contributor_monthly.py

import datetime as datetime
import os 

def organize_monthly(path):
	committer_per_month_path = path + 'committer-per-month/'

	if not os.path.exists(committer_per_month_path):
		os.makedirs(committer_per_month_path)
		
	for file in os.listdir(path): 
		if file.endswith('.txt'):
			this_file = open(os.path.join(path,file))
			this_data = this_file.readlines()
			committers = collect_contributors(this_data)		
			organize_and_write_file(committers,committer_per_month_path,str(file))
				
def collect_contributors(data):
	contributors = []
	for line in data:
		this = line.split('-')
		if (len(this) > 1):
		   date = datetime_it(this[0],this[1],this[2])
		   contributors.append(date)
	return contributors
	
def datetime_it(day,month,year):
	date = datetime.datetime(int(day),int(month),int(year))
	return date	
	
def organize_and_write_file(data,folder_path,file_name):
	this_file = open(os.path.join(folder_path + file_name),'w')
	
	years = []
	for date in data: 
		if date.year not in years:
			years.append(date.year)
			
	months = [[list() for month in range(12)] for year in range(len(years))]
	
	for current_year,current_month_list in zip(years,months):
		for current_month_number,month in zip(range(1,13),current_month_list): 
			for date in data:
				if date.year == current_year:
					if date.month == current_month_number:
						month.append(date.day) 

	for year,month in zip(years,months):
		this_file.write(str(year))
		this_file.write('\n')
		for month_number, month_data in zip(range(1,13), month):
			this_file.write(str(month_number) + '->' + str(len(month_data)))  
			this_file.write('\n')
			

contributor_folder_path = raw_input('Please specify the folder where are the data generated by [Committers|Newcomers].sh:')
organize_monthly(contributor_folder_path)