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import base64 |
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import os |
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import uuid |
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from openpyxl import Workbook |
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from openpyxl.chart import LineChart, Reference, Series |
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from openpyxl.chart.label import DataLabelList |
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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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######################################################################################################################## |
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# PROCEDURES |
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# Step 1: Validate the report data |
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# Step 2: Generate excel file from the report data |
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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, 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 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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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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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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ws.title = "VirtualMeterSaving" |
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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='Arial', size=15, bold=True) |
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title_font = Font(name='Arial', size=15, bold=True) |
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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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# Img |
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img = Image("excelexporters/myems.png") |
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ws.add_image(img, 'A1') |
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# Title |
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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'] = name |
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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'] = period_type |
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ws['B4'].alignment = b_r_alignment |
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ws['B4'] = 'Reporting Start Datetime:' |
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ws['C4'].border = b_border |
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ws['C4'].alignment = b_c_alignment |
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ws['C4'] = reporting_start_datetime_local |
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ws['D4'].alignment = b_r_alignment |
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ws['D4'] = 'Reporting End Datetime:' |
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ws['E4'].border = b_border |
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ws['E4'].alignment = b_c_alignment |
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ws['E4'] = reporting_end_datetime_local |
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if "reporting_period" not in report.keys() or \ |
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"values_saving" not in report['reporting_period'].keys() or \ |
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len(report['reporting_period']['values_saving']) == 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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if "values_saving" not in report['reporting_period'].keys() or \ |
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len(report['reporting_period']['values_saving']) == 0: |
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for i in range(6, 9 + 1): |
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ws.row_dimensions[i].height = 0.1 |
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else: |
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ws['B6'].font = title_font |
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ws['B6'] = name + 'Reporting Period Saving' |
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reporting_period_data = report['reporting_period'] |
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category = report['virtual_meter']['energy_category_name'] |
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ca_len = len(category) |
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ws.row_dimensions[7].height = 60 |
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ws['B7'].fill = table_fill |
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ws['B7'].border = f_border |
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ws['B8'].font = title_font |
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ws['B8'].alignment = c_c_alignment |
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ws['B8'] = 'Saving' |
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ws['B8'].border = f_border |
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ws['B9'].font = title_font |
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ws['B9'].alignment = c_c_alignment |
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ws['B9'] = 'Increment Rate' |
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ws['B9'].border = f_border |
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col = 'B' |
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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 + '7'].fill = table_fill |
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ws[col + '7'].font = name_font |
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ws[col + '7'].alignment = c_c_alignment |
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ws[col + '7'] = report['virtual_meter']['energy_category_name'] + " (" \ |
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+ report['virtual_meter']['unit_of_measure'] + ")" |
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ws[col + '7'].border = f_border |
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ws[col + '8'].font = name_font |
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ws[col + '8'].alignment = c_c_alignment |
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ws[col + '8'] = round(reporting_period_data['total_in_category_saving'], 2) |
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ws[col + '8'].border = f_border |
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ws[col + '9'].font = name_font |
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ws[col + '9'].alignment = c_c_alignment |
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ws[col + '9'] = str(round(reporting_period_data['increment_rate_saving'] * 100, 2)) + "%" \ |
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if reporting_period_data['increment_rate_saving'] is not None else "-" |
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ws[col + '9'].border = f_border |
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# TCE TCO2E |
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end_col = col |
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# TCE |
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tce_col = chr(ord(end_col) + 1) |
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ws[tce_col + '7'].fill = table_fill |
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ws[tce_col + '7'].font = name_font |
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ws[tce_col + '7'].alignment = c_c_alignment |
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ws[tce_col + '7'] = 'Ton of Standard Coal (TCE) Saving' |
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ws[tce_col + '7'].border = f_border |
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ws[tce_col + '8'].font = name_font |
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ws[tce_col + '8'].alignment = c_c_alignment |
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ws[tce_col + '8'] = round(reporting_period_data['total_in_kgce_saving'] / 1000, 2) |
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ws[tce_col + '8'].border = f_border |
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ws[tce_col + '9'].font = name_font |
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ws[tce_col + '9'].alignment = c_c_alignment |
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ws[tce_col + '9'] = str(round(reporting_period_data['increment_rate_saving'] * 100, 2)) + "%" \ |
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if reporting_period_data['increment_rate_saving'] is not None else "-" |
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ws[tce_col + '9'].border = f_border |
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# TCO2E |
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tco2e_col = chr(ord(end_col) + 2) |
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ws[tco2e_col + '7'].fill = table_fill |
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ws[tco2e_col + '7'].font = name_font |
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ws[tco2e_col + '7'].alignment = c_c_alignment |
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ws[tco2e_col + '7'] = 'Ton of Carbon Dioxide Emissions (TCO2E) Decreased' |
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ws[tco2e_col + '7'].border = f_border |
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ws[tco2e_col + '8'].font = name_font |
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ws[tco2e_col + '8'].alignment = c_c_alignment |
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ws[tco2e_col + '8'] = round(reporting_period_data['total_in_kgco2e_saving'] / 1000, 2) |
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ws[tco2e_col + '8'].border = f_border |
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ws[tco2e_col + '9'].font = name_font |
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ws[tco2e_col + '9'].alignment = c_c_alignment |
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ws[tco2e_col + '9'] = str(round(reporting_period_data['increment_rate_saving'] * 100, 2)) + "%" \ |
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if reporting_period_data['increment_rate_saving'] is not None else "-" |
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ws[tco2e_col + '9'].border = f_border |
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#################################################################################################################### |
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reporting_period_data = report['reporting_period'] |
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category = report['virtual_meter']['energy_category_name'] |
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ca_len = len(category) |
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times = reporting_period_data['timestamps'] |
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if "values_saving" not in reporting_period_data.keys() or len(reporting_period_data['values_saving']) == 0: |
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for i in range(11, 43 + 1): |
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ws.row_dimensions[i].height = 0.0 |
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else: |
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ws['B11'].font = title_font |
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ws['B11'] = name + 'Detailed Data' |
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ws.row_dimensions[18].height = 60 |
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ws['B18'].fill = table_fill |
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ws['B18'].font = title_font |
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ws['B18'].border = f_border |
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ws['B18'].alignment = c_c_alignment |
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ws['B18'] = 'Datetime' |
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time = times |
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has_data = False |
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max_row = 0 |
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if len(time) > 0: |
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has_data = True |
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max_row = 18 + len(time) |
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if has_data: |
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end_data_row_number = 19 |
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for i in range(0, len(time)): |
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col = 'B' |
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end_data_row_number = 19 + i |
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row = str(end_data_row_number) |
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ws[col + row].font = title_font |
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ws[col + row].alignment = c_c_alignment |
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ws[col + row] = time[i] |
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ws[col + row].border = f_border |
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ws['B' + str(end_data_row_number + 1)].font = title_font |
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ws['B' + str(end_data_row_number + 1)].alignment = c_c_alignment |
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ws['B' + str(end_data_row_number + 1)] = 'Total' |
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ws['B' + str(end_data_row_number + 1)].border = f_border |
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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 + '18'].fill = table_fill |
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ws[col + '18'].font = title_font |
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ws[col + '18'].alignment = c_c_alignment |
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ws[col + '18'] = report['virtual_meter']['energy_category_name'] + " (" \ |
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+ report['virtual_meter']['unit_of_measure'] + ")" |
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ws[col + '18'].border = f_border |
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time = times |
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time_len = len(time) |
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for j in range(0, time_len): |
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row = str(19 + j) |
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ws[col + row].font = title_font |
|
296
|
|
|
ws[col + row].alignment = c_c_alignment |
|
297
|
|
|
ws[col + row] = round(reporting_period_data['values_saving'][j], 2) |
|
298
|
|
|
ws[col + row].border = f_border |
|
299
|
|
|
|
|
300
|
|
|
ws[col + str(end_data_row_number + 1)].font = title_font |
|
301
|
|
|
ws[col + str(end_data_row_number + 1)].alignment = c_c_alignment |
|
302
|
|
|
ws[col + str(end_data_row_number + 1)] = round(reporting_period_data['total_in_category_saving'], 2) |
|
303
|
|
|
ws[col + str(end_data_row_number + 1)].border = f_border |
|
304
|
|
|
|
|
305
|
|
|
line = LineChart() |
|
306
|
|
|
labels = Reference(ws, min_col=2, min_row=19, max_row=max_row) |
|
307
|
|
|
line_data = Reference(ws, min_col=3, min_row=18, max_row=max_row) |
|
308
|
|
|
line.series.append(Series(line_data, title_from_data=True)) |
|
309
|
|
|
line.set_categories(labels) |
|
310
|
|
|
line_data = line.series[0] |
|
311
|
|
|
line_data.marker.symbol = "circle" |
|
312
|
|
|
line_data.smooth = True |
|
313
|
|
|
line.x_axis.crosses = 'min' |
|
314
|
|
|
line.title = 'Reporting Period Saving - ' + report['virtual_meter']['energy_category_name'] + \ |
|
315
|
|
|
" (" + report['virtual_meter']['unit_of_measure'] + ")" |
|
316
|
|
|
line.dLbls = DataLabelList() |
|
317
|
|
|
line.dLbls.dLblPos = 't' |
|
318
|
|
|
line.dLbls.showVal = True |
|
319
|
|
|
line.height = 8.25 |
|
320
|
|
|
line.width = 24 |
|
321
|
|
|
ws.add_chart(line, "B12") |
|
322
|
|
|
|
|
323
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
|
324
|
|
|
wb.save(filename) |
|
325
|
|
|
|
|
326
|
|
|
return filename |
|
327
|
|
|
|
MyEMS /
myems
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