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re2o/re2o/base.py

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# -*- mode: python; coding: utf-8 -*-
# Re2o est un logiciel d'administration développé initiallement au Rézo Metz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2018 Gabriel Détraz
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# -*- coding: utf-8 -*-
"""
Global independant usefull functions
"""
import smtplib
from django.utils.translation import ugettext_lazy as _
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from re2o.settings import EMAIL_HOST
# Mapping of srtftime format for better understanding
# https://docs.python.org/3.6/library/datetime.html#strftime-strptime-behavior
datetime_mapping = {
"%a": "%a",
"%A": "%A",
"%w": "%w",
"%d": "dd",
"%b": "%b",
"%B": "%B",
"%m": "mm",
"%y": "yy",
"%Y": "yyyy",
"%H": "HH",
"%I": "HH(12h)",
"%p": "AMPM",
"%M": "MM",
"%S": "SS",
"%f": "µµ",
"%z": "UTC(+/-HHMM)",
"%Z": "UTC(TZ)",
"%j": "%j",
"%U": "ww",
"%W": "ww",
"%c": "%c",
"%x": "%x",
"%X": "%X",
"%%": "%%",
}
def smtp_check(local_part):
"""Return True if the local_part is already taken
False if available"""
try:
srv = smtplib.SMTP(EMAIL_HOST)
srv.putcmd("vrfy", local_part)
reply_code = srv.getreply()[0]
srv.close()
if reply_code in [250, 252]:
return True, _("This domain is already taken.")
except:
return True, _("SMTP unreachable.")
return False, None
def convert_datetime_format(format):
i = 0
new_format = ""
while i < len(format):
if format[i] == "%":
char = format[i : i + 2]
new_format += datetime_mapping.get(char, char)
i += 2
else:
new_format += format[i]
i += 1
return new_format
def get_input_formats_help_text(input_formats):
"""Returns a help text about the possible input formats"""
if len(input_formats) > 1:
help_text_template = _("Format: {main} {more}")
else:
help_text_template = _("Format: {main}")
more_text_template = '<i class="fa fa-question-circle" title="{}"></i>'
help_text = help_text_template.format(
main=convert_datetime_format(input_formats[0]),
more=more_text_template.format(
"\n".join(map(convert_datetime_format, input_formats))
),
)
return help_text
class SortTable:
""" Class gathering uselful stuff to sort the colums of a table, according
to the column and order requested. It's used with a dict of possible
values and associated model_fields """
# All the possible possible values
# The naming convention is based on the URL or the views function
# The syntax to describe the sort to apply is a dict where the keys are
# the url value and the values are a list of model field name to use to
# order the request. They are applied in the order they are given.
# A 'default' might be provided to specify what to do if the requested col
# doesn't match any keys.
USERS_INDEX = {
"user_name": ["name"],
"user_surname": ["surname"],
"user_pseudo": ["pseudo"],
"user_room": ["room"],
"default": ["state", "pseudo"],
}
USERS_INDEX_BAN = {
"ban_user": ["user__pseudo"],
"ban_start": ["date_start"],
"ban_end": ["date_end"],
"default": ["-date_end"],
}
USERS_INDEX_WHITE = {
"white_user": ["user__pseudo"],
"white_start": ["date_start"],
"white_end": ["date_end"],
"default": ["-date_end"],
}
USERS_INDEX_SCHOOL = {"school_name": ["name"], "default": ["name"]}
MACHINES_INDEX = {"machine_name": ["name"], "default": ["pk"]}
COTISATIONS_INDEX = {
"cotis_user": ["user__pseudo"],
"cotis_paiement": ["paiement__moyen"],
"cotis_date": ["date"],
"cotis_id": ["id"],
"default": ["-date"],
}
COTISATIONS_CUSTOM = {
"invoice_date": ["date"],
"invoice_id": ["id"],
"invoice_recipient": ["recipient"],
"invoice_address": ["address"],
"invoice_payment": ["payment"],
"default": ["-date"],
}
COTISATIONS_CONTROL = {
"control_name": ["user__adherent__name"],
"control_surname": ["user__surname"],
"control_paiement": ["paiement"],
"control_date": ["date"],
"control_valid": ["valid"],
"control_control": ["control"],
"control_id": ["id"],
"control_user-id": ["user__id"],
"default": ["-date"],
}
TOPOLOGIE_INDEX = {
"switch_dns": ["interface__domain__name"],
"switch_ip": ["interface__ipv4__ipv4"],
"switch_loc": ["switchbay__name"],
"switch_ports": ["number"],
"switch_stack": ["stack__name"],
"default": ["switchbay", "stack", "stack_member_id"],
}
TOPOLOGIE_INDEX_PORT = {
"port_port": ["port"],
"port_room": ["room__name"],
"port_interface": ["machine_interface__domain__name"],
"port_related": ["related__switch__name"],
"port_radius": ["radius"],
"port_vlan": ["vlan_force__name"],
"default": ["port"],
}
TOPOLOGIE_INDEX_ROOM = {
"room_name": ["name"],
"building_name": ["building__name"],
"default": ["building__name", "name"],
}
TOPOLOGIE_INDEX_BUILDING = {"building_name": ["name"], "default": ["name"]}
TOPOLOGIE_INDEX_DORMITORY = {"dormitory_name": ["name"], "default": ["name"]}
TOPOLOGIE_INDEX_BORNE = {
"ap_name": ["interface__domain__name"],
"ap_ip": ["interface__ipv4__ipv4"],
"ap_mac": ["interface__mac_address"],
"default": ["interface__domain__name"],
}
TOPOLOGIE_INDEX_STACK = {
"stack_name": ["name"],
"stack_id": ["stack_id"],
"default": ["stack_id"],
}
TOPOLOGIE_INDEX_MODEL_SWITCH = {
"model-switch_name": ["reference"],
"model-switch_contructor": ["constructor__name"],
"default": ["reference"],
}
TOPOLOGIE_INDEX_SWITCH_BAY = {
"switch-bay_name": ["name"],
"switch-bay_building": ["building__name"],
"default": ["name"],
}
TOPOLOGIE_INDEX_CONSTRUCTOR_SWITCH = {
"constructor-switch_name": ["name"],
"default": ["name"],
}
LOGS_INDEX = {
"sum_date": ["revision__date_created"],
"default": ["-revision__date_created"],
}
LOGS_STATS_LOGS = {
"logs_author": ["user__name"],
"logs_date": ["date_created"],
"default": ["-date_created"],
}
@staticmethod
def sort(request, col, order, values):
""" Check if the given values are possible and add .order_by() and
a .reverse() as specified according to those values """
fields = values.get(col, None)
if not fields:
fields = values.get("default", [])
request = request.order_by(*fields)
if values.get(col, None) and order == "desc":
return request.reverse()
else:
return request
def re2o_paginator(request, query_set, pagination_number, page_arg="page"):
"""Paginator script for list display in re2o.
:request:
:query_set: Query_set to paginate
:pagination_number: Number of entries to display"""
paginator = Paginator(query_set, pagination_number)
page = request.GET.get(page_arg)
try:
results = paginator.page(page)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
results = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
results = paginator.page(paginator.num_pages)
return results
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