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annotate bin/subserver @ 1814:fba2a716ef2a

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not safe yet Ignore-this: 8205d3831514567df896cda5f3f734b9
author drewp@bigasterisk.com
date Fri, 08 Jun 2018 11:49:08 +0000
parents 6fa4288da8a6
children 7772cc48e016
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1 #!bin/python
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2 """
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3 live web display of all existing subs with pictures, mainly for
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4 dragging them into CC or Timeline
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5 """
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6 from run_local import log
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7 import sys, optparse, logging, json, subprocess, datetime
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8 from dateutil.tz import tzlocal
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9 from twisted.internet import reactor, defer
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10 import cyclone.web, cyclone.httpclient, cyclone.websocket
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11 from rdflib import RDF, URIRef, Literal
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12 import pyjade.utils
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13 from rdfdb.syncedgraph import SyncedGraph
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14 from rdfdb.patch import Patch
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15 from light9.namespaces import L9, DCTERMS
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16 from light9 import networking, showconfig
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17
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18 from lib.cycloneerr import PrettyErrorHandler
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20 class Static(PrettyErrorHandler, cyclone.web.StaticFileHandler):
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21 def get(self, path, *args, **kw):
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22 if path in ['', 'effects']:
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23 return self.respondStaticJade("light9/subserver/%s.jade" %
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24 (path or 'index'))
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25
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26 if path.endswith(".js"):
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27 return self.responseStaticCoffee(
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28 'light9/subserver/%s' %
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29 path.replace(".js", ".coffee")) # potential security hole
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30
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31 cyclone.web.StaticFileHandler.get(self, path, *args, **kw)
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32
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33 def respondStaticJade(self, src):
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34 html = pyjade.utils.process(open(src).read())
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35 self.write(html)
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36
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37 def responseStaticCoffee(self, src):
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38 self.write(subprocess.check_output([
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39 '/usr/bin/coffee', '--compile', '--print', src]))
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40
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41 class Snapshot(PrettyErrorHandler, cyclone.web.RequestHandler):
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42 @defer.inlineCallbacks
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43 def post(self):
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44 about = URIRef(self.get_argument("about"))
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45 response = yield cyclone.httpclient.fetch(networking.vidref.path("snapshot"), method="POST", timeout=1)
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46
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47 snapUri = URIRef(json.loads(response.body)['snapshot'])
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48 # vidref could write about when it was taken, etc. would it be
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49 # better for us to tell vidref where to attach the result in
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50 # the graph, and then it doesn't even have to return anything?
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51
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52 ctx = showconfig.showUri() + "/snapshots"
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53
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54 self.settings.graph.patch(Patch(addQuads=[
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55 (about, L9['image'], snapUri, ctx),
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56 (snapUri, DCTERMS['created'],
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57 Literal(datetime.datetime.now(tzlocal())), ctx),
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58 ]))
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59
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60 self.write(json.dumps({'snapshot': snapUri}))
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61
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62 def newestImage(subject):
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63 newest = (None, None)
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64 for img in graph.objects(subject, L9['image']):
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65 created = graph.value(img, DCTERMS['created'])
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66 if created > newest[0]:
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67 newest = (created, img)
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68 return newest[1]
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70 if __name__ == "__main__":
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71 parser = optparse.OptionParser()
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72 parser.add_option("-v", "--verbose", action="store_true",
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73 help="logging.DEBUG")
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74 (options, args) = parser.parse_args()
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75
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76 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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77
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78 graph = SyncedGraph(networking.rdfdb.url, "subServer")
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81 port = networking.subServer.port
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82 reactor.listenTCP(port, cyclone.web.Application(handlers=[
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83 (r'/snapshot', Snapshot),
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84 (r'/(.*)', Static,
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85 {"path" : "light9/subserver",
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86 "default_filename" : "index.jade"}),
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87 ], debug=True, graph=graph))
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88 log.info("serving on %s" % port)
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89 reactor.run()