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#
# CALENDAR HEATMAP
#
# DESCRIPTION
# Creates a calendar heatmap from a git commit frequency list.
# The frequency list must be in JSON and formatted as 'YYYY-MM-DD: FREQ'.
#
# ARGS
# 1nd arg: path to JSON frequency list
# 2st arg (optional): output file path
#
# REQUIREMENTS
# matplotlib july
#
# NOTE
# If receiving Matplotlib warning, install patch:
# pip install -U git+https://github.com/thoellrich/july.git@fix-mpl.cbook.MatplotlibDepreciationWarning
#
import os
import sys
import json
import july
import matplotlib.pyplot as plt
from datetime import datetime as dtime
from july.utils import date_range as drange
if len(sys.argv) == 1:
print("Error: commits file not specified")
quit()
freqlist = sys.argv[1]
if len(sys.argv) == 2:
print("Output file not specified; defaulting to current directory")
outfile = "activity.png"
else:
outfile = sys.argv[2]
if not os.path.exists(freqlist):
print("Error: file '{}' does not exists".format(freqlist))
quit()
commits = json.load(open(freqlist,'r'))
# Create this years calendar
start='{}-01-01'.format(dtime.now().year)
end='{}-12-31'.format(dtime.now().year)
calendar = [ d.strftime("%F") for d in drange(start,end) ]
# Populate calendar with commits
cal = {}
for date in calendar:
cal[date] = commits[date] if date in commits else 0
# Create heatmap
july.heatmap(cal.keys(),
cal.values(),
month_grid=True,
weekday_label=True,
title="Activity",
cmap="github")
# Save image
plt.savefig(outfile, bbox_inches='tight', pad_inches=0.0)
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