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import base64 |
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import uuid |
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import os |
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from openpyxl.chart import ( |
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BarChart, |
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LineChart, |
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Reference, |
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) |
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from openpyxl.styles import PatternFill, Border, Side, Alignment, Protection, Font |
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from openpyxl.drawing.image import Image |
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from openpyxl import Workbook |
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from openpyxl.chart.label import DataLabelList |
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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 excelexporters file |
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# Step 3: Encode the excelexporters file to Base64 |
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#################################################################################################################### |
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View Code Duplication |
def export(result, name, reporting_start_datetime_local, reporting_end_datetime_local, period_type): |
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#################################################################################################################### |
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# Step 1: Validate the report data |
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#################################################################################################################### |
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if result 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(result, |
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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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#################################################################################################################### |
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# Step 3: Encode the excel file to Base64 |
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#################################################################################################################### |
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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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pass |
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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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pass |
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return base64_message |
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def generate_excel(report, name, reporting_start_datetime_local, reporting_end_datetime_local, period_type): |
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wb = Workbook() |
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ws = wb.active |
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# Row height |
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ws.row_dimensions[1].height = 102 |
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for i in range(2, 2000 + 1): |
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ws.row_dimensions[i].height = 42 |
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# Col width |
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ws.column_dimensions['A'].width = 1.5 |
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ws.column_dimensions['B'].width = 25.0 |
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for i in range(ord('C'), ord('L')): |
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ws.column_dimensions[chr(i)].width = 15.0 |
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# Font |
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name_font = Font(name='Constantia', size=15, bold=True) |
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title_font = Font(name='宋体', size=15, bold=True) |
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data_font = Font(name='Franklin Gothic Book', size=11) |
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table_fill = PatternFill(fill_type='solid', fgColor='1F497D') |
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f_border = Border(left=Side(border_style='medium', color='00000000'), |
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right=Side(border_style='medium', color='00000000'), |
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bottom=Side(border_style='medium', color='00000000'), |
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top=Side(border_style='medium', color='00000000') |
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) |
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b_border = Border( |
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bottom=Side(border_style='medium', color='00000000'), |
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) |
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b_c_alignment = Alignment(vertical='bottom', |
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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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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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c_r_alignment = Alignment(vertical='bottom', |
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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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# Img |
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img = Image("excelexporters/myems.png") |
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img.width = img.width * 0.85 |
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img.height = img.height * 0.85 |
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# img = Image("myems.png") |
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ws.add_image(img, 'B1') |
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# Title |
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ws.row_dimensions[3].height = 60 |
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ws['B3'].font = name_font |
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ws['B3'].alignment = b_r_alignment |
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ws['B3'] = 'Name:' |
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ws['C3'].border = b_border |
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ws['C3'].alignment = b_c_alignment |
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ws['C3'].font = name_font |
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ws['C3'] = name |
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ws['D3'].font = name_font |
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ws['D3'].alignment = b_r_alignment |
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ws['D3'] = 'Period:' |
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ws['E3'].border = b_border |
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ws['E3'].alignment = b_c_alignment |
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ws['E3'].font = name_font |
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ws['E3'] = period_type |
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ws['F3'].font = name_font |
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ws['F3'].alignment = b_r_alignment |
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ws['F3'] = 'Date:' |
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ws['G3'].alignment = b_c_alignment |
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ws['G3'].font = name_font |
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ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local |
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ws.merge_cells("G3:H3") |
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if "reporting_period" not in report.keys() or \ |
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"difference_values" not in report['reporting_period'].keys() or \ |
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len(report['reporting_period']['difference_values']) == 0: |
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filename = str(uuid.uuid4()) + '.xlsx' |
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wb.save(filename) |
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return filename |
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################################################# |
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has_difference_values_data_flag = True |
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if 'difference_values' not in report['reporting_period'].keys() or len( |
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report['reporting_period']['difference_values']) == 0: |
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has_difference_values_data_flag = False |
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current_row_number = 6 |
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if has_difference_values_data_flag: |
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reporting_period_data = report['reporting_period'] |
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category = report['meter']['energy_category_name'] |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)] = name + ' 报告期' |
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current_row_number += 1 |
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ws.row_dimensions[current_row_number].height = 60 |
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ws['B' + str(current_row_number)].fill = table_fill |
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ws['B' + str(current_row_number)].border = f_border |
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if not isinstance(category, list): |
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ws['C' + str(current_row_number)].fill = table_fill |
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ws['C' + str(current_row_number)].font = name_font |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)] = report['meter']['energy_category_name'] + " (" + report['meter'][ |
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'unit_of_measure'] + ")" |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)].alignment = c_c_alignment |
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ws['B' + str(current_row_number)].border = f_border |
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ws['B' + str(current_row_number)] = '总表消耗' |
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ws['C' + str(current_row_number)].font = name_font |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)] = round(reporting_period_data['master_meter_consumption_in_category'], 2) |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)].alignment = c_c_alignment |
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ws['B' + str(current_row_number)].border = f_border |
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ws['B' + str(current_row_number)] = '分表消耗' |
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ws['C' + str(current_row_number)].font = name_font |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)] = round(reporting_period_data['submeters_consumption_in_category'], 2) |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)].alignment = c_c_alignment |
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ws['B' + str(current_row_number)].border = f_border |
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ws['B' + str(current_row_number)] = '差值' |
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ws['C' + str(current_row_number)].font = name_font |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)] = round(reporting_period_data['difference_in_category'], 2) |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)].alignment = c_c_alignment |
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ws['B' + str(current_row_number)].border = f_border |
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ws['B' + str(current_row_number)] = '差值百分比' |
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ws['C' + str(current_row_number)].font = name_font |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)] = str( |
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round(reporting_period_data['percentage_difference'] * 100, 2)) + '%' |
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current_row_number += 2 |
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time = reporting_period_data['timestamps'] |
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has_time_data_flag = False |
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if time is not None and len(time) > 0: |
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has_time_data_flag = True |
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if has_time_data_flag: |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)] = name + ' 详细数据' |
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current_row_number += 1 |
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chart_start_number = current_row_number |
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current_row_number = current_row_number + 6 |
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table_start_number = current_row_number |
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ws.row_dimensions[current_row_number].height = 60 |
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ws['B' + str(current_row_number)].fill = table_fill |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)].border = f_border |
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ws['B' + str(current_row_number)].alignment = c_c_alignment |
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ws['B' + str(current_row_number)] = '日期时间' |
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ws['C' + str(current_row_number)].fill = table_fill |
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ws['C' + str(current_row_number)].font = title_font |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)] = report['meter']['energy_category_name'] + " (" + report['meter'][ |
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'unit_of_measure'] + ")" |
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current_row_number += 1 |
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for i in range(0, len(time)): |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)].border = f_border |
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ws['B' + str(current_row_number)].alignment = c_c_alignment |
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ws['B' + str(current_row_number)] = time[i] |
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ws['C' + str(current_row_number)].font = title_font |
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ws['C' + str(current_row_number)].border = f_border |
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ws['C' + str(current_row_number)].alignment = c_c_alignment |
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ws['C' + str(current_row_number)] = round(reporting_period_data['difference_values'][i], 2) |
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current_row_number += 1 |
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table_end_number = current_row_number - 1 |
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284
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line = LineChart() |
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line.title = '报告期差值 - ' + report['meter']['energy_category_name'] + " (" + report['meter'][ |
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'unit_of_measure'] + ")" |
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labels = Reference(ws, min_col=2, min_row=table_start_number + 1, max_row=table_end_number) |
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line_data = Reference(ws, min_col=3, min_row=table_start_number, max_row=table_end_number) |
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|
|
line.add_data(line_data, titles_from_data=True) |
|
290
|
|
|
line.set_categories(labels) |
|
291
|
|
|
line_data = line.series[0] |
|
292
|
|
|
line_data.marker.symbol = "circle" |
|
293
|
|
|
line_data.smooth = True |
|
294
|
|
|
line.x_axis.crosses = 'min' |
|
295
|
|
|
line.height = 8.25 |
|
296
|
|
|
line.width = 24 |
|
297
|
|
|
line.dLbls = DataLabelList() |
|
298
|
|
|
line.dLbls.dLblPos = 't' |
|
299
|
|
|
line.dLbls.showVal = True # 数量显示 |
|
300
|
|
|
ws.add_chart(line, "B" + str(chart_start_number)) |
|
301
|
|
|
|
|
302
|
|
|
ws['B' + str(current_row_number)].font = title_font |
|
303
|
|
|
ws['B' + str(current_row_number)].border = f_border |
|
304
|
|
|
ws['B' + str(current_row_number)].alignment = c_c_alignment |
|
305
|
|
|
ws['B' + str(current_row_number)] = '总计' |
|
306
|
|
|
|
|
307
|
|
|
ws['C' + str(current_row_number)].font = title_font |
|
308
|
|
|
ws['C' + str(current_row_number)].border = f_border |
|
309
|
|
|
ws['C' + str(current_row_number)].alignment = c_c_alignment |
|
310
|
|
|
ws['C' + str(current_row_number)] = round(reporting_period_data['master_meter_consumption_in_category'] |
|
311
|
|
|
, 2) |
|
312
|
|
|
|
|
313
|
|
|
else: |
|
314
|
|
|
pass |
|
315
|
|
|
|
|
316
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
|
317
|
|
|
wb.save(filename) |
|
318
|
|
|
|
|
319
|
|
|
return filename |
|
320
|
|
|
|