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added excel exporter of equipmentenergyitem report 

Merge branch 'PR54' into develop
pull/1/head
13621160019@163.com 2021-03-02 17:52:58 +08:00
parent 61e8006a5e 46dedb15b4
commit 6375d7893a
2 changed files with 472 additions and 0 deletions
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464
myems-api/excelexporters/equipmentenergyitem.py Normal file
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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

8
myems-api/reports/equipmentenergyitem.py
View File

@ -5,6 +5,7 @@ import config
from datetime import datetime, timedelta, timezone
from core import utilities
from decimal import Decimal
import excelexporters.equipmentenergyitem
class Reporting:
@ -508,4 +509,11 @@ class Reporting:
"values": parameters_data['values']
}
# export result to Excel file and then encode the file to base64 string
result['excel_bytes_base64'] = excelexporters.equipmentenergyitem.export(result,
equipment['name'],
reporting_start_datetime_local,
reporting_end_datetime_local,
period_type)
resp.body = json.dumps(result)