ScoDoc/sco_up_to_date.py

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2020-09-26 16:19:37 +02:00
# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# Gestion scolarite IUT
#
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# Copyright (c) 1999 - 2021 Emmanuel Viennet. All rights reserved.
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#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Emmanuel Viennet emmanuel.viennet@viennet.net
#
##############################################################################
""" Verification version logiciel vs version "stable" sur serveur
N'effectue pas la mise à jour automatiquement, mais permet un affichage d'avertissement.
"""
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import datetime
import re
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import sco_utils as scu
from notes_log import log
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# Appel renvoyant la subversion "stable"
# La notion de "stable" est juste là pour éviter d'afficher trop frequemment
# des avertissements de mise à jour: on veut pouvoir inciter à mettre à jour lors de
# correctifs majeurs.
GET_VER_URL = "http://scodoc.iutv.univ-paris13.fr/scodoc-installmgr/last_stable_version"
def get_last_stable_version():
"""request last stable version number from server
(returns string as given by server, empty if failure)
(do not wait server answer more than 3 seconds)
"""
global _LAST_UP_TO_DATE_REQUEST
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ans = scu.query_portal(
GET_VER_URL, msg="ScoDoc version server", timeout=3
) # sco_utils
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if ans:
ans = ans.strip()
_LAST_UP_TO_DATE_REQUEST = datetime.datetime.now()
log(
'get_last_stable_version: updated at %s, answer="%s"'
% (_LAST_UP_TO_DATE_REQUEST, ans)
)
return ans
_LAST_UP_TO_DATE_REQUEST = None # datetime of last request to server
_UP_TO_DATE = True # cached result (limit requests to 1 per day)
_UP_TO_DATE_MSG = ""
def is_up_to_date(context):
"""True if up_to_date
Returns status, message
"""
global _LAST_UP_TO_DATE_REQUEST, _UP_TO_DATE, _UP_TO_DATE_MSG
if _LAST_UP_TO_DATE_REQUEST and (
datetime.datetime.now() - _LAST_UP_TO_DATE_REQUEST
) < datetime.timedelta(1):
# requete deja effectuee aujourd'hui:
return _UP_TO_DATE, _UP_TO_DATE_MSG
last_stable_ver = get_last_stable_version()
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cur_ver = scu.get_svn_version(context.file_path) # in sco_utils
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cur_ver2 = cur_ver
cur_ver_num = -1
# Convert versions to integers:
try:
# cur_ver can be "1234" or "1234M' or '1234:1245M'...
fs = cur_ver.split(":", 1)
if len(fs) > 1:
cur_ver2 = fs[-1]
m = re.match(r"([0-9]*)", cur_ver2)
if not m:
raise ValueError(
"invalid svn version"
) # should never occur, regexp always (maybe empty) match
cur_ver_num = int(m.group(1))
except:
log('Warning: no numeric subversion ! (cur_ver="%s")' % cur_ver)
return _UP_TO_DATE, _UP_TO_DATE_MSG # silently ignore misconfiguration ?
try:
last_stable_ver_num = int(last_stable_ver)
except:
log("Warning: last_stable_version returned by server is invalid !")
return (
_UP_TO_DATE,
_UP_TO_DATE_MSG,
) # should ignore this error (maybe server is unreachable)
#
if cur_ver_num < last_stable_ver_num:
_UP_TO_DATE = False
_UP_TO_DATE_MSG = "Version %s disponible (version %s installée)" % (
last_stable_ver,
cur_ver_num,
)
log(
"Warning: ScoDoc installation is not up-to-date, should upgrade\n%s"
% _UP_TO_DATE_MSG
)
else:
_UP_TO_DATE = True
_UP_TO_DATE_MSG = ""
log(
"ScoDoc is up-to-date (cur_ver: %s, using %s=%s)"
% (cur_ver, cur_ver2, cur_ver_num)
)
return _UP_TO_DATE, _UP_TO_DATE_MSG
def html_up_to_date_box(context):
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""""""
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status, msg = is_up_to_date(context)
if status:
return ""
return (
"""<div class="update_warning">
<span>Attention: cette installation de ScoDoc n'est pas à jour.</span>
<div class="update_warning_sub">Contactez votre administrateur. %s</div>
</div>"""
% msg
)