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Add support for CSV formatted data

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Presume CSV semantics for input.
This commit is contained in:
Jarrod Johnson 2019-05-10 11:08:12 -04:00
parent e32d3cf4cc
commit c042583a64
1 changed files with 29 additions and 8 deletions
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37
confluent_client/bin/stats
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@ -16,6 +16,7 @@
# limitations under the License.
import argparse
import csv
import fcntl
import io
import numpy as np
@ -73,7 +74,9 @@ def textplot(plotdata, bins):
histogram = False
aparser = argparse.ArgumentParser(description='Quick access to common statistics')
aparser.add_argument('-c', type=int, default=0, help='Column number to analyze (default is last column)')
aparser.add_argument('-s', default=False, action='store_true', help='Output histogram in sixel format')
aparser.add_argument('-d', default=None, help='Value used to separate columns')
aparser.add_argument('-x', default=False, action='store_true', help='Output histogram in sixel format')
aparser.add_argument('-s', default=0, help='Number of header lines to skip before processing')
aparser.add_argument('-g', default=False, action='store_true', help='Open histogram in separate graphical window')
aparser.add_argument('-o', default=None, help='Output histogram to the specified filename in PNG format')
aparser.add_argument('-t', default=False, action='store_true', help='Output a histogram in text format')
@ -81,18 +84,35 @@ aparser.add_argument('-v', default=False, action='store_true', help='Attempt to
aparser.add_argument('-b', type=int, default=10, help='Number of bins to use in histogram (default is 10)')
args = aparser.parse_args(sys.argv[1:])
plotdata = []
data = sys.stdin.readline()
headlines = int(args.s)
while headlines >= 0:
data = sys.stdin.readline()
headlines -= 1
if args.d:
delimiter = args.d
else:
if '\t' in data:
delimiter = '\t'
elif ' ' in data:
delimiter = ' '
elif ',' in data:
delimiter = ','
else:
delimiter = ' ' # handle single column
data = list(csv.reader([data], delimiter=delimiter))[0]
nodebydatum = {}
idx = args.c - 1
autoidx = False
while data:
node = None
if ':' in data:
node, data = data.split(':', 1)
if idx == -1:
if ':' in data[0]:
node, data[0] = data[0].split(':', 1)
else:
node = data[0]
if idx == -1 and not autoidx:
while not autoidx:
try:
datum = float(data.split()[idx])
datum = float(data[idx])
except ValueError:
idx -= 1
continue
@ -101,7 +121,7 @@ while data:
sys.exit(1)
autoidx = True
else:
datum = float(data.split()[idx])
datum = float(data[idx])
if node:
if datum in nodebydatum:
nodebydatum[datum].add(node)
@ -109,8 +129,9 @@ while data:
nodebydatum[datum] = set([node])
plotdata.append(datum)
data = sys.stdin.readline()
data = list(csv.reader([data], delimiter=delimiter))[0]
n = None
if args.g or args.o or args.s:
if args.g or args.o or args.x:
n, bins = plot(args.g, args.o, plotdata, bins=args.b)
if args.t:
n, bins = textplot(plotdata, bins=args.b)