def pareto_distribution():
"Pareto distribution barchart of Defects Types"
from draws import draw_barchart
# get defects per type by remove_phase
q = db.psp_project.completed!=None # only account finished ones!
q &= db.psp_project.project_id==db.psp_defect.project_id
q &= db.psp_defect.remove_phase != '' # ignore won't fix defects
rows = db(q).select(
db.psp_defect.id.count().with_alias("quantity"),
db.psp_defect.type.with_alias("defect_type"),
db.psp_defect.remove_phase.with_alias("remove_phase"),
groupby=(db.psp_defect.type, db.psp_defect.remove_phase))
# dict: (defect_type: [missed, found]
defect_count_per_type = dict([(t, [0, 0]) for t in PSP_DEFECT_TYPES])
defect_count = 0
for row in rows:
# detect if the defect was found in review (before compile)
if PSP_PHASES.index("compile") <= PSP_PHASES.index(row.remove_phase):
defect_count_per_type[int(row.defect_type)][0] += int(row.quantity)
else:
defect_count_per_type[int(row.defect_type)][1] += int(row.quantity)
defect_count += int(row.quantity)
bars = []
for defect_type, (missed, found) in defect_count_per_type.items():
bars.append((defect_type, missed / float(defect_count) * 100., found / float(defect_count) * 100.))
# sort types by percentage of defect descendent order:
bars.sort(key=lambda x: x[1]+x[2], reverse=True)
x_tick_labels = [bar[0] for bar in bars]
x_heights_missed = [bar[1] for bar in bars]
x_heights_found = [bar[2] for bar in bars]
title = "Defects missed in Code Review"
y_label = "Percentage of Defects"
x_label = "Defect Type Category"
values = [("Missed", 0.35, 'r', x_heights_missed),
("Found", 0.35, 'y', x_heights_found),]
text = '\n'.join(["%s: %s" % (k, v) for k,v in sorted(PSP_DEFECT_TYPES.items())])
if request.extension == "html":
return {"values": values, "title": title, "y_label": y_label, "x_tick_labels": x_tick_labels}
else:
return draw_barchart(values, title, y_label, x_label, x_tick_labels,
text=text,
autolabel=False,
body=request.body)
def average_fix_time():
"Average fix time barchart of Defects Types per Phase"
from draws import draw_barchart, get_colours
# get defects per type by remove_phase
q = db.psp_project.completed!=None # only account finished ones!
q &= db.psp_project.project_id==db.psp_defect.project_id
q &= db.psp_defect.remove_phase != '' # ignore won't fix defects
rows = db(q).select(
db.psp_defect.id.count().with_alias("quantity"),
db.psp_defect.type.with_alias("defect_type"),
db.psp_defect.fix_time.sum().with_alias("subtotal_fix_time"),
db.psp_defect.remove_phase.with_alias("remove_phase"),
groupby=(db.psp_defect.type, db.psp_defect.remove_phase))
# dict: (defect_type: [missed, found]
fixtime_per_phase_per_type = dict([(t, dict([(p, 0) for p in PSP_PHASES])) for t in PSP_DEFECT_TYPES])
defect_count_per_type = dict([(t, 0) for t in PSP_DEFECT_TYPES])
for row in rows:
# detect if the defect was found in review (before compile)
fixtime_per_phase_per_type[int(row.defect_type)][row.remove_phase] += int(row.subtotal_fix_time)
defect_count_per_type[int(row.defect_type)] += int(row.quantity)
bars = []
colours = get_colours(len(PSP_DEFECT_TYPES))
values = []
for defect_type, colour in zip(sorted(PSP_DEFECT_TYPES), colours):
heights = []
for phase in PSP_PHASES:
if defect_count_per_type[defect_type]:
avg = fixtime_per_phase_per_type[defect_type][phase]/float(defect_count_per_type[defect_type])/60.
else:
avg = 0
heights.append(avg)
values.append((PSP_DEFECT_TYPES[defect_type], 0.09, colour, heights))
x_tick_labels = [p for p in PSP_PHASES]
title = "Average Fix Time"
y_label = "Average Fix Time (minutes)"
x_label = "Phase"
if request.extension == "html":
return {"values": values, "title": title, "y_label": y_label, "x_tick_labels": x_tick_labels}
else:
return draw_barchart(values, title, y_label, x_label, x_tick_labels,
stacked=False,
autolabel=False,
body=request.body)
