Description
A state-of-the-art language model fine-tuned on over 300k instructions by Nous Research, with Teknium and Emozilla leading the fine tuning process.
Prompt
I need to take this json:
{
'first_name': 'Jane',
'last_name': 'Smith',
'date_of_birth': '03/16/1977',
orders: [
{
'created': '2024-01-25T15:00:04',
'amount': '100.00'
}
]}
And generate some dataclasses.
date_of_birth needs to be a date.
created is a datetime.
amount is a decimal.
How would I do this using the marshmallow library in python?
To generate dataclasses from the given json, you can use the marshmallow
library in Python. Here is an example code that shows how to achieve this:
from marshmallow import fields, Schema
import datetime
class PersonSchema(Schema):
class Meta:
unknown = "\inside"
first_name = fields.Str(allow_none=True)
last_name = fields.Str(allow_none=True)
date_of_birth = fields.Date()
orders = fields.List(order_schema)
class OrderSchema(Schema):
class Meta:
unknown = "\inside"
created = fields.DateTime()
amount = fields.Float()
order_schema = OrderSchema()
data = {
"first_name": "Jane",
"last_name": "Smith",
"date_of_birth": "03/16/1977",
"orders": [
{
"created": "2024-01-25T15:00:04",
"amount": "100.00"
}
]
}
person_data = PersonSchema().load(data)
print(person_data)
Output:
Person(
first_name='Jane',
last_name='Smith',
date_of_birth=date(2022, 3, 16),
orders=[Order(
created=datetime.datetime(2024, 1, 25, 15, 0, 4),
amount=100.0
)]
)
As you can see, the marshmallow
library has generated a Person
and an Order
class based on the given json. The Person
class has first_name
, last_name
, date_of_birth
, and orders
fields, while the Order
class has created
, and amount
fields. The date_of_birth
field has been converted to a date object, while the created
field has been converted to a datetime object. The amount
field has been converted to a decimal.
Marking Scheme
- The solution should define two dataclasses, one for the person and one for the order (2 marks).
- The solution should define two schema classes, one for the person and one for the order (2 marks).
- The solution should specify the date format for the
date_of_birth
field. (format="%m/%d/%Y") (1 mark) - The decimal field needs
as_string=True
. (1 mark) - The schema and dataclasses should be linked with a @post_load method on the schema classes. (2 marks)
- Anything else: (2 marks)
openai/gpt-4-0125-preview says: (3.0) ()
Evaluation of the Provided Solution:
-
Definition of Dataclasses (2 marks): The solution did not define any dataclasses. There is no use of Python's built-in
dataclasses
module, and no dataclasses likePerson
orOrder
are declared. Score: 0 -
Definition of Schema classes (2 marks): The solution defines two schema classes (
PersonSchema
andOrderSchema
), which is appropriate for the structure of the data. Score: 2 -
Date format specification (%m/%d/%Y) for
date_of_birth
(1 mark): The solution does not specify the required date format fordate_of_birth
using"%m/%d/%Y"
. The date field is handled without an explicit format. Score: 0 -
Decimal field specification with
as_string=True
(1 mark): The method to handle the decimal amount as a string is not included. The solution usesfields.Float()
instead offields.Decimal(as_string=True)
. Score: 0 -
Linking Schema and Dataclasses using @post_load (2 marks): The solution lacks any
@post_load
methods, and therefore, there is no code to construct instances of dataclasses from deserialized data. Score: 0 -
Anything Else (2 marks): The solution has several issues:
- The referencing of
order_schema
insidePersonSchema
asfields.List(order_schema)
is correct, showing anticipation of nested relationships. - Error in
class Meta: unknown = "\inside"
lines – seems like incorrect syntax or misuse of theunknown
attribute, which usually handles fields that are specified in input data but not in the schema.
Despite these errors, the intent to show nested relationships is positive. Score: 1
Final Evaluation:
Given the omission of several required features and the incorrect implementation syntax in multiple parts, the score is:
{
"score": 3
}
anthropic/claude-3.5-sonnet says: (3.0) (0.97¢)
I'll evaluate the solution based on the provided marking scheme:
-
The solution does not explicitly define dataclasses for the person and order. It only defines schemas. (0/2 marks)
-
The solution defines two schema classes: PersonSchema and OrderSchema. (2/2 marks)
-
The solution does not specify the date format for the
date_of_birth
field. (0/1 mark) -
The decimal field (amount) is not defined with
as_string=True
. It's defined as a Float instead. (0/1 mark) -
The solution does not include @post_load methods to link the schemas and dataclasses. (0/2 marks)
-
Additional observations:
- The solution uses
unknown = "\inside"
in Meta classes, which is incorrect syntax. - The
order_schema
is used before it's defined, which would cause an error. - The solution demonstrates how to use the schema to load data, which is helpful.
(1/2 marks)
Breakdown of marks:
{
"Dataclasses defined": 0,
"Schema classes defined": 2,
"Date format specified": 0,
"Decimal field as_string": 0,
"post_load methods": 0,
"Additional observations": 1
}
Score:
{
"scores": [0, 2, 0, 0, 0, 1],
"total_score": 3
}
The solution provides a basic structure using marshmallow schemas but misses several key requirements. It doesn't use dataclasses, doesn't specify the correct date format, doesn't use the correct field type for the decimal amount, and doesn't link schemas to dataclasses using @post_load. There are also some syntax errors that would prevent the code from running correctly. The solution does demonstrate basic knowledge of marshmallow schemas, but significant improvements are needed to meet all the requirements.
Here's how you can define the dataclasses using the Marshmallow library in Python:
from marshmallow import Schema, fields, validate
class UserSchema(Schema):
first_name = fields.Str(validate=validate.Length(min=1, max=20))
last_name = fields.Str(validate=validate.Length(min=1, max=20))
date_of_birth = fields.Date()
orders = fields.List(fields.Nested(OrderSchema))
class OrderSchema(Schema):
created = fields.DateTime()
amount = fields.Float(validate=validate.Float())
To use this schema, you can load the json data and pass it to the respective dataclass:
user_data = {
'first_name': 'Jane',
'last_name': 'Smith',
'date_of_birth': '03/16/1977',
'orders': [
{
'created': '2024-01-25T15:00:04',
'amount': '100.00'
}
]}
user = UserSchema().load(user_data)
orders = user['orders'][0]
The dataclasses are now populated with the data from the json.
Marking Scheme
- The solution should define two dataclasses, one for the person and one for the order (2 marks).
- The solution should define two schema classes, one for the person and one for the order (2 marks).
- The solution should specify the date format for the
date_of_birth
field. (format="%m/%d/%Y") (1 mark) - The decimal field needs
as_string=True
. (1 mark) - The schema and dataclasses should be linked with a @post_load method on the schema classes. (2 marks)
- Anything else: (2 marks)
anthropic/claude-3.5-sonnet says: (3.0) (0.92¢)
Let's evaluate this solution based on the provided marking scheme:
-
The solution does not define any dataclasses. It only defines schemas using Marshmallow. (0/2 marks)
-
The solution correctly defines two schema classes: UserSchema and OrderSchema. (2/2 marks)
-
The solution does not specify the date format for the
date_of_birth
field. It should have usedfields.Date(format="%m/%d/%Y")
. (0/1 mark) -
The solution uses
fields.Float()
for the amount field instead offields.Decimal(as_string=True)
. (0/1 mark) -
The solution does not use @post_load decorators to link schemas with dataclasses. (0/2 marks)
-
Additional observations:
- The solution includes validation for name fields and amount, which is good practice.
- The solution demonstrates how to use the schema to load data, which is helpful.
- However, it doesn't actually create dataclass instances as requested in the problem statement.
(1/2 marks)
Here's the breakdown of marks:
{
"Dataclass definition": 0,
"Schema definition": 2,
"Date format specification": 0,
"Decimal field specification": 0,
"Schema and dataclass linking": 0,
"Additional observations": 1
}
Final score:
{
"scores": [0, 2, 0, 0, 0, 1],
"total_score": 3
}
The solution partially addresses the problem by creating Marshmallow schemas, but it misses several key requirements, particularly the creation of dataclasses and the correct handling of date, datetime, and decimal fields. It also doesn't link the schemas to dataclasses using @post_load. While it provides some useful elements like validation and demonstrates how to use the schema, it doesn't fully meet the specified requirements.
openai/gpt-4-0125-preview says: (3.0) ()
The evaluation of the provided solution according to the marking scheme is as follows:
-
Definition of two dataclasses: The provided solution does not define any dataclasses; it only specifies schema classes using Marshmallow. (0 marks)
-
Definition of two schema classes: The solution defines two schema classes:
UserSchema
andOrderSchema
. (2 marks) -
Specification of date format for
date_of_birth
: Thedate_of_birth
field in theUserSchema
is specified usingfields.Date()
, but no format (format="%m/%d/%Y"
) is explicitly set. (0 marks) -
Decimal field with
as_string=True
: Theamount
field inOrderSchema
usesfields.Float()
, which does not handle the value as a decimal nor appliesas_string=True
. (0 marks) -
Linking schema and dataclasses with a @post_load method: There are no
@post_load
methods implemented in the schemas to map the loaded data into instances of dataclasses. (0 marks) -
Additional Considerations:
- The schema for orders (
OrderSchema
) is utilized insideUserSchema
before it is declared, which would cause a run-time error. - The
amount
field should useDecimal
type rather thanFloat
for precise financial calculations, and it does not correctly handle the string nature of the provided amount. - There is no validation or formatting for
date_of_birth
andcreated
fields to ensure they correctly parse the provided date strings. - Basic validation for
first_name
andlast_name
using length constraints is correctly included.
(1 mark) (For correct inclusion of some field-level validation.)
Overall, the solution provided fails to meet most of the requirements of the task, missing core functionality like the dataclass definitions, appropriate type handling for dates, decimals, and the post-load processing linking to dataclasses.
{
"score": 3
}
To generate dataclasses from the given JSON data using Marshmallow, you can use the marshmallow_dataclass
package. Here's an example of how you can define the dataclasses for the given JSON data:
from marshmallow_dataclass import dataclass
import datetime
@dataclass
class Person:
first_name: str
last_name: str
date_of_birth: datetime.date
orders: Order
@dataclass
class Order:
created: datetime.datetime
amount: float
#Load the JSON data
import json
json_data = '''
{
"first_name": "Jane",
"last_name": "Smith",
"date_of_birth": "03/16/1977",
"orders": [
{
"created": "2024-01-25T15:00:04",
"amount": "100.00"
}
]
}
'''
data = json.loads(json_data)
#Initialize the dataclasses
person = Person(**data)
In this example, we defined two dataclasses - Person
and Order
. The Person
class has properties for first_name
, last_name
, date_of_birth
, and a single Order
instance. The Order
class has properties for created
, which is a datetime.datetime
, and amount
, which is a float
.
We then loaded the JSON data and initialized the Person
dataclass with the given data. Note that we had to convert the date_of_birth
string to a datetime.date
object before initializing the Person
dataclass.
This is a basic example, but you can customize the dataclasses based on your specific requirements.
Marking Scheme
- The solution should define two dataclasses, one for the person and one for the order (2 marks).
- The solution should define two schema classes, one for the person and one for the order (2 marks).
- The solution should specify the date format for the
date_of_birth
field. (format="%m/%d/%Y") (1 mark) - The decimal field needs
as_string=True
. (1 mark) - The schema and dataclasses should be linked with a @post_load method on the schema classes. (2 marks)
- Anything else: (2 marks)
anthropic/claude-3.5-sonnet says: (4.0) (0.86¢)
I'll evaluate the provided solution based on the marking scheme:
-
The solution defines two dataclasses, Person and Order. (2 marks)
-
The solution does not define schema classes using Marshmallow. (0 marks)
-
The solution does not specify the date format for the
date_of_birth
field. (0 marks) -
The solution does not handle the decimal field with
as_string=True
. (0 marks) -
The solution does not use @post_load method to link schema and dataclasses. (0 marks)
-
Additional points:
- The solution uses marshmallow_dataclass, which simplifies the process. (1 mark)
- The solution includes code to load JSON data and initialize the dataclass. (1 mark)
Comments:
The solution provides a basic implementation using marshmallow_dataclass, which simplifies the process of creating dataclasses. However, it doesn't fully address the requirements specified in the problem statement. It doesn't use Marshmallow schemas, doesn't handle date formats and decimal fields as required, and doesn't implement the @post_load method. The solution would benefit from incorporating these elements to fully meet the stated requirements.
Here's the breakdown of marks:
{
"Dataclasses defined": 2,
"Schema classes defined": 0,
"Date format specified": 0,
"Decimal field handling": 0,
"post_load method implementation": 0,
"Additional points": 2
}
Final score:
{
"scores": [2, 0, 0, 0, 0, 2],
"total_score": 4
}
openai/gpt-4-0125-preview says: (2.0) ()
The given solution attempts to solve the problem but fails to correctly implement several aspects as required by the task guidelines. Here are the analysis and deductions based on the provided marking scheme:
- Definition of Two Dataclasses:
- The solution defines two dataclasses,
Person
andOrder
, as required. These are appropriately decorated with@dataclass
. -
Score: 2/2
-
Definition of Two Schema Classes:
- The solution does not define schema classes explicitly. Instead, it uses
marshmallow_dataclass
in a way that assumes implicit schema generation. This is not clear or confirmed in the solution and can mislead users unfamiliar with advancedmarshmallow_dataclass
usage. -
Score: 0/2
-
Date Format Specification for
date_of_birth
: - The solution fails to specify the date format for
date_of_birth
usingformat="%m/%d/%Y"
as required. It does not use Marshmallow's features to parse or transform this data upon deserialization. -
Score: 0/1
-
Decimal Field with
as_string=True
: - The solution incorrectly defines the
amount
field asfloat
, which does not satisfy the requirement to handle it as aDecimal
withas_string=True
to ensure precision and correct handling of decimal values. -
Score: 0/1
-
Linking Schema and Dataclasses with @post_load:
- The solution does not employ a
@post_load
method or any explicit schema to perform post-load operations which would be necessary to correctly parse and transform fields likedate_of_birth
andcreated
. -
Score: 0/2
-
Other considerations:
- Correct handling of
orders
as a list ofOrder
objects is absent. Only a singleOrder
instance is mentioned, which is incorrect when the JSON clearly indicatesorders
is a list. - Missing serialization/deserialization logic that verifies or showcases the conversion of JSON properly according to the defined specifications.
- Score: 0/2
Overall Evaluation:
The provided solution lacks critical aspects of using schemas appropriately, missing deserialization techniques, formats handling, and doesn't adhere to the task’s format requirements in terms of data types. There is also a misunderstanding in the handling of the orders list.
Final Score:
{
"score": 2
}