{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Gunakan Library yang dibutuhkan"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from openpyxl import load_workbook"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Load file Excel\n",
    "Ubah lokasi file dari **/home/aan/basangdata_excel/python_menjumlahkan_baris/contoh_output_formula.xlsx** menjadi lokasi yang sesuai, misal **d:\\latihan_excel_python\\contoh_output_formula.xlsx**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "wb = load_workbook('/home/aan/basangdata_excel/python_menjumlahkan_baris/contoh_output_formula.xlsx', data_only = True)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Buka semua Sheet selain Total\n",
    "Di tiap sheet, baca semua baris pada **kolom B**, jika menemukan kata **Jumlah Periode Ini** simpan **nama sheet** dan **nomor baris** ke dalam variable **row_numbers**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "row_numbers = {}\n",
    "for ws in wb.worksheets:\n",
    "    if 'Total' not in ws.title:\n",
    "        max_row_b = ws.max_row + 1\n",
    "    \n",
    "        for row_b in range(2, max_row_b):\n",
    "            if ws['B' + str(row_b)].value == 'Jumlah Periode Ini':\n",
    "                row_numbers[ws.title] = row_b"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Buat formula\n",
    "Variable **ws_total** adalah worksheet **Total**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "ws_total = wb['Total']\n",
    "formula = '='"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Tambahkan formula\n",
    "berdasarkan semua **nama sheet** dan **baris** dimana ditemukan teks **Jumlah Periode Ini**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "for rn in row_numbers:\n",
    "    formula = formula + rn + '!H' + str(row_numbers[rn]) + '+'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Tulis formula\n",
    "di sheet **Total** sel **B2** dengan teks seperti variable formula namun **dikurangi** 1 karakter terakhir (**tanda +**)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "ws_total['B2'].value = formula[:-1]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Simpan file Excel\n",
    "Dengan nama **contoh_output_formula_hasil.xlsx**, silahkan ubah lokasi file agar sesuai"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "wb.save('/home/aan/basangdata_excel/python_menjumlahkan_baris/contoh_output_formula_hasil.xlsx')"
   ]
  }
 ],
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  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
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