# python ./Pipelines/birthrate-pipe-python/Components/brplot-py/script.py 
import os 
import pickle 
# Load module input 
brfile = '/home/fos/pmur002/Talks/OpenAPI2014/Slides/Pipelines/birthrate-pipe-python/Components/birthrate/birthrate.csv' 
# Set working directory 
oldwd = os.getcwd() 
os.chdir('./Pipelines/birthrate-pipe-python/Components/brplot-py') 
# Module source 
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.dates as mdates

year, births = np.loadtxt(brfile, unpack=True, delimiter=",")

plt.plot_date(x=year, y=births, fmt="r-")
plt.grid(True)
plt.savefig("birthrate-py.svg")
 
# Reset working directory 
os.chdir(oldwd) 
# Save module output