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import base64 |
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import datetime |
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from core.utilities import get_translation |
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import os |
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import uuid |
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from decimal import Decimal |
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from openpyxl import Workbook |
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from openpyxl.drawing.image import Image |
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from openpyxl.styles import PatternFill, Border, Side, Alignment, Font |
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from core.utilities import round2 |
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######################################################################################################################## |
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# PROCEDURES |
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# Step 1: Validate the report data |
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# Step 2: Generate excel file |
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# Step 3: Encode the excel file to Base64 |
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######################################################################################################################## |
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View Code Duplication |
def export(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type, |
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language): |
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#################################################################################################################### |
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# Step 1: Validate the report data |
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#################################################################################################################### |
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if report is None: |
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return None |
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#################################################################################################################### |
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# Step 2: Generate excel file from the report data |
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#################################################################################################################### |
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filename = generate_excel(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type, |
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language) |
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#################################################################################################################### |
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# Step 3: Encode the excel file to Base64 |
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#################################################################################################################### |
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binary_file_data = b'' |
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try: |
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with open(filename, 'rb') as binary_file: |
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binary_file_data = binary_file.read() |
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except IOError as ex: |
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print(str(ex)) |
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# Base64 encode the bytes |
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base64_encoded_data = base64.b64encode(binary_file_data) |
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# get the Base64 encoded data using human-readable characters. |
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base64_message = base64_encoded_data.decode('utf-8') |
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# delete the file from server |
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try: |
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os.remove(filename) |
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except NotImplementedError as ex: |
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print(str(ex)) |
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return base64_message |
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def generate_excel(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type, |
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language): |
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trans = get_translation(language) |
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trans.install() |
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_ = trans.gettext |
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wb = Workbook() |
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ws = wb.active |
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ws.title = "TenantBill" |
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# Row height |
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for i in range(1, 11 + 1): |
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ws.row_dimensions[i].height = 0.1 |
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ws.row_dimensions[12].height = 30.0 |
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ws.row_dimensions[13].height = 10.0 |
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ws.merge_cells('B13:I13') |
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for i in range(14, 23 + 1): |
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ws.row_dimensions[i].height = 0.1 |
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ws.row_dimensions[24].height = 20.0 |
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ws.row_dimensions[25].height = 10.0 |
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ws.merge_cells('B25:I25') |
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for i in range(26, 35 + 1): |
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ws.row_dimensions[i].height = 0.1 |
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for i in range(36, 41 + 1): |
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ws.row_dimensions[i].height = 20.0 |
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ws.row_dimensions[42].height = 10.0 |
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ws.merge_cells('B42:I42') |
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for i in range(43, 52 + 1): |
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ws.row_dimensions[i].height = 0.1 |
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# Col width |
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ws.column_dimensions['A'].width = 1.5 |
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for i in range(ord('B'), ord('J')): |
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ws.column_dimensions[chr(i)].width = 16 |
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ws.column_dimensions['J'].width = 1.5 |
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# merge cell |
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ws.merge_cells('C12:H12') |
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ws.merge_cells('C24:I24') |
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# Font |
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notice_font = Font(name='Arial', size=20, bold=True) |
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name_font = Font(name='Arial', size=12, bold=True) |
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title_font = Font(name='Arial', size=11, bold=True) |
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table_fill = PatternFill(fill_type='solid', fgColor='90ee90') |
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f_border = Border(left=Side(border_style='medium'), |
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right=Side(border_style='medium'), |
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bottom=Side(border_style='medium'), |
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top=Side(border_style='medium') |
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) |
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c_c_alignment = Alignment(vertical='center', |
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horizontal='center', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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b_r_alignment = Alignment(vertical='bottom', |
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horizontal='right', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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b_l_alignment = Alignment(vertical='bottom', |
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horizontal='left', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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ws['C12'].font = notice_font |
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ws['C12'].alignment = c_c_alignment |
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ws['C12'] = _('Payment Notice') |
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# img |
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img = Image("excelexporters/myemslogo.png") |
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img.width = 117 |
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img.height = 117 |
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ws.add_image(img, 'I12') |
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if "tenant" not in report.keys() or \ |
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report['tenant'] is None or \ |
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'lease_number' not in report['tenant'].keys() or \ |
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report['tenant']['lease_number'] is None: |
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ws.row_dimensions[24].height = 0.1 |
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else: |
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ws['B24'].font = name_font |
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ws['B24'].alignment = b_r_alignment |
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ws['B24'] = _('Lease Number') + ':' |
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ws['C24'].alignment = b_l_alignment |
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ws['C24'].font = name_font |
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ws['C24'] = report['tenant']['lease_number'] |
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if "tenant" not in report.keys() or \ |
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report['tenant'] is None: |
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for i in range(36, 41 + 1): |
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ws.row_dimensions[i].height = 0.1 |
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else: |
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report_tenant_data = report['tenant'] |
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for i in range(36, 41 + 1): |
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ws.merge_cells('C{}:D{}'.format(i, i)) |
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ws['C' + str(i)].alignment = b_l_alignment |
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ws['C' + str(i)].font = name_font |
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ws['C36'] = report_tenant_data['name'] |
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ws.merge_cells('E36:I36') |
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ws['C37'] = report_tenant_data['rooms'] |
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ws['C38'] = report_tenant_data['floors'] |
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ws['C39'] = report_tenant_data['buildings'] |
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ws['C40'] = report_tenant_data['email'] |
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ws['C41'] = report_tenant_data['phone'] |
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for i in range(37, 41 + 1): |
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ws.merge_cells('E{}:G{}'.format(i, i)) |
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ws.merge_cells('H{}:I{}'.format(i, i)) |
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ws['E' + str(i)].alignment = b_r_alignment |
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ws['E' + str(i)].font = name_font |
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ws['H' + str(i)].alignment = b_l_alignment |
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ws['H' + str(i)].font = name_font |
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ws['E37'] = _('Bill Number') + ':' |
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ws['E38'] = _('Lease Contract Number') + ':' |
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ws['E39'] = _('Bill Date') + ':' |
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ws['E40'] = _('Payment Due Date') + ':' |
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ws['E41'] = _('Amount Payable') + ':' |
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# Simulated data |
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ws['H37'] = '' |
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ws['H38'] = report_tenant_data['lease_number'] |
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ws['H39'] = datetime.datetime.strptime(reporting_start_datetime_local, '%Y-%m-%dT%H:%M:%S').isoformat()[0:10] |
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ws['H40'] = datetime.datetime.strptime(reporting_end_datetime_local, '%Y-%m-%dT%H:%M:%S').isoformat()[0:10] |
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ws['H41'] = report['reporting_period']['currency_unit'] + \ |
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str(round2(report['reporting_period']['total_cost'] |
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if 'reporting_period' in report.keys() |
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and 'total_cost' in report['reporting_period'].keys() |
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and report['reporting_period']['total_cost'] is not None |
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else 0, 2)) |
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if 'reporting_period' not in report.keys() \ |
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or report['reporting_period'] is None: |
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pass |
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else: |
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ws.row_dimensions[53].height = 25.0 |
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for i in range(ord('B'), ord('J')): |
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ws[chr(i) + '53'].fill = table_fill |
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ws[chr(i) + '53'].font = title_font |
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ws[chr(i) + '53'].alignment = c_c_alignment |
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ws[chr(i) + '53'].border = f_border |
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ws['B53'] = _('Energy Category') |
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ws['C53'] = _('Billing Period Start') |
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ws['D53'] = _('Billing Period End') |
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ws['E53'] = _('Quantity') |
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ws['F53'] = _('Unit') |
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ws['G53'] = _('Amount') |
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ws['H53'] = _('Tax Rate') |
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ws['I53'] = _('VAT Output Tax') |
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reporting_period_data = report['reporting_period'] |
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names = reporting_period_data['names'] |
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ca_len = len(names) if names is not None else 0 |
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for i in range(54, 54 + ca_len): |
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ws.row_dimensions[i].height = 20.0 |
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for j in range(ord('B'), ord('J')): |
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ws[chr(j) + str(i)].font = title_font |
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ws[chr(j) + str(i)].alignment = c_c_alignment |
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ws[chr(j) + str(i)].border = f_border |
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if chr(j) == 'B': |
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ws[chr(j) + str(i)] = reporting_period_data['names'][i - 54] |
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elif chr(j) == 'C': |
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ws[chr(j) + str(i)] = datetime.datetime.strptime(reporting_start_datetime_local, |
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'%Y-%m-%dT%H:%M:%S').isoformat()[0:10] |
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elif chr(j) == 'D': |
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ws[chr(j) + str(i)] = datetime.datetime.strptime(reporting_end_datetime_local, |
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'%Y-%m-%dT%H:%M:%S').isoformat()[0:10] |
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elif chr(j) == 'E': |
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ws[chr(j) + str(i)] = round2(reporting_period_data['subtotals_input'][i - 54], 3) |
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elif chr(j) == 'F': |
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ws[chr(j) + str(i)] = reporting_period_data['units'][i - 54] |
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elif chr(j) == 'G': |
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ws[chr(j) + str(i)] = round2(reporting_period_data['subtotals_cost'][i - 54], 2) |
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elif chr(j) == 'H': |
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# Simulated data |
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ws[chr(j) + str(i)] = 0 |
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elif chr(j) == 'I': |
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# Simulated data |
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ws[chr(j) + str(i)] = 0 |
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264
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265
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ws.row_dimensions[54 + ca_len].height = 10.0 |
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ws.merge_cells('B{}:H{}'.format((54 + ca_len), (54 + ca_len))) |
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267
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268
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current_row_number = 54 + ca_len + 1 |
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for i in range(current_row_number, current_row_number + 3): |
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270
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ws.row_dimensions[i].height = 20.0 |
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271
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ws['B' + str(i)].alignment = b_r_alignment |
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272
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ws['B' + str(i)].font = name_font |
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273
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ws['H' + str(i)].alignment = b_l_alignment |
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274
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ws['H' + str(i)].font = name_font |
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275
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ws.merge_cells('B{}:G{}'.format(i, i)) |
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276
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ws.merge_cells('H{}:I{}'.format(i, i)) |
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277
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278
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ws['B' + str(current_row_number)] = _('Subtotal') + ':' |
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279
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ws['H' + str(current_row_number)] = report['reporting_period']['currency_unit'] + str( |
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280
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round2(report['reporting_period']['total_cost'] |
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281
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if 'reporting_period' in report.keys() |
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282
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and 'total_cost' in report['reporting_period'].keys() |
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283
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and report['reporting_period']['total_cost'] is not None |
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284
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else 0, 2)) |
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285
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286
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current_row_number += 1 |
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287
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288
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# Simulated data |
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289
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taxes = Decimal(0.00) |
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290
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291
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ws['B' + str(current_row_number)] = _('VAT Output Tax') + ':' |
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292
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ws['H' + str(current_row_number)] = report['reporting_period']['currency_unit'] + str(round2(taxes, 2)) |
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293
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|
|
294
|
|
|
current_row_number += 1 |
|
295
|
|
|
|
|
296
|
|
|
ws['B' + str(current_row_number)] = _('Total Amount Payable') + ':' |
|
297
|
|
|
ws['H' + str(current_row_number)] = report['reporting_period']['currency_unit'] + str( |
|
298
|
|
|
round2(report['reporting_period']['total_cost'] + taxes |
|
299
|
|
|
if 'reporting_period' in report.keys() |
|
300
|
|
|
and 'total_cost' in report['reporting_period'].keys() |
|
301
|
|
|
and report['reporting_period']['total_cost'] is not None |
|
302
|
|
|
else 0 + taxes, 2)) |
|
303
|
|
|
|
|
304
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
|
305
|
|
|
wb.save(filename) |
|
306
|
|
|
|
|
307
|
|
|
return filename |
|
308
|
|
|
|
MyEMS /
myems
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