def download(self,
log_files,
sort='time',
limit=-1,
nfl_filter='',
output_format='default'):
if len(log_files) == 0:
raise NotFoundException(_('no log file found'))
try:
nfl_esc = nfl_filter.replace('(', '\(').replace(')', '\)')
# remove the slash that is intentionally added in the URL
# to avoid failure of filtering stats data.
if nfl_esc.startswith('/'):
nfl_esc = nfl_esc[1:]
stats = Stats2(*log_files)
stats.sort_stats(sort)
if output_format == 'python':
data = self.format_source_code(nfl_filter)
elif output_format == 'json':
data = stats.to_json(nfl_esc, limit)
elif output_format == 'csv':
data = stats.to_csv(nfl_esc, limit)
elif output_format == 'ods':
data = stats.to_ods(nfl_esc, limit)
else:
data = stats.print_stats()
return data, [('content-type', self.format_dict[output_format])]
except ODFLIBNotInstalled:
raise
except Exception as ex:
raise ProfileException(_('Data download error: %s') % ex)
def plot(self,
log_files,
sort='time',
limit=10,
nfl_filter='',
metric_selected='cc',
plot_type='bar'):
if not PLOTLIB_INSTALLED:
raise PLOTLIBNotInstalled(_('python-matplotlib not installed.'))
if len(log_files) == 0:
raise NotFoundException(_('no log file found'))
try:
stats = Stats2(*log_files)
stats.sort_stats(sort)
stats_dict = stats.stats
__, func_list = stats.get_print_list([nfl_filter, limit])
nfls = []
performance = []
names = {
'nc': 'Total Call Count',
'cc': 'Primitive Call Count',
'tt': 'Total Time',
'ct': 'Cumulative Time'
}
for func in func_list:
cc, nc, tt, ct, __ = stats_dict[func]
metric = {'cc': cc, 'nc': nc, 'tt': tt, 'ct': ct}
nfls.append(func[2])
performance.append(metric[metric_selected])
y_pos = range(len(nfls))
error = [random.random() for _unused in y_pos]
plt.clf()
if plot_type == 'pie':
plt.pie(x=performance,
explode=None,
labels=nfls,
autopct='%1.1f%%')
else:
plt.barh(y_pos,
performance,
xerr=error,
align='center',
alpha=0.4)
plt.yticks(y_pos, nfls)
plt.xlabel(names[metric_selected])
plt.title('Profile Statistics (by %s)' % names[metric_selected])
# plt.gcf().tight_layout(pad=1.2)
with tempfile.TemporaryFile() as profile_img:
plt.savefig(profile_img, format='png', dpi=300)
profile_img.seek(0)
data = profile_img.read()
return data, [('content-type', 'image/jpg')]
except Exception as ex:
raise ProfileException(_('plotting results failed due to %s') % ex)