majgis

from django.db import models

class QuerySetManager(models.Manager):
  """Add new QuerySet methods using a Model inner class

  Reference:
    http://djangosnippets.org/snippets/734/

  """

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""" Inherit SafeReadOnly for safe access to mutable objects on classes

  * Deep copy of mutable attributes on accessing uninstantiated class
  * No assignment to class attributes on uninstantiated class
  * Deep copy of mutable attributes when class is instantiated

"""


from collections import Hashable

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expire_deltas = {
  'minutes': frdelta.FWD_MIN,
  'hours' : frdelta.FWD_HR,
  'days': frdelta.FWD_DAY,
  'months': frdelta.FWD_MO,
  'years': frdelta.FWD_YR,
}

def GetExpireDate(expire_date='months', now=None):
  """Convert expire_date arguments to date 

majgis

Copyright (c) 2012, Michael A. Jackson
All rights reserved.
 
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
 
  * Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.
 
  * Redistributions in binary form must reproduce the above copyright notice,

majgis

"""Floored Relative Delta(frdelta)

  This module contains ready-made relativedeltas.  The kwargs class contains
  all the key word arguments used to create the relativedeltas

  All relativedeltas are floored, ie. all lesser absolute information is set
  to zero.

  If you need more than one forward(FWD) or backward(BWD), use multiplication:
    This:

majgis

def DefaultKwargs(**init_kwargs):
  """Decorator factory for passing default kwargs to the decorated function.

  Returns:
    decorator function
  """

  def decorator(func):
    """Recieves a function, then wraps it with wrapper_func

majgis

class C(object):

    def __init__(self, x=None):
      self.x = x

    @property
    def x(self):
        return self._x

    @x.setter

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// Modified excerpt from:
//   https://developer.mozilla.org/en-US/docs/JavaScript/Introduction_to_Object-Oriented_JavaScript

// define the Person Class
function Person(name) {
	
	//Public property
	this.name = name;
	
        //Private property

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#Compact example to get the name of the primary key field of a Django model.
loc_fields = self._model._meta.fields
loc_pk = next((f.db_column or f.name for f in loc_fields if f.primary_key))

#Get all related model classes for a model class or instance
related_models = [f.rel.to for f in loc_record._meta.fields if f.rel]

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class DictWrap(object):
  """ Wrap an existing dict, or create a new one, and access with either dot 
    notation or key lookup.

    The attribute _data is reserved and stores the underlying dictionary.
    When using the += operator with create=True, the empty nested dict is 
    replaced with the operand, effectively creating a default dictionary
    of mixed types.

    args: