From be584380504e24f7841b4792290b9cb3bb52aed4 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@molly.home>
Date: Tue, 25 Aug 2009 10:01:00 -0400
Subject: User messages if PyQt and PyQwt are not installed (or found).
---
gr-utils/src/python/gr_filter_design.py | 28 +++++++++++++++++++++-------
1 file changed, 21 insertions(+), 7 deletions(-)
(limited to 'gr-utils/src/python')
diff --git a/gr-utils/src/python/gr_filter_design.py b/gr-utils/src/python/gr_filter_design.py
index 4fbe6e34c8..1253056b5b 100755
--- a/gr-utils/src/python/gr_filter_design.py
+++ b/gr-utils/src/python/gr_filter_design.py
@@ -1,5 +1,9 @@
#!/usr/bin/env python
+import sys, os
+from optparse import OptionParser
+from gnuradio import gr, blks2, eng_notation
+
try:
import scipy
from scipy import fftpack
@@ -7,14 +11,24 @@ except ImportError:
print "Please install SciPy to run this script (http://www.scipy.org/)"
raise SystemExit, 1
-import sys, os
-from PyQt4 import Qt, QtCore, QtGui
-import PyQt4.Qwt5 as Qwt
-from optparse import OptionParser
-from gnuradio import gr, blks2, eng_notation
-from scipy import fftpack
+try:
+ from PyQt4 import Qt, QtCore, QtGui
+except ImportError:
+ print "Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)"
+ raise SystemExit, 1
+
+try:
+ import PyQt4.Qwt5 as Qwt
+except ImportError:
+ print "Please install PyQwt5 to run this script (http://pyqwt.sourceforge.net/)"
+ raise SystemExit, 1
+
+try:
+ from pyqt_filter import Ui_MainWindow
+except ImportError:
+ print "Could not import from pyqt_filter. Please build with \"pyuic4 pyqt_filter.ui -o pyqt_filter.py\""
+ raise SystemExit, 1
-from pyqt_filter import Ui_MainWindow
class gr_plot_filter(QtGui.QMainWindow):
def __init__(self, qapp, options):
--
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