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Better error handling for tools that use columnlist tool parameter.

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This commit is contained in:
Greg Von Kuster
2007-09-19 14:49:02 +00:00
parent f27c590190
commit 23fd74c2c5
6 changed files with 189 additions and 178 deletions
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tools/plotting/scatterplot.py
+7 -6
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@@ -4,17 +4,18 @@
import sys
from rpy import *
def fail( message ):
print >> sys.stderr, message
def stop_err(msg):
sys.stderr.write(msg)
sys.exit()
def main():
in_fname = sys.argv[1]
out_fname = sys.argv[2]
columns = int( sys.argv[3] ) - 1, int( sys.argv[4] ) - 1
try:
columns = int( sys.argv[3] ) - 1, int( sys.argv[4] ) - 1
except:
stop_err( "..Columns not specified, your query does not contain a column of numerical data." )
title = sys.argv[5]
xlab = sys.argv[6]
ylab = sys.argv[7]
@@ -36,7 +37,7 @@ def main():
break
fields = line.split( "\t" )
if len( fields ) <= column:
return fail( "Column %d on line %d missing, line: %s" % ( column+1, i, line ) )
stop_err( "Column %d on line %d missing, line: %s" % ( column+1, i, line ) )
val = fields[column]
if val.lower() == "na":
row.append( float( "nan" ) )