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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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LineChart, |
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Reference, |
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) |
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from openpyxl.chart.label import DataLabelList |
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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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#################################################################################################################### |
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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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#################################################################################################################### |
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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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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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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=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=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=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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# img = Image("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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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['G3'].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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ws.merge_cells("G3:H3") |
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if "reporting_period" not in report.keys() or \ |
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"names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 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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# First: 统计分析 |
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# 6: title |
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# 7: table title |
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# 8~2*ca_len table_data |
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################################################# |
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reporting_period_data = report['reporting_period'] |
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has_energy_data_flag = True |
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if "names" not in reporting_period_data.keys() or \ |
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reporting_period_data['names'] is None or \ |
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len(reporting_period_data['names']) == 0: |
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has_energy_data_flag = False |
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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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View Code Duplication |
if has_energy_data_flag: |
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ws['B6'].font = title_font |
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ws['B6'] = name + ' 统计分析' |
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category = reporting_period_data['names'] |
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# table_title |
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ws['B7'].fill = table_fill |
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ws['B7'].font = title_font |
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ws['B7'].alignment = c_c_alignment |
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ws['B7'] = '报告期' |
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ws['B7'].border = f_border |
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ws['C7'].font = title_font |
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ws['C7'].alignment = c_c_alignment |
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ws['C7'] = '平均负荷' |
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ws['C7'].border = f_border |
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ws['D7'].font = title_font |
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ws['D7'].alignment = c_c_alignment |
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ws['D7'] = '最大负荷' |
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ws['D7'].border = f_border |
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ws['E7'].font = title_font |
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ws['E7'].alignment = c_c_alignment |
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ws['E7'] = '负荷系数' |
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ws['E7'].border = f_border |
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# table_data |
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for i, value in enumerate(category): |
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row = i * 2 + 8 |
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ws['B' + str(row)].font = name_font |
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ws['B' + str(row)].alignment = c_c_alignment |
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ws['B' + str(row)] = reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + "/H )" |
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ws['B' + str(row)].border = f_border |
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ws['B' + str(row + 1)].font = name_font |
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ws['B' + str(row + 1)].alignment = c_c_alignment |
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ws['B' + str(row + 1)] = "环比" |
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ws['B' + str(row + 1)].border = f_border |
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ws['C' + str(row)].font = name_font |
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ws['C' + str(row)].alignment = c_c_alignment |
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ws['C' + str(row)] = round(reporting_period_data['averages'][i], 2) \ |
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if reporting_period_data['averages'][i] is not None else '' |
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ws['C' + str(row)].border = f_border |
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ws['C' + str(row)].number_format = '0.00' |
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ws['C' + str(row + 1)].font = name_font |
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ws['C' + str(row + 1)].alignment = c_c_alignment |
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ws['C' + str(row + 1)] = str(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 '0.00%' |
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ws['C' + str(row + 1)].border = f_border |
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ws['D' + str(row)].font = name_font |
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ws['D' + str(row)].alignment = c_c_alignment |
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ws['D' + str(row)] = round(reporting_period_data['maximums'][i], 2) \ |
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if reporting_period_data['maximums'][i] is not None else '' |
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ws['D' + str(row)].border = f_border |
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ws['D' + str(row)].number_format = '0.00' |
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ws['D' + str(row + 1)].font = name_font |
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ws['D' + str(row + 1)].alignment = c_c_alignment |
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ws['D' + str(row + 1)] = str(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 '0.00%' |
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ws['D' + str(row + 1)].border = f_border |
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ws['E' + str(row)].font = name_font |
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ws['E' + str(row)].alignment = c_c_alignment |
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ws['E' + str(row)] = round(reporting_period_data['factors'][i], 2) \ |
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if reporting_period_data['factors'][i] is not None else '' |
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ws['E' + str(row)].border = f_border |
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ws['E' + str(row)].number_format = '0.00' |
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ws['E' + str(row + 1)].font = name_font |
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ws['E' + str(row + 1)].alignment = c_c_alignment |
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ws['E' + str(row + 1)] = str(round(reporting_period_data['factors_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['factors_increment_rate'][i] is not None else '0.00%' |
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ws['E' + str(row + 1)].border = f_border |
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######################################################## |
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# Third: 详细数据 |
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# row_sat~ row_sat + 6*cal_len: line |
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# row_da: table title |
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# row_da + 1~: table_data |
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######################################################## |
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has_timestamps_flag = True |
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if "timestamps" not in reporting_period_data.keys() or \ |
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reporting_period_data['timestamps'] is None or \ |
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len(reporting_period_data['timestamps']) == 0: |
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has_timestamps_flag = False |
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View Code Duplication |
if has_timestamps_flag: |
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timestamps = reporting_period_data['timestamps'][0] |
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names = reporting_period_data['names'] |
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ca_len = len(names) |
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time_len = len(timestamps) |
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# row_lines == the number of rows of lines |
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row_lines = 6 * ca_len |
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# row_sat == the number of rows of statistical analysis table |
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row_sat = 9 + 2 * ca_len |
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# row_da == the number of rows of Detailed data |
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row_da = row_sat + row_lines + 1 |
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ws['B' + str(row_da)].font = title_font |
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ws['B' + str(row_da)] = name + ' 详细数据' |
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# table_title |
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ws['B' + str(row_da + 1)].fill = table_fill |
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ws['B' + str(row_da + 1)].font = name_font |
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ws['B' + str(row_da + 1)].alignment = c_c_alignment |
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ws['B' + str(row_da + 1)] = "日期时间" |
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ws['B' + str(row_da + 1)].border = f_border |
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for i in range(0, ca_len): |
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col_average = chr(ord('C') + 2 * i) |
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col_maximum = chr(ord('D') + 2 * i) |
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ws[col_average + str(row_da + 1)].font = name_font |
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ws[col_average + str(row_da + 1)].alignment = c_c_alignment |
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ws[col_average + str(row_da + 1)] = names[i] + " 平均负荷(" + reporting_period_data['units'][ |
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i] + "/H)" |
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ws[col_average + str(row_da + 1)].border = f_border |
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ws[col_maximum + str(row_da + 1)].font = name_font |
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ws[col_maximum + str(row_da + 1)].alignment = c_c_alignment |
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ws[col_maximum + str(row_da + 1)] = names[i] + " 最大负荷(" + reporting_period_data['units'][ |
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i] + "/H)" |
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ws[col_maximum + str(row_da + 1)].border = f_border |
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# table_date |
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for i in range(0, time_len): |
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rows = i + row_da + 2 |
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ws['B' + str(rows)].font = name_font |
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ws['B' + str(rows)].alignment = c_c_alignment |
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ws['B' + str(rows)] = timestamps[i] |
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ws['B' + str(rows)].border = f_border |
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for index in range(0, ca_len): |
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col_average = chr(ord('C') + 2 * index) |
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col_maximum = chr(ord('D') + 2 * index) |
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ws[col_average + str(rows)].font = name_font |
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ws[col_average + str(rows)].alignment = c_c_alignment |
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ws[col_average + str(rows)] = reporting_period_data['sub_averages'][index][i] \ |
327
|
|
|
if reporting_period_data['sub_maximums'][index] is not None else '' |
328
|
|
|
ws[col_average + str(rows)].number_format = '0.00' |
329
|
|
|
ws[col_average + str(rows)].border = f_border |
330
|
|
|
|
331
|
|
|
ws[col_maximum + str(rows)].font = name_font |
332
|
|
|
ws[col_maximum + str(rows)].alignment = c_c_alignment |
333
|
|
|
ws[col_maximum + str(rows)] = reporting_period_data['sub_maximums'][index][i] \ |
334
|
|
|
if reporting_period_data['sub_maximums'][index] is not None else '' |
335
|
|
|
ws[col_maximum + str(rows)].number_format = '0.00' |
336
|
|
|
ws[col_maximum + str(rows)].border = f_border |
337
|
|
|
|
338
|
|
|
# LineChart |
339
|
|
|
for i in range(0, ca_len): |
340
|
|
|
lc = LineChart() |
341
|
|
|
lc.title = "报告期 最大负荷" |
342
|
|
|
lc.style = 10 |
343
|
|
|
lc.x_axis.majorTickMark = 'in' |
344
|
|
|
lc.y_axis.majorTickMark = 'in' |
345
|
|
|
lc.smooth = True |
346
|
|
|
lc.x_axis.crosses = 'min' |
347
|
|
|
lc.height = 8.25 |
348
|
|
|
lc.width = 24 |
349
|
|
|
lc.dLbls = DataLabelList() |
350
|
|
|
lc.dLbls.dLblPos = 't' |
351
|
|
|
lc.dLbls.showVal = True |
352
|
|
|
times = Reference(ws, min_col=2, min_row=row_da + 2, |
353
|
|
|
max_row=row_da + 2 + time_len) |
354
|
|
|
lc_data = Reference(ws, min_col=2 + 2 * (i+1), min_row=row_da + 1, |
355
|
|
|
max_row=row_da + 1 + time_len) |
356
|
|
|
lc.add_data(lc_data, titles_from_data=True) |
357
|
|
|
lc.set_categories(times) |
358
|
|
|
ser = lc.series[0] |
359
|
|
|
ser.marker.symbol = "diamond" |
360
|
|
|
ser.marker.size = 5 |
361
|
|
|
chart_col = 'B' |
362
|
|
|
chart_cell = str(row_sat + 6 * i) |
363
|
|
|
ws.add_chart(lc, chart_col + chart_cell) |
364
|
|
|
|
365
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
366
|
|
|
wb.save(filename) |
367
|
|
|
|
368
|
|
|
return filename |
369
|
|
|
|