Merge remote branch 'gnuradio/next'

* gnuradio/next: (806 commits)
  gruel: added missing ignores
  gruel: fixed swig interface file to dereference pmt_t.
  qtgui: fix distcheck error
  gruel: fixing structure. Passes make check.
  gruel: SWIGing Gruel into Python to access PMTs.
  gnuradio-examples: add C++ audio examples using new gr-audio
  created gruel/attributes.h to house compiler specific attribute macros
  audio: remove obsoleted individual top-level components
  gr-audio: added README and default config fix
  volk: simplify the get new method for the aligned pool
  grc: moved all usrp1 and usrp2 stuff out of grc and into gr-usrp*/grc
  grc: swap store the subprocess object rather than the pid when executing
  qtgui: removed python directory that was added, never used
  uhd: use %ignore to hide warnings and fix errors
  Added/updated ignore files.
  Fixing gr_filter_design program to import from gnuradio Python package.
  audio: high prio for platform specific audio osx
  audio: added windows and osx audio source files
  audio: added config checks for other audios, added jack and port
  audio: make prefs look like old audio, removed old audio.py
  ...

1 files changed, 88 insertions, 0 deletions

diff --git a/gr-uhd/swig/__init__.py b/gr-uhd/swig/__init__.py
new file mode 100644
index 000000000..7ed689ec0
--- /dev/null
+++ b/gr-uhd/swig/__init__.py
@@ -0,0 +1,88 @@
+#
+# Copyright 2010-2011 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio 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 3, or (at your option)
+# any later version.
+# 
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+########################################################################
+# Prepare uhd swig module to make it more pythonic
+########################################################################
+def _prepare_uhd_swig():
+    import uhd_swig
+
+    #some useful typedefs for the user
+    setattr(uhd_swig, 'freq_range_t', uhd_swig.meta_range_t)
+    setattr(uhd_swig, 'gain_range_t', uhd_swig.meta_range_t)
+
+    #Make the python tune request object inherit from float
+    #so that it can be passed in GRC as a frequency parameter.
+    #The type checking in GRC will accept the tune request.
+    class tune_request_t(uhd_swig.tune_request_t, float):
+        def __new__(self, *args): return float.__new__(self)
+        def __float__(self): return self.target_freq
+    setattr(uhd_swig, 'tune_request_t', tune_request_t)
+
+    #Make the python tune request object inherit from string
+    #so that it can be passed in GRC as a string parameter.
+    #The type checking in GRC will accept the device address.
+    #Define the set/get item special methods for dict access.
+    class device_addr_t(uhd_swig.device_addr_t, str):
+        def __new__(self, *args): return str.__new__(self)
+        def __getitem__(self, key): return self.get(key)
+        def __setitem__(self, key, val): self.set(key, val)
+    setattr(uhd_swig, 'device_addr_t', device_addr_t)
+
+    #handle general things on all uhd_swig attributes
+    #Install the __str__ and __repr__ handlers if applicable
+    #Create aliases for uhd swig attributes to avoid the "_t"
+    for attr in dir(uhd_swig):
+        myobj = getattr(uhd_swig, attr)
+        if hasattr(myobj, 'to_string'):    myobj.__repr__     = lambda o: o.to_string().strip()
+        if hasattr(myobj, 'to_pp_string'): myobj.__str__      = lambda o: o.to_pp_string().strip()
+        if hasattr(myobj, 'to_bool'):      myobj.__nonzero__  = lambda o: o.to_bool()
+        if hasattr(myobj, 'to_int'):       myobj.__int__      = lambda o: o.to_int()
+        if hasattr(myobj, 'to_real'):      myobj.__float__    = lambda o: o.to_real()
+        if attr.endswith('_t'): setattr(uhd_swig, attr[:-2], myobj)
+
+    #Cast constructor args (FIXME swig handle overloads?)
+    for attr in ('usrp_source', 'usrp_sink'):
+        def constructor_factory(old_constructor):
+            def constructor_interceptor(*args, **kwargs):
+                args = list(args)
+                kwargs = dict(kwargs)
+                for index, key, cast in (
+                    (0, 'device_addr', device_addr),
+                    (1, 'io_type', io_type),
+                ):
+                    if len(args) > index: args[index] = cast(args[index])
+                    if kwargs.has_key(key): kwargs[key] = cast(kwargs[key])
+                return old_constructor(*args, **kwargs)
+            return constructor_interceptor
+        setattr(uhd_swig, attr, constructor_factory(getattr(uhd_swig, attr)))
+
+    #Aliases for deprecated constructors
+    setattr(uhd_swig, 'single_usrp_source', uhd_swig.usrp_source)
+    setattr(uhd_swig, 'single_usrp_sink', uhd_swig.usrp_sink)
+    setattr(uhd_swig, 'multi_usrp_source', uhd_swig.usrp_source)
+    setattr(uhd_swig, 'multi_usrp_sink', uhd_swig.usrp_sink)
+
+########################################################################
+# Initialize this module with the contents of uhd swig
+########################################################################
+_prepare_uhd_swig()
+from uhd_swig import *