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Django view with Plotly
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| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Django with Plotly - example</title> | |
| </head> | |
| <body> | |
| {% if view.generate_plot %} | |
| <div style="width: 100%; height: 100%;"> | |
| {{ view.generate_plot|safe }} | |
| </div> | |
| {% endif %} | |
| {% if error %} | |
| <div> | |
| <h3>No data provided to build graph :(</h3> | |
| </div> | |
| {% endif %} |
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| from django.conf.urls import url | |
| from statistics_plot.views import PlotGraph | |
| urlpatterns = [ | |
| url(r'^stats/$', PlotGraph.as_view()), | |
| ] |
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| import plotly.graph_objs as go | |
| import plotly.offline as opy | |
| from django.utils.decorators import method_decorator | |
| from django.views.decorators.cache import never_cache | |
| from django.views.decorators.csrf import csrf_exempt | |
| from django.views.generic import TemplateView | |
| class PlotGraph(TemplateView): | |
| """ | |
| Generates plot. | |
| """ | |
| template_name = 'plot.html' | |
| @never_cache | |
| @method_decorator(csrf_exempt) | |
| def dispatch(self, request, *args, **kwargs): | |
| return super(PlotGraph, self).dispatch(request, *args, **kwargs) | |
| def get_context_data(self, **kwargs): | |
| return super(PlotGraph, self).get_context_data(**kwargs) | |
| def generate_plot(self): | |
| try: | |
| # django orm logic here | |
| my_dict = {} | |
| bar_data = go.Bar( | |
| x=my_dict.keys(), | |
| y=my_dict.values(), | |
| name='Some data...', | |
| ) | |
| data = [bar_data] | |
| layout = go.Layout( | |
| title='My layout', | |
| xaxis=dict( | |
| title='X', | |
| titlefont=dict( | |
| family='Verdana', | |
| size=18, | |
| color='#7f7f7f' | |
| ) | |
| ), | |
| yaxis=dict( | |
| range=[-10, 500], | |
| title='Y', | |
| titlefont=dict( | |
| family='Verdana', | |
| size=18, | |
| color='#7f7f7f' | |
| ) | |
| ), | |
| ) | |
| fig = go.Figure( | |
| data=data, | |
| layout=layout | |
| ) | |
| return opy.plot( | |
| fig, | |
| auto_open=False, | |
| output_type='div', | |
| show_link=True | |
| ) | |
| except Exception as exc: | |
| print(f'Error --> {exc}') |
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