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authorJosh Blum2011-09-26 12:04:27 -0700
committerJosh Blum2011-09-26 12:04:27 -0700
commit1ff42298b8c5216587ecddcd3a3571def2e5fa21 (patch)
treef06d584ae6196e39829c17b5a9f6d728a03adfd1 /gnuradio-examples/python/pfb/resampler.py
parent4aa4411f2a3f184760ff5f534eec015f557f80c9 (diff)
parent18201a678610a608a4c952122ce6dc9430e8e2d1 (diff)
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Merge branch 'next' of http://gnuradio.org/git/gnuradio into next
Diffstat (limited to 'gnuradio-examples/python/pfb/resampler.py')
-rwxr-xr-xgnuradio-examples/python/pfb/resampler.py34
1 files changed, 33 insertions, 1 deletions
diff --git a/gnuradio-examples/python/pfb/resampler.py b/gnuradio-examples/python/pfb/resampler.py
index 6be7cf14e..7b296ca71 100755
--- a/gnuradio-examples/python/pfb/resampler.py
+++ b/gnuradio-examples/python/pfb/resampler.py
@@ -1,7 +1,39 @@
#!/usr/bin/env python
+#
+# Copyright 2009 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.
+#
from gnuradio import gr, blks2
-import scipy, pylab
+import sys
+
+try:
+ import scipy
+except ImportError:
+ print "Error: Program requires scipy (see: www.scipy.org)."
+ sys.exit(1)
+
+try:
+ import pylab
+except ImportError:
+ print "Error: Program requires matplotlib (see: matplotlib.sourceforge.net)."
+ sys.exit(1)
class mytb(gr.top_block):
def __init__(self, fs_in, fs_out, fc, N=10000):