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Kovid Goyal
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@ -6,9 +6,14 @@ __docformat__ = 'restructuredtext en'
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'''
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Keep track of donations to calibre.
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'''
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import sys, cStringIO, textwrap, traceback, re
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import sys, cStringIO, textwrap, traceback, re, os, time
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from datetime import date, timedelta
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from math import sqrt
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import matplotlib
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matplotlib.use('Agg')
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import matplotlib.pyplot as plt
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import matplotlib.dates as mdates
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import cherrypy
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from lxml import etree
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@ -150,7 +155,7 @@ class Stats:
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ctable = '<p>Top %d countries</p>'%num_of_countries + ctable
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return textwrap.dedent('''
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<div class="stats">
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<p style="font-weight: bold">Donations in %(period)d days [%(min)s - %(max)s]:</p>
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<p style="font-weight: bold">Donations in %(period)d days [%(min)s — %(max)s]:</p>
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<table style="border-left: 4em">
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<tr><td>Total</td><td class="money">$%(total).2f (%(num)d)</td></tr>
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<tr><td>Daily average</td><td class="money">$%(da).2f ± %(dd).2f</td></tr>
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@ -177,14 +182,48 @@ def expose(func):
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class Server(object):
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TRENDS = '/tmp/donations_trend.png'
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def __init__(self, apache=False, root='/', data_file='/tmp/donations.xml'):
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self.apache = apache
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self.document_root = root
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self.tree = etree.parse(data_file)
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self.root = self.tree.getroot()
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self.data_file = data_file
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self.read_records()
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def calculate_trend(self):
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def months(start, end):
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pos = range_for_month(start.year, start.month)[0]
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while pos <= end:
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yield (pos.year, pos.month)
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if pos.month == 12:
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pos = pos.replace(year = pos.year+1)
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pos = pos.replace(month = 1)
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else:
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pos = pos.replace(month = pos.month + 1)
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_months = list(months(self.earliest, self.latest))[:-1][:12]
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_months = [range_for_month(*m) for m in _months]
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_months = [self.get_slice(*m) for m in _months]
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x = [m.min for m in _months]
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y = [m.total for m in _months]
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ml = mdates.MonthLocator() # every month
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fig = plt.figure(None, (8, 3), 96)#, facecolor, edgecolor, frameon, FigureClass)
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ax = fig.add_subplot(111)
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ax.bar(x, y, align='center', width=20, color='g')
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ax.xaxis.set_major_locator(ml)
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ax.xaxis.set_major_formatter(mdates.DateFormatter('%b %y'))
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ax.set_xlim(_months[0].min-timedelta(days=15), _months[-1].min+timedelta(days=15))
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ax.set_xlabel('Month')
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ax.set_ylabel('Income ($)')
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fig.autofmt_xdate()
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fig.savefig(self.TRENDS)
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#plt.show()
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def read_records(self):
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self.tree = etree.parse(self.data_file)
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self.last_read_time = time.time()
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self.root = self.tree.getroot()
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self.records = []
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min_date, max_date = date.today(), date.fromordinal(1)
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for x in self.root.xpath('//donation'):
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@ -194,6 +233,7 @@ class Server(object):
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min_date = min(min_date, d)
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max_date = max(max_date, d)
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self.earliest, self.latest = min_date, max_date
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self.calculate_trend()
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def get_slice(self, start_date, end_date):
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stats = Stats([r for r in self.records if r.date >= start_date and r.date <= end_date])
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@ -214,6 +254,8 @@ class Server(object):
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return date(*map(int, raw.split('-')))
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def build_page(self, period_type, data):
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if os.stat(self.data_file).st_mtime >= self.last_read_time:
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self.read_records()
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month = date.today().month
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year = date.today().year
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mm = data[1] if period_type == 'month' else month
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@ -335,9 +377,21 @@ class Server(object):
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}
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return true;
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}
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function rationalize_periods() {
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var form = document.forms[0];
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var disabled = !form.period_type[0].checked;
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form.month_month.disabled = disabled;
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form.month_year.disabled = disabled;
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disabled = !form.period_type[1].checked;
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form.year_year.disabled = disabled;
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disabled = !form.period_type[2].checked;
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form.range_left.disabled = disabled;
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form.range_right.disabled = disabled;
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}
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</script>
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</head>
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<body>
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<body onload="rationalize_periods()">
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<table id="banner" style="width: 100%%">
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<tr>
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<td style="text-align:left; width:150px"><a style="border:0pt" href="http://calibre.kovidgoyal.net"><img style="vertical-align: middle;border:0pt" alt="calibre" src="http://calibre.kovidgoyal.net/chrome/site/calibre_banner.png" /></a></td>
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@ -357,13 +411,13 @@ class Server(object):
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<fieldset>
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<legend>Choose a period</legend>
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<form method="post" action="%(root)sshow" onsubmit="return check_period_form(this);">
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<input type="radio" name="period_type" value="month" %(mc)s />
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<input type="radio" name="period_type" value="month" %(mc)s onclick="rationalize_periods()"/>
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Month: %(month_month)s %(month_year)s
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<br /><br />
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<input type="radio" name="period_type" value="year" %(yc)s />
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<input type="radio" name="period_type" value="year" %(yc)s onclick="rationalize_periods()" />
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Year: %(year_year)s
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<br /><br />
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<input type="radio" name="period_type" value="range" %(rc)s />
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<input type="radio" name="period_type" value="range" %(rc)s onclick="rationalize_periods()" />
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Range (YYYY-MM-DD): <input size="10" maxlength="10" type="text" name="range_left" value="%(rl)s" /> to <input size="10" maxlength="10" type="text" name="range_right" value="%(rr)s"/>
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<br /><br />
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<input type="submit" value="Update" />
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@ -374,6 +428,10 @@ class Server(object):
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</tr>
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</table>
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<hr />
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<div style="text-align:center">
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<h3>Income trends for the last year</h3>
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<img src="/trend.png" alt="Income trends" />
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</div>
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</body>
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</html>
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''')%dict(
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@ -392,6 +450,11 @@ class Server(object):
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cherrypy.response.headers['Content-Type'] = 'application/xhtml+xml'
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return self.build_page('month', (year, month))
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@expose
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def trend_png(self):
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cherrypy.response.headers['Content-Type'] = 'image/png'
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return open(self.TRENDS, 'rb').read()
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@expose
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def show(self, period_type='month', month_month='', month_year='',
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year_year='', range_left='', range_right=''):
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