py-licenser/CopyRightBase.py
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CopyRightBase.py
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			#!/usr/bin/env python
			from __future__ import print_function

			from collections import namedtuple

			from datetime import datetime

			CopyRight = namedtuple('CopyRight', ['owner_name', 'on_modifications', 'start', 'end', 'licence_file' ])

			class CopyRightBase(object):
			def __init__(self, filename):
			self.authors = None
			self.build(filename)

			def build(self, filename):
			with open(filename) as fh:
			split_lines = [line.strip().split(';') for line in fh]
			tab = ([[token.strip('"') for token in line] for line in split_lines])
			self.owners=[]
			for owner_name, on_modif, start,end , licence_file in tab:
			start = datetime.strptime(start,"%d-%m-%Y")
			end = datetime.strptime(end ,"%d-%m-%Y")
			self.owners.append(CopyRight._make([owner_name,on_modif, start, end, licence_file]))

			def findByOwner(self, owner_name):
			find = [owner for owner in self.owners
			if owner.owner_name == owner_name]

			if find:
			return find[0]
			else:
			return None

			def findByDate(self, date):
			if type(date) == str:
			date = datetime.strptime(date,"%d-%m-%Y")
			elif type(date) == float:
			date = datetime.fromtimestamp(date)

			find = [owner for owner in self.owners
			if (date > owner.start and date < owner.end) ]
			if find:
			return find
			else:
			return None



			if __name__ == "__main__":
			base = CopyRightBase('copyrights.csv')
			print(base.findByOwner("INRIA"))
			print (base.findByDate("01-01-2010"))