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oxgcrt.py
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oxgcrt.py
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#!/usr/bin/env python3
"""
Plot country policy data available at
https://raw.githubusercontent.com/OxCGRT/covid-policy-tracker/master/data/OxCGRT_latest.csv
"""
import sys
import argparse
import pprint
import enum
import csv
import numpy
import matplotlib.pyplot as plt
import covid
URL = "https://raw.githubusercontent.com/OxCGRT/covid-policy-tracker/master/data/OxCGRT_latest_withnotes.csv"
DATA_FILE = "oxgcrt_latest_withnotes.csv"
XTICKS = 8
FIGSIZE = (15, 4)
DPI = 200
TOTAL_NAT = "NAT_TOTAL"
TOTAL_STATE = "STATE_TOTAL"
I_DATE = 5
I_COUNTRY_NAME = 0
I_COUNTRY_CODE = 1
I_REGION_NAME = 2
I_REGION_CODE = 3
I_JUSRISDICTION = 4
class Metric(enum.Enum):
SCHOOL = 6
WORK = 9
EVENTS = 12
GATHERING = 15
TRANSPORT = 18
HOME = 21
MOVEMENT = 24
IMMIGRATION = 27
INCOME = 29
DEBT = 32
FISCAL = 34
MASKS = 49
VACCINATION = 52
STRINGENCY = 59
class OxCGRT:
data = None
arr = None
def __read_data(self, fname):
"""Parse the CSV file."""
with open(fname, newline='') as csvfile:
reader = csv.reader(csvfile, delimiter=',', quotechar='"')
self.data = list(reader)
def __normalize_data(self):
"""Transform data from CSV to numpy array."""
self.heading = self.data[0]
for i, h in enumerate(self.heading):
print(i, h)
print()
self.data = self.data[1:]
self.country_code = {}
self.code_name = {}
self.dates = set()
for row in self.data:
self.code_name[row[I_COUNTRY_CODE]] = row[I_COUNTRY_NAME]
country = self.country_code.setdefault(row[I_COUNTRY_NAME],
(row[I_COUNTRY_CODE], {}))
if row[I_JUSRISDICTION] == TOTAL_STATE:
country[1][row[I_REGION_NAME]] = row[I_REGION_CODE]
self.code_name[row[I_REGION_CODE]] = row[I_REGION_NAME]
self.dates.add(row[I_DATE])
pprint.pprint(self.country_code)
print()
if not args.code:
sys.exit(-1)
# name_idx = index(sorted(code_name.values()))
self.codes = list(sorted(self.code_name.keys()))
self.code_idx = covid.index(self.codes)
self.dates = list(sorted(self.dates))
self.date_idx = covid.index(self.dates)
self.metric_idx = covid.index([x.name for x in Metric])
self.arr = numpy.zeros((len(self.code_idx), len(Metric), len(self.date_idx)),
dtype=numpy.float32)
for row in self.data:
for metric in Metric:
val = row[metric.value]
if not val:
continue
i_code = self.code_idx[row[I_COUNTRY_CODE]]
i_metric = self.metric_idx[metric.name]
i_date = self.date_idx[row[I_DATE]]
self.arr[i_code, i_metric, i_date] = val
def get(self, code, metric):
i_code = self.code_idx[code]
try:
i_metric = self.metric_idx[metric]
except KeyError:
print("Metrics:")
for metric in sorted(self.metric_idx):
print(metric)
sys.exit(-1)
return self.arr[i_code, i_metric]
def __init__(self, fname):
self.__read_data(fname)
self.__normalize_data()
def oxgcrt(args):
covid.download(URL, DATA_FILE, shelf_life=60*60*24)
oxgcrt = OxCGRT(DATA_FILE)
figsize = (FIGSIZE[0], FIGSIZE[1] * len(args.metric))
fig = plt.figure("OxCGRT", figsize=figsize)
fig.subplots_adjust(left=0.05, right=0.98)
for i_metric, metric in enumerate(args.metric):
metric = metric.upper()
ax = fig.add_subplot(len(args.metric), 1, i_metric + 1,
xmargin=0)
ax.set_ylabel("OxCGRT "+metric.capitalize())
for code in args.code:
row = oxgcrt.get(code, metric)
label = oxgcrt.code_name[code]
ax.plot(range(len(oxgcrt.dates)), row, label=label)
covid.add_ticks(plt, XTICKS, range(len(oxgcrt.dates)), oxgcrt.dates)
if len(args.code) > 1:
handles, labels = ax.get_legend_handles_labels()
ax.legend(handles, labels)
plt.show()
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Plot country policy data.")
parser.add_argument('--metric', nargs='+', type=str, default=['STRINGENCY'], help='Metric to use')
parser.add_argument('--png', type=str, help='store to PNG')
parser.add_argument('code', type=str, nargs='+',
help='Country or region codes to plot')
args = parser.parse_args()
oxgcrt(args)