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libManajemenBerkas.py
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# -*- coding: utf-8 -*-
"""
Created on Tue Oct 5 06:11:45 2021
@author: galih-hermawan
Repository: https://github.com/galihboy/
Web: https://galih.eu
"""
import os
class ManajemenBerkas:
def __init__(self, namaDirektori):
# direktori = os.getcwd()
# gabung path =
self.namaDirektori = namaDirektori
self.almFileIndeks = os.path.join(namaDirektori, "indeks.txt")
self.almFileDir = os.path.join(namaDirektori, "direktori.txt")
def PeriksaBerkas(self, namaFile):
# periksa apakah file valid
if os.path.isfile(namaFile):
return True
else:
try:
file1 = open(namaFile, "r", encoding='utf-8')
file1.closed()
except FileNotFoundError:
print(f"Berkas {namaFile} tidak ditemukan.")
return False
except OSError:
print(f"Terdapat kesalahan OS saat membuka file {namaFile}")
return False
except Exception as err:
print(f"Terdapat kesalahan tak terduga saat membuka file {namaFile} - ",repr(err))
return False
else:
return True
# periksa keberadaan direktori
def CekDirektoriValid(self, namaDirektori):
return os.path.isdir(namaDirektori)
# membersihkan list dari empty string/values
def BersihkanEmptyList(self, daftar):
return [x for x in daftar if x]
# membaca isi file dan dikembalikan dalam bentuk list
def BacaBerkas(self, namaFile):
statusFile = self.PeriksaBerkas(namaFile)
isi = []
if statusFile:
file1 = open(namaFile, "r", encoding='utf-8')
with file1:
# pisah data file per baris dan hapus data kosong
isi = file1.read().strip().split("\n")
file1.close()
return self.BersihkanEmptyList(isi)
def TulisBerkas(self, listData, namaFile):
statusFile = self.PeriksaBerkas(namaFile)
if statusFile:
file1 = open(namaFile, "w", encoding='utf-8')
with file1:
for d in listData:
file1.write(d + "\n")
file1.close()
def TambahDataBerkas(self, barisData, namaFile):
statusFile = self.PeriksaBerkas(namaFile)
if statusFile:
file1 = open(namaFile, "a", encoding='utf-8')
with file1:
file1.write("\n" + barisData)
file1.close()
self.RapikanBerkas()
#return self.BersihkanEmptyList(isi)
# baca file, bersihkan empty values, tulis ulang
def RapikanBerkas(self, namaFile):
statusFile = self.PeriksaBerkas(namaFile)
isiBerkas = self.BacaBerkas(namaFile)
if statusFile:
file1 = open(namaFile, "w", encoding='utf-8')
with file1:
# pisah data file per baris dan hapus data kosong
for data in isiBerkas:
file1.write(data + "\n")
file1.close()