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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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PieChart, |
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BarChart, |
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Reference, |
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) |
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from openpyxl.styles import PatternFill, Border, Side, Alignment, 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 excel file |
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# Step 3: Encode the excel file bytes 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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#################################################################################################################### |
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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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print(report) |
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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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#################################################################################################################### |
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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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View Code Duplication |
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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# todo |
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ws = wb.active |
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# Row height |
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ws.row_dimensions[1].height = 118 |
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for i in range(2, 2000 + 1): |
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ws.row_dimensions[i].height = 30 |
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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('I')): |
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ws.column_dimensions[chr(i)].width = 18 |
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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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table_title_font = Font(name='宋体', size=10, 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=False, |
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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=False, |
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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=False, |
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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=False, |
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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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ws.add_image(img, 'B1') |
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# Title |
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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.merge_cells("G3:J3") |
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for i in range(ord('G'), ord('K')): |
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ws[chr(i) + '3'].border = b_border |
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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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if "reporting_period" not in report.keys() or \ |
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"timestamps" not in report['reporting_period'].keys() or len(report['reporting_period']['timestamps']) == 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_names_data_flag = True |
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if "names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 0: |
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has_names_data_flag = False |
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current_row_number = 6 |
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if has_names_data_flag: |
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reporting_period_data = report['reporting_period'] |
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category = reporting_period_data['names'] |
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ca_len = len(category) |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)] = name + '报告期平均负荷' |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].fill = table_fill |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].fill = table_fill |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = reporting_period_data['names'][i] + \ |
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" (" + reporting_period_data['units'][i] + "/H)" |
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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)] = '平均负荷' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = round(reporting_period_data['averages'][i], 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)] = '单位面积值' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = round(reporting_period_data['averages_per_unit_area'][i], 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)] = '环比' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = str( |
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round(reporting_period_data['averages_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['averages_increment_rate'][i] is not None else "-" |
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current_row_number += 2 |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)] = name + '报告期最大负荷' |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].fill = table_fill |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].fill = table_fill |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = reporting_period_data['names'][i] + \ |
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" (" + reporting_period_data['units'][i] + "/H)" |
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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)] = '最大负荷' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = round(reporting_period_data['maximums'][i], 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)] = '单位面积值' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = round(reporting_period_data['maximums_per_unit_area'][i], 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)] = '环比' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = str( |
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round(reporting_period_data['maximums_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['maximums_increment_rate'][i] is not None else "-" |
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current_row_number += 2 |
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ws['B' + str(current_row_number)].font = title_font |
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ws['B' + str(current_row_number)] = name + '报告期负荷系数' |
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current_row_number += 1 |
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ws['B' + str(current_row_number)].fill = table_fill |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].fill = table_fill |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = reporting_period_data['names'][i] |
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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)] = '负荷系数' |
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for i in range(0, ca_len): |
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col = chr(ord('C') + i) |
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ws[col + str(current_row_number)].font = name_font |
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ws[col + str(current_row_number)].alignment = c_c_alignment |
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ws[col + str(current_row_number)].border = f_border |
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ws[col + str(current_row_number)] = round(reporting_period_data['factors'][i], 2) \ |
322
|
|
|
if reporting_period_data['factors'][i] is not None else '-' |
323
|
|
|
|
324
|
|
|
current_row_number += 1 |
325
|
|
|
|
326
|
|
|
ws['B' + str(current_row_number)].font = title_font |
327
|
|
|
ws['B' + str(current_row_number)].alignment = c_c_alignment |
328
|
|
|
ws['B' + str(current_row_number)].border = f_border |
329
|
|
|
ws['B' + str(current_row_number)] = '环比' |
330
|
|
|
|
331
|
|
|
for i in range(0, ca_len): |
332
|
|
|
col = chr(ord('C') + i) |
333
|
|
|
ws[col + str(current_row_number)].font = name_font |
334
|
|
|
ws[col + str(current_row_number)].alignment = c_c_alignment |
335
|
|
|
ws[col + str(current_row_number)].border = f_border |
336
|
|
|
ws[col + str(current_row_number)] = str( |
337
|
|
|
round(reporting_period_data['factors_increment_rate'][i] * 100, 2)) + "%" \ |
338
|
|
|
if reporting_period_data['factors_increment_rate'][i] is not None else "-" |
339
|
|
|
|
340
|
|
|
current_row_number += 2 |
341
|
|
|
|
342
|
|
|
has_sub_averages_data_flag = True |
343
|
|
|
has_sub_maximums_data_flag = True |
344
|
|
|
|
345
|
|
|
if "sub_averages" not in report['reporting_period'].keys() or len(report['reporting_period']['sub_averages']) == 0: |
346
|
|
|
has_sub_averages_data_flag = False |
347
|
|
|
|
348
|
|
|
if "sub_averages" not in report['reporting_period'].keys() or len(report['reporting_period']['sub_averages']) == 0: |
349
|
|
|
has_sub_maximums_data_flag = False |
350
|
|
|
|
351
|
|
|
if has_sub_averages_data_flag or has_sub_maximums_data_flag: |
352
|
|
|
reporting_period_data = report['reporting_period'] |
353
|
|
|
category = reporting_period_data['names'] |
354
|
|
|
ca_len = len(category) |
355
|
|
|
times = reporting_period_data['timestamps'] |
356
|
|
|
time = times[0] |
357
|
|
|
|
358
|
|
|
ws['B' + str(current_row_number)].font = title_font |
359
|
|
|
ws['B' + str(current_row_number)] = name + '详细数据' |
360
|
|
|
|
361
|
|
|
current_row_number += 1 |
362
|
|
|
chart_start_number = current_row_number |
363
|
|
|
|
364
|
|
|
if has_sub_averages_data_flag: |
365
|
|
|
current_row_number = (current_row_number + ca_len * 5) |
366
|
|
|
|
367
|
|
|
if has_sub_maximums_data_flag: |
368
|
|
|
current_row_number = (current_row_number + ca_len * 5) |
369
|
|
|
|
370
|
|
|
table_start_number = current_row_number |
371
|
|
|
|
372
|
|
|
ws['B' + str(current_row_number)].fill = table_fill |
373
|
|
|
ws['B' + str(current_row_number)].font = title_font |
374
|
|
|
ws['B' + str(current_row_number)].alignment = c_c_alignment |
375
|
|
|
ws['B' + str(current_row_number)].border = f_border |
376
|
|
|
ws['B' + str(current_row_number)] = '日期时间' |
377
|
|
|
|
378
|
|
|
col = 'C' |
379
|
|
|
|
380
|
|
|
for i in range(0, ca_len): |
381
|
|
|
if has_sub_averages_data_flag: |
382
|
|
|
ws[col + str(current_row_number)].fill = table_fill |
383
|
|
|
ws[col + str(current_row_number)].font = table_title_font |
384
|
|
|
ws[col + str(current_row_number)].alignment = c_c_alignment |
385
|
|
|
ws[col + str(current_row_number)].border = f_border |
386
|
|
|
ws[col + str(current_row_number)] = reporting_period_data['names'][i] + \ |
387
|
|
|
" 平均负荷(" + reporting_period_data['units'][i] + "/H)" |
388
|
|
|
col = chr(ord(col) + 1) |
389
|
|
|
|
390
|
|
|
if has_sub_maximums_data_flag: |
391
|
|
|
ws[col + str(current_row_number)].fill = table_fill |
392
|
|
|
ws[col + str(current_row_number)].font = table_title_font |
393
|
|
|
ws[col + str(current_row_number)].alignment = c_c_alignment |
394
|
|
|
ws[col + str(current_row_number)].border = f_border |
395
|
|
|
ws[col + str(current_row_number)] = reporting_period_data['names'][i] + \ |
396
|
|
|
" 最大负荷(" + reporting_period_data['units'][i] + "/H)" |
397
|
|
|
col = chr(ord(col) + 1) |
398
|
|
|
|
399
|
|
|
current_row_number += 1 |
400
|
|
|
|
401
|
|
|
for i in range(0, len(time)): |
402
|
|
|
ws['B' + str(current_row_number)].font = title_font |
403
|
|
|
ws['B' + str(current_row_number)].alignment = c_c_alignment |
404
|
|
|
ws['B' + str(current_row_number)].border = f_border |
405
|
|
|
ws['B' + str(current_row_number)] = time[i] |
406
|
|
|
|
407
|
|
|
col = 'C' |
408
|
|
|
for j in range(0, ca_len): |
409
|
|
|
|
410
|
|
|
if has_sub_averages_data_flag: |
411
|
|
|
ws[col + str(current_row_number)].font = title_font |
412
|
|
|
ws[col + str(current_row_number)].alignment = c_c_alignment |
413
|
|
|
ws[col + str(current_row_number)].border = f_border |
414
|
|
|
ws[col + str(current_row_number)] = round(reporting_period_data['sub_averages'][j][i], 2) \ |
415
|
|
|
if reporting_period_data['sub_averages'][j][i] is not None else 0.00 |
416
|
|
|
col = chr(ord(col) + 1) |
417
|
|
|
|
418
|
|
|
if has_sub_maximums_data_flag: |
419
|
|
|
ws[col + str(current_row_number)].font = title_font |
420
|
|
|
ws[col + str(current_row_number)].alignment = c_c_alignment |
421
|
|
|
ws[col + str(current_row_number)].border = f_border |
422
|
|
|
ws[col + str(current_row_number)] = round(reporting_period_data['sub_maximums'][j][i], 2) \ |
423
|
|
|
if reporting_period_data['sub_maximums'][j][i] is not None else 0.00 |
424
|
|
|
col = chr(ord(col) + 1) |
425
|
|
|
|
426
|
|
|
current_row_number += 1 |
427
|
|
|
|
428
|
|
|
table_end_number = current_row_number - 1 |
429
|
|
|
|
430
|
|
|
current_chart_col_number = 3 |
431
|
|
|
current_chart_row_number = chart_start_number |
432
|
|
|
|
433
|
|
|
for i in range(0, ca_len): |
434
|
|
|
labels = Reference(ws, min_col=2, min_row=table_start_number + 1, max_row=table_end_number) |
435
|
|
|
|
436
|
|
|
if has_sub_averages_data_flag: |
437
|
|
|
bar = BarChart() |
438
|
|
|
datas = Reference(ws, min_col=current_chart_col_number, min_row=table_start_number, |
439
|
|
|
max_row=table_end_number) |
440
|
|
|
bar.add_data(datas, titles_from_data=True) |
441
|
|
|
bar.set_categories(labels) |
442
|
|
|
bar.height = 5.25 |
443
|
|
|
bar.width = len(time) |
444
|
|
|
bar.dLbls = DataLabelList() |
445
|
|
|
bar.dLbls.showVal = True |
446
|
|
|
ws.add_chart(bar, "B" + str(current_chart_row_number)) |
447
|
|
|
current_chart_row_number += 5 |
448
|
|
|
current_chart_col_number += 1 |
449
|
|
|
|
450
|
|
|
if has_sub_maximums_data_flag: |
451
|
|
|
bar = BarChart() |
452
|
|
|
datas = Reference(ws, min_col=current_chart_col_number, min_row=table_start_number, |
453
|
|
|
max_row=table_end_number) |
454
|
|
|
bar.add_data(datas, titles_from_data=True) |
455
|
|
|
bar.set_categories(labels) |
456
|
|
|
bar.height = 5.25 |
457
|
|
|
bar.width = len(time) |
458
|
|
|
bar.dLbls = DataLabelList() |
459
|
|
|
bar.dLbls.showVal = True |
460
|
|
|
ws.add_chart(bar, "B" + str(current_chart_row_number)) |
461
|
|
|
current_chart_row_number += 5 |
462
|
|
|
current_chart_col_number += 1 |
463
|
|
|
|
464
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
465
|
|
|
wb.save(filename) |
466
|
|
|
|
467
|
|
|
return filename |
468
|
|
|
|