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#!/usr/bin/env python
#
# graph-svn-dav.py by Brian W. Fitzpatrick <fitz@red-bean.com>
#
# This was originally a quick hack to make a pretty picture of svn DAV servers.
#
# I've dropped it in Subversion's repository at the request of Karl Fogel.
#
# Be warned this this script has many dependencies that don't ship with Python.
import sys
import os
import fileinput
import datetime
import time
from datetime import datetime
from matplotlib.dates import date2num
import matplotlib
matplotlib.use('Agg')
from matplotlib.pylab import *
import Image
OUTPUT_FILE = '../../www/images/svn-dav-securityspace-survey.png'
OUTPUT_IMAGE_WIDTH = 800
STATS = """1/1/2003 70
2/1/2003 158
3/1/2003 222
4/1/2003 250
5/1/2003 308
6/1/2003 369
7/1/2003 448
8/1/2003 522
9/1/2003 665
10/1/2003 782
11/1/2003 969
12/1/2003 1009
1/1/2004 1162
2/1/2004 1307
3/1/2004 1424
4/1/2004 1792
5/1/2004 2113
6/1/2004 2502
7/1/2004 2941
8/1/2004 3863
9/1/2004 4174
10/1/2004 4187
11/1/2004 4783
12/1/2004 4995
1/1/2005 5565
2/1/2005 6505
3/1/2005 7897
4/1/2005 8751
5/1/2005 9793
6/1/2005 11534
7/1/2005 12808
8/1/2005 13545
9/1/2005 15233
10/1/2005 17588
11/1/2005 18893
12/1/2005 20278
1/1/2006 21084
2/1/2006 23861
3/1/2006 26540
4/1/2006 29396
5/1/2006 33001
6/1/2006 35082
7/1/2006 38939
8/1/2006 40672
9/1/2006 46525
10/1/2006 54247
11/1/2006 63145
12/1/2006 68988
1/1/2007 77027
2/1/2007 84813
3/1/2007 95679
4/1/2007 103852
5/1/2007 117267
6/1/2007 133665
7/1/2007 137575
8/1/2007 155426
9/1/2007 159055
10/1/2007 169939
11/1/2007 180831
12/1/2007 187093
1/1/2008 199432"""
def get_date(raw_date):
date = time.strptime(raw_date, "%m/%d/%Y")
date = datetime(date[0], date[1], date[2], date[3])
return date
def get_ordinal_date(date):
# This is the only way I can get matplotlib to do the dates right.
return date2num(date)
def parse_stats(str):
dates = []
counts = []
lines = str.split('\n')
for line in lines:
key, val = line.split(' ', 1)
dates.append(int(get_ordinal_date(get_date(key))))
counts.append(int(val.lstrip()))
return dates, counts
def draw_graph(dates, counts):
###########################################################
# Drawing takes place here.
figure(1)
ax = subplot(111)
plot_date(dates, counts, color='r', linestyle='-', marker='o', markersize=3)
ax.xaxis.set_major_formatter( DateFormatter('%Y') )
ax.xaxis.set_major_locator( YearLocator() )
ax.xaxis.set_minor_locator( MonthLocator() )
ax.set_xlim( (dates[0] - 92, dates[len(dates) - 1] + 92) )
ax.yaxis.set_major_formatter( FormatStrFormatter('%d') )
ylabel('Total # of Public DAV Servers')
lastdate = datetime.fromordinal(dates[len(dates) - 1]).strftime("%B %Y")
xlabel("Data as of " + lastdate)
title('Security Space Survey of\nPublic Subversion DAV Servers')
# End drawing
###########################################################
png = open(OUTPUT_FILE, 'w')
savefig(png)
png.close()
os.rename(OUTPUT_FILE, OUTPUT_FILE + ".tmp.png")
try:
im = Image.open(OUTPUT_FILE + ".tmp.png", 'r')
(width, height) = im.size
print "Original size: %d x %d pixels" % (width, height)
scale = float(OUTPUT_IMAGE_WIDTH) / float(width)
width = OUTPUT_IMAGE_WIDTH
height = int(float(height) * scale)
print "Final size: %d x %d pixels" % (width, height)
im = im.resize((width, height), Image.ANTIALIAS)
im.save(OUTPUT_FILE, im.format)
os.unlink(OUTPUT_FILE + ".tmp.png")
except Exception, e:
sys.stderr.write("Error attempting to resize the graphic: %s\n" % (str(e)))
os.rename(OUTPUT_FILE + ".tmp.png", OUTPUT_FILE)
raise
close()
if __name__ == '__main__':
dates, counts = parse_stats(STATS);
draw_graph(dates, counts)
print "Don't forget to update ../../www/svn-dav-securityspace-survey.html!"
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