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graph_timeline.aspeggs
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graph_timeline.aspeggs
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#!/usr/bin/env python
# -*- encoding: utf-8 -*-
from eggslib.eggsml import eggsml
import random
import time
import math
from datetime import date, datetime, timedelta
from eggslib.server import server
class graph:
e = None
svg = ''
height = 0 #set by __init__
width = 0 #set by __init__
gwidth = None
gheight = 560
padding = [65, 50, 20, 50]
weekwidth = 70
daywidth = 12
userweeks = {}
weeks = []
days = []
prices = {}
user_scores = {}
week_scores = {}
dayscores = {}
colours = None
yleftaxisinc = 10
yrightaxisinc = 20
highscore = 0
startdate = None
enddate = None
users = None
maxprice = 25
timeset = False
singleday = False
namelabellocations = []
def l(self, i, c):
if i==0:
return 0
if i==1:
return 0
return math.log(float(i))*c
def compare_positions(self, pos1, pos2):
# compare if x2 is less than the other's x1
# if so, then they cannot overlap
if pos1[2] < pos2[0] or pos2[2] < pos1[0]:
return False
# compare if y2 is less than the other's y1
# if so, then they cannot overlap
if pos1[3] < pos2[1] or pos2[3] < pos1[1]:
return False
# if neither of these are the cases,
# then they should be overlapping
return True
def taken_name_label_position(self, position):
for nl in self.namelabellocations:
if self.compare_positions(nl, position):
return True
return False
def create_position(self, right, x, y, width, height, textheight):
x1 = (x + 25 if right else x - width)
x2 = (x + width if right else x - 25)
y1 = y - height - textheight
y2 = y - height
return (x1, y1, x2, y2)
def get_name_label_position(self, x, y, width):
textheight = 12
right = False
if x-width-self.padding[3]<0:
right = True
if self.namelabellocations == []:
height = 40
position = self.create_position(right, x, y, width, height, textheight)
else:
testheight = 10
position = self.create_position(right, x, y, width, testheight, textheight)
while self.taken_name_label_position(position):
testheight += 10
position = self.create_position(right, x, y, width, testheight, textheight)
x1 = position[0]
x2 = position[2]
y1 = position[1]
y2 = position[3]
self.namelabellocations.append((x1, y1, x2, y2))
if right:
return (x2, x1, x1, y2)
else:
return (x1, x2, x1, y2)
def userbar(self, user):
ww = self.weekwidth
cw = self.daywidth
timeline = self.e.get_user_timeline(user)
if timeline==None:
return None
line = ''
weeks = []
x = self.padding[3]
h = self.height-self.padding[2]
lineinc = self.yrightaxisinc
curweek = 0
curweekstart = ''
predate = '1970-01-01'
y = h
total = 0.0
svg_name = None
scores = {}
curscore = 0.0
for d in timeline:
if d['amount'] > 0:
try:
self.dayscores[d['date']] += 1
except:
self.dayscores.update({d['date'] : 1})
curscore += d['amount']
if curscore > 0.0:
y = h - self.l(curscore+1, lineinc)
total += d['amount']
if d['date'] < self.startdate:
continue
if d['date'].year==1970:
# special case
line += '%s,%s ' % (x, y)
weeks.append({'first' : d['amount']})
else:
# regular case
line += '%s,%s ' % (x, y)
if curweekstart=='':
curweekstart = self.week_start(d['date'])
if self.is_new_week(d['date'], curweekstart):
weeks.append({curweekstart : curweek})
curweek = d['amount']
curweekstart = self.week_start(d['date'])
else:
curweek += d['amount']
if d['amount']>0.0 and svg_name==None:
nwidth = len(user)*12+15
(nx1, nx2, ntx, ny) = self.get_name_label_position(x, y, nwidth)
svg_name = '<rect x="%s" y="%s" width="%s" height="%s" style="fill: %s; opacity: 0.0;" />\n<text x="%s" y="%s" style="fill: %s;">%s</text>\n<polyline points="%s,%s %s,%s %s,%s" style="stroke: %s; stroke-dasharray: 3, 3;" />\n' % (ntx, ny-15, nwidth-25, 15, '#444', ntx, ny, self.get_colour(user), user, nx1, ny, nx2, ny, x, y, self.get_colour(user))
scores.update({d['date'].isoformat() : curscore})
if d['date'] not in self.days:
self.days.append(d['date'])
x += cw
if d['date']!=self.e.get_last_date():
scores.update({self.e.get_last_date().isoformat() : curscore})
if svg_name==None:
svg_name = ''
self.user_scores.update({self.id_fix(user) : scores})
weeks.append({curweekstart : curweek})
self.userweeks.update({user : weeks})
svg_line = '<polyline points="%s" style="stroke:%s" id="line:%s" />\n<!--<text x="0" y="0" id="user-%s-score-label" class="line-label"> </text>-->\n' % (line, self.get_colour(user), self.id_fix(user), self.id_fix(user))
svg_text = '<text x="%s" y="%s" style="fill:%s">%s</text>\n' % (x-cw+2, y+4, self.get_colour(user), self.decimal(total)) + '<!-- %s || %s -->' % (timeline, self.e.get_first_date())
if date(1970, 1, 1) not in self.days:
self.days.append(date(1970, 1, 1))
return (svg_line, svg_text, svg_name)
def test(self, timeline):
tmp = []
for t in timeline:
tmp.append(t['date'])
return tmp
def id_fix(self, string):
if string==None:
return ''
return string.replace('æ', 'ae').replace('ø', 'oe').replace('å', 'aa')
def is_new_week(self, curdate, weekdate):
t0 = curdate.timetuple()
t1 = weekdate.timetuple()
w0 = time.strftime("%W", t0)
w1 = time.strftime("%W", t1)
return w0!=w1
def week_start(self, hdate):
t0 = hdate.timetuple()
while date(t0[0], t0[1], t0[2]).weekday()>0:
t = time.mktime(t0)
t0 = time.localtime(t-60*60*24)
tmp = date(t0[0], t0[1], t0[2])
if tmp not in self.weeks:
self.weeks.append(tmp)
return tmp
def svg_users(self):
if self.users == None:
users = self.e.get_users()
else:
users = self.users
svg_line = '<g id="user-lines">\n'
svg_text = '<g id="scores-labels">\n'
svg_name = '<g id="names-labels">\n'
for u in users:
t = self.userbar(u)
if t==None:
continue
svg_line += '%s\n' % t[0]
svg_text += '%s\n' % t[1]
svg_name += '%s\n' % t[2]
svg_line += '</g>\n'
svg_text += '</g>\n'
svg_name += '</g>\n'
return (svg_line, svg_text, svg_name)
def svg_weeks(self):
if self.weeks == []:
return
x = self.padding[3]+self.daywidth/2.0
y = self.padding[0]
h = self.gheight
w = self.weekwidth
columninc = self.yrightaxisinc
svg_back = ''
svg_cols = '<g id="week-cols">\n'
svg_lbls = '<g id="week-labels">\n'
colour = '#c3c3c3'
user_col_labels = None
week_scores = {}
for week in self.weeks:
if self.before_date(week, self.e.get_first_date()):
# assume it is first date
offset = self.date_offset(week, self.e.get_first_date())
w = self.daywidth*(7-offset)
else:
if abs(self.date_offset(week, self.e.get_last_date()))<7:
# assume last week
w = self.daywidth*abs(self.date_offset(week, self.e.get_last_date()))+self.daywidth/2.0
else:
w = self.weekwidth
svg_back += '<rect x="%s" y="%s" width="%s" height="%s" style="fill:%s" />\n' % (x, y, w, h, colour)
tx = x+w/2-2*3
ty = y+self.gheight+10
svg_lbls += '<text x="%s" y="%s">%s</text>\n' % (tx, ty, self.week_number(week))
if colour == '#c3c3c3':
colour = '#f3f3f3'
else:
colour = '#c3c3c3'
count = 0
thisusers = []
for user in self.userweeks:
for thisweek in self.userweeks[user]:
try:
t = thisweek[week]
count += 1
thisusers.append([user, t])
except:
continue
if count>0:
week_scores.update({week.isoformat() : {}})
columnwidth = w/count
cx = x
ctop = self.padding[0] + self.gheight
svg_cols += '<g id="week-cols:%s">\n' % week
addlabels = False
if user_col_labels == None:
addlabels = True
user_col_labels = '<g id="week-cols-labels">\n'
for user in thisusers:
ch = columninc*user[1]
cy = ctop - ch
svg_cols += '<rect x="%s" y="%s" width="%s" height="%s" style="fill:%s" id="week:%s:col:%s" onmouseover="show_col_score(this);" onmouseout="hide_col_score(this);" />\n' % (cx, cy, columnwidth, ch, self.get_colour(user[0]), week, self.id_fix(user[0]))
cx += columnwidth
week_scores[week.isoformat()].update({self.id_fix(user[0]) : user[1]})
if addlabels:
user_col_labels += '<text x="0" y="0" id="week-col-label-%s"> </text>\n' % (self.id_fix(user[0]))
svg_cols += '</g>\n'
x += w
user_col_labels += '</g>\n'
svg_back += ''
svg_cols += user_col_labels
svg_cols += '</g>\n'
svg_lbls += '</g>\n'
self.week_scores = week_scores
return (svg_back, svg_cols, svg_lbls)
def week_number(self, somedate):
return int(time.strftime("%W", somedate.timetuple()))
def before_date(self, testdate, somedate):
return testdate<somedate
def date_offset(self, firstdate, seconddate):
t0 = time.mktime(firstdate.timetuple())/(60*60*24)
t1 = time.mktime(seconddate.timetuple())/(60*60*24)
return int(t1-t0)
def svg_days(self):
if self.days==[]:
return
svg_back = '<g id="days-back">\n'
svg_lbls = '<g id="days-labels">\n'
svg_price = '<g id="average-price">\n'
svg_bars = '<g id="days-bars">\n'
x = self.padding[3]+self.daywidth/2.0
y = self.padding[0]
w = self.daywidth
h = self.gheight
lx = self.padding[3]+self.daywidth
ly = self.padding[0]
colour = '#ffffff'
price_coords = ''
dayprices = self.e.get_day_prices()
prices = {}
py = h+y
self.days.sort()
#print dayprices
curprice = 0
for d in self.days:
if d.year==1970:
svg_back += '<rect x="%s" y="%s" width="%s" height="%s" id="back:%s" style="fill: %s; opacity: 0.5;" />\n' % (self.padding[3], y, w/2.0, h, d, '#f30000')
svg_lbls += '<text x="%s" y="%s" transform="rotate(315, %s, %s)">%s</text>\n' % (lx-self.daywidth, ly, lx-self.daywidth, ly, "Dawn of time")
continue
if d==self.e.get_last_date():
w = w/2.0
try:
prices.update({d.isoformat(): dayprices[d]})
curprice = dayprices[d]
except:
prices.update({d.isoformat(): curprice})
svg_back += '<rect x="%s" y="%s" width="%s" height="%s" id="back:%s" style="fill: %s;" />\n' % (x, y, w, h, d, colour)
svg_lbls += '<text x="%s" y="%s" transform="rotate(315, %s, %s)">%s</text>\n' % (lx, ly, lx, ly, d.isoformat())
try:
ds = self.dayscores[d]
except:
ds = 0
svg_bars += '<rect x="%s" y="%s" width="%s" height="%s" />\n' % (x, self.padding[0]+self.gheight-self.l(ds, self.yrightaxisinc), w, self.l(ds, self.yrightaxisinc))
cy = py-curprice*self.yleftaxisinc
price_coords += '%s,%s ' % (lx, cy)
if colour=='#e3e3f3':
colour = '#ffffff'
else:
colour = '#e3e3f3'
lx += w
x += w
if d==self.e.get_last_date():
break
svg_price += '<text id="date-price-label" class="line-label" x="0" y="0"> </text>\n'
svg_price += '<polyline points="%s" id="average_price_line" />\n<!-- %s -->\n' % (price_coords, prices)
self.prices = prices
svg_back += '</g>\n'
svg_lbls += '</g>\n'
svg_price += '</g>\n'
svg_bars += '</g>\n'
return (svg_back, svg_lbls, svg_price, svg_bars)
def svg_labels(self):
svg = '<g id="amount-labels">\n'
x1 = self.padding[3]/2.0-5
x2 = self.padding[3]+self.gwidth+8
y = self.padding[0]+self.gheight
j = 0
while j <= self.highscore:
ty = y
if j > 0:
ty = y - self.l(j+1, self.yrightaxisinc)
svg += '<line x1="%s" y1="%s" x2="%s" y2="%s" />\n<text x="%s" y="%s">%s</text>\n' % (self.padding[3], ty, self.padding[3]+self.gwidth, ty, x2, ty+5, int(j))
if j>0:
j += 10**math.floor(math.log10(j))
else:
j += 1
ty = y - self.l(j, self.yrightaxisinc)
svg += '<line x1="%s" y1="%s" x2="%s" y2="%s" />\n<text x="%s" y="%s">%s</text>\n' % (self.padding[3], ty, self.padding[3]+self.gwidth, ty, x2, ty+5, int(j))
for i in range(0, self.maxprice):
y -= self.yleftaxisinc
svg += '<text x="%s" y="%s">%s</text>\n' % (x1, y, i+1)
svg += '</g>\n'
return (svg,)
def decimal(self, i):
return str(float(i)).replace('.', ',')
def average_price(self, somedate):
return self.e.get_average_price(somedate)
def get_colour(self, alias):
if self.colours==None:
self.colours = self.e.get_colours()
try:
colour = self.colours[alias]
return colour
except:
self.colours.update({alias : 'rgb(%s, %s, %s)' % (random.randint(0,200), random.randint(0,200), random.randint(0,200))})
return self.colours[alias]
def make_svg(self):
users = self.svg_users()
weeks = self.svg_weeks()
days = self.svg_days()
lbls = self.svg_labels()
svg = '''<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
width="%s"
height="%s"
onload="init();">
<script type="text/javascript">
<![CDATA[
var prices = %s;
var users = %s;
var weeks = %s;
/*
First is daywidth
Second is priceline inc.
Third is userscoreline inc.
*/
var specifics = [%s, %s, %s];
var svg = [%s, %s];
var padding = %s;
function init() {
var g = document.getElementById("average_price_line");
g.onmouseover = function(e) { show_price(e); };
var g = document.getElementById("user-lines").getElementsByTagName('polyline');
for(var i = 0; i < g.length; i++) {
g[i].onmouseover = function(e) { show_user_score(e, this); };
}
};
function show_price(e) {
var date = find_date(e);
var price = prices[date];
var text = document.getElementById("date-price-label");
text.firstChild.data = currency(price);
var x = datex(date);
var y = svg[1] - padding[2] - specifics[1]*price - 10;
text.setAttribute('x', x);
text.setAttribute('y', y);
var nextdate = find_date(e, true);
var a = angle(price, prices[nextdate], specifics[1], specifics[0]);
text.setAttribute('transform', 'rotate('+a+','+x+','+y+')');
}
function angle(a, b, lineinc, width) {
var diff = (a-b)*lineinc;
var d = (180/Math.PI) * Math.atan(diff/width);
return d;
}
function find_date(e, dateafter) {
var g = document.getElementById("days-back");
var backs = g.getElementsByTagName("rect");
var x = e.pageX;
var y = e.pageY;
for(var i = 0; i < backs.length; i++) {
var tempx = backs[i].getAttribute('x');
if (tempx<x)
continue;
if ((tempx>x)/* && (x<tempx+backs[i].getAttribute('width'))*/) {
if (dateafter)
i++;
var id = backs[i-1].id.split(':');
var date = id[1];
return date;
}
}
var id = backs[i-1].id.split(':');
var date = id[1];
return date;
}
function datex(date) {
var d = document.getElementById("back:"+date);
var x = d.getAttribute('x');
var w = d.getAttribute('w');
return x+(w/2);
}
function show_user_score(e, which) {
var user = which.id.split(':')[1];
var date = find_date(e);
var points = users[user][date];
var x = datex(date);
var y = svg[1] - padding[2] - specifics[2]*points - 10;
var text = document.getElementById("user-"+user+"-score-label");
text.firstChild.data = decimal(points);
text.setAttribute('x', x);
text.setAttribute('y', y);
var nextdate = find_date(e, true);
var a = angle(points, users[user][nextdate], specifics[2], specifics[0]);
text.setAttribute('transform', 'rotate('+a+','+x+','+y+')');
}
function currency(x) {
var v = x + 0.0;
var v = String(v).split('.');
if(!v[1])
b = '00';
else {
if (v[1].length==1)
b = v[1] + '0';
else
b = v[1];
}
return v[0] + ',' + b;
}
function decimal(x) {
var v = x + 0.0;
return String(v).replace('.', ',');
}
function z(x) {
var x = x;
if (x < 10) {
return "0" + x;
} else {
return "" + x;
}
}
function show_col_score(el) {
var p = el.parentNode;
var g = p.getElementsByTagName('rect');
var week = p.id.split(':')[1];
var weekdata = weeks[week];
for(var i = 0; i < g.length; i++ ) {
var user = g[i].id.split(':')[3];
var points = weekdata[user];
if(!points || points=='NaN')
points = '0.0';
var text = document.getElementById('week-col-label-'+user);
var x = parseFloat(g[i].getAttribute('x')) + parseFloat(g[i].getAttribute('width'))/2.0 + 5.0;
var y = g[i].getAttribute('y');
text.setAttribute('x', x);
text.setAttribute('y', y);
text.setAttribute('transform', 'rotate(270,'+x+','+y+')');
text.firstChild.data = user + ': ' + decimal(points);
}
}
function hide_col_score(el) {
}
]]>
</script>
<style text="text/css">
text {
font-family: helvetica, verdana, tahoma, sans;
}
#labels text {
fill: #ffffff;
stroke-width: 1px;
}
#week-labels text {
font-size: 10px;
}
#days-labels text {
font-size: 9px;
}
#days-back rect {
opacity: 0.35;
}
#amount-labels text,
#scores-labels text {
font-size: 12px;
}
#names-labels text {
font-size: 14px;
}
#amount-labels line {
stroke-width: 1.5px;
stroke: #505050;
opacity: 0.5;
}
.line-label {
font-size: 14px;
stroke: none;
}
polyline {
stroke-width: 2px;
fill: none;
stroke-linejoin: round;
stroke-linecap: round;
}
#average-price {
stroke: #000000;
stroke-dasharray: 9, 5;
stroke-width: 1.5px;
}
#days-bars rect {
fill: #00a;
opacity: 0.25;
}
</style>
''' % (self.width, self.height, self.prices, self.user_scores, self.week_scores,
self.daywidth, self.yrightaxisinc, self.yleftaxisinc, self.width,
self.height, self.padding)
svg += weeks[0]
svg += days[0]
#svg += weeks[1] # no columns, please
svg += days[1]
svg += days[3]
svg += weeks[2]
svg += lbls[0]
svg += users[0]
svg += users[1]
svg += users[2]
svg += days[2]
svg += '''
</svg>'''
self.svg = svg
def weeks_earlier(self, somedate, weeks):
t0 = time.localtime(time.mktime(somedate.timetuple()) - weeks*7*24*60*60)
tmp = self.week_start(date(t0[0], t0[1], t0[2]))
return tmp
def handle_input(self):
s = server()
startdate = s.get_get_data('startdate')
#startdate = '2009-04-28'
try:
ts = time.strptime(startdate, '%Y-%m-%d')
if time.time() < time.mktime(ts):
startdate = None
t = startdate.split('-')
startdate = date(int(t[0]), int(t[1]), int(t[2]))
except (AttributeError, ValueError):
startdate = None
self.startdate = startdate
enddate = s.get_get_data('enddate')
#enddate = '2009-05-03'
try:
te = time.strptime(enddate, '%Y-%m-%d')
if startdate!=None and time.mktime(ts) > time.mktime(te):
enddate = None
if time.mktime(te)>time.time():
enddate = None
t = enddate.split('-')
enddate = date(int(t[0]), int(t[1]), int(t[2]))
except (AttributeError, ValueError):
enddate = None
self.enddate = enddate
userstr = s.get_get_data('users')
users = []
for u in userstr.split(','):
t = self.e.get_alias(u)
if t!=None:
users.append(t)
if users==[]:
users = None
self.users = users
widthstr = s.get_get_data('width')
try:
self.gwidth = int(widthstr)
except ValueError:
self.gwidth = None
daywidthstr = s.get_get_data('daywidth')
try:
self.daywidth = int(daywidthstr)
except ValueError:
pass
sincedawnstr = s.get_get_data('sincedawn')
if sincedawnstr!=None and sincedawnstr!='':
self.startdate = self.e.get_first_date()
singleday = s.get_get_data('singleday')
try:
te = time.strptime(singleday, '%Y-%m-%d')
t = singleday.split('-')
singleday = date(int(t[0]), int(t[1]), int(t[2]))
except (AttributeError, ValueError):
singleday = None
if singleday != None and singleday != '':
self.startdate = singleday - timedelta(1)
self.enddate = singleday + timedelta(1)
self.singleday = True
def get_dayamount(self):
if not self.timeset:
self.e.set_enddate(self.enddate)
if self.startdate==None:
d = self.e.get_last_date()
self.startdate = self.weeks_earlier(d, 8)
self.e.set_startdate(self.startdate)
self.timeset = True
return self.e.get_amount_of_days()
def __init__(self):
self.e = eggsml()
self.e.parse('slashdotfrokost')
self.handle_input()
self.nodays = self.get_dayamount()
if self.gwidth == None:
self.gwidth = self.daywidth*self.nodays
self.width = self.padding[1] + self.padding[3] + self.gwidth
self.height = self.padding[0] + self.padding[2] + self.gheight
count = self.e.get_count()
highest = 0
for c in count:
if count[c]>highest:
highest = count[c]
u = c
self.yleftaxisinc = self.gheight/self.maxprice
self.yrightaxisinc = self.gheight/math.log(highest)*0.9
self.highscore = highest
cdates = float(len(self.e.get_user_timeline(u)))-1.0
#print cdates
self.daywidth = self.gwidth/cdates
self.weekwidth = self.daywidth*7.0
self.make_svg()
#return
print "Content-type: image/svg+xml; charset=UTF-8\n"
print self.svg
graph()