Python的FHIR类
py-fhir的Python项目详细描述
py fhir公司
Python的FHIR资源/元素。由py-fhir-codegen生成的代码。在
简介
这个python包提供了在FHIR specification中指定的资源和元素的python版本。此外，该包还包括实现数据库持久性的第一步（使用SQLAlchemy）和一个客户端。在
如何使用资源和数据类型
运行以下代码将创建一个Patient，并为不同的属性赋值。最后，将对象序列化为JSON表示，并打印结果。在
# Import the relevant classes from fhir.modelfromfhir.modelimportPatient,HumanName,Identifier,CodeableConcept,Coding,uri# Create a new Patient object. Resource attributes can be passed in the constructor. Note# that 'id' is the logical id of the Resource and has no relation to the Medical Record# Number (MRN)p=Patient(id='patient1')# Give the patient an MRNidentifier=Identifier(type=CodeableConcept(coding=[Coding(system="http://hl7.org/fhir/v2/0203",code="MR")]),system='urn:oid:1.2.36.146.595.217.0.1',value='123456789')# Lists can be assigned to attributes.# Alternatively p.identifier.append(identifier) could have been used.p.identifier=[identifier]# Native python values are automatically coerced to FHIR classesp.active=Trueprint(type(p.active))# output: <class 'fhir.model._boolean.boolean'>name=HumanName()name.use='official'name.given=['Melle','Sjoerd']name.family='Sieswerda'p.name=[name]# Serialize to JSON and print the result. To serialize to XML use 'p.toXML()'.print(p.dumps('json'))
这将产生以下输出：
^{pr2}$也可以从JSON（或XML）表示中整理对象：
jsonstring=p.dumps('json')p2=Patient.loads(jsonstring,'json')p2.id==p.id# output: True
使用客户机
importfhir.modelimportfhir.clientfromfhir.modelimportPatient,HumanNameURL=fhir.client.SERVERS['spark']client=fhir.client.Client(URL)client.set_properties(fhir.model.Resource)# The following is equivalent to# bundle = client.query('Patient')bundle=fhir.model.Patient.query()# Print the first result we receivedforpinbundle:print(p.dumps('json'))break# Create a new patient on the serverp=Patient()p.active=Truename=HumanName(use='official',given=['Melle'],family='Testpatient')p.name=[name]p.save()print('The server assigned id "{}"'.format(p.id))
使用持久存储
Cave: the current implementation should be considered a stub. Searching/querying, updating, etc. is not (yet) supported.
fromfhir.persistanceimportFHIRStoreimportfhir.model# By default FHIRStore creates a sqlite database in the current directory.# Still, be careful when using 'drop_all'!store=FHIRStore(drop_all=True)# Create a new Patientp=fhir.model.Patient()p.id='patient1'p.active=Truename=fhir.model.HumanName(use='official',given=['Melle','Sjoerd'],family='Sieswerda')p.name=[name]# Store the patientstore.post(p)# Retrieve the patient from the store and print the result.print(store.get('patient1'))# output: <fhir.model.patient.Patient object at 0x1096dd828>
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