calelt.py

from math import comb
import os
from os import walk
import shutil
import itertools
import datetime
import csv
import sys


### list files in path
def list_file(path):
    f = []
    for (dirpath, dirnames, filenames) in walk(path):
        f.extend(filenames)
        break
    return f


### return list from csv
def csv2list(csvfile):
    with open(csvfile, newline='') as f:
        reader = csv.reader(f)
        csvlist = list(reader)
    n = len(csvlist)
    L = []
    for i in range(1,n):
        L.append([datetime.datetime.strptime(csvlist[i][0], '%Y-%m-%d %H:%M:%S+00:00'),datetime.datetime.strptime(csvlist[i][1], '%Y-%m-%d %H:%M:%S+00:00')])
    return L


### return list of events (without consecutive events) from list of events
def clear_gap(L):
    if len(L) >= 2:
        i=0
        debut = L[0][0]
        fin = L[0][1]
        while L[i][1] == L[i+1][0]:
            fin = L[i+1][1]
            i += 1
        return [[debut,fin]]+clear_gap(L[i+1:])
    elif len(L) == 1:
        return L
    elif len(L) == 0:
        return []


# return list of free events from list of events (without consecutive events)
def free(L,i,n):
    if i >= n - 1:
        return []
    else:
        return [[L[i][1],L[i+1][0]]] + free(L,i+1,n)


# return merged
def fusion(L1,L2,i,j,n1,n2):
    if i >= n1 - 1 and j >= n1 - 1:
        return []
    elif i >= n1 - 1:
        return [L2[j:]]
    elif j >= n2 - 1:
        return [L1[i:]]
    else: # soit gap, soit overlap
        start1, start2, stop1, stop2 = L1[i][0], L2[i][0], L1[i][1], L2[i][1]
        if stop1<start2: # gap -_
            return fusion(L1,L2,i+1,j,n1,n2)
        elif stop2<start1: # gap _-
            return fusion(L1,L2,i,j+1,n1,n2)
        else: # overlap
            if start1 > start2:
                debut = start1
            else:
                debut = start2
            if stop1 > stop2:
                fin = stop2
                return [[debut,fin]]+fusion(L1,L2,i,j+1,n1,n2)
            else:
                fin = stop1
                return [[debut,fin]]+fusion(L1,L2,i+1,j,n1,n2)


def merge(L):
    lenL=len(L)
    if lenL == 0:
        return []
    elif lenL == 1:
        return L
    else:
        return fusion(L[0],L[1],0,0,len(L[0]),len(L[1]))+merge(L[2:])


# return list of (list[i] =: (i-arrangment of item) in list) 
def combo_newton(L,inf,sup):
    combo = []
    for i in range(inf,sup+1):
        icombo=list(itertools.combinations(names,i))[0]
        combo.append(icombo)
    return combo


path = "/home/venturqx/Prog/Calelt/"
input_path = path + "ics/"
output_path = path + "csv/"
tmp_path = path + "tmp/"
tmp2_path = path + "tmp2/"
names = []
B = []
F = []

os.chdir(path)
input_files=list_file(input_path)
if not os.path.exists(tmp_path):
    os.mkdir(tmp_path)
if not os.path.exists(tmp2_path):
    os.mkdir(tmp2_path)
for file in input_files:
    name=file.split(".")[-2]
    names.append(name)
    os.system("python ical2csv.py "+input_path+file)
    path1=tmp_path+name+".csv"
    os.rename(input_path+name+".csv",path1)
    print("Moved to "+path1+"\n")
    path2=tmp2_path+name+".csv"
    os.system("csvcut -c \"Start Time\",\"End Time\" "+path1+" > "+path2)
    print("csvcut "+name+".csv to "+path2+"\n")
    F.append(free(clear_gap(csv2list(path2))))
merge(F)
# combo_newton(names,2,len(names))
    

### CALC

def free(jointed_list):
    return 0

def merge(free0,free1):
    return 0

def Lmerge(Lfree,fuse): # free =: [ [ [bla,bla],[ble,ble].. ], [ [bli,bli],[blo,blo].. ] ]    ;   fuse =: 0
    lenf=len(Lfree)
    if lenf == 0:
        return []
    if lenf == 1:
        if fuse == 0:
            merge(Lfree[0],Lfree[0])
            fuse = 1
        else:
            return Lfree[0]
    else:
        return merge(Lfree[0],Lfree[1])+Lmerge(Lfree[2:])


# for icombo in combo:
#     for arrangement in icombo:


# file3=name1+"_"+name2+".csv"

#M1=clear_gap(csv2list(input_path+"ELT4A_G1.ics"))
#M2=clear_gap(csv2list(input_path+"ELT4A_G2.ics"))

#print(M1)

# Mlen0=len(M[0])
# Mlen1=len(M[1])
# free=freed(M,0,0,Mlen0,Mlen1)

# with open(file3, 'w') as f:
#     write = csv.writer(f)
#     write.writerow(["Start Time", "End Time"])
#     write.writerows(free)



### QUIT
for file in input_files:
    if os.path.exists(tmp_path):
        shutil.rmtree(tmp_path)
        print("Deleting directory "+tmp_path+"\n")
    if os.path.exists(tmp2_path):
        shutil.rmtree(tmp2_path)
        print("Deleting directory "+tmp2_path+"\n")