1
|
|
|
import base64 |
2
|
|
|
import uuid |
3
|
|
|
import os |
4
|
|
|
from openpyxl.chart import ( |
5
|
|
|
PieChart, |
6
|
|
|
LineChart, |
7
|
|
|
BarChart, |
8
|
|
|
Reference, |
9
|
|
|
) |
10
|
|
|
from openpyxl.styles import PatternFill, Border, Side, Alignment, Font |
11
|
|
|
from openpyxl.drawing.image import Image |
12
|
|
|
from openpyxl import Workbook |
13
|
|
|
from openpyxl.chart.label import DataLabelList |
14
|
|
|
|
15
|
|
|
|
16
|
|
|
#################################################################################################################### |
17
|
|
|
# PROCEDURES |
18
|
|
|
# Step 1: Validate the report data |
19
|
|
|
# Step 2: Generate excel file |
20
|
|
|
# Step 3: Encode the excel file bytes to Base64 |
21
|
|
|
#################################################################################################################### |
22
|
|
|
|
23
|
|
|
|
24
|
|
View Code Duplication |
def export(result, |
|
|
|
|
25
|
|
|
name, |
26
|
|
|
reporting_start_datetime_local, |
27
|
|
|
reporting_end_datetime_local, |
28
|
|
|
period_type): |
29
|
|
|
#################################################################################################################### |
30
|
|
|
# Step 1: Validate the report data |
31
|
|
|
#################################################################################################################### |
32
|
|
|
if result is None: |
33
|
|
|
return None |
34
|
|
|
|
35
|
|
|
#################################################################################################################### |
36
|
|
|
# Step 2: Generate excel file from the report data |
37
|
|
|
#################################################################################################################### |
38
|
|
|
filename = generate_excel(result, |
39
|
|
|
name, |
40
|
|
|
reporting_start_datetime_local, |
41
|
|
|
reporting_end_datetime_local, |
42
|
|
|
period_type) |
43
|
|
|
|
44
|
|
|
#################################################################################################################### |
45
|
|
|
# Step 3: Encode the excel file to Base64 |
46
|
|
|
#################################################################################################################### |
47
|
|
|
try: |
48
|
|
|
with open(filename, 'rb') as binary_file: |
49
|
|
|
binary_file_data = binary_file.read() |
50
|
|
|
except IOError as ex: |
51
|
|
|
pass |
52
|
|
|
|
53
|
|
|
# Base64 encode the bytes |
54
|
|
|
base64_encoded_data = base64.b64encode(binary_file_data) |
|
|
|
|
55
|
|
|
# get the Base64 encoded data using human-readable characters. |
56
|
|
|
base64_message = base64_encoded_data.decode('utf-8') |
57
|
|
|
# delete the file from server |
58
|
|
|
try: |
59
|
|
|
os.remove(filename) |
60
|
|
|
except NotImplementedError as ex: |
61
|
|
|
pass |
62
|
|
|
return base64_message |
63
|
|
|
|
64
|
|
|
|
65
|
|
|
def generate_excel(report, |
66
|
|
|
name, |
67
|
|
|
reporting_start_datetime_local, |
68
|
|
|
reporting_end_datetime_local, |
69
|
|
|
period_type): |
70
|
|
|
wb = Workbook() |
71
|
|
|
ws = wb.active |
72
|
|
|
|
73
|
|
|
# Row height |
74
|
|
|
ws.row_dimensions[1].height = 102 |
75
|
|
|
for i in range(2, 5 + 1): |
76
|
|
|
ws.row_dimensions[i].height = 42 |
77
|
|
|
|
78
|
|
|
# for i in range(2, 6 + 1): |
79
|
|
|
# ws.row_dimensions[i].height = 30 |
80
|
|
|
|
81
|
|
|
# Col width |
82
|
|
|
ws.column_dimensions['A'].width = 1.5 |
83
|
|
|
|
84
|
|
|
ws.column_dimensions['B'].width = 25.0 |
85
|
|
|
|
86
|
|
|
for i in range(ord('C'), ord('V')): |
87
|
|
|
ws.column_dimensions[chr(i)].width = 15.0 |
88
|
|
|
|
89
|
|
|
# Font |
90
|
|
|
name_font = Font(name='Constantia', size=15, bold=True) |
91
|
|
|
title_font = Font(name='宋体', size=15, bold=True) |
92
|
|
|
data_font = Font(name='Franklin Gothic Book', size=11) |
93
|
|
|
|
94
|
|
|
table_fill = PatternFill(fill_type='solid', fgColor='1F497D') |
95
|
|
|
f_border = Border(left=Side(border_style='medium', color='00000000'), |
96
|
|
|
right=Side(border_style='medium', color='00000000'), |
97
|
|
|
bottom=Side(border_style='medium', color='00000000'), |
98
|
|
|
top=Side(border_style='medium', color='00000000') |
99
|
|
|
) |
100
|
|
|
b_border = Border( |
101
|
|
|
bottom=Side(border_style='medium', color='00000000'), |
102
|
|
|
) |
103
|
|
|
|
104
|
|
|
b_c_alignment = Alignment(vertical='bottom', |
105
|
|
|
horizontal='center', |
106
|
|
|
text_rotation=0, |
107
|
|
|
wrap_text=True, |
108
|
|
|
shrink_to_fit=False, |
109
|
|
|
indent=0) |
110
|
|
|
c_c_alignment = Alignment(vertical='center', |
111
|
|
|
horizontal='center', |
112
|
|
|
text_rotation=0, |
113
|
|
|
wrap_text=True, |
114
|
|
|
shrink_to_fit=False, |
115
|
|
|
indent=0) |
116
|
|
|
b_r_alignment = Alignment(vertical='bottom', |
117
|
|
|
horizontal='right', |
118
|
|
|
text_rotation=0, |
119
|
|
|
wrap_text=True, |
120
|
|
|
shrink_to_fit=False, |
121
|
|
|
indent=0) |
122
|
|
|
c_r_alignment = Alignment(vertical='bottom', |
123
|
|
|
horizontal='center', |
124
|
|
|
text_rotation=0, |
125
|
|
|
wrap_text=True, |
126
|
|
|
shrink_to_fit=False, |
127
|
|
|
indent=0) |
128
|
|
|
|
129
|
|
|
# Img |
130
|
|
|
img = Image("excelexporters/myems.png") |
131
|
|
|
img.width = img.width * 0.85 |
132
|
|
|
img.height = img.height * 0.85 |
133
|
|
|
# img = Image("myems.png") |
134
|
|
|
ws.add_image(img, 'B1') |
135
|
|
|
|
136
|
|
|
# Title |
137
|
|
|
ws.row_dimensions[3].height = 60 |
138
|
|
|
|
139
|
|
|
ws['B3'].font = name_font |
140
|
|
|
ws['B3'].alignment = b_r_alignment |
141
|
|
|
ws['B3'] = 'Name:' |
142
|
|
|
ws['C3'].border = b_border |
143
|
|
|
ws['C3'].alignment = b_c_alignment |
144
|
|
|
ws['C3'].font = name_font |
145
|
|
|
ws['C3'] = name |
146
|
|
|
|
147
|
|
|
ws['D3'].font = name_font |
148
|
|
|
ws['D3'].alignment = b_r_alignment |
149
|
|
|
ws['D3'] = 'Period:' |
150
|
|
|
ws['E3'].border = b_border |
151
|
|
|
ws['E3'].alignment = b_c_alignment |
152
|
|
|
ws['E3'].font = name_font |
153
|
|
|
ws['E3'] = period_type |
154
|
|
|
|
155
|
|
|
ws['F3'].font = name_font |
156
|
|
|
ws['F3'].alignment = b_r_alignment |
157
|
|
|
ws['F3'] = 'Date:' |
158
|
|
|
ws['G3'].border = b_border |
159
|
|
|
ws['G3'].alignment = b_c_alignment |
160
|
|
|
ws['G3'].font = name_font |
161
|
|
|
ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local |
162
|
|
|
ws.merge_cells("G3:H3") |
163
|
|
|
if "reporting_period" not in report.keys() or \ |
164
|
|
|
"names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 0: |
165
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
166
|
|
|
wb.save(filename) |
167
|
|
|
|
168
|
|
|
return filename |
169
|
|
|
################################################ |
170
|
|
|
# First: 趋势 |
171
|
|
|
# 6: title |
172
|
|
|
# 7: table title |
173
|
|
|
# 8~ table_data |
174
|
|
|
################################################ |
175
|
|
|
has_data_flag = True |
176
|
|
|
reporting_period_data = report['reporting_period'] |
177
|
|
|
if "names" not in reporting_period_data.keys() or \ |
178
|
|
|
reporting_period_data['names'] is None or \ |
179
|
|
|
len(reporting_period_data['names']) == 0: |
180
|
|
|
has_data_flag = False |
181
|
|
|
|
182
|
|
|
if "timestamps" not in reporting_period_data.keys() or \ |
183
|
|
|
reporting_period_data['timestamps'] is None or \ |
184
|
|
|
len(reporting_period_data['timestamps']) == 0: |
185
|
|
|
has_data_flag = False |
186
|
|
|
|
187
|
|
|
if "values" not in reporting_period_data.keys() or \ |
188
|
|
|
reporting_period_data['values'] is None or \ |
189
|
|
|
len(reporting_period_data['values']) == 0: |
190
|
|
|
has_data_flag = False |
191
|
|
|
ca = reporting_period_data['names'] |
192
|
|
|
ca_len = len(ca) |
193
|
|
|
temp_max_row = 0 |
194
|
|
|
times = reporting_period_data['timestamps'] |
195
|
|
|
if has_data_flag: |
196
|
|
|
ws['B6'].font = title_font |
197
|
|
|
ws['B6'] = name + ' 趋势' |
198
|
|
|
|
199
|
|
|
ws.row_dimensions[7].height = 60 |
200
|
|
|
ws['B7'].fill = table_fill |
201
|
|
|
ws['B7'].font = title_font |
202
|
|
|
ws['B7'].border = f_border |
203
|
|
|
ws['B7'].alignment = c_c_alignment |
204
|
|
|
ws['B7'] = '日期时间' |
205
|
|
|
time = times[0] |
206
|
|
|
has_data = False |
207
|
|
|
max_row = 0 |
208
|
|
|
if len(time) > 0: |
209
|
|
|
has_data = True |
210
|
|
|
max_row = 8 + len(time) |
211
|
|
|
# print("max_row", max_row) |
212
|
|
|
temp_max_row = max_row |
213
|
|
|
if has_data: |
214
|
|
|
for i in range(0, len(time)): |
215
|
|
|
col = 'B' |
216
|
|
|
row = str(8 + i) |
217
|
|
|
# col = chr(ord('B') + i) |
218
|
|
|
ws[col + row].font = title_font |
219
|
|
|
ws[col + row].alignment = c_c_alignment |
220
|
|
|
ws[col + row] = time[i] |
221
|
|
|
ws[col + row].border = f_border |
222
|
|
|
|
223
|
|
|
for i in range(0, ca_len): |
224
|
|
|
# 38 title |
225
|
|
|
col = chr(ord('C') + i) |
226
|
|
|
|
227
|
|
|
ws[col + '7'].fill = table_fill |
228
|
|
|
ws[col + '7'].font = title_font |
229
|
|
|
ws[col + '7'].alignment = c_c_alignment |
230
|
|
|
ws[col + '7'] = reporting_period_data['names'][i] |
231
|
|
|
ws[col + '7'].border = f_border |
232
|
|
|
|
233
|
|
|
# 39 data |
234
|
|
|
time = times[i] |
235
|
|
|
time_len = len(time) |
236
|
|
|
|
237
|
|
|
for j in range(0, time_len): |
238
|
|
|
row = str(8 + j) |
239
|
|
|
# col = chr(ord('B') + i) |
240
|
|
|
ws[col + row].font = title_font |
241
|
|
|
ws[col + row].alignment = c_c_alignment |
242
|
|
|
ws[col + row] = round(reporting_period_data['values'][i][j], 3) |
243
|
|
|
ws[col + row].border = f_border |
244
|
|
|
# line |
245
|
|
|
# 39~: line |
246
|
|
|
line = LineChart() |
247
|
|
|
line.title = '趋势值 - ' + reporting_period_data['names'][i] |
248
|
|
|
labels = Reference(ws, min_col=2, min_row=8, max_row=max_row-1) |
249
|
|
|
line_data = Reference(ws, min_col=3 + i, min_row=7, max_row=max_row-1) |
250
|
|
|
line.add_data(line_data, titles_from_data=True) |
251
|
|
|
line.set_categories(labels) |
252
|
|
|
# line_data = line.series[0] |
253
|
|
|
# line_data.marker.symbol = "circle" |
254
|
|
|
line_data.smooth = True |
255
|
|
|
line.x_axis.crosses = 'min' |
256
|
|
|
line.height = 8.25 # cm 1.05*5 1.05cm = 30 pt |
257
|
|
|
line.width = 36 |
258
|
|
|
# pie.title = "Pies sold by category" |
259
|
|
|
line.dLbls = DataLabelList() |
260
|
|
|
# line.dLbls.showCatName = True # label show |
261
|
|
|
line.dLbls.dLblPos = 't' |
262
|
|
|
line.dLbls.showVal = False # val show |
263
|
|
|
line.dLbls.showPercent = False # percent show |
264
|
|
|
# s1 = CharacterProperties(sz=1800) # font size *100 |
265
|
|
|
chart_col = chr(ord('B')) |
266
|
|
|
chart_cell = chart_col + str(max_row + 2 + 6*i) |
267
|
|
|
print("chart_cell", chart_cell) |
268
|
|
|
ws.add_chart(line, chart_cell) |
269
|
|
|
else: |
270
|
|
|
pass |
271
|
|
|
|
272
|
|
|
for i in range(8, temp_max_row + 1 + 1 + + ca_len * 6): |
273
|
|
|
ws.row_dimensions[i].height = 42 |
274
|
|
|
|
275
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
276
|
|
|
wb.save(filename) |
277
|
|
|
|
278
|
|
|
return filename |
279
|
|
|
|