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`__init__.py`
```python
from .patients import patients
from pylib.falcon.jsonmiddlerware import RequireJSON, JSONTranslator

import falcon

# setup required middleware
api = falcon.API(middleware=[
RequireJSON(),
JSONTranslator()
])


# our custom error serializer
def __json_error_serializer(req, exception):
return ('application/json', exception.to_json())
api.set_error_serializer(__json_error_serializer)


patients.register(api)
```

`patients.py`
```python
from pylib.schema import validators
from pylib.falcon import Collection

from marshmallow import Schema
from marshmallow.fields import Int, Str, Date

all_patients = []
counter = 0

def authenticate(req, resp, res, params):
pass

def authorize(req, resp, res, params):
pass

class PatientSchema(Schema):
id = Int()
firstname = Str(required=True)
surname = Str()
dob = Date()
homephone = Str(validate=validators.phone_check)

patients = Collection(
'/api/patients', 'pid',
PatientSchema(), before=[authenticate])


def has_same_key_predicate(key, query):
def predicate(patient):
value = patient.get(key)
return value and value.startswith(query)
return predicate


@patients.search(before=[authorize])
def search(query, query_type, **kwargs):
if query is None:
return all_patients

query_type = 'firstname' if query_type is None else query_type
return list(filter(
has_same_key_predicate(query_type, query),
all_patients))


@patients.create(before=[authorize])
def create(patient, **kwargs):
all_patients.append(patient)
return len(all_patients) - 1


@patients.read(before=[authorize])
def get(pid):
if pid < len(all_patients):
return all_patients[pid]


@patients.update(before=[authorize])
def update(pid, patient):
if pid < len(all_patients):
all_patients[pid] = patient
return patient


@patients.delete(before=[authorize])
def delete(pid):
if pid < len(all_patients):
patient = all_patients[pid]
all_patients.pop(pid)
return patient

```

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