Fabien LUCE fabthegreat

NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.

Q: How can I make a chain of function decorators in Python?

If you are not into long explanations, see [Paolo Bergantino’s answer][2].

	with open(path + '/' + filename + '.csv', 'w',encoding='ISO_8859-1') as f:
	f.write("class;temps;nom;cat;sexe;club\n")
	for r in result_tab:
	rw=r[:]
	f.write(';'.join(map(lambda x: str(x),rw))+'\n')
	f.close()
	return 'pdf_files/' + filename + '.csv'

	class TimeNew:
	def __init__(self,hms):
	self.time = timedelta(hours=hms[0],minutes=hms[1],seconds=hms[2])

	def __str__(self):
	s=self.time.total_seconds()
	if int(s//3600) == 0:
	return "{}'{}''".format(int(s % 3600 // 60),int(s % 60))
	else:
	return "{:02}h{}'{}''".format(int(s//3600),int(s % 3600 //60),int(s % 60))

	def remove_race(request,race_ID,race_type):
	# TODO: add race_name into session['races']
	if request.session.get('races') and utils.index_shortlist_in_list([race_ID,race_type],request.session['races'])
	request.session['races'].remove([race_ID,race_type],request.session['races'])
	request.session.modified = True
	else:
	error_msg_url = "La course n'appartient pas à votre liste!"
	error_msg_url = utils.index_shortlist_in_list([race_ID,race_type],request.session['races'])
	error_msg_url = repr(race_ID)+':'+repr(race_type)+'::'+','.join(['['+a[1]+','+a[0]+']' for a in request.session['races']])
	return render(request,'index.html',{'error_msg_url':error_msg_url,'racelist':request.session.get('races')})

	def create_columns_record():
	cursor,connexion=db_initiate()

	yearnow= datetime.datetime.now().year
	yearlist = [yearnow - i for i in range(4)]*3
	racetypes=['10k','21k','42k']

	test_record= 'record_10k'+str(yearnow)
	cursor.execute("SELECT column_name FROM information_schema.columns WHERE table_name='runners' and column_name=%s;",(test_record,))

	import psycopg2
	import convertFFA2kikourou

	def db_initiate(host="localhost",dbname="XXX",user="XXX",password="XXX"):
	conn=psycopg2.connect(host="localhost",dbname="XXX", user="XXX",
	password="XXX")
	cur = conn.cursor()
	return cur,conn

	def db_finish(cursor,connexion):