Created
March 21, 2020 20:45
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Based on Renzo Lucioni's famous senate voting graphs https://gist.github.com/rlucioni/8bdb1092579041ce739c
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import re | |
import pandas as pd | |
import networkx as nx | |
import urllib.request | |
import matplotlib.pyplot as plt | |
import matplotlib.image as mpimg | |
import matplotlib.animation as animation | |
from textwrap import wrapk | |
def get_senate_vote(vote): | |
# Year can be replaced to fetch votes from different years (e.g., 2013). 1989 is used | |
# as an example. | |
csv_url= "https://www.govtrack.us/congress/votes/116-2020/s{}/export/csv".format(vote) | |
img_url= "https://www.govtrack.us/congress/votes/116-2020/s{}/diagram".format(vote) | |
try: | |
title=pd.read_csv(csv_url,nrows=1,header=None).at[0,0] | |
urllib.request.urlretrieve(img_url,'diagrams/vote-{}.png'.format(vote)) | |
votes = pd.read_csv(csv_url,header=[1]) | |
return title, votes | |
except ValueError: | |
raise Exception("Not a valid vote number.") | |
def get_all_votes(): | |
vote_num = 1 | |
vote_titles = [] | |
vote_dfs = [] | |
while True: | |
try: | |
title, votes = get_senate_vote(vote_num) | |
vote_titles.append(title) | |
vote_dfs.append(votes) | |
vote_num += 1 | |
except Exception: | |
break | |
return vote_titles, vote_dfs | |
title_list, vote_dfs = get_all_votes() | |
fig = plt.figure() | |
ims = [] | |
for i in range(len(title_list)): | |
vote_num=i+1 | |
img = mpimg.imread('diagrams/vote-{}.png'.format(vote_num)) | |
title = title_list[i] | |
top_title = title[:title.find('2020-')] | |
short_title = re.sub(" ?\([^)]+\)", "",title[title.find(' - ')+3:]) | |
plt.imshow(img,animated=True) | |
plt.title("2020 {}".format(top_title),size=28) | |
#plt.title('\n'.join(wrap(short_title,32)),size=24) | |
plt.gca().set_xlabel('\n'.join(wrap(short_title,50))) | |
plt.savefig('diagrams/titled-vote-{}.png'.format(vote_num)) |
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