You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.5 KiB
111 lines
3.5 KiB
# -*- coding: utf-8 -*-
|
|
from django.http import HttpResponse, Http404
|
|
from json import dumps
|
|
from django.shortcuts import redirect
|
|
from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
|
|
import socket
|
|
import struct
|
|
from django.db import models
|
|
from collections import Iterator
|
|
|
|
|
|
ip_addr_regex = r'^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$'
|
|
|
|
|
|
def ip2int(addr):
|
|
return struct.unpack("!I", socket.inet_aton(addr))[0]
|
|
|
|
|
|
def int2ip(addr):
|
|
return socket.inet_ntoa(struct.pack("!I", addr))
|
|
|
|
|
|
def safe_float(fl):
|
|
return 0.0 if fl is None or fl == '' else float(fl)
|
|
|
|
|
|
def safe_int(i):
|
|
return 0 if i is None or i == '' else int(i)
|
|
|
|
|
|
def res_success(request, redirect_to='/'):
|
|
if request.is_ajax():
|
|
return HttpResponse(dumps({'errnum': 0}))
|
|
else:
|
|
return redirect(redirect_to)
|
|
|
|
|
|
def res_error(request, text):
|
|
if request.is_ajax():
|
|
return HttpResponse(dumps({'errnum':1, 'errtext':text}))
|
|
else:
|
|
raise Http404(text)
|
|
|
|
|
|
# Pagination
|
|
def pag_mn(request, objs, count_per_page=10):
|
|
page = request.GET.get('p')
|
|
pgn = Paginator(objs, count_per_page)
|
|
try:
|
|
objs = pgn.page(page)
|
|
except PageNotAnInteger:
|
|
objs = pgn.page(1)
|
|
except EmptyPage:
|
|
objs = pgn.page(pgn.num_pages)
|
|
return objs
|
|
|
|
|
|
def context_processor_client_ipaddress(request):
|
|
ip = request.META.get('REMOTE_ADDR', '') or request.META.get('HTTP_X_FORWARDED_FOR', '')
|
|
return {
|
|
'client_ipaddress': ip
|
|
}
|
|
#logmodels.debug('%s %s %s'%(request.user, request.path, ip))
|
|
|
|
|
|
class MyGenericIPAddressField(models.GenericIPAddressField):
|
|
|
|
description = "Int32 notation ip address"
|
|
|
|
def __init__(self, protocol='IPv4', *args, **kwargs):
|
|
super(MyGenericIPAddressField, self).__init__(protocol=protocol, *args, **kwargs)
|
|
self.max_length = 8
|
|
|
|
def get_prep_value(self, value):
|
|
# strIp to Int
|
|
value = super(models.GenericIPAddressField, self).get_prep_value(value)
|
|
return ip2int(value)
|
|
|
|
def to_python(self, addr):
|
|
return addr
|
|
|
|
def get_internal_type(self):
|
|
return 'PositiveIntegerField'
|
|
|
|
@staticmethod
|
|
def from_db_value(value, expression, connection, context):
|
|
return int2ip(value)
|
|
|
|
|
|
# Предназначен для Django CHOICES чтоб можно было передавать классы вместо просто описания поля,
|
|
# классы передавать для того чтоб по значению кода из базы понять какой класс нужно взять для нужной функциональности.
|
|
# Например по коду в базе вам нужно определять как считать тариф абонента, что реализовано в возвращаемом классе.
|
|
class MyChoicesAdapter(Iterator):
|
|
chs = tuple()
|
|
current_index = 0
|
|
_max_index = 0
|
|
|
|
# На вход принимает кортеж кортежей, вложенный из 2х элементов: кода и класса, как: TARIFF_CHOICES
|
|
def __init__(self, choices):
|
|
self._max_index = len(choices)
|
|
self.chs = choices
|
|
|
|
def next(self):
|
|
if self.current_index >= self._max_index:
|
|
raise StopIteration
|
|
else:
|
|
e = self.chs
|
|
ci = self.current_index
|
|
res = e[ci][0], e[ci][1].description()
|
|
self.current_index += 1
|
|
return res
|