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