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authorTom Rondeau <trondeau@vt.edu>2011-09-23 17:03:32 -0400
committerTom Rondeau <trondeau@vt.edu>2011-09-23 17:08:37 -0400
commit801465fe8dbac9905ac74aeb5c3dc308d3328d98 (patch)
tree101ac17fc2ccfa6e5a3617d023de7c1ca1a5b423 /gnuradio-examples/python/pfb/synth_to_chan.py
parentb6f2b4138be9dc9d250dda819f901872c13876be (diff)
examples: fixed examples (pfb and tags) to print an error when python modules are not available.
Diffstat (limited to 'gnuradio-examples/python/pfb/synth_to_chan.py')
-rwxr-xr-xgnuradio-examples/python/pfb/synth_to_chan.py14
1 files changed, 13 insertions, 1 deletions
diff --git a/gnuradio-examples/python/pfb/synth_to_chan.py b/gnuradio-examples/python/pfb/synth_to_chan.py
index 1beda1a549..7e454d9035 100755
--- a/gnuradio-examples/python/pfb/synth_to_chan.py
+++ b/gnuradio-examples/python/pfb/synth_to_chan.py
@@ -21,7 +21,19 @@
#
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)
def main():
N = 1000000