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توضیحات

Attributes and a persistend dict type for django models in a JQuery inspired syntax.

ویژگی	مقدار
سیستم عامل	-
نام فایل	anyit.djattributes-0.3.1
نام	anyit.djattributes
نسخه کتابخانه	0.3.1
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Jan Hoehn
ایمیل نویسنده	jan@anyit.de
آدرس صفحه اصلی	UNKNOWN
آدرس اینترنتی	https://pypi.org/project/anyit.djattributes/
مجوز	BSD

============== attributes ... ============== ... is a *django app* which aims to provide *arbitrary attributes* for any model without touching it. The *flexibility won* is paid with the *speed lost*, which will become obvious in large scaled applications with dense data. Changes in 0.3.1 ================ - Added batch processing for (o)bjects if passed as list argument. - Added batch processing for (n)ames if which will assign (if passed as dict argument) or retreive (list) multiple attributes. - Added namespace like retreivel of nested dict elements using dots (.). Installation ============ - Just copy the attributes folder to your current django project and include 'attributes' in your settings. - Or install it using *sudo easy_install anyit.djattributes* and include 'anyit.djattributes.attributes'. Usage ===== A javascript / JQuery like notation is implemented and provided by a simple interface class called *attr*. No capital letter like in usual classnames trying to make it feel like JQuery. Mind the gap ------------ I am a bit concerned about this being *not compliant to django philosophy*. Make sure you do not use this for large scale non sparse data stuff. I was just bothered with a tree structure containing arbitrary, path dependent attributes. This is why I did it. If I could have avoided this I had my models more nailed down :) Type interfaces --------------- :: # Creates a type. Look at the __doc__ for further info on types and # how they are represented. By now the internal_types int, float, # string, text, unicode, class (any pickleable object) and contenttype, # using a django gereric key, are supported. attr.create_type(name, description , type) # Careful! The cascade will destroy any values of the given type. attr.delete_type(name) Carrier interfaces ------------------ :: # returns all attribute objects attr() # returns a list of attributes for the given owner. attr(owner) # returns the owners attribute with a given name or None. attr(owner, name) # ... set its value or raise if the type is not koscher. attr(owner, name, value) # create_attributetype chooses between creating an attributetype # with the given name, type determined by the given value and the # description set to the given name if a description is not # explicitely provided. create_attribute will associate a given # attribute with a carrier which is not yet attached with an # attribute type like given or raise a NameError. klass chooses # to enforce the attribute being attached to a model, even if an # instance is given. as_attribute will return the attribute, not # it's value. # # special cases: # o is a list: batch processing for multiple objects # n is a dict: batch processing setting multiple attributes # n is a list: batch processing getting multiple attributes # n (items) contain dots (.): namespace like retreival for subkeys # o and n are lists, or n a dict: a nested dict will be returned # # naming conventions for attribute keys # try using unicode # do not use the . attr( owner=None, name=None, value=None, create_attributetype=True, create_attribute=True, klass=False, description=None, as_attribute=False ) Attribute interfaces -------------------- :: # returns the owner of a given attribute attr.find(attribute) # returns a list of attributes for the attribute type of the given name attr.find(name) # returns a list of attributes for the attribute type of the given name matching the value attr.find(name, value) Destructive interfaces ---------------------- :: # deletes all attributes attr.delete() # deletes all attributes having the given type. attr.delete(n=name) # deletes all attributes being attached to the given object or class. attr.delete(o=object) # deletes the attribute named n attached to o, the given object or class. attr.delete(o=object, n=name) Tests ===== To get started you might also want to run the ./manage.py test attributes command and have a look at the second half of the *tests.py* file. Credits ======= The *PickledObjectField* and their tests (found in the first half of tests.py) taken from http://djangosnippets.org/snippets/1694/ and slightly modified so the __in lookup would work, too. Thanks for the snippet. Later I realized, this one might have worked, too: https://github.com/shrubberysoft/django-picklefield/blob/master/src/picklefield/fields.py. Have fun and feel free to contact me if you are having trouble, suggestions, ...

نحوه نصب

نصب پکیج whl anyit.djattributes-0.3.1:

pip install anyit.djattributes-0.3.1.whl

نصب پکیج tar.gz anyit.djattributes-0.3.1:

pip install anyit.djattributes-0.3.1.tar.gz