--- a/annot-server/utils.py Sat Oct 25 05:41:51 2014 +0200
+++ b/annot-server/utils.py Sat Oct 25 05:43:01 2014 +0200
@@ -4,6 +4,360 @@
# Copyright (c) 2014 IRI
#
+import bisect
+import datetime
+import json
+import logging
+import re
+import uuid
+
+from dateutil.parser import parse as parse_date_raw
+from dateutil.tz import tzutc
+
+from lxml import etree
+
+import requests
+
+
+logger = logging.getLogger(__name__)
PIANOROLL_CHANNEL = 'PIANOROLL'
ANNOTATION_CHANNEL = 'ANNOT'
+
+
+class AnnotationsSynchronizer(object):
+
+ LDT_CONTENT_REST_API_PATH = "api/ldt/1.0/contents/"
+ LDT_PROJECT_REST_API_PATH = "api/ldt/1.0/projects/"
+ DEFAULT_ANNOTATION_CHANNEL = 'ANNOT'
+
+ def parse_date(self, datestr):
+ res = parse_date_raw(datestr)
+ if res.tzinfo is None:
+ res = res.replace(tzinfo=tzutc())
+ return res
+
+ def find_delta(self, ts):
+ if self.deltas:
+ i = bisect.bisect_right(self.deltas, (ts+1,0))
+ if i:
+ return self.deltas[i-1]
+ return (0,0)
+
+
+ def get_filter(self):
+ res = []
+ if self.start_date:
+ res.append({'name': 'ts', 'op': ">=", 'val':self.start_date.isoformat() })
+ if self.end_date:
+ res.append({'name': 'ts', 'op': "<=", 'val':self.end_date.isoformat() })
+ if self.events:
+ res.append({'name': 'event_code', 'op': "in", 'val': self.events })
+ if self.channels:
+ res.append({'name': 'channel', 'op': "in", 'val': self.channels })
+ if self.user_whitelist:
+ res.append({'name': 'user', 'op': "in", 'val': self.user_whitelist })
+ return res
+
+
+ def build_annotation_iterator(self, params):
+ page = 0
+ page_nb = 1
+ while page < page_nb:
+ page += 1
+ params['page'] = page
+ resp = requests.get(self.annot_url, params=params, headers={'Content-Type': 'application/json'})
+ if resp.status_code != requests.codes.ok:
+ self.logger.debug("build_annotation_iterator : request %s : return code %r " % (resp.request.url, resp.status_code))
+ return
+ resp_json = resp.json()
+ page_nb = resp_json.get('total_pages', 1)
+ for item in resp_json.get('objects', []):
+ #TODO: add progress log
+ yield item
+
+
+
+ def __init__(self, start_date=None, end_date=None, duration=None, content_file=None,
+ content_file_write=None, project_id=None,
+ channels=[DEFAULT_ANNOTATION_CHANNEL], events=[], annot_url=None,
+ user_whitelist=None, post_param={}, deltas=None, base_url="http://ldt.iri.centrepompidou.fr/ldtplatform/",
+ content=None, content_id=None, video=None,
+ replace=True, merge=False, name="", batch_size=500,
+ filename="project.ldt", color="16763904", logger=logger):
+
+ self.logger = logger
+ self.base_url = base_url.rstrip("/")+"/" if base_url else base_url
+ self.deltas = deltas
+ self.post_param = {}
+ if isinstance(post_param, basestring):
+ self.post_param = json.loads(post_param)
+ elif post_param:
+ self.post_param = post_param
+
+ self.start_date = None
+ if start_date:
+ if isinstance(start_date, datetime.datetime):
+ self.start_date = start_date
+ else:
+ self.start_date = self.parse_date(str(start_date))
+
+ self.duration = duration
+ self.end_date = None
+ if end_date:
+ if isinstance(end_date, datetime.datetime):
+ self.end_date = end_date
+ else:
+ self.end_date= self.parse_date(str(end_date))
+
+ if end_date:
+ if isinstance(end_date, datetime.datetime):
+ self.end_date = end_date
+ else:
+ self.end_date= self.parse_date(str(end_date))
+ elif self.start_date and self.duration:
+ self.end_date = self.start_date + datetime.timedelta(seconds=self.duration)
+ elif self.start_date and self.base_url:
+ # get duration from api
+ content_url = self.base_url + AnnotationsSynchronizer.LDT_CONTENT_REST_API_PATH + content_id + "/?format=json"
+ self.logger.debug("get duration " + content_url) #@UndefinedVariable
+ r = requests.get(content_url, params=self.post_param)
+ self.logger.debug("get duration resp " + repr(r)) #@UndefinedVariable
+ self.duration = int(r.json()['duration'])
+ self.logger.debug("get duration " + repr(self.duration)) #@UndefinedVariable
+
+ self.end_date = self.start_date + datetime.timedelta(seconds=int(self.duration/1000))
+
+ if self.end_date and self.deltas:
+ self.end_date = self.end_date + datetime.timedelta(milliseconds=self.deltas[-1][1])
+
+ self.content_file = content_file
+ self.project_id = project_id
+ if self.project_id is not None:
+ self.content_file = self.base_url + AnnotationsSynchronizer.LDT_PROJECT_REST_API_PATH + self.project_id + "/?format=json"
+ self.content_file_write = content_file_write
+ if self.content_file_write is None and self.project_id:
+ self.content_file_write = self.content_file
+ self.channels = list(set(channels))
+ self.annot_url = annot_url
+ self.events = list(set(events))
+ self.user_whitelist_file = user_whitelist
+ if self.user_whitelist_file:
+ with open(user_whitelist_file, 'r+') as f:
+ self.user_whitelist = list(set([s.strip() for s in f]))
+ else:
+ self.user_whitelist = None
+ self.content = content
+ self.content_id = content_id
+ self.video = video
+ self.replace = replace
+ self.merge = merge
+ self.name = name
+ self.batch_size = batch_size
+ self.filename = filename
+ self.color = color
+
+ def export_annotations(self):
+
+ root = None
+ ensemble_parent = None
+
+ #to do : analyse situation ldt or iri ? filename set or not ?
+
+ if self.content_file and self.content_file.find("http://") == 0:
+
+ self.logger.debug("url : " + self.content_file) #@UndefinedVariable
+
+ r = requests.get(self.content_file, params=self.post_param)
+ self.logger.debug("url response " + repr(r) + " content " + repr(r.text)) #@UndefinedVariable
+ project = r.json()
+ text_match = re.match(r"\<\?\s*xml.*?\?\>(.*)", project['ldt'], re.I|re.S)
+ root = etree.fromstring(text_match.group(1) if text_match else project['ldt'])
+
+ elif self.content_file and os.path.exists(self.content_file):
+
+ doc = etree.parse(self.content_file)
+ root = doc.getroot()
+
+ content_id = None
+
+ if root is None:
+
+ root = etree.Element(u"iri")
+
+ project = etree.SubElement(root, u"project", {u"abstract":u"Annotations",u"title":u"Annotations", u"user":u"IRI Web", u"id":unicode(uuid.uuid4())})
+
+ medias = etree.SubElement(root, u"medias")
+ media = etree.SubElement(medias, u"media", {u"pict":u"", u"src":unicode(self.content), u"video":unicode(self.video), u"id":unicode(self.content_id), u"extra":u""})
+
+ annotations = etree.SubElement(root, u"annotations")
+ content = etree.SubElement(annotations, u"content", {u"id":unicode(self.content_id)})
+ ensemble_parent = content
+
+ content_id = self.content_id
+
+
+ if ensemble_parent is None:
+ file_type = None
+ for node in root:
+ if node.tag == "project":
+ file_type = "ldt"
+ break
+ elif node.tag == "head":
+ file_type = "iri"
+ break
+
+ if file_type == "ldt":
+ media_nodes = root.xpath("//media")
+ if len(media_nodes) > 0:
+ media = media_nodes[0]
+ annotations_node = root.find(u"annotations")
+ if annotations_node is None:
+ annotations_node = etree.SubElement(root, u"annotations")
+ content_node = annotations_node.find(u"content")
+ if content_node is None:
+ content_node = etree.SubElement(annotations_node,u"content", id=media.get(u"id"))
+ ensemble_parent = content_node
+ content_id = content_node.get(u"id")
+ display_nodes = root.xpath("//displays/display/content[@id='%s']" % content_id)
+ if len(display_nodes) == 0:
+ self.logger.info("No display node found. Will not update display")
+ display_content_node = None
+ else:
+ display_content_node = display_nodes[0]
+
+ elif file_type == "iri":
+ body_node = root.find(u"body")
+ if body_node is None:
+ body_node = etree.SubElement(root, u"body")
+ ensembles_node = body_node.find(u"ensembles")
+ if ensembles_node is None:
+ ensembles_node = etree.SubElement(body_node, u"ensembles")
+ ensemble_parent = ensembles_node
+ content_id = root.xpath("head/meta[@name='id']/@content")[0]
+ display_content_node = None
+
+
+ if ensemble_parent is None:
+ self.logger.error("Can not process file") #@UndefinedVariable
+ sys.exit()
+
+ if self.replace:
+ for ens in ensemble_parent.iterchildren(tag=u"ensemble"):
+ ens_id = ens.get("id","")
+ if ens_id.startswith("annot_"):
+ ensemble_parent.remove(ens)
+ # remove in display nodes
+ if display_content_node is not None:
+ for cut_display in display_content_node.iterchildren():
+ if cut_display.get('idens','') == ens_id:
+ display_content_node.remove(cut_display)
+
+ ensemble = None
+ elements = None
+
+ if self.merge:
+ for ens in ensemble_parent.findall(u"ensemble"):
+ if ens.get('id',"").startswith("annot_"):
+ ensemble = ens
+ break
+ if ensemble is not None:
+ elements = ensemble.find(u".//elements")
+ decoupage = ensemble.find(u"decoupage")
+
+ if ensemble is None or elements is None:
+ ensemble = etree.SubElement(ensemble_parent, u"ensemble", {u"id":u"annot_" + unicode(uuid.uuid4()), u"title":u"Ensemble Annotation", u"author":u"IRI Web", u"abstract":u"Ensemble Annotation"})
+ decoupage = etree.SubElement(ensemble, u"decoupage", {u"id": unicode(uuid.uuid4()), u"author": u"IRI Web"})
+
+ etree.SubElement(decoupage, u"title").text = unicode(self.name)
+ etree.SubElement(decoupage, u"abstract").text = unicode(self.name)
+
+ elements = etree.SubElement(decoupage, u"elements")
+
+ ensemble_id = ensemble.get('id', '')
+ decoupage_id = decoupage.get('id', '') if decoupage is not None else None
+
+
+ filters = self.get_filter()
+
+
+ params = { 'q':json.dumps({'filters':filters}), 'results_per_page': self.batch_size}
+
+
+ for annot in self.build_annotation_iterator(params):
+ annot_ts = self.parse_date(annot['ts'])
+ if self.start_date is None:
+ star_date = annot_ts
+ annot_ts_rel = annot_ts-self.start_date
+ annot_ts_rel_milli = int(round(annot_ts_rel.total_seconds()*1000))
+ d = self.find_delta(annot_ts_rel_milli)
+ if d[1] < 0:
+ continue
+ else :
+ annot_ts_rel_milli -= d[1]
+ annot_content = annot.get('content',{'category':'', 'user':None})
+
+ username = annot_content.get('user', 'anon.') or 'anon.'
+
+ category = annot_content.get('category', None)
+ if category is None:
+ continue
+
+ element = etree.SubElement(elements, u"element" , {u"id":annot.get('uuid', uuid.uuid4()), u"color":unicode(self.color), u"author":unicode(username), u"date":unicode(annot_ts.strftime("%Y/%m/%d")), u"begin": unicode(annot_ts_rel_milli), u"dur":u"0"})
+ etree.SubElement(element, u"title").text = unicode(username) + u": " + unicode(category.get('label', category.get('code', '')))
+ etree.SubElement(element, u"abstract").text = unicode(category.get('label', category.get('code', '')))
+
+ tags_node = etree.SubElement(element, u"tags")
+ etree.SubElement(tags_node,u"tag").text = category.get('code', '')
+
+ meta_element = etree.SubElement(element, u'meta')
+
+ polemics_element = etree.Element(u'polemics')
+ etree.SubElement(polemics_element, u'polemic').text = category.get('code', '')
+ meta_element.append(polemics_element)
+
+ etree.SubElement(meta_element, u"source", attrib={"url":self.annot_url + "/" + annot['uuid'], "mimetype":u"application/json"}).text = etree.CDATA(json.dumps(annot))
+
+ # sort by tc in
+ if self.merge :
+ # remove all elements and put them in a array
+ # sort them with tc
+ #put them back
+ elements[:] = sorted(elements,key=lambda n: int(n.get('begin')))
+
+ #add to display node
+ if display_content_node is not None:
+ display_dec = None
+ for dec in display_content_node.iterchildren(tag=u"decoupage"):
+ if dec.get('idens','') == ensemble_id and dec.get('id', '') == decoupage_id:
+ display_dec = dec
+ break
+ if display_dec is None and ensemble_id and decoupage_id:
+ etree.SubElement(display_content_node, u"decoupage", attrib={'idens': ensemble_id, 'id': decoupage_id, 'tagsSelect':''})
+
+ output_data = etree.tostring(root, encoding="utf-8", method="xml", pretty_print=False, xml_declaration=True)
+
+ if self.content_file_write and self.content_file_write.find("http://") == 0:
+
+ project["ldt"] = output_data
+ project['owner'] = project['owner'].replace('%7E','~')
+ project['contents'] = [c_url.replace('%7E','~') for c_url in project['contents']]
+
+ self.logger.debug("write http " + self.content_file_write) #@UndefinedVariable
+ self.logger.debug("write http " + repr(self.post_param)) #@UndefinedVariable
+ self.logger.debug("write http " + repr(project)) #@UndefinedVariable
+ r = requests.put(self.content_file_write, data=json.dumps(project), headers={'content-type':'application/json'}, params=self.post_param);
+ self.logger.debug("write http " + repr(r) + " content " + r.text) #@UndefinedVariable
+ if r.status_code != requests.codes.ok: # @UndefinedVariable
+ r.raise_for_status()
+ else:
+ if self.content_file_write and os.path.exists(self.content_file_write):
+ dest_file_name = self.content_file_write
+ else:
+ dest_file_name = self.filename
+
+ self.logger.debug("WRITE : " + dest_file_name) #@UndefinedVariable
+ output = open(dest_file_name, "w")
+ output.write(output_data)
+ output.flush()
+ output.close()