Drop python2 support
This mostly consists in removing the dependency on "six" and updating
the code to use only Python3 idioms.
Notice that we previously used TemporaryDirectory from
cubicweb.devtools.testlib for compatibility with Python2. We now
directly import it from tempfile.
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""html timetable views"""
from cubicweb import _
from logilab.mtconverter import xml_escape
from logilab.common.date import ONEDAY, date_range, todatetime
from cubicweb.predicates import adaptable
from cubicweb.view import EntityView
class _TaskEntry(object):
def __init__(self, task, color, column):
self.task = task
self.color = color
self.column = column
self.lines = 1
MIN_COLS = 3 # minimum number of task columns for a single user
ALL_USERS = object()
class TimeTableView(EntityView):
__regid__ = 'timetable'
title = _('timetable')
__select__ = adaptable('ICalendarable')
paginable = False
def call(self, title=None):
"""Dumps a timetable from a resultset composed of a note (anything
with start/stop) and a user (anything)"""
self._cw.add_css('cubicweb.timetable.css')
dates = {}
users = []
users_max = {}
# XXX: try refactoring with calendar.py:OneMonthCal
for row in range(self.cw_rset.rowcount):
task = self.cw_rset.get_entity(row, 0)
icalendarable = task.cw_adapt_to('ICalendarable')
if len(self.cw_rset[row]) > 1 and self.cw_rset.description[row][1] == 'CWUser':
user = self.cw_rset.get_entity(row, 1)
else:
user = ALL_USERS
the_dates = []
if icalendarable.start and icalendarable.stop:
if icalendarable.start.toordinal() == icalendarable.stop.toordinal():
the_dates.append(icalendarable.start)
else:
the_dates += date_range(icalendarable.start,
icalendarable.stop + ONEDAY)
elif icalendarable.start:
the_dates.append(icalendarable.start)
elif icalendarable.stop:
the_dates.append(icalendarable.stop)
for d in the_dates:
d = todatetime(d)
d_users = dates.setdefault(d, {})
u_tasks = d_users.setdefault(user, set())
u_tasks.add( task )
task_max = users_max.setdefault(user, 0)
if len(u_tasks)>task_max:
users_max[user] = len(u_tasks)
if user not in users:
# keep original ordering
users.append(user)
if not dates:
return
date_min = min(dates)
date_max = max(dates)
#users = list(sorted(users, key=lambda u:u.login))
rows = []
# colors here are class names defined in cubicweb.css
colors = ["col%x" % i for i in range(12)]
next_color_index = 0
visited_tasks = {} # holds a description of a task for a user
task_colors = {} # remember a color assigned to a task
for date in date_range(date_min, date_max + ONEDAY):
columns = [date]
d_users = dates.get(date, {})
for user in users:
# every user has its column "splitted" in at least MIN_COLS
# sub-columns (for overlapping tasks)
user_columns = [None] * max(MIN_COLS, users_max[user])
# every task that is "visited" for the first time
# require a special treatment, so we put them in
# 'postpone'
postpone = []
for task in d_users.get(user, []):
key = (task, user)
if key in visited_tasks:
task_descr = visited_tasks[ key ]
user_columns[task_descr.column] = task_descr, False
task_descr.lines += 1
else:
postpone.append(key)
for key in postpone:
# to every 'new' task we must affect a color
# (which must be the same for every user concerned
# by the task)
task, user = key
for i, t in enumerate(user_columns):
if t is None:
if task in task_colors:
color = task_colors[task]
else:
color = colors[next_color_index]
next_color_index = (next_color_index+1)%len(colors)
task_colors[task] = color
task_descr = _TaskEntry(task, color, i)
user_columns[i] = task_descr, True
visited_tasks[key] = task_descr
break
else:
raise RuntimeError("is it possible we got it wrong?")
columns.append( user_columns )
rows.append( columns )
widths = [ len(col) for col in rows[0][1:] ]
self.w(u'<div class="section">')
if title:
self.w(u'<h4>%s</h4>\n' % title)
self.w(u'<table class="listing timetable">')
self.render_col_headers(users, widths)
self.render_rows(rows)
self.w(u'</table>')
self.w(u'</div>\n')
def render_col_headers(self, users, widths):
""" render column headers """
self.w(u'<tr class="header">\n')
self.w(u'<th class="ttdate"> </th>\n')
columns = []
for user, width in zip(users, widths):
self.w(u'<th colspan="%s">' % max(MIN_COLS, width))
if user is ALL_USERS:
self.w(u'*')
else:
user.view('oneline', w=self.w)
self.w(u'</th>')
self.w(u'</tr>\n')
return columns
def render_rows(self, rows):
""" render table content (row headers and central content) """
odd = False
previous_is_empty = False
for row in rows:
date = row[0]
empty_line = True
for group in row[1:]:
for value in group:
if value:
empty_line = False
break
else:
continue
break
if empty_line and previous_is_empty:
continue
previous_is_empty = False
klass = "even"
if date.weekday() in (5, 6) and not empty_line:
klass = "odd"
self.w(u'<tr class="%s">' % klass)
odd = not odd
if not empty_line:
self.w(u'<th class="ttdate">%s</th>' % self._cw.format_date(date) )
else:
self.w(u'<th>...</th>' )
previous_is_empty = True
empty_klasses = [ "ttle", "ttme", "ttre" ]
filled_klasses = [ "ttlf", "ttmf", "ttrf" ]
kj = 0 # 0: left, 1: mid, 2: right
for uid, group in enumerate(row[1:]):
for i, value in enumerate(group):
if i == 0:
kj = 0
elif i == len(group):
kj = 2
else:
kj = 1
if value:
task_descr, first_row = value
if first_row:
url = xml_escape(task_descr.task.absolute_url(vid="edition"))
self.w(u'<td rowspan="%d" class="%s %s" onclick="document.location=\'%s\'"> <div>' % (
task_descr.lines, task_descr.color, filled_klasses[kj], url))
task_descr.task.view('tooltip', w=self.w)
self.w(u'</div></td>')
else:
if empty_line:
self.w(u'<td class="ttempty"> </td>')
else:
self.w(u'<td class="%s"> </td>' % empty_klasses[kj] )
self.w(u'</tr>\n')