SavePandasPlot.py

import numpy
import pandas

# fill a random dataframe
# Example taken from:
#   http://pandas.pydata.org/pandas-docs/version/0.15.0/visualization.html
ts = pandas.Series(numpy.random.randn(1000),
                   index=pandas.date_range('1/1/2000',
                   periods=1000))
ts = ts.cumsum()

df = pandas.DataFrame(numpy.random.randn(1000, 4),
                      index=ts.index,
                      columns=list('ABCD'))
df = df.cumsum()

# plot the data frame, and get the figure from the axes
ax = df.plot()
fig = ax.get_figure()

# save the figure
fig.savefig('my_plot.png',bbox_inches='tight',dpi=300)