# -*- coding: utf-8 -*-

"""Helper utilities and decorators."""

from flask import flash

import matplotlib.pyplot as plt

def flash_errors(form, category="warning"):

"""Flash all errors for a form."""

for field, errors in form.errors.items():

for error in errors:

flash(getattr(form, field).label.text + " - " + error + ", category")

def savePlot(plot_name, dpi=100, tight_layout=True, folder="temp_plots/"):

"""Deals with the current matplotlib.pyplot."""

if tight_layout:

plt.tight_layout()

plt.savefig(folder + plot_name, dpi=dpi, format=plot_name.split(".")[-1])

def get_all_paths(adata):

import networkx as nx

G = nx.from_numpy_matrix(adata.uns["paga"]["connectivities_tree"].toarray())

mapping = {int(k): v for k, v in zip(G.nodes, adata.obs.clusters.cat.categories)}

G = nx.relabel_nodes(G, mapping)

all_paths = []

for source in G.nodes:

for target in G.nodes:

paths = nx.all_simple_paths(G, source=source, target=target)

for path in paths:

all_paths.append(path)

import numpy as np

all_paths = list(map(lambda x: " - ".join(np.array(x).astype(str)), all_paths))

return all_paths