autrilla

from django.db import models
from django.contrib.auth.models import AbstractBaseUser


class Zone(models.Model):
    name = models.CharField(max_length=35)


class Farm(Zone):
    pass

autrilla

from django.db import models


class Zone(models.Model):
    name = models.CharField(max_length=35)


class Farm(Zone):
    pass

autrilla

from django.db import models
from datetime import datetime


class Zone(models.Model):
    ''' Generic Zone superclass. '''
    name = models.CharField(max_length=35)


class Farm(Zone):

autrilla

Creating test database for alias 'default'...
Destroying test database for alias 'default'...

autrilla

E
======================================================================
ERROR: FarmNet.tests (unittest.loader.ModuleImportFailure)
----------------------------------------------------------------------
Traceback (most recent call last):
  File /usr/lib64/python3.4/unittest/case.py, line 58, in testPartExecutor
    yield
  File /usr/lib64/python3.4/unittest/case.py, line 577, in run
    testMethod()
  File /usr/lib64/python3.4/unittest/loader.py, line 32, in testFailure

autrilla

from django.db import models
from django.utils import timezone

class Zone(models.Model):
    ''' Generic Zone superclass. '''
    name = models.CharField(max_length=35)


class Farm(Zone):
    ''' Farm. Users can have many of these. '''

autrilla

[  1270.965] 
X.Org X Server 1.17.1
Release Date: 2015-02-10
[  1270.968] X Protocol Version 11, Revision 0
[  1270.970] Build Operating System: Linux 3.19.2-1-ARCH x86_64 
[  1270.971] Current Operating System: Linux autrilla 3.19.3-3-ARCH #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015 x86_64
[  1270.971] Kernel command line: initrd=\initramfs-linux.img root=UUID=80474b4b-2858-4e88-a367-f4cb9fe172d6 rw rootflags=subvol=rootvol systemd.unit=multi-user.target nomodeset
[  1270.974] Build Date: 14 April 2015  10:34:18AM
[  1270.976]  
[  1270.977] Current version of pixman: 0.32.6

autrilla

import scrapy
from scrapy.contrib.spiders import CrawlSpider, Rule
from scrapy.contrib.linkextractors import LinkExtractor


class StoreSpider(CrawlSpider):
    name = 'store'
    allowed_domains =['tiendaganadera.com', 'tiendaagricola.com']
    start_urls = ['http://tiendaganadera.com/home.php',
                  'http://tiendaagricola.com/home.php']

autrilla

import scrapy
from scrapy.contrib.spiders import CrawlSpider, Rule
from scrapy.contrib.linkextractors import LinkExtractor

class StoreSpider(CrawlSpider):
    name = 'store'
    allowed_domains =['tiendaganadera.com', 'tiendaagricola.com']
    start_urls = ['http://tiendaganadera.com/home.php',
                  'http://tiendaagricola.com/home.php']

autrilla

X marks intersection points
Cliens want to write to a shared file
All acceptors and learners start with no one ('null') having access

ClientA   ClientB   Proposer  Acceptor1   Acceptor2   Acceptor3   LearnerX  LearnerY
  |         |         |          |            |           |           |         |
  X------------------>|          |            |           |           |         |       Request(ClientA)
  |         |         X--------->|----------->|---------->|           |         |       Prepare(transaction_id=1)
  |         |         |<---------X------------X-----------X           |         |       Promise(transaction_id=1, {null, null, null}) // Acceptors answer with their current value, i.e. who currently has write access
  |         |         X--------->|----------->|---------->|           |         |       Accept(transaction_id=1, ClientA) // The proposer decides to let ClientA access the file