path.dirname(PREFS_FILE))
self.block_docstrings = block_docstrings = dict()
self.block_docstrings_loaded_callback = lambda: None
def setter(key, docs):
block_docstrings[key] = '\n\n'.join(
'--- {0} ---\n{1}\n'.format(b, d.replace('\n\n', '\n'))
for b, d in docs.iteritems() if d is not None
)
self._docstring_extractor = extract_docs.SubprocessLoader(
callback_query_result=setter,
callback_finished=lambda: self.block_docstrings_loaded_callback()
)
# init
_Platform.__init__(
self,
name='GNU Radio Companion',
version=(gr.version(), gr.major_version(), gr.api_version(), gr.minor_version()),
key='grc',
license=__doc__.strip(),
website='http://gnuradio.org/',
block_paths=BLOCKS_DIRS,
block_dtd=BLOCK_DTD,
default_flow_graph=DEFAULT_FLOW_GRAPH,
generator=Generator,
colors=COLORS,
)
self._move_old_pref_file()
_GUIPlatform.__init__(
self,
prefs_file=PREFS_FILE
)
@staticmethod
def _move_old_pref_file():
if PREFS_FILE == PREFS_FILE_OLD:
return # prefs file overridden with env var
if os.path.exists(PREFS_FILE_OLD) and not os.path.exists(PREFS_FILE):
try:
import shutil
shutil.move(PREFS_FILE_OLD, PREFS_FILE)
except Exception as e:
print >> sys.stderr, e
def load_blocks(self):
self._docstring_extractor.start()
_Platform.load_blocks(self)
self._docstring_extractor.finish()
# self._docstring_extractor.wait()
def load_block_xml(self, xml_file):
block = _Platform.load_block_xml(self, xml_file)
self._docstring_extractor.query(
block.get_key(),
block.get_imports(raw=True),
block.get_make(raw=True)
)
return block
##############################################
# Constructors
##############################################
FlowGraph = _FlowGraph
Connection = _Connection
Block = _Block
Port = _Port
Param = _Param
|
