Публикации с меткой «snippet»

# ...
# There are models Subscription and MailList defined above.
# MailList has a many to many field 'managers'. This field
# defines which manager is able to edit/add subscriptions to
# a maillist.
# 
# To filter choices in the Django's admin, I use following code:

class SubscriptionAdmin(admin.ModelAdmin):
    list_display = ('id', 'mail_list', 'email', 'name')

    def get_form(self, request, obj=None, **kwargs):
        form_class = super(SubscriptionAdmin, self).get_form(request, obj = obj, **kwargs)

        class ModelFormWithPermissions(form_class):
            def __init__(self, *args, **kwargs):
                super(ModelFormWithPermissions, self).__init__(*args, **kwargs)

                self.fields['mail_list'].queryset = \ 
                    MailList.objects.filter(
                        managers__id = request.user.id
                    )

        return ModelFormWithPermissions

site.register(Subscription, SubscriptionAdmin)

# This code creates a special ModelForm class which know
# about the current user, his 'id' and permissions.

# ...
# There are models Subscription and MailList defined above.
# MailList has a many to many field 'managers'. This field
# defines which manager is able to edit/add subscriptions to
# a maillist.
# 
# To filter choices in the Django's admin, I use following code:

class SubscriptionAdmin(admin.ModelAdmin):
    list_display = ('id', 'mail_list', 'email', 'name')

    def get_form(self, request, obj=None, **kwargs):
        form_class = super(SubscriptionAdmin, self).get_form(request, obj = obj, **kwargs)

        class ModelFormWithPermissions(form_class):
            def __init__(self, *args, **kwargs):
                super(ModelFormWithPermissions, self).__init__(*args, **kwargs)

                self.fields['mail_list'].queryset = \ 
                    MailList.objects.filter(
                        managers__id = request.user.id
                    )   

        return ModelFormWithPermissions

site.register(Subscription, SubscriptionAdmin)

# This code creates a special ModelForm class which know
# about the current user, his 'id' and permissions.

def parse_color(s):
    """ Parses color string in format #ABC or #AABBCC to RGB tuple. """
    l = len(s)
    assert(l in (4,5,7,9))

    if l in (4,5):
        return tuple(int(ch * 2, 16) for ch in s[1:])
    else:
        return tuple(int(ch1 + ch2, 16) for ch1, ch2 in \
                     zip(
                        (ch1 for ch1 in s[1::2]),
                        (ch2 for ch2 in s[2::2])
                        )
                    )

def parse_color(s):
    """ Parses color string in format #ABC or #AABBCC to RGB tuple. """
    l = len(s)
    assert(l in (4,5,7,9))

    if l in (4,5):
        return tuple(int(ch * 2, 16) for ch in s[1:])
    else:
        return tuple(int(ch1 + ch2, 16) for ch1, ch2 in \
                     zip(
                        (ch1 for ch1 in s[1::2]),
                        (ch2 for ch2 in s[2::2])
                        )
                    )

INSTALLED_APPS = (
    'django.contrib.sessions',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sites',
    'django.contrib.admin',
    'django.contrib.markup',
    'django.contrib.sitemaps',
    'django.contrib.humanize',
    'django.contrib.comments',
    'django_faces',
    'django_openid',
    'blog',
    'gallery',
    'tagging',
    'firefly.utils',
    'firefly.my_comments',
)
COMMENTS_APP = 'firefly.my_comments'

from django import forms
from django.utils.translation import ugettext_lazy as _
from django.contrib.comments.forms import CommentDetailsForm

class CommentForm(CommentDetailsForm):
    email = forms.EmailField(label=_("Email address"), required=False)

def get_form():
    return CommentForm

#########################################################
# Title: Simple ElementTree accessor
# Author: Alexander Artemenko <svetlyak.40wt@gmail.com>
# Site: http://aartemenko.com
# License: New BSD License
#########################################################

class Accessor(object):
    """Easy to use ElementTree accessor."""

    def __init__(self, xml):
        self.xml = xml

    def __repr__(self):
        return '<Element %s>' % self.xml.tag

    def __len__(self):
        return self.xml.__len__()

    def __iter__(self):
        return iter(self.xml)

    def __getattribute__(self, name):
        """
        >>> from xml.etree import ElementTree as ET
        >>> xml = ET.fromstring('<a b="blah"><c id="1"/><c id="2"><d>Hello</d></c></a>')
        >>> a = Accessor(xml)
        >>> a.b
        'blah'
        >>> a.c
        [<Element c>, <Element c>]
        >>> a.c[1].d
        <Element d>
        >>> a.c[1].d.text
        'Hello'
        >>> ET.tostring(a)
        '<a b="blah"><c id="1" /><c id="2"><d>Hello</d></c></a>'
        """
        if name == 'xml':
            return object.__getattribute__(self, name)

        elements = self.xml.findall(name)
        l = len(elements)
        if l == 1:
            return Accessor(elements[0])
        elif l > 1:
            return map(Accessor, elements)

        if self.xml.attrib.has_key(name):
            return self.xml.attrib[name]

        if hasattr(self.xml, name):
            return getattr(self.xml, name)
        raise AttributeError