webutils / webutils / djtools /

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Peter Sanchez 27e478b 
Peter Sanchez c8edf27 
Peter Sanchez 27e478b 

Peter Sanchez c8edf27 
Peter Sanchez 27e478b 

Peter Sanchez c8edf27 

Peter Sanchez 9e5a409 
Peter Sanchez c8edf27 

from django.conf import settings
from django.template.defaultfilters import slugify
from webutils.helpers import grab_from_import

def import_setting_name(setting_name, default_obj=None):
    ''' Used to import an item from a value in the current 
        Django projects
        Example in
            FORM_TO_IMPORT = 'myproject.myapp.forms.CustomForm'
        Then to grab this, just call import_setting_name:
            form = import_setting_name('FORM_TO_IMPORT')
        Pass 'default_obj' 
    if hasattr(settings, setting_name):
            return grab_from_import(
                getattr(settings, setting_name),
        except ImportError, err:
            if default_obj is None:
                raise ImportError(str(err))
    return default_obj

def slugify_uniquely(s, queryset=None, field='slug'):
    --> Taken from django-crm

    Returns a slug based on 's' that is unique for all instances of the given
    field in the given queryset.
    If no string is given or the given string contains no slugify-able
    characters, default to the given field name + N where N is the number of
    default slugs already in the database.
    new_slug = new_slug_base = slugify(s)
    if queryset is not None:
        queryset = queryset.filter(**{'%s__startswith' % field: new_slug_base})
        similar_slugs = [value[0] for value in queryset.values_list(field)]
        i = 1
        while new_slug in similar_slugs:
            new_slug = "%s%d" % (new_slug_base, i)
            i += 1
    return new_slug