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plot_maker.py
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plot_maker.py
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import plotly.graph_objects as go
from plotly.io import to_image
import base64
def make_donut(title=None, values=[1,1], labels=None, colors=None, center_text=None):
"""
Generates a donut chart
"""
# Use 'hole' to create a donut-like pie chart
fig = go.Figure(data=[go.Pie(labels=labels, values=values, hole=.90, marker_colors=colors)])
if center_text:
fig.update_layout(
annotations=[{
"text": center_text,
"x": 0.5,
"y": 0.5,
"font_size": 30,
"showarrow": False
}])
fig.update_layout(margin=dict(l=35, r=35, b=35, t=35),
legend=dict(font=dict(size=20)),
font=dict(size=20)
)
# graph = fig.to_html(full_html=False, config={"displayModeBar": False})
img_bytes = fig.to_image(format="png")
return str(base64.b64encode(img_bytes))[2:-1]
def make_bar(title=None, values=[1,1], labels=None, colors=None):
"""
Generates a bar chart
"""
fig = go.Figure(go.Bar(x=labels, y=values, marker_color=colors, width=[0.4 for i in range(len(values))]))
fig.update_layout(margin=dict(
l=10,
r=10,
b=10,
t=10
))
img_bytes = fig.to_image(format="png")
return str(base64.b64encode(img_bytes))[2:-1]