datatracker/ietf/meeting/helpers.py
2016-01-25 23:06:41 +00:00

289 lines
10 KiB
Python

# Copyright The IETF Trust 2007, All Rights Reserved
import datetime
import os
import re
from tempfile import mkstemp
from django.http import HttpRequest, Http404
from django.db.models import Max, Q, Prefetch, F
from django.conf import settings
from django.core.cache import cache
from django.utils.cache import get_cache_key
from django.shortcuts import get_object_or_404
import debug # pyflakes:ignore
from ietf.doc.models import Document
from ietf.group.models import Group
from ietf.ietfauth.utils import has_role, user_is_person
from ietf.person.models import Person
from ietf.meeting.models import Meeting
from ietf.utils.history import find_history_active_at, find_history_replacements_active_at
from ietf.utils.pipe import pipe
def find_ads_for_meeting(meeting):
ads = []
meeting_time = datetime.datetime.combine(meeting.date, datetime.time(0, 0, 0))
num = 0
# get list of ADs which are/were active at the time of the meeting.
# (previous [x for x in y] syntax changed to aid debugging)
for g in Group.objects.filter(type="area").order_by("acronym"):
history = find_history_active_at(g, meeting_time)
num = num +1
if history and history != g:
#print " history[%u]: %s" % (num, history)
if history.state_id == "active":
for x in history.rolehistory_set.filter(name="ad",group__type='area').select_related('group', 'person', 'email'):
#print "xh[%u]: %s" % (num, x)
ads.append(x)
else:
#print " group[%u]: %s" % (num, g)
if g.state_id == "active":
for x in g.role_set.filter(name="ad",group__type='area').select_related('group', 'person', 'email'):
#print "xg[%u]: %s (#%u)" % (num, x, x.pk)
ads.append(x)
return ads
# get list of all areas, + IRTF + IETF (plenaries).
def get_pseudo_areas():
return Group.objects.filter(Q(state="active", name="IRTF")|
Q(state="active", name="IETF")|
Q(state="active", type="area")).order_by('acronym')
# get list of all areas, + IRTF.
def get_areas():
return Group.objects.filter(Q(state="active",
name="IRTF")|
Q(state="active", type="area")).order_by('acronym')
# get list of areas that are referenced.
def get_area_list_from_sessions(assignments, num):
return assignments.filter(timeslot__type = 'Session',
session__group__parent__isnull = False).order_by(
'session__group__parent__acronym').distinct().values_list(
'session__group__parent__acronym',flat=True)
def build_all_agenda_slices(meeting):
time_slices = []
date_slices = {}
for ts in meeting.timeslot_set.filter(type__in=['session',]).order_by('time','name'):
ymd = ts.time.date()
if ymd not in date_slices and ts.location != None:
date_slices[ymd] = []
time_slices.append(ymd)
if ymd in date_slices:
if [ts.time, ts.time+ts.duration] not in date_slices[ymd]: # only keep unique entries
date_slices[ymd].append([ts.time, ts.time+ts.duration])
time_slices.sort()
return time_slices,date_slices
def get_all_assignments_from_schedule(schedule):
ss = schedule.assignments.filter(timeslot__location__isnull = False)
ss = ss.filter(session__type__slug='session')
ss = ss.order_by('timeslot__time','timeslot__name')
return ss
def get_modified_from_assignments(assignments):
return assignments.aggregate(Max('timeslot__modified'))['timeslot__modified__max']
def get_wg_name_list(assignments):
return assignments.filter(timeslot__type = 'Session',
session__group__isnull = False,
session__group__parent__isnull = False).order_by(
'session__group__acronym').distinct().values_list(
'session__group__acronym',flat=True)
def get_wg_list(assignments):
wg_name_list = get_wg_name_list(assignments)
return Group.objects.filter(acronym__in = set(wg_name_list)).order_by('parent__acronym','acronym')
def get_meetings(num=None,type_in=['ietf',]):
meetings = Meeting.objects
if type_in:
meetings = meetings.filter(type__in=type_in)
if num == None:
meetings = meetings.order_by("-date")
else:
meetings = meetings.filter(number=num)
return meetings
def get_meeting(num=None,type_in=['ietf',]):
meetings = get_meetings(num,type_in)
if meetings.exists():
return meetings.first()
else:
raise Http404("No such meeting found: %s" % num)
def get_schedule(meeting, name=None):
if name is None:
schedule = meeting.agenda
else:
schedule = get_object_or_404(meeting.schedule_set, name=name)
return schedule
def get_schedule_by_id(meeting, schedid):
if schedid is None:
schedule = meeting.agenda
else:
schedule = get_object_or_404(meeting.schedule_set, id=int(schedid))
return schedule
# seems this belongs in ietf/person/utils.py?
def get_person_by_email(email):
# email == None may actually match people who haven't set an email!
if email is None:
return None
return Person.objects.filter(email__address=email).distinct().first()
def get_schedule_by_name(meeting, owner, name):
if owner is not None:
return meeting.schedule_set.filter(owner = owner, name = name).first()
else:
return meeting.schedule_set.filter(name = name).first()
def preprocess_assignments_for_agenda(assignments_queryset, meeting):
# prefetch some stuff to prevent a myriad of small, inefficient queries
assignments_queryset = assignments_queryset.select_related(
"timeslot", "timeslot__location", "timeslot__type",
"session",
"session__group", "session__group__charter", "session__group__charter__group",
).prefetch_related(
Prefetch("session__materials",
queryset=Document.objects.exclude(states__type=F("type"),states__slug='deleted').select_related("group").order_by("order"),
to_attr="prefetched_active_materials",
),
"timeslot__meeting",
)
assignments = list(assignments_queryset) # make sure we're set in stone
meeting_time = datetime.datetime.combine(meeting.date, datetime.time())
# replace groups with historic counterparts
for a in assignments:
if a.session:
a.session.historic_group = None
groups = [a.session.group for a in assignments if a.session and a.session.group]
group_replacements = find_history_replacements_active_at(groups, meeting_time)
for a in assignments:
if a.session and a.session.group:
a.session.historic_group = group_replacements.get(a.session.group_id)
# replace group parents with historic counterparts
for a in assignments:
if a.session and a.session.historic_group:
a.session.historic_group.historic_parent = None
parents = Group.objects.filter(pk__in=set(a.session.historic_group.parent_id for a in assignments if a.session and a.session.historic_group and a.session.historic_group.parent_id))
parent_replacements = find_history_replacements_active_at(parents, meeting_time)
for a in assignments:
if a.session and a.session.historic_group and a.session.historic_group.parent_id:
a.session.historic_group.historic_parent = parent_replacements.get(a.session.historic_group.parent_id)
return assignments
def read_agenda_file(num, doc):
# XXXX FIXME: the path fragment in the code below should be moved to
# settings.py. The *_PATH settings should be generalized to format()
# style python format, something like this:
# DOC_PATH_FORMAT = { "agenda": "/foo/bar/agenda-{meeting.number}/agenda-{meeting-number}-{doc.group}*", }
path = os.path.join(settings.AGENDA_PATH, "%s/agenda/%s" % (num, doc.external_url))
if os.path.exists(path):
with open(path) as f:
return f.read()
else:
return None
def convert_draft_to_pdf(doc_name):
inpath = os.path.join(settings.IDSUBMIT_REPOSITORY_PATH, doc_name + ".txt")
outpath = os.path.join(settings.INTERNET_DRAFT_PDF_PATH, doc_name + ".pdf")
try:
infile = open(inpath, "r")
except IOError:
return
t,tempname = mkstemp()
os.close(t)
tempfile = open(tempname, "w")
pageend = 0;
newpage = 0;
formfeed = 0;
for line in infile:
line = re.sub("\r","",line)
line = re.sub("[ \t]+$","",line)
if re.search("\[?[Pp]age [0-9ivx]+\]?[ \t]*$",line):
pageend=1
tempfile.write(line)
continue
if re.search("^[ \t]*\f",line):
formfeed=1
tempfile.write(line)
continue
if re.search("^ *INTERNET.DRAFT.+[0-9]+ *$",line) or re.search("^ *Internet.Draft.+[0-9]+ *$",line) or re.search("^draft-[-a-z0-9_.]+.*[0-9][0-9][0-9][0-9]$",line) or re.search("^RFC.+[0-9]+$",line):
newpage=1
if re.search("^[ \t]*$",line) and pageend and not newpage:
continue
if pageend and newpage and not formfeed:
tempfile.write("\f")
pageend=0
formfeed=0
newpage=0
tempfile.write(line)
infile.close()
tempfile.close()
t,psname = mkstemp()
os.close(t)
pipe("enscript --margins 76::76: -B -q -p "+psname + " " +tempname)
os.unlink(tempname)
pipe("ps2pdf "+psname+" "+outpath)
os.unlink(psname)
def agenda_permissions(meeting, schedule, user):
# do this in positive logic.
cansee = False
canedit = False
secretariat = False
if has_role(user, 'Secretariat'):
cansee = True
secretariat = True
# NOTE: secretariat is not superuser for edit!
elif schedule.public:
cansee = True
elif schedule.visible and has_role(user, ['Area Director', 'IAB Chair', 'IRTF Chair']):
cansee = True
if user_is_person(user, schedule.owner):
cansee = True
canedit = True
return cansee, canedit, secretariat
def session_constraint_expire(request,session):
from django.core.urlresolvers import reverse
from ajax import session_constraints
path = reverse(session_constraints, args=[session.meeting.number, session.pk])
temp_request = HttpRequest()
temp_request.path = path
temp_request.META['HTTP_HOST'] = request.META['HTTP_HOST']
key = get_cache_key(temp_request)
if key is not None and cache.has_key(key):
cache.delete(key)