-
Notifications
You must be signed in to change notification settings - Fork 0
/
SunServer.py
executable file
·525 lines (492 loc) · 21.9 KB
/
SunServer.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
#! /usr/bin/python3
'''
Created on 27.06.2022
@author: Hamatoma
'''
import http.server
import cgi
import datetime
import sys
import SvgDiagram
import os
from MyDb import MyDb
from I18N import I18N
from Snippets import Snippets
from Configuration import Configuration
from SilentLog import SilentLog
VERSION = '2023.03.28.00'
class Service (MyDb):
_instance = None
def __init__(self, argv=[]):
'''Constructor.
'''
MyDb.__init__(self)
self.verbose = True
self._head = ''
self._bodyStart = ''
self._body = ''
self._form = ''
self._content = ''
self.headers = None
self.fieldDate = ''
self._configFile = '/etc/sunmonitor/sunmonitor.conf'
self.fieldMode = 1
self.fieldFrom = 4
self.fieldUntil = 22
self.fieldStart = ''
self.fieldEnd = ''
self.bestStartDate = '2023-01-01'
self.interface = '0.0.0.0'
self.port = 8080
self.timeZone = 0
self.title = 'Sonnenstatistik'
self.dayTitle = 'Sonnenstatistik (Tag)'
self.yearTitle = 'Sonnenstatistik (Jahr)'
self.i18nFilePrefix = 'sunserver.i18n'
self.i18nLanguages = 'de en'
self.fileSnippets = 'sunserver.snippets.html'
if len(argv) > 0 and argv[0].startswith('--config='):
self._configFile = argv[0][9:]
argv = argv[1:]
print(f'configuration: {self._configFile}')
self.config()
self.i18n = I18N(self.i18nLanguages)
self.i18n.read(self.i18nFilePrefix)
if os.path.exists(self._configFile):
self.dbConnect()
self.snippets = Snippets(self.fileSnippets)
self._titlesSimple = [self.i18n.replaceI18n('i18n(time);1;time;;i18n(count.of.measurements)'),
self.i18n.replaceI18n(
'i18n(power) (W);3;;ignore-0;i18n(last.value)'),
self.i18n.replaceI18n(
'i18n(energy) (Wh);2;;ignore-0+relative-to-start,last-is-diff;i18n(day.summary)'),
self.i18n.replaceI18n('i18n(currency) (A);2;;ignore-0,0-exclude-from-average;i18n(last.value)')]
self._titlesTotal = [self.i18n.replaceI18n('i18n(time);1;time;;i18n(count.of.measurements)'),
self.i18n.replaceI18n(
'i18n(power) (W);3;;ignore-0;i18n(last.value)'),
self.i18n.replaceI18n(
'i18n(energy) (Wh);2;;ignore-0+relative-to-start,last-is-diff;i18n(day.summary)'),
self.i18n.replaceI18n(
'i18n(currency) (A);2;;ignore-0,0-exclude-from-average;i18n(last.value)'),
self.i18n.replaceI18n(
'i18n(voltage) (V);2;;ignore-0,0-exclude-from-average;i18n(last.value)'),
self.i18n.replaceI18n('i18n(temperature) (C);2;;ignore-0,0-exclude-from-average;i18n(last.value)')]
@staticmethod
def instance():
'''Returns the singleton instance of Service.
@return: the only one instance of Service
'''
if Service._instance == None:
Service._instance = Service()
return Service._instance
def bestOf(self):
'''Builds the HTML table with the "best of" data.
@return: the HTML text of the table
'''
sql = f'''SELECT
day_date, day_energy
FROM days
WHERE day_date >= '{self.bestStartDate}'
order by day_energy desc
limit 20;
'''
rowsGood = self.dbSelect(sql)
sql = f'''SELECT
day_date, day_energy
FROM days
WHERE day_date >= '{self.bestStartDate}'
order by day_energy
limit 20;
'''
rowsBad = self.dbSelect(sql)
if len(rowsGood) < 1:
content = self.snippets.asString(
'HTML_NOT_AVAILABLE', self.i18n.variables())
else:
html = ''
for ix in range(len(rowsGood)):
if len(html) > 0:
html += '\n'
values = {'dateGood': rowsGood[ix][0].strftime(self.i18n.formatDate),
'valGood': f'{rowsGood[ix][1]:.0f}',
'dateBad': rowsBad[ix][0].strftime(self.i18n.formatDate),
'valBad': f'{rowsBad[ix][1]:.0f}'}
html += self.snippets.asString(
'HTML_BEST_LIST_ROW', None, values)
content = self.snippets.asString(
'HTML_BEST_LIST', self.i18n.variables(), {'ROWS': html})
return content
def dayToSvg(self, start: str, end: str):
'''Builds the SVG image from the db data.
@param start: the start of the interval to display
@param end: the end of the interval to display
@returns: the SVG text
'''
service = Service.instance()
words = start.split(' ')
parts = words[0].split(self.i18n.separatorDate)
if len(parts) != 3:
content = ''
else:
start2 = f'{parts[2]}-{parts[1]}-{parts[0]} {words[1]}'
words = end.split(' ')
parts = words[0].split('.')
end2 = f'{parts[2]}-{parts[1]}-{parts[0]} {words[1]}'
sql = '''SELECT unix_timestamp(event_time) as seconds,
event_apower,event_total,event_current,event_voltage,event_temperature
FROM events
WHERE event_time>=%s AND event_time <=%s AND event_total > 0.0
ORDER BY event_time, event_id;
'''
svg = SvgDiagram.Diagram(self.i18n)
svg.outputFileType = 'no-body'
if service.fieldMode == 1:
# title strokeWidth displayType attributes comment
svg.setTitles(self._titlesSimple)
else:
svg.setTitles(self._titlesTotal)
rows = self.dbSelect(sql, (start2, end2))
if len(rows) <= 1:
content = self.snippets.asString('HTML_NOT_AVAILABLE2', self.i18n.variables(), {
'start': start, 'end': end})
else:
firstTime = None
for row in rows:
if firstTime == None:
firstTime = row[0]
lastTime = row[0] % 86400 / 3600.0 + self.timeZone
if service.fieldMode == 1:
svg.addRow((lastTime, row[1], row[2], row[3]))
else:
svg.addRow((lastTime, row[1], row[2],
row[3], row[4], row[5]))
svg.returnToZero()
start = datetime.datetime.fromtimestamp(
firstTime).strftime('%H:%M:%S')
end = datetime.datetime.fromtimestamp(
lastTime).strftime('%H:%M:%S')
svg.diagram('/tmp/content.html', [])
content = ''.join(svg._output)
return content
@staticmethod
def secToHour(seconds):
rc = f'{seconds // 3600:02}:{seconds % 3600 // 60:02}'
return rc
def yearTable(self):
'''Builds a HTML table with the year statistics.
'''
sql = '''Select
SUM(day_energy),
SUM(day_hour8), SUM(day_hour9), SUM(day_hour10), SUM(day_hour11), SUM(day_hour12), SUM(day_hour13),
SUM(day_hour14), SUM(day_hour15), SUM(day_hour16), SUM(day_hour17), SUM(day_hour18), SUM(day_hourRest),
SUM(day_energy10), SUM(day_energy25), SUM(day_energy50), SUM(day_energy100),
SUM(day_energy200), SUM(day_energy300), SUM(day_energy400), SUM(day_energy500), SUM(day_energy590),
COUNT(*)
FROM days
WHERE day_date >= %s AND day_date <= %s
;
'''
start = datetime.datetime.strptime(
self.fieldStart, self.i18n.formatDate).strftime('%Y-%m-%d')
end = datetime.datetime.strptime(
self.fieldEnd, self.i18n.formatDate).strftime('%Y-%m-%d 23:59:59')
rows = self.dbSelect(sql, (start, end))
row = rows[0]
if row[1] is None:
html = ''
else:
M = 13
R = M + 9
count = row[R + 0]
values = {'energy': f'{row[0]/1000:.3f}', 'eavg': f'{row[0] / count / 1000:.3f}',
'time8': f'{row[1] / 1000:.2f}', 'time9': f'{row[2] / 1000:.2f}', 'time10': f'{row[3] / 1000:.2f}', 'time11': f'{row[4] / 1000:.2f}', 'time12': f'{row[5] / 1000:.2f}', 'time13': f'{row[6] / 1000:.2f}',
'time14': f'{row[7] / 1000:.2f}', 'time15': f'{row[8] / 1000:.2f}', 'time16': f'{row[9] / 1000:.2f}',
'time17': f'{row[10] / 1000:.2f}', 'time18': f'{row[11] / 1000:.2f}', 'time19': f'{row[12] / 1000:.2f}',
'tavg8': f'{row[1] / count / 1000:.3f}', 'tavg9': f'{row[2] / count / 1000:.3f}', 'tavg10': f'{row[3] / count / 1000:.3f}',
'tavg11': f'{row[4] / count / 1000:.3f}', 'tavg12': f'{row[5] / count / 1000:.3f}', 'tavg13': f'{row[6] / count / 1000:.3f}',
'tavg14': f'{row[7] / count / 1000:.3f}', 'tavg15': f'{row[8] / count / 1000:.3f}', 'tavg16': f'{row[9] / count / 1000:.3f}',
'tavg17': f'{row[10] / count / 1000:.3f}', 'tavg18': f'{row[11] / count / 1000:.3f}', 'tavg19': f'{row[12] / count / 1000:.3f}',
'min10': Service.secToHour(row[M + 0]), 'min25': Service.secToHour(row[M + 1]), 'min50': Service.secToHour(row[M + 2]),
'min100': Service.secToHour(row[M + 3]), 'min200': Service.secToHour(row[M + 4]), 'min300': Service.secToHour(row[M + 5]),
'min400': Service.secToHour(row[M + 6]), 'min500': Service.secToHour(row[M + 7]), 'min590': Service.secToHour(row[M + 8]),
'mavg10': Service.secToHour(row[M + 0] // count), 'mavg25': Service.secToHour(row[M + 1] // count), 'mavg50': Service.secToHour(row[M + 2] // count),
'mavg100': Service.secToHour(row[M + 3] // count), 'mavg200': Service.secToHour(row[M + 4] // count), 'mavg300': Service.secToHour(row[M + 5] // count),
'mavg400': Service.secToHour(row[M + 6] // count), 'mavg500': Service.secToHour(row[M + 7] // count), 'mavg590': Service.secToHour(row[M + 8] // count),
'count': f'{count}'
}
i18nData = self.i18n.variables()
html = self.snippets.asString('HTML_TABLE_YEAR', i18nData, values)
return html
def yearToSvg(self, start: str, end: str):
'''Builds the SVG image from the db data.
@param start: the start of the interval to display
@param end: the end of the interval to display
@returns: the SVG text
'''
wordsStart = start.split(' ')
partsStart = wordsStart[0].split(self.i18n.separatorDate)
wordsEnd = end.split(' ')
partsEnd = wordsEnd[0].split(self.i18n.separatorDate)
if len(partsStart) != 3 or len(partsEnd) != 3:
content = ''
else:
content = ''
return content
def config(self):
'''Reads the configuration file and sets the internal variables.
'''
if not os.path.exists(self._configFile):
self.error(f'missing configuration {self._configFile}')
else:
conf = Configuration(self._configFile)
self.interface = conf.asString('net.interface', self.interface)
self.dayTitle = conf.asString('website.day.title')
self.yearTitle = conf.asString('website.year.title')
self.title = conf.asString('website.title')
self.port = conf.asInt('net.port', self.port)
self.i18nFilePrefix = conf.asString(
'i18n.data', self.i18nFilePrefix)
self.fileSnippets = conf.asString(
'snippets.file', self.fileSnippets)
self.bestStartDate = conf.asString('best.start.date')
self.timeZone = conf.asInt('timezone.offset', 0)
self.dbConfig(conf)
def example(self):
'''Creates an example configuration file.
'''
content = f'''# Configuration for sunserver:
{SilentLog.examples()}
net.interface=localhost
net.port=8080
db.name=appsunmonitor
db.user=sun
db.code=sun4sun
website.title=My Sun Statistic
website.day.title=Sun Daily Statistic
website.year.title=Sun Year Statistic
best.start.date=2023-01-01
'''
content += '''base=/opt/sunmonitor
i18n.data=~{base}/sunserver.i18n
i18n.languages=de en
snippets.file=~{\base\}/sunserver.snippets.html
'''
if os.path.exists(self._configFile):
print(f'# {self._configFile} already exists\n')
print(content)
else:
with open(self._configFile, "w") as fp:
fp.write(content)
print("written: " + self._configFile)
def htmlDayPage(self):
'''Builds the HTML page of one day.
'''
i18nData = self.i18n.variables()
today = datetime.datetime.now().strftime(self.i18n.formatDate)
if self.fieldDate == '':
self.fieldDate = today
yesterday = (datetime.datetime.now() -
datetime.timedelta(days=1)).strftime(self.i18n.formatDate)
svg = self.dayToSvg(f'{self.fieldDate} {self.fieldFrom}:00',
f'{self.fieldDate} {self.fieldUntil}:00')
bestOf = self.bestOf()
analysis = svg + '\n' + bestOf
values = {'date': self.fieldDate,
'mode1': ' selected="selected"' if self.fieldMode == 1 else '',
'mode2': ' selected="selected"' if self.fieldMode == 2 else '',
'from4': ' selected="selected"' if self.fieldFrom == 4 else '',
'from6': ' selected="selected"' if self.fieldFrom == 6 else '',
'from8': ' selected="selected"' if self.fieldFrom == 8 else '',
'from10': ' selected="selected"' if self.fieldFrom == 10 else '',
'from12': ' selected="selected"' if self.fieldFrom == 12 else '',
'from14': ' selected="selected"' if self.fieldFrom == 14 else '',
'from16': ' selected="selected"' if self.fieldFrom == 16 else '',
'from18': ' selected="selected"' if self.fieldFrom == 18 else '',
'until8': ' selected="selected"' if self.fieldUntil == 8 else '',
'until10': ' selected="selected"' if self.fieldUntil == 10 else '',
'until12': ' selected="selected"' if self.fieldUntil == 12 else '',
'until14': ' selected="selected"' if self.fieldUntil == 14 else '',
'until16': ' selected="selected"' if self.fieldUntil == 16 else '',
'until18': ' selected="selected"' if self.fieldUntil == 18 else '',
'until20': ' selected="selected"' if self.fieldUntil == 20 else '',
'until22': ' selected="selected"' if self.fieldUntil == 22 else '',
'now': today, 'yesterday': yesterday, 'BODY': analysis}
formBody = self.snippets.asString(
'HTML_DAY_FORM_BODY', i18nData, values)
body = self.snippets.asString('HTML_FORM', i18nData, {
'action': '/day', 'method': 'POST', 'id': 'day', 'title': self.dayTitle,
'FORM_BODY': formBody})
self._content = self.snippets.asString(
'HTML_DOCUMENT', i18nData, {'BODY': body})
self._content = self._content.replace('~page.title~', self.title)
def htmlYearPage(self):
'''Builds the HTML page of the current year.
'''
i18nData = self.i18n.variables()
now = datetime.datetime.now()
if self.fieldStart == '':
self.fieldStart = datetime.date(
now.year, 1, 1).strftime(self.i18n.formatDate)
if self.fieldEnd == '':
self.fieldEnd = (now - datetime.timedelta(days=1)
).strftime(self.i18n.formatDate)
svg = self.yearToSvg(self.fieldStart, self.fieldEnd)
analysis = svg + '\n' + self.yearTable()
values = {'start': self.fieldStart, 'end': self.fieldEnd,
'BODY': analysis}
formBody = self.snippets.asString(
'HTML_YEAR_FORM_BODY', i18nData, values)
body = self.snippets.asString('HTML_FORM', i18nData, {
'action': '/year', 'method': 'POST', 'id': 'year', 'title': self.yearTitle,
'FORM_BODY': formBody})
self._content = self.snippets.asString(
'HTML_DOCUMENT', i18nData, {'BODY': body})
self._content = self._content.replace('~page.title~', self.title)
def initService(self):
'''Builds the file defining an SystemD service.
'''
with open('/etc/systemd/system/sunserver.service', 'w') as fp:
fp.write('''[Unit]
Description=A web server displaying statistic data of a Shelly system.
After=syslog.target
[Service]
Type=simple
User=sun
Group=sun
WorkingDirectory=/opt/sunmonitor
#EnvironmentFile=-/etc/sunmonitor/sunmonitor.env
ExecStart=/opt/sunmonitor/sunmonitor.py daemon
#ExecReload=/opt/sunmonitor/sunmonitor.py reload
SyslogIdentifier=sunserver
StandardOutput=syslog
StandardError=syslog
Restart=always
RestartSec=3
[Install]
WantedBy=multi-user.target
''')
class SunServer(http.server.BaseHTTPRequestHandler):
'''Manages the HTTP server displaying statistic data of a photovoltaic device.
'''
def do_GET(self):
'''Handles the GET method.
'''
service = Service.instance()
if self.path.startswith('/day'):
variables = self.path.split('?')
if len(variables) > 1:
date = variables[1].split('&')[0].split('=')
if len(date) > 1 and date[0] == 'date':
service.fieldDate = date[1]
self.handleDayPage(service)
elif self.path.startswith('/year'):
variables = self.path.split('?')
if len(variables) > 1:
definitions = variables[1].split('&')
for definition in definitions:
pair = definition.split('=')
if len(pair) == 2:
if pair[0] == 'start':
self.fieldStart = pair[1]
elif pair[0] == 'end':
self.fieldEnd = pair[1]
self.handleYearPage(service)
else:
service.htmlDayPage()
self.showPage(service)
def do_POST(self):
'''Handles the POST method.
'''
service = Service.instance()
try:
ctype, pdict = cgi.parse_header(self.headers.get('content-type'))
# print(f'ctype: {ctype} pdict.len: {len(pdict)}')
pdict['boundary'] = bytes(pdict['boundary'], 'utf-8')
if ctype == 'multipart/form-data':
fields = cgi.parse_multipart(self.rfile, pdict)
if self.path == '/day':
self.handleDayPage(service, fields)
elif self.path == '/year':
self.handleYearPage(service, fields)
except TypeError as exc:
service.error(str(exc))
service.htmlDayPage()
self.showPage(service)
def handleDayPage(self, service: Service, fields=None):
'''Handles the form submitted from the "day" page.
@param service: the service
@param fields: the fields from the _POST variable
'''
if fields != None:
service.fieldDate = fields.get('date')[0]
service.fieldMode = int(fields.get('mode')[0])
service.fieldFrom = int(fields.get('from')[0])
service.fieldUntil = int(fields.get('until')[0])
service.htmlDayPage()
def handleYearPage(self, service: Service, fields=None):
'''Handles the form submitted from the "day" page.
@param service: the service
@param fields: the fields from the _POST variable
'''
if fields != None:
service.fieldStart = fields.get('start')[0]
service.fieldEnd = fields.get('end')[0]
service.htmlYearPage()
def showPage(self, service: Service):
'''Displays a HTML page.
The page contents come from the service.
@param service: the Service instance
'''
if service.headers != None:
for item in service.headers:
self.send_header(item, service.headers[item])
self.send_response(200)
self.send_header("Content-type", "text/html")
content = bytes(service._content, "utf-8")
self.send_header("content-length", str(len(content)))
self.end_headers()
self.wfile.write(content)
def daemon(argv):
'''Starts a never ending HTTP server process.
'''
Service._instance = Service(argv)
service = Service.instance()
print(
f'sunserver started: {service.interface}:{service.port} Version: {VERSION}')
webServer = http.server.HTTPServer(
(service.interface, service.port), SunServer)
service.verbose = len(argv) >= 1 and argv[0] == '-v'
if service.verbose:
print("verbose mode")
try:
webServer.serve_forever()
except KeyboardInterrupt:
pass
webServer.server_close()
print("Server stopped.")
def image(argv):
service = Service.instance()
if len(argv) < 1:
theDate = datetime.datetime.now().strftime(service.i18n.formatDate)
else:
theDate = argv[0]
parts = theDate.split('.')
theDate = f'{parts[2]}-{parts[1]}-{parts[0]}'
service.dayToSvg(theDate, theDate + ' 23:59:59')
def main(argv):
mode = 'daemon' if len(argv) == 0 else argv[0]
if mode == 'daemon':
daemon(argv[1:])
elif mode == 'image':
image(argv[1:])
elif mode == 'init-service':
service = Service.instance()
service.initService()
elif mode == 'example':
service = Service.instance()
service.example()
else:
print(
f'+++ unknown mode: {mode} Use image | init-service | example | daemon')
if __name__ == "__main__":
main(sys.argv[1:])