from json import loads
from requests import post
import jinja2
+import threading
matplotlib.use('Agg')
CORS(app, supports_credentials=True)
app.secret_key = b'_5#y2L"F4Q8z\n\xec]/'
+# Workaround for
+# https://github.com/matplotlib/matplotlib/issues/13723. Despite the
+# issue is closed, the problem is still there. See
+# https://github.com/matplotlib/matplotlib/issues/13723#issuecomment-761302131.
+plot_lock = threading.Lock()
# Inspired by https://shubhamjain.co/til/how-to-render-human-readable-time-in-jinja/,
# updated to our needs
else:
ax.set_title("This week taste")
- fig.savefig(b, format="svg", bbox_inches="tight")
+ with plot_lock:
+ fig.savefig(b, format="svg", bbox_inches="tight")
+ plt.close(fig)
b.seek(0)
return send_file(b, mimetype="image/svg+xml")
ax.set_title("This week total")
ax.yaxis.set_major_locator(MaxNLocator(integer=True))
- fig.savefig(b, format="svg", bbox_inches="tight")
+ with plot_lock:
+ fig.savefig(b, format="svg", bbox_inches="tight")
+ plt.close(fig)
b.seek(0)
- plt.close(fig)
return send_file(b, mimetype="image/svg+xml")