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eodb/eodb/events/management/commands/times.py

39 lines
1.4 KiB
Python

import matplotlib
import matplotlib.dates
import matplotlib.pyplot as plt
from .common import GraphCommand
class Command(GraphCommand):
def add_arguments(self, parser):
super(Command, self).add_arguments(parser)
parser.add_argument('--opacity', type=float, default=0.3)
def handle(self, *args, **options):
datetime_var = 'author_datetime'
if options.get('committime'):
datetime_var = 'commit_datetime'
event_dates = []
event_times = []
plots = []
for i, (legend, serie) in enumerate(self.get_series(options)):
for commit in serie:
graph_date = getattr(commit, datetime_var)
event_dates.append(matplotlib.dates.date2num(graph_date.date()))
event_times.append(graph_date.hour + graph_date.minute / 60. + graph_date.second / 3600)
plot = plt.scatter(event_dates, event_times, alpha=options.get('opacity'))
plots.append((legend, plot))
if i > 1:
plt.legend([plot[0] for legend, plot in plots],
[legend for legend, plot in plots])
plt.gca().xaxis.set_major_locator(matplotlib.dates.YearLocator())
plt.gca().xaxis.set_minor_locator(matplotlib.dates.MonthLocator())
plt.gca().xaxis.set_major_formatter(matplotlib.dates.DateFormatter('%m/%Y'))
plt.gca().set_ylim([0, 24])
plt.yticks(range(24))
self.plot(options)