A Python toolkit for Contentful to let you create/maintain your Content Type and queries in ORM style.
Project description
ContentfulORM
A Python toolkit for Contentful to let you create/maintain your Content Type and queries in ORM style.
Install
- To install:
pip install git+https://github.com/Phoenix-Chen/ContentfulORM.git
Usage
ORM Environment
- Create an ORM Environment:
import contentful_management from contentful_orm import ORMEnvironment # First create an contentful_management.environment.Environment client = contentful_management.Client('CONTENTFUL_MANAGEMENT_TOKEN') space = client.spaces().find('CONTENTFUL_SPACE_ID') environment = space.environments().find('CONTENTFUL_ENVIRONMENT') # Then create ORMEnvironment use contentful_management.environment.Environment orm_env = ORMEnvironment.from_parent(environment)
Content Type Model
- Model your content type:
from datetime import datetime from contentful_orm.models import Model from contentful_orm.fields import ArrayField, BooleanField, DateField, DecimalField, IntegerField, MediaField, ReferenceField, SymbolField, TextField, LocationField from contentful_orm.fields.validations import In, Range, Unique, Size, Regex, ImageDimensions, FileSize # class name will become content type name # class name in camel case will become content type id class Person(Model): # docstring will become content type description """Person model description """ __display_field__ = 'name' # Each field need to be a {SomeType}Field from contentful_orm.fields # Most of the fields have keyword argument: disabled, localized, omitted, required, validations and default # (disabled, localized, omitted and required default to False. validations defaults to []. default defaults to None) email = SymbolField(validations=[Unique, Regex('^\\w[\\w.-]*@([\\w-]+\\.)+[\\w-]+$', error_msg='Invalid email address.')], required=True) name = SymbolField(localized=True, required=True) # ArrayField takes an argument to specify content type title = ArrayField(SymbolField(validations=[In(['Manager', 'Seller'], error_msg='Invalid title')]), localized=True) age = IntegerField(validations=[Range(min=1, error_msg='age must be a positive integer.')]) created_date = DateField(default=datetime.now().strftime("%Y-%m-%dT%H:%M-00:00")) class Company(Model): """Company model description """ __display_field__ = 'name' name = SymbolField(validations=[Unique], required=True) employees = ArrayField(ReferenceField(model_set={Person}, error_msg='employee has to be a Person entry')) address = LocationField() class Product(Model): """Product model description """ __display_field__ = 'name' name = SymbolField(validations=[Unique], required=True) description = TextField(localized=True) # ReferenceField takes an additional keyword argument model_set to restrict reference content type. # (Currently doesn't support reference to the content type itself) seller = ReferenceField(model_set={Person, Company}, error_msg="seller has to be a Person or Company entry") images = ArrayField( MediaField( # validations takes a list of contentful_orm.fields.validations # See: https://www.contentful.com/r/knowledgebase/validations/ for details validations=[ ImageDimensions(max_width=12, max_height=12), FileSize(max=40000, error_msg='Maximum file size is 40000 Bytes') ]), validations=[Size(max=10, error_msg="At most 10 images")] ) sponsored = BooleanField(required=True) price = DecimalField(required=True)
- Create and publish the content type using model:
orm_env.create(Person).publish() # Or orm_env.create(Person) orm_env.publish(Person)
- Unpublish and delete the content type using model:
orm_env.unpublish(Product) orm_env.delete(Product)
- Add and publish entry:
person1 = orm_env.add(Person(email='a@a.com', name='a', title=['Manager', 'Seller'], age=13)).publish() # You can specify entry id or it will randomly generate a UUID person2 = orm_env.add(Person(email='b@a.com', name='b', title=['Seller'], age=66), id='S9SN3JWKN3565D').publish() person3 = orm_env.add(Person(email='c@a.com', name='c', title=['Manager'], created_date='2019-08-11T00:00-07:00')).publish() company1 = orm_env.add(Company(name='Contentful', employees=[person1.to_link().to_json(), person2.to_link().to_json()])).publish() # Or product1 = Product( name='ContentfulORM', description='Write your Contentful in ORM style!', seller=company1.to_link().to_json(), sponsored=True, price=0.01 ) orm_env.add(product1).publish()
- Query:
# Query all entries of a content type orm_env.query(Person).all() # Filter query # ORMContentTypeEntriesProxy extends ContentTypeEntriesProxy with additional filter function from contentful_orm.operators import all_, limit, select, skip # Filter with field names as keyword arguments for exact search orm_env.query(Person).filter(email='c@a.com', name='c') # Filter with operators, see operators all at: https://github.com/Phoenix-Chen/ContentfulORM/blob/dev/contentful_orm/operators.py orm_env.query(Person).filter(all_(title=['Manager', 'seller']), skip(1), limit(100), select('fields.name')) # Use combination of both orm_env.query(Person).filter(limit(1), name='c')
- Serialize:
from contentful_orm.serializers import ModelSerializer class ProductSerializer(ModelSerializer): class Meta: model = Product # Specify fields to be serialized or use '__all__' for all the fields fields = [ 'name', 'description', 'price' ] # Query the entry/entries you want to serialize products = orm_env.query(Product).all() # Serialize single entry serialized_product = ProductSerializer(products[0]) # Serialize multiple entries serialized_products = ProductSerializer(products, many=True) # Currently links won't be recursively serialized, in case of circular references.
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