# HG changeset patch
# User Jeff Hammel <k0scist@gmail.com>
# Date 1426464218 25200
# Node ID 7fac47bb648e9b07f8fd7faaff21cc44fc664d71
# Parent  8b5fba91dac50839388b37d45bfdb8bae88a0c53
mysteries and more mysteries: bokeh should really be a plugin for this, not the way to do it, but we are porting so lets ignore that and boldly walk forward

diff -r 8b5fba91dac5 -r 7fac47bb648e numerics/bar.py
--- a/numerics/bar.py	Sun Mar 15 16:31:21 2015 -0700
+++ b/numerics/bar.py	Sun Mar 15 17:03:38 2015 -0700
@@ -10,15 +10,16 @@
 
 # imports
 import argparse
-#import pandas as pd
 import sys
+from .data import transpose
 from .manipulate import ManipulationParser
-#from .read import CSVParser
 from bokeh.charts import Bar
 from bokeh.plotting import *
+from collections import OrderedDict
 
 __all__ = ['bar_chart', 'BarChartParser', 'main']
 
+
 def bar_chart(data, output):
     """create a bar chart"""
 
@@ -49,8 +50,15 @@
     # process data
     data = parser.typed_data()
 
+    # ensure a mapping is given
+    if len(data) == 1:
+        data.insert(0, range(len(data[-1])))
+    if len(data) != 2:
+        parser.error("A mapping is required")
+    mapping = OrderedDict(transpose(data))
+
     # generate bar chart
-    bar_chart(data, options.output)
+    bar_chart(mapping, options.output)
 
 # BBB keeping this around for reference;
 # we should probably move to a better parsing system at some point