added excel exporter of tenant batch report
Merge branch 'master' into developpull/43/MERGE
13621160019@163.com
commit
0963035078
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@ -0,0 +1,199 @@
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import base64
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import uuid
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import os
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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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####################################################################################################################
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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, space_name, reporting_start_datetime_local, reporting_end_datetime_local):
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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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space_name,
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reporting_start_datetime_local,
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reporting_end_datetime_local)
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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, space_name, reporting_start_datetime_local, reporting_end_datetime_local):
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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, 5 + 1):
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ws.row_dimensions[i].height = 42
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for i in range(6, len(report['tenants']) + 15):
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ws.row_dimensions[i].height = 60
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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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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'] = '空间:'
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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'] = space_name
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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'] = '日期:'
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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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# Title
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ws['B6'].border = f_border
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ws['B6'].font = name_font
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ws['B6'].alignment = c_c_alignment
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ws['B6'].fill = table_fill
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ws['B6'] = '名称'
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ws['C6'].border = f_border
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ws['C6'].alignment = c_c_alignment
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ws['C6'].font = name_font
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ws['C6'].fill = table_fill
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ws['C6'] = '空间'
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ws['D6'].border = f_border
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ws['D6'].font = name_font
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ws['D6'].alignment = c_c_alignment
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ws['D6'].fill = table_fill
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ws['D6'] = '成本中心'
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ca_len = len(report['energycategories'])
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for i in range(0, ca_len):
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col = chr(ord('E') + i)
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ws[col + '6'].fill = table_fill
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ws[col + '6'].font = name_font
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ws[col + '6'].alignment = c_c_alignment
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ws[col + '6'] = report['energycategories'][i]['name'] + \
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" (" + report['energycategories'][i]['unit_of_measure'] + ")"
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ws[col + '6'].border = f_border
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current_row_number = 7
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for i in range(0, len(report['tenants'])):
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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)] = report['tenants'][i]['tenant_name']
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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['tenants'][i]['space_name']
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ws['D' + str(current_row_number)].font = title_font
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ws['D' + str(current_row_number)].border = f_border
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ws['D' + str(current_row_number)].alignment = c_c_alignment
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ws['D' + str(current_row_number)] = report['tenants'][i]['cost_center_name']
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ca_len = len(report['tenants'][i]['values'])
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for j in range(0, ca_len):
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col = chr(ord('E') + j)
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ws[col + str(current_row_number)].font = title_font
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ws[col + str(current_row_number)].border = f_border
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ws[col + str(current_row_number)].alignment = c_c_alignment
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ws[col + str(current_row_number)] = report['tenants'][i]['values'][j]
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current_row_number += 1
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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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@ -5,6 +5,7 @@ import config
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from anytree import Node, AnyNode, LevelOrderIter
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from anytree import Node, AnyNode, LevelOrderIter
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from datetime import datetime, timedelta, timezone
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from datetime import datetime, timedelta, timezone
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from decimal import Decimal
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from decimal import Decimal
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import excelexporters.tenantbatch
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class Reporting:
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class Reporting:
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@ -99,6 +100,8 @@ class Reporting:
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cnx_system_db.disconnect()
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cnx_system_db.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.SPACE_NOT_FOUND')
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description='API.SPACE_NOT_FOUND')
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else:
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space_name = row['name']
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################################################################################################################
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################################################################################################################
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# Step 2: build a space tree
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# Step 2: build a space tree
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@ -232,4 +235,9 @@ class Reporting:
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result = {'tenants': tenant_list,
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result = {'tenants': tenant_list,
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'energycategories': energy_category_list}
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'energycategories': energy_category_list}
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# export result to Excel file and then encode the file to base64 string
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result['excel_bytes_base64'] = excelexporters.tenantbatch.export(result,
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space_name,
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reporting_period_start_datetime_local,
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reporting_period_end_datetime_local)
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resp.body = json.dumps(result)
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resp.body = json.dumps(result)
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