def GetBarChartView(c, state, ccount):
c.execute(
'''select count(*) as count,
(case WHEN annualpension<5000 THEN 'a 0<5k'
WHEN annualpension<10000 THEN 'b 5k-10k'
WHEN annualpension<20000 THEN 'c 10k-20k'
WHEN annualpension<30000 THEN 'd 20k-30k'
WHEN annualpension<40000 THEN 'e 30k-40k'
WHEN annualpension<50000 THEN 'f 40k-50k'
WHEN annualpension<60000 THEN 'g 50k-60k'
ELSE 'h +60k' END) as pensionband,
avg(annualpension), avg(finalsalary)
from njpension
where state=?
group by pensionband
order by pensionband
''', (state, ))
rows = list(c)
yrange = max(60, int(ccount * 0.5))
chart = pygooglechart.StackedVerticalBarChart(150,
50,
y_range=(0, yrange),
colours=["556600"])
chart.set_bar_width(13)
axisbottom = [r[1][-3:-1] for r in rows]
axisbottom[-1] = ">60"
chart.set_axis_labels(pygooglechart.Axis.BOTTOM, axisbottom)
chart.add_data([r[0] for r in rows])
return chart.get_url()
def get_incorrect_tries_chart(problem):
solvers = Solver.objects.filter(problem=problem, solved=True)
FAIL_DISPLAY_LIMIT = 50
dist = {}
for entry in solvers.values('incorrect_tries').annotate(
Count('incorrect_tries')):
incorrect_tries = min(FAIL_DISPLAY_LIMIT, entry['incorrect_tries'])
dist[incorrect_tries] = entry['incorrect_tries__count']
max_fails = max(dist.keys()) if dist else 0
steps = max(1, max_fails / 10)
chart = pgc.StackedVerticalBarChart(400, 120)
chart.add_data([dist.get(i, 0) for i in xrange(max_fails + 1)])
chart.set_colours(['C02942'])
def get_label(fails):
if fails == FAIL_DISPLAY_LIMIT:
return str(FAIL_DISPLAY_LIMIT) + '+'
if fails % steps == 0:
return str(fails)
return ''
chart.set_axis_labels(pgc.Axis.BOTTOM,
map(get_label, range(max_fails + 1)))
chart.fill_solid("bg", "65432100")
return chart.get_url() + '&chbh=r,3'
def get_incorrect_tries_chart(problem):
solvers = Solver.objects.filter(problem=problem, solved=True)
dist = {}
for entry in solvers.values('incorrect_tries').annotate(Count('incorrect_tries')):
dist[entry['incorrect_tries']] = entry['incorrect_tries__count']
max_fails = max(dist.keys()) if dist else 0
steps = max(1, max_fails / 20)
chart = pgc.StackedVerticalBarChart(400, 120)
chart.add_data([dist.get(i, 0) for i in xrange(max_fails + 2) ])
chart.set_colours(['C02942'])
chart.set_axis_labels(pgc.Axis.BOTTOM,
[str(i) if i % steps == 0 else ''
for i in xrange(max_fails + 1)])
chart.fill_solid("bg", "65432100")
return chart.get_url() + '&chbh=r,3'
def get_category_chart(user):
solved_problems = set()
for s in Solver.objects.filter(user=user, solved=True):
solved_problems.add(s.problem)
problem_count = defaultdict(int)
solved_count = defaultdict(int)
# 문제/태그 쌍을 모두 순회하자.
problem_id = ContentType.objects.get_for_model(Problem).id
for item in TaggedItem.objects.filter(content_type=problem_id).all():
problem, tag = item.object, item.tag
if problem.state != Problem.PUBLISHED: continue
problem_count[tag] += 1
if problem in solved_problems:
solved_count[tag] += 1
# 문제 수가 많은 순서대로 태그들을 정렬한다
tags_ordered = sorted([(-value, key)
for key, value in problem_count.items()])
# 문제 수가 가장 많은 n개의 태그를 고른다
tags_display = [t for _, t in tags_ordered[:8]]
# 나머지를 "나머지" 카테고리로 묶는다
others_problems = others_solved = 0
for tag in problem_count.keys():
if tag not in tags_display:
others_problems += problem_count[tag]
others_solved += solved_count[tag]
progress = [
solved_count[tag] * 100 / problem_count[tag] for tag in tags_display
]
labels = [tag.name.encode('utf-8') for tag in tags_display]
if others_problems > 0:
progress.append(others_solved * 100 / others_problems)
labels.append(u'기타'.encode('utf-8'))
# 구글 차트
chart = pgc.StackedVerticalBarChart(400, 120, y_range=(0, 100))
chart.add_data(progress)
chart.set_grid(0, 25, 5, 5)
chart.set_colours(['C02942'])
chart.set_axis_labels(pgc.Axis.LEFT, ["", "25", "50", "75", "100"])
chart.set_axis_labels(pgc.Axis.BOTTOM, labels)
chart.fill_solid("bg", "65432100")
return chart.get_url() + "&chbh=r,3"
def google_chart(klass, data):
"""
Creates a google chart called 'chart.png'
"""
colors = []
names = []
lines = []
for calendar in sorted(data['calendars']):
colors.append(calendar.color)
names.append(calendar.name)
line = []
for tp, events in calendar.ordered_time_periods():
sum = 0
for event in events:
sum += event.duration
line.append(sum / 3600)
lines.append(line)
#names.reverse()
#colors.reverse()
max_y = 0
y_labels = []
for (start, tp) in TimePeriod.get_ordered_periods():
y_labels.append(
start.strftime("%a %d")) #"%s/%s" % (start.month, start.day))
tp_sum = 0
for event in tp.events:
tp_sum += event.duration
if tp_sum / 3600 > max_y:
max_y = tp_sum / 3600
max_y = ceil(max_y)
chart = pygooglechart.StackedVerticalBarChart(1000,
300,
y_range=[0, max_y],
legend=names,
colours=colors)
#colours=['000000']*len(data['calendars']),
#colours_within_series=colors)
for line in lines:
chart.add_data(line)
# Last value is the lowest in the Y axis.
#chart.add_data([0] * 2)
def factor(n):
"""
from: http://blog.dhananjaynene.com/2009/01/2009-is-not-a-prime-number-a-python-program-to-compute-factors/
Get the factors for a number
Not optimised for tail recursion
"""
if n == 1: return [1]
i = 2
limit = n**0.5
while i <= limit:
if n % i == 0:
ret = factor(n / i)
ret.append(i)
return ret
i += 1
return [n]
# Some axis data
t = ['']
factors = factor(max_y)
if factors:
tt = factors[0]
else:
tt = max_y
print tt
for i in range(int(tt)):
t.append(max_y / tt * (i + 1))
chart.set_axis_labels(pygooglechart.Axis.LEFT, t)
chart.set_axis_labels(pygooglechart.Axis.BOTTOM, y_labels)
chart.set_bar_width(50)
chart.download('chart.png')