added excel exporter of combinedequipmentitem report

Merge branch 'PR57' into develop
pull/1/MERGE
13621160019@163.com 2021-03-03 13:23:36 +08:00
commit 76139d6645
2 changed files with 472 additions and 0 deletions

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@ -0,0 +1,464 @@
import base64
import uuid
import os
from openpyxl.chart import (
PieChart,
LineChart,
BarChart,
Reference,
)
from openpyxl.styles import PatternFill, Border, Side, Alignment, Font
from openpyxl.drawing.image import Image
from openpyxl import Workbook
from openpyxl.chart.label import DataLabelList
####################################################################################################################
# PROCEDURES
# Step 1: Validate the report data
# Step 2: Generate excel file
# Step 3: Encode the excel file bytes to Base64
####################################################################################################################
def export(report,
name,
reporting_start_datetime_local,
reporting_end_datetime_local,
period_type):
####################################################################################################################
# Step 1: Validate the report data
####################################################################################################################
if report is None:
return None
print(report)
####################################################################################################################
# Step 2: Generate excel file from the report data
####################################################################################################################
filename = generate_excel(report,
name,
reporting_start_datetime_local,
reporting_end_datetime_local,
period_type)
####################################################################################################################
# Step 3: Encode the excel file to Base64
####################################################################################################################
try:
with open(filename, 'rb') as binary_file:
binary_file_data = binary_file.read()
except IOError as ex:
pass
# Base64 encode the bytes
base64_encoded_data = base64.b64encode(binary_file_data)
# get the Base64 encoded data using human-readable characters.
base64_message = base64_encoded_data.decode('utf-8')
# delete the file from server
try:
os.remove(filename)
except NotImplementedError as ex:
pass
return base64_message
def generate_excel(report,
name,
reporting_start_datetime_local,
reporting_end_datetime_local,
period_type):
wb = Workbook()
ws = wb.active
# Row height
ws.row_dimensions[1].height = 102
for i in range(2, 2000 + 1):
ws.row_dimensions[i].height = 42
# Col width
ws.column_dimensions['A'].width = 1.5
ws.column_dimensions['B'].width = 25.0
for i in range(ord('C'), ord('L')):
ws.column_dimensions[chr(i)].width = 15.0
# Font
name_font = Font(name='Constantia', size=15, bold=True)
title_font = Font(name='宋体', size=15, bold=True)
data_font = Font(name='Franklin Gothic Book', size=11)
table_fill = PatternFill(fill_type='solid', fgColor='1F497D')
f_border = Border(left=Side(border_style='medium', color='00000000'),
right=Side(border_style='medium', color='00000000'),
bottom=Side(border_style='medium', color='00000000'),
top=Side(border_style='medium', color='00000000')
)
b_border = Border(
bottom=Side(border_style='medium', color='00000000'),
)
b_c_alignment = Alignment(vertical='bottom',
horizontal='center',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
c_c_alignment = Alignment(vertical='center',
horizontal='center',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
b_r_alignment = Alignment(vertical='bottom',
horizontal='right',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
c_r_alignment = Alignment(vertical='bottom',
horizontal='center',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
# Img
img = Image("excelexporters/myems.png")
img.width = img.width * 0.85
img.height = img.height * 0.85
# img = Image("myems.png")
ws.add_image(img, 'B1')
# Title
ws.row_dimensions[3].height = 60
ws['B3'].font = name_font
ws['B3'].alignment = b_r_alignment
ws['B3'] = 'Name:'
ws['C3'].border = b_border
ws['C3'].alignment = b_c_alignment
ws['C3'].font = name_font
ws['C3'] = name
ws['D3'].font = name_font
ws['D3'].alignment = b_r_alignment
ws['D3'] = 'Period:'
ws['E3'].border = b_border
ws['E3'].alignment = b_c_alignment
ws['E3'].font = name_font
ws['E3'] = period_type
ws['F3'].font = name_font
ws['F3'].alignment = b_r_alignment
ws['F3'] = 'Date:'
ws['G3'].border = b_border
ws['G3'].alignment = b_c_alignment
ws['G3'].font = name_font
ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local
ws.merge_cells("G3:H3")
if "reporting_period" not in report.keys() or \
"names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 0:
filename = str(uuid.uuid4()) + '.xlsx'
wb.save(filename)
return filename
##################################
current_row_number = 6
reporting_period_data = report['reporting_period']
has_names_data_flag = True
if "names" not in reporting_period_data.keys() or \
reporting_period_data['names'] is None or \
len(reporting_period_data['names']) == 0:
has_names_data_flag = False
if has_names_data_flag:
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)] = name + ' 报告期消耗'
current_row_number += 1
category = reporting_period_data['names']
ca_len = len(category)
ws.row_dimensions[current_row_number].height = 60
ws['B' + str(current_row_number)].fill = table_fill
ws['B' + str(current_row_number)].border = f_border
col = 'C'
for i in range(0, ca_len):
ws[col + str(current_row_number)].fill = table_fill
ws[col + str(current_row_number)].font = name_font
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)] = \
reporting_period_data['names'][i] + " " + reporting_period_data['energy_category_names'][i] + \
" (" + reporting_period_data['units'][i] + ")"
col = chr(ord(col) + 1)
current_row_number += 1
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)] = '消耗'
col = 'C'
for i in range(0, ca_len):
ws[col + str(current_row_number)].font = name_font
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)] = round(reporting_period_data['subtotals'][i], 2)
col = chr(ord(col) + 1)
current_row_number += 1
# ws['B' + str(current_row_number)].font = title_font
# ws['B' + str(current_row_number)].alignment = c_c_alignment
# ws['B' + str(current_row_number)].border = f_border
# ws['B' + str(current_row_number)] = '单位面积值'
#
# col = 'C'
#
# for i in range(0, ca_len):
# ws[col + str(current_row_number)].font = name_font
# ws[col + str(current_row_number)].alignment = c_c_alignment
# ws[col + str(current_row_number)].border = f_border
# ws[col + str(current_row_number)] = round(reporting_period_data['subtotals_per_unit_area'][i], 2)
#
# col = chr(ord(col) + 1)
#
# current_row_number += 1
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)] = '环比'
col = 'C'
for i in range(0, ca_len):
ws[col + str(current_row_number)].font = name_font
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)] = str(
round(reporting_period_data['increment_rates'][i] * 100, 2)) + '%' \
if reporting_period_data['increment_rates'][i] is not None else '-'
col = chr(ord(col) + 1)
current_row_number += 2
category_dict = group_by_category(reporting_period_data['energy_category_names'])
for category_dict_name, category_dict_values in category_dict.items():
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)] = \
name + ' ' + category_dict_name + ' (' + reporting_period_data['units'][category_dict_values[0]] + \
') 分项消耗占比'
current_row_number += 1
table_start_row_number = current_row_number
ws['B' + str(current_row_number)].fill = table_fill
ws['B' + str(current_row_number)].border = f_border
ws['C' + str(current_row_number)].font = name_font
ws['C' + str(current_row_number)].fill = table_fill
ws['C' + str(current_row_number)].alignment = c_c_alignment
ws['C' + str(current_row_number)].border = f_border
ws['C' + str(current_row_number)] = '消耗'
current_row_number += 1
for i in category_dict_values:
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)] = \
reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + ")"
ws['C' + str(current_row_number)].font = name_font
ws['C' + str(current_row_number)].alignment = c_c_alignment
ws['C' + str(current_row_number)].border = f_border
ws['C' + str(current_row_number)] = round(reporting_period_data['subtotals'][i], 3)
current_row_number += 1
table_end_row_number = current_row_number - 1
pie = PieChart()
pie.title = \
name + ' ' + category_dict_name + ' (' + reporting_period_data['units'][category_dict_values[0]] + \
') 分项消耗占比'
labels = Reference(ws, min_col=2, min_row=table_start_row_number + 1, max_row=table_end_row_number)
pie_data = Reference(ws, min_col=3, min_row=table_start_row_number, max_row=table_end_row_number)
pie.add_data(pie_data, titles_from_data=True)
pie.set_categories(labels)
pie.height = 6.6
pie.width = 9
s1 = pie.series[0]
s1.dLbls = DataLabelList()
s1.dLbls.showCatName = False
s1.dLbls.showVal = True
s1.dLbls.showPercent = True
ws.add_chart(pie, 'D' + str(table_start_row_number))
if len(category_dict_values) < 4:
current_row_number = current_row_number - len(category_dict_values) + 4
current_row_number += 1
#####################################
has_values_data = True
has_timestamps_data = True
if 'values' not in reporting_period_data.keys() or \
reporting_period_data['values'] is None or \
len(reporting_period_data['values']) == 0:
has_values_data = False
if 'timestamps' not in reporting_period_data.keys() or \
reporting_period_data['timestamps'] is None or \
len(reporting_period_data['timestamps']) == 0 or \
len(reporting_period_data['timestamps'][0]) == 0:
has_timestamps_data = False
if has_values_data and has_timestamps_data:
ca_len = len(reporting_period_data['names'])
time = reporting_period_data['timestamps'][0]
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)] = name + ' 详细数据'
current_row_number += 1
chart_start_row_number = current_row_number
current_row_number += ca_len * 6
table_start_row_number = current_row_number
ws.row_dimensions[current_row_number].height = 60
ws['B' + str(current_row_number)].fill = table_fill
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)] = '日期时间'
col = 'C'
for i in range(0, ca_len):
ws[col + str(current_row_number)].fill = table_fill
ws[col + str(current_row_number)].font = title_font
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)] = \
reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + ")"
col = chr(ord(col) + 1)
current_row_number += 1
for i in range(0, len(time)):
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)] = time[i]
col = 'C'
for j in range(0, ca_len):
ws[col + str(current_row_number)].font = title_font
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)] = round(reporting_period_data['values'][j][i], 2) \
if reporting_period_data['values'][j][i] is not None else 0.00
col = chr(ord(col) + 1)
current_row_number += 1
table_end_row_number = current_row_number - 1
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)] = '小计'
col = 'C'
for i in range(0, ca_len):
ws[col + str(current_row_number)].font = title_font
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)] = round(reporting_period_data['subtotals'][i], 2)
col = chr(ord(col) + 1)
current_row_number += 2
format_time_width_number = 1.0
min_len_number = 1.0
min_width_number = 11.0 # format_time_width_number * min_len_number + 4 and min_width_number > 11.0
if period_type == 'hourly':
format_time_width_number = 4.0
min_len_number = 2
min_width_number = 12.0
elif period_type == 'daily':
format_time_width_number = 2.5
min_len_number = 4
min_width_number = 14.0
elif period_type == 'monthly':
format_time_width_number = 2.1
min_len_number = 4
min_width_number = 12.4
elif period_type == 'yearly':
format_time_width_number = 1.5
min_len_number = 5
min_width_number = 11.5
for i in range(0, ca_len):
line = LineChart()
line.title = '报告期消耗 - ' + \
reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + ")"
labels = Reference(ws, min_col=2, min_row=table_start_row_number + 1, max_row=table_end_row_number)
line_data = Reference(ws, min_col=3 + i, min_row=table_start_row_number, max_row=table_end_row_number)
line.add_data(line_data, titles_from_data=True)
line.set_categories(labels)
line_data = line.series[0]
line_data.marker.symbol = "circle"
line_data.smooth = True
line.x_axis.crosses = 'min'
line.height = 8.25
line.width = format_time_width_number * len(time) if len(time) > min_len_number else min_width_number
if line.width > 24:
line.width = 24
line.dLbls = DataLabelList()
line.dLbls.dLblPos = 't'
line.dLbls.showVal = True
line.dLbls.showPercent = False
chart_col = 'B'
chart_cell = chart_col + str(chart_start_row_number)
chart_start_row_number += 6
ws.add_chart(line, chart_cell)
filename = str(uuid.uuid4()) + '.xlsx'
wb.save(filename)
return filename
def group_by_category(category_list):
category_dict = dict()
for i, value in enumerate(category_list):
if value not in category_dict.keys():
category_dict[value] = list()
category_dict[value].append(i)
return category_dict

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@ -5,6 +5,7 @@ import config
from datetime import datetime, timedelta, timezone from datetime import datetime, timedelta, timezone
from core import utilities from core import utilities
from decimal import Decimal from decimal import Decimal
import excelexporters.combinedequipmentenergyitem
class Reporting: class Reporting:
@ -516,4 +517,11 @@ class Reporting:
"values": parameters_data['values'] "values": parameters_data['values']
} }
# export result to Excel file and then encode the file to base64 string
result['excel_bytes_base64'] = excelexporters.combinedequipmentenergyitem.export(result,
combined_equipment['name'],
reporting_start_datetime_local,
reporting_end_datetime_local,
period_type)
resp.body = json.dumps(result) resp.body = json.dumps(result)