/usr/lib/python3/dist-packages/mplexporter/renderers/vincent_renderer.py is in python3-mplexporter 0.0.1+20140921-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from .base import Renderer
from ..exporter import Exporter
class VincentRenderer(Renderer):
def open_figure(self, fig, props):
self.chart = None
self.figwidth = int(props['figwidth'] * props['dpi'])
self.figheight = int(props['figheight'] * props['dpi'])
def draw_line(self, data, coordinates, style, label, mplobj=None):
import vincent # only import if VincentRenderer is used
if coordinates != 'data':
warnings.warn("Only data coordinates supported. Skipping this")
linedata = {'x': data[:, 0],
'y': data[:, 1]}
line = vincent.Line(linedata, iter_idx='x',
width=self.figwidth, height=self.figheight)
# TODO: respect the other style settings
line.scales['color'].range = [style['color']]
if self.chart is None:
self.chart = line
else:
warnings.warn("Multiple plot elements not yet supported")
def draw_markers(self, data, coordinates, style, label, mplobj=None):
import vincent # only import if VincentRenderer is used
if coordinates != 'data':
warnings.warn("Only data coordinates supported. Skipping this")
markerdata = {'x': data[:, 0],
'y': data[:, 1]}
markers = vincent.Scatter(markerdata, iter_idx='x',
width=self.figwidth, height=self.figheight)
# TODO: respect the other style settings
markers.scales['color'].range = [style['facecolor']]
if self.chart is None:
self.chart = markers
else:
warnings.warn("Multiple plot elements not yet supported")
def fig_to_vincent(fig):
"""Convert a matplotlib figure to a vincent object"""
renderer = VincentRenderer()
exporter = Exporter(renderer)
exporter.run(fig)
return renderer.chart
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