350 lines
13 KiB
Python
350 lines
13 KiB
Python
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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BarChart,
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Reference,
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Series
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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 excelexporters file
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# Step 3: Encode the excelexporters file to Base64
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########################################################################################################################
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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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if "reporting_period" not in report.keys() or \
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"values" not in report['reporting_period'].keys() or len(report['reporting_period']['values']) == 0:
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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, 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 = "VirtualMeterCost"
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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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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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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.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'].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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"values" not in report['reporting_period'].keys() or len(report['reporting_period']['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_cost_data_flag = True
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if "values" not in report['reporting_period'].keys() or len(report['reporting_period']['values']) == 0:
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has_cost_data_flag = False
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if has_cost_data_flag:
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ws['B6'].font = title_font
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ws['B6'] = name + '报告期成本'
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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'] = '成本'
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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'] = '环比'
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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'], 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'] * 100, 2)) + "%" \
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if reporting_period_data['increment_rate'] 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'] = "吨标准煤 (TCE)"
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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'] / 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'] * 100, 2)) + "%" \
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if reporting_period_data['increment_rate'] 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'] = "吨二氧化碳排放 (TCO2E)"
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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'] / 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'] * 100, 2)) + "%" \
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if reporting_period_data['increment_rate'] is not None else "-"
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ws[tco2e_col + '9'].border = f_border
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else:
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for i in range(6, 9 + 1):
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ws.rows_dimensions[i].height = 0.1
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####################################################################################################################
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has_cost_detail_flag = True
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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" not in reporting_period_data.keys() or len(reporting_period_data['values']) == 0:
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has_cost_detail_flag = False
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if has_cost_detail_flag:
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ws['B11'].font = title_font
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ws['B11'] = name + '详细数据'
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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'] = '日期时间'
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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)] = '总计'
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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
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ws[col + row].alignment = c_c_alignment
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ws[col + row] = round(reporting_period_data['values'][j], 2)
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ws[col + row].border = f_border
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ws[col + str(end_data_row_number + 1)].font = title_font
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ws[col + str(end_data_row_number + 1)].alignment = c_c_alignment
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ws[col + str(end_data_row_number + 1)] = round(reporting_period_data['total_in_category'], 2)
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ws[col + str(end_data_row_number + 1)].border = f_border
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line = LineChart()
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labels = Reference(ws, min_col=2, min_row=19, max_row=max_row)
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line_data = Reference(ws, min_col=3, min_row=18, max_row=max_row)
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line.series.append(Series(line_data, title_from_data=True))
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line.set_categories(labels)
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line_data = line.series[0]
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line_data.marker.symbol = "circle"
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line_data.smooth = True
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line.x_axis.crosses = 'min'
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line.title = '报告期成本 - ' + report['virtual_meter']['energy_category_name'] + \
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" (" + report['virtual_meter']['unit_of_measure'] + ")"
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line.dLbls = DataLabelList()
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line.dLbls.dLblPos = 't'
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line.dLbls.showVal = True
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line.height = 8.25
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line.width = 24
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ws.add_chart(line, "B12")
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else:
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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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filename = str(uuid.uuid4()) + '.xlsx'
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wb.save(filename)
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return filename
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