320 lines
14 KiB
Python
320 lines
14 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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BarChart,
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LineChart,
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Reference,
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)
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from openpyxl.styles import PatternFill, Border, Side, Alignment, Protection, Font
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from openpyxl.drawing.image import Image
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from openpyxl import Workbook
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from openpyxl.chart.label import DataLabelList
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####################################################################################################################
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# PROCEDURES
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# Step 1: Validate the report data
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# Step 2: Generate excelexporters file
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# Step 3: Encode the excelexporters file to Base64
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####################################################################################################################
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def export(result, name, reporting_start_datetime_local, reporting_end_datetime_local, period_type):
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####################################################################################################################
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# Step 1: Validate the report data
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####################################################################################################################
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if result is None:
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return None
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####################################################################################################################
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# Step 2: Generate excel file from the report data
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####################################################################################################################
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filename = generate_excel(result,
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name,
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reporting_start_datetime_local,
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reporting_end_datetime_local,
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period_type)
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####################################################################################################################
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# Step 3: Encode the excel file to Base64
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####################################################################################################################
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try:
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with open(filename, 'rb') as binary_file:
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binary_file_data = binary_file.read()
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except IOError as ex:
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pass
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# Base64 encode the bytes
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base64_encoded_data = base64.b64encode(binary_file_data)
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# get the Base64 encoded data using human-readable characters.
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base64_message = base64_encoded_data.decode('utf-8')
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# delete the file from server
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try:
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os.remove(filename)
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except NotImplementedError as ex:
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pass
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return base64_message
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def generate_excel(report, name, reporting_start_datetime_local, reporting_end_datetime_local, period_type):
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wb = Workbook()
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ws = wb.active
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# Row height
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ws.row_dimensions[1].height = 102
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for i in range(2, 2000 + 1):
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ws.row_dimensions[i].height = 42
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# Col width
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ws.column_dimensions['A'].width = 1.5
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ws.column_dimensions['B'].width = 25.0
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for i in range(ord('C'), ord('L')):
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ws.column_dimensions[chr(i)].width = 15.0
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# Font
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name_font = Font(name='Constantia', size=15, bold=True)
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title_font = Font(name='宋体', size=15, bold=True)
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data_font = Font(name='Franklin Gothic Book', size=11)
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table_fill = PatternFill(fill_type='solid', fgColor='1F497D')
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f_border = Border(left=Side(border_style='medium', color='00000000'),
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right=Side(border_style='medium', color='00000000'),
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bottom=Side(border_style='medium', color='00000000'),
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top=Side(border_style='medium', color='00000000')
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)
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b_border = Border(
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bottom=Side(border_style='medium', color='00000000'),
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)
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b_c_alignment = Alignment(vertical='bottom',
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horizontal='center',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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c_c_alignment = Alignment(vertical='center',
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horizontal='center',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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b_r_alignment = Alignment(vertical='bottom',
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horizontal='right',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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c_r_alignment = Alignment(vertical='bottom',
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horizontal='center',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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# Img
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img = Image("excelexporters/myems.png")
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img.width = img.width * 0.85
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img.height = img.height * 0.85
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# img = Image("myems.png")
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ws.add_image(img, 'B1')
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# Title
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ws.row_dimensions[3].height = 60
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ws['B3'].font = name_font
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ws['B3'].alignment = b_r_alignment
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ws['B3'] = 'Name:'
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ws['C3'].border = b_border
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ws['C3'].alignment = b_c_alignment
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ws['C3'].font = name_font
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ws['C3'] = name
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ws['D3'].font = name_font
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ws['D3'].alignment = b_r_alignment
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ws['D3'] = 'Period:'
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ws['E3'].border = b_border
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ws['E3'].alignment = b_c_alignment
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ws['E3'].font = name_font
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ws['E3'] = period_type
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ws['F3'].font = name_font
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ws['F3'].alignment = b_r_alignment
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ws['F3'] = 'Date:'
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ws['G3'].alignment = b_c_alignment
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ws['G3'].font = name_font
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ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local
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ws.merge_cells("G3:H3")
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if "reporting_period" not in report.keys() or \
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"difference_values" not in report['reporting_period'].keys() or \
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len(report['reporting_period']['difference_values']) == 0:
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filename = str(uuid.uuid4()) + '.xlsx'
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wb.save(filename)
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return filename
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#################################################
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has_difference_values_data_flag = True
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if 'difference_values' not in report['reporting_period'].keys() or len(
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report['reporting_period']['difference_values']) == 0:
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has_difference_values_data_flag = False
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current_row_number = 6
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if has_difference_values_data_flag:
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reporting_period_data = report['reporting_period']
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category = report['meter']['energy_category_name']
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)] = name + ' 报告期'
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current_row_number += 1
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ws.row_dimensions[current_row_number].height = 60
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ws['B' + str(current_row_number)].fill = table_fill
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ws['B' + str(current_row_number)].border = f_border
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if not isinstance(category, list):
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ws['C' + str(current_row_number)].fill = table_fill
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ws['C' + str(current_row_number)].font = name_font
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)] = report['meter']['energy_category_name'] + " (" + report['meter'][
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'unit_of_measure'] + ")"
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current_row_number += 1
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)] = '总表消耗'
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ws['C' + str(current_row_number)].font = name_font
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)] = round(reporting_period_data['master_meter_consumption_in_category'], 2)
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current_row_number += 1
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)] = '分表消耗'
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ws['C' + str(current_row_number)].font = name_font
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)] = round(reporting_period_data['submeters_consumption_in_category'], 2)
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current_row_number += 1
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)] = '差值'
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ws['C' + str(current_row_number)].font = name_font
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)] = round(reporting_period_data['difference_in_category'], 2)
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current_row_number += 1
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)] = '差值百分比'
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ws['C' + str(current_row_number)].font = name_font
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)] = str(
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round(reporting_period_data['percentage_difference'] * 100, 2)) + '%'
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current_row_number += 2
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time = reporting_period_data['timestamps']
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has_time_data_flag = False
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if time is not None and len(time) > 0:
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has_time_data_flag = True
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if has_time_data_flag:
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)] = name + ' 详细数据'
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current_row_number += 1
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chart_start_number = current_row_number
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current_row_number = current_row_number + 6
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table_start_number = current_row_number
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ws.row_dimensions[current_row_number].height = 60
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ws['B' + str(current_row_number)].fill = table_fill
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)] = '日期时间'
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ws['C' + str(current_row_number)].fill = table_fill
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ws['C' + str(current_row_number)].font = title_font
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)] = report['meter']['energy_category_name'] + " (" + report['meter'][
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'unit_of_measure'] + ")"
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current_row_number += 1
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for i in range(0, len(time)):
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)] = time[i]
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ws['C' + str(current_row_number)].font = title_font
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)] = round(reporting_period_data['difference_values'][i], 2)
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current_row_number += 1
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table_end_number = current_row_number - 1
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line = LineChart()
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line.title = '报告期差值 - ' + report['meter']['energy_category_name'] + " (" + report['meter'][
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'unit_of_measure'] + ")"
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labels = Reference(ws, min_col=2, min_row=table_start_number + 1, max_row=table_end_number)
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line_data = Reference(ws, min_col=3, min_row=table_start_number, max_row=table_end_number)
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line.add_data(line_data, titles_from_data=True)
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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.height = 8.25
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line.width = 24
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line.dLbls = DataLabelList()
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line.dLbls.dLblPos = 't'
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line.dLbls.showVal = True # 数量显示
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ws.add_chart(line, "B" + str(chart_start_number))
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)] = '总计'
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ws['C' + str(current_row_number)].font = title_font
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)] = round(reporting_period_data['master_meter_consumption_in_category']
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, 2)
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else:
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pass
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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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