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- import os
- import sys
- from datetime import datetime
- import logging
- logger = logging.getLogger('server')
- from functools import partial
- from bottle import Bottle, request, static_file, redirect, abort, response
- import bottle
- botlog = logging.getLogger('bottle')
- botlog.setLevel(logging.INFO)
- botlog.addHandler(logging.StreamHandler(sys.stdout))
- bottle._stderr = lambda x: botlog.info(x.strip())
- from techrec import Rec, RecDB
- from processqueue import get_process_queue
- from forge import create_mp3
- from config_manager import get_config
- def date_read(s):
- return datetime.fromtimestamp(int(s))
- def date_write(dt):
- return dt.strftime('%s')
- def rec_sanitize(rec):
- d = rec.serialize()
- d['starttime'] = date_write(d['starttime'])
- d['endtime'] = date_write(d['endtime'])
- return d
- class DateApp(Bottle):
- '''
- This application will expose some date-related functions; it is intended to
- be used when you need to know the server's time on the browser
- '''
- def __init__(self):
- Bottle.__init__(self)
- self.route('/help', callback=self.help)
- self.route('/date', callback=self.date)
- self.route('/custom', callback=self.custom)
- def date(self):
- n = datetime.now()
- return {
- 'unix': n.strftime('%s'),
- 'isoformat': n.isoformat(),
- 'ctime': n.ctime()
- }
- def custom(self):
- n = datetime.now()
- if 'strftime' not in request.query:
- abort(400, 'Need argument "strftime"')
- response.content_type = 'text/plain'
- return n.strftime(request.query['strftime'])
- def help(self):
- response.content_type = 'text/plain'
- return \
- '/date : get JSON dict containing multiple formats of now()\n' + \
- '/custom?strftime=FORMAT : get now().strftime(FORMAT)'
- class RecAPI(Bottle):
- def __init__(self, app):
- Bottle.__init__(self)
- self._route()
- self._app = app
- self.db = RecDB(get_config()['DB_URI'])
- def _route(self):
- self.post('/create', callback=self.create)
- self.post('/delete', callback=self.delete)
- self.post('/update/<recid:int>', callback=self.update)
- self.post('/generate', callback=self.generate)
- self.get('/help', callback=self.help)
- self.get('/', callback=self.help)
- self.get('/get/search', callback=self.search)
- self.get('/get/ongoing', callback=self.get_ongoing)
- self.get('/get/archive', callback=self.get_archive)
- self.get('/jobs', callback=self.running_jobs)
- self.get('/jobs/<job_id:int>', callback=self.check_job)
- def create(self):
- req = dict(request.POST.allitems())
- ret = {}
- logger.debug("Create request %s " % req)
- now = datetime.now()
- start = date_read(req['starttime']) if 'starttime' in req else now
- name = req['name'] if 'name' in req else ""
- end = date_read(req['endtime']) if 'endtime' in req else now
- rec = Rec(name=name,
- starttime=start,
- endtime=end)
- ret = self.db.add(rec)
- return self.rec_msg("Nuova registrazione creata! (id:%d)" % ret.id,
- rec=rec_sanitize(rec))
- def delete(self):
- req = dict(request.POST.allitems())
- logging.info("Server: request delete %s " % (req))
- if 'id' not in req:
- return self.rec_err("No valid ID")
- if self.db.delete(req["id"]):
- return self.rec_msg("DELETE OK")
- else:
- return self.rec_err("DELETE error: %s" % (self.db.get_err()))
- def update(self, recid):
- req = dict(request.POST.allitems())
- newrec = {}
- now = datetime.now()
- if 'starttime' not in req:
- newrec['starttime'] = now
- else:
- newrec['starttime'] = date_read(req['starttime'])
- if "endtime" not in req:
- newrec['endtime'] = now
- else:
- newrec['endtime'] = date_read(req['endtime'])
- if 'name' in req:
- newrec["name"] = req["name"]
- try:
- logger.info("prima di update")
- result_rec = self.db.update(recid, newrec)
- logger.info("dopo update")
- except Exception as exc:
- return self.rec_err("Errore Aggiornamento", exception=exc)
- return self.rec_msg("Aggiornamento completato!",
- rec=rec_sanitize(result_rec))
- def generate(self):
- # prendiamo la rec in causa
- recid = dict(request.POST.allitems())['id']
- rec = self.db._search(_id=recid)[0]
- if rec.filename is not None and os.path.exists(rec.filename):
- return {'status': 'ready',
- 'message': 'The file has already been generated at %s' %
- rec.filename,
- 'rec': rec
- }
- if get_config()['FORGE_MAX_DURATION'] > 0 and \
- (rec.endtime - rec.starttime).total_seconds() > \
- get_config()['FORGE_MAX_DURATION']:
- response.status = 400
- return {'status': 'error',
- 'message': 'The requested recording is too long' +
- ' (%d seconds)' %
- (rec.endtime - rec.starttime).total_seconds()
- }
- rec.filename = get_config()['AUDIO_OUTPUT_FORMAT'] % {
- 'time': rec.starttime.strftime('%y%m%d_%H%M'),
- 'name': filter(lambda c: c.isalpha(), rec.name)
- }
- self.db.get_session(rec).commit()
- job_id = self._app.pq.submit(
- create_mp3,
- start=rec.starttime,
- end=rec.endtime,
- outfile=os.path.join(get_config()['AUDIO_OUTPUT'], rec.filename),
- options={
- 'title': rec.name,
- 'license_uri': get_config()['TAG_LICENSE_URI'],
- 'extra_tags': get_config()['TAG_EXTRA']
- }
- )
- logger.debug("SUBMITTED: %d" % job_id)
- return self.rec_msg("Aggiornamento completato!",
- job_id=job_id,
- result='/output/' + rec.filename,
- rec=rec_sanitize(rec))
- def check_job(self, job_id):
- try:
- job = self._app.pq.check_job(job_id)
- except ValueError:
- abort(400, 'job_id not valid')
- def ret(status):
- return {'job_status': status, 'job_id': job_id}
- if job is True:
- return ret('DONE')
- if job is False:
- abort(404, 'No such job has ever been spawned')
- else:
- if job.ready():
- try:
- res = job.get()
- return res
- except Exception as exc:
- r = ret('FAILED')
- r['exception'] = str(exc)
- import traceback
- tb = traceback.format_exc()
- logger.warning(tb)
- if get_config()['DEBUG']:
- r['exception'] = "%s: %s" % (str(exc), tb)
- r['traceback'] = tb
- return r
- return ret('WIP')
- def running_jobs(self):
- res = {}
- res['last_job_id'] = self._app.pq.last_job_id
- res['running'] = self._app.pq.jobs.keys()
- return res
- def search(self, args=None):
- req = dict()
- req.update(request.GET.allitems())
- logger.debug("Search request: %s" % (req))
- values = self.db._search(**req)
- from pprint import pprint
- logger.debug("Returned Values %s" %
- pprint([r.serialize() for r in values]))
- ret = {}
- for rec in values:
- ret[rec.id] = rec_sanitize(rec)
- logging.info("Return: %s" % ret)
- return ret
- def get_ongoing(self):
- return {rec.id: rec_sanitize(rec)
- for rec in self.db.get_ongoing()}
- def get_archive(self):
- return {rec.id: rec_sanitize(rec)
- for rec in self.db.get_archive_recent()}
- # @route('/help')
- def help(self):
- return "<h1>help</h1><hr/>\
- <h2>/get, /get/, /get/<id> </h2>\
- <h3>Get Info about rec identified by ID </h3>\
- \
- <h2>/search, /search/, /search/<key>/<value></h2>\
- <h3>Search rec that match key/value (or get all)</h3>\
- \
- <h2>/delete/<id> </h2>\
- <h3>Delete rec identified by ID </h3>\
- <h2>/update </h2>\
- <h3>Not implemented.</h3>"
- # JSON UTILS
- def rec_msg(self, msg, status=True, **kwargs):
- d = {"message": msg, "status": status}
- d.update(kwargs)
- return d
- def rec_err(self, msg, **kwargs):
- return self.rec_msg(msg, status=False, **kwargs)
- class RecServer:
- def __init__(self):
- self._app = Bottle()
- self._app.pq = get_process_queue()
- self._route()
- self.db = RecDB(get_config()['DB_URI'])
- def _route(self):
- # Static part of the site
- self._app.route('/output/<filepath:path>',
- callback=lambda filepath:
- static_file(filepath,
- root=get_config()['AUDIO_OUTPUT'],
- download=True))
- self._app.route('/static/<filepath:path>',
- callback=lambda filepath: static_file(filepath,
- root='static/'))
- self._app.route('/', callback=lambda: redirect('/new.html'))
- self._app.route('/new.html',
- callback=partial(static_file, 'new.html',
- root='pages/'))
- self._app.route('/old.html',
- callback=partial(static_file, 'old.html',
- root='pages/'))
- self._app.route('/archive.html',
- callback=partial(static_file, 'archive.html',
- root='pages/'))
- class DebugAPI(Bottle):
- '''
- This application is useful for testing the webserver itself
- '''
- def __init__(self):
- Bottle.__init__(self)
- self.route('/sleep/:milliseconds', callback=self.sleep)
- self.route('/cpusleep/:howmuch', callback=self.cpusleep)
- self.route('/big/:exponent', callback=self.big)
- def sleep(self, milliseconds):
- import time
- time.sleep(int(milliseconds)/1000.0)
- return 'ok'
- def cpusleep(self, howmuch):
- out = ''
- for i in xrange(int(howmuch) * (10**3)):
- if i % 11234 == 0:
- out += 'a'
- return out
- def big(self, exponent):
- '''
- returns a 2**n -1 string
- '''
- for i in xrange(int(exponent)):
- yield str(i) * (2 ** i)
- def help(self):
- response.content_type = 'text/plain'
- return '''
- /sleep/<int:milliseconds> : sleep, than say "ok"
- /cpusleep/<int:howmuch> : busysleep, than say "ok"
- /big/<int:exponent> : returns a 2**n -1 byte content
- '''
- class PasteLoggingServer(bottle.PasteServer):
- def run(self, handler): # pragma: no cover
- from paste import httpserver
- from paste.translogger import TransLogger
- handler = TransLogger(handler, **self.options['translogger_opts'])
- del self.options['translogger_opts']
- httpserver.serve(handler, host=self.host, port=str(self.port),
- **self.options)
- bottle.server_names['pastelog'] = PasteLoggingServer
- def main_cmd(*args):
- """meant to be called from argparse"""
- c = RecServer()
- c._app.mount('/date', DateApp())
- c._app.mount('/api', RecAPI(c._app))
- if get_config()['DEBUG']:
- c._app.mount('/debug', DebugAPI())
- server = get_config()['WSGI_SERVER']
- if server == 'pastelog':
- from paste.translogger import TransLogger
- get_config()['WSGI_SERVER_OPTIONS']['translogger_opts'] = \
- get_config()['TRANSLOGGER_OPTS']
- c._app.run(server=server,
- host=get_config()['HOST'],
- port=get_config()['PORT'],
- debug=get_config()['DEBUG'],
- quiet=True, # this is to hide access.log style messages
- **get_config()['WSGI_SERVER_OPTIONS']
- )
- if __name__ == '__main__':
- from cli import common_pre
- common_pre()
- logger.warn("Usage of server.py is deprecated; use cli.py")
- main_cmd()
- # vim: set ts=4 sw=4 et ai ft=python:
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