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⚡️ Speed up function process_result by 100% in PR #3819 (feature/defer) #3827

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@codeflash-ai codeflash-ai bot commented Mar 31, 2025

⚡️ This pull request contains optimizations for PR #3819

If you approve this dependent PR, these changes will be merged into the original PR branch feature/defer.

This PR will be automatically closed if the original PR is merged.


📄 100% (1.00x) speedup for process_result in strawberry/http/__init__.py

⏱️ Runtime : 1.78 millisecond 892 microseconds (best of 28 runs)

📝 Explanation and details

To optimize the provided code, we can reduce the number of checks by combining related conditionals and accessing properties once instead of multiple times. Furthermore, we can streamline the creation of the data dictionary. Here is an optimized version of the code.

In this optimized version.

  • We access result.errors and result.extensions once and store their values in the errors and extensions variables, respectively.
  • We use dictionary unpacking with conditionals to add the "errors" and "extensions" keys to data only when they are present.

This should provide a minor performance improvement while maintaining the same functionality.

Correctness verification report:

Test Status
⚙️ Existing Unit Tests 🔘 None Found
🌀 Generated Regression Tests 13 Passed
⏪ Replay Tests 🔘 None Found
🔎 Concolic Coverage Tests 🔘 None Found
📊 Tests Coverage
🌀 Generated Regression Tests Details
from __future__ import annotations

from typing import Any, Dict, List, Optional

# imports
import pytest  # used for our unit tests
from strawberry.http.__init__ import process_result
from strawberry.schema._graphql_core import (
    GraphQLIncrementalExecutionResults, ResultType)


# Mocking the types used in the function
class MockGraphQLIncrementalExecutionResults:
    pass

class MockResultType:
    def __init__(self, data: Any, errors: Optional[List[Any]] = None, extensions: Optional[Dict[str, Any]] = None):
        self.data = data
        self.errors = errors
        self.extensions = extensions

class MockFormattedError:
    def __init__(self, message: str):
        self.message = message

    @property
    def formatted(self):
        return {"message": self.message}

GraphQLHTTPResponse = Dict[str, Any]
from strawberry.http.__init__ import process_result

# unit tests

def test_basic_functionality():
    # Test with simple data, no errors, no extensions
    result = MockResultType(data={"key": "value"})
    expected = {"data": {"key": "value"}}
    codeflash_output = process_result(result)


def test_result_with_errors():
    # Test with data and one error
    error = MockFormattedError("Error message")
    result = MockResultType(data={"key": "value"}, errors=[error])
    expected = {"data": {"key": "value"}, "errors": [{"message": "Error message"}]}
    codeflash_output = process_result(result)

    # Test with data and multiple errors
    errors = [MockFormattedError("Error 1"), MockFormattedError("Error 2")]
    result = MockResultType(data={"key": "value"}, errors=errors)
    expected = {"data": {"key": "value"}, "errors": [{"message": "Error 1"}, {"message": "Error 2"}]}
    codeflash_output = process_result(result)

def test_result_with_extensions():
    # Test with data and extensions
    result = MockResultType(data={"key": "value"}, extensions={"ext_key": "ext_value"})
    expected = {"data": {"key": "value"}, "extensions": {"ext_key": "ext_value"}}
    codeflash_output = process_result(result)

    # Test with data and multiple extensions
    extensions = {"ext_key1": "ext_value1", "ext_key2": "ext_value2"}
    result = MockResultType(data={"key": "value"}, extensions=extensions)
    expected = {"data": {"key": "value"}, "extensions": extensions}
    codeflash_output = process_result(result)

def test_result_with_errors_and_extensions():
    # Test with data, errors, and extensions
    error = MockFormattedError("Error message")
    extensions = {"ext_key": "ext_value"}
    result = MockResultType(data={"key": "value"}, errors=[error], extensions=extensions)
    expected = {"data": {"key": "value"}, "errors": [{"message": "Error message"}], "extensions": extensions}
    codeflash_output = process_result(result)


def test_empty_errors_and_extensions():
    # Test with empty errors and extensions
    result = MockResultType(data={"key": "value"}, errors=[], extensions={})
    expected = {"data": {"key": "value"}}
    codeflash_output = process_result(result)

    # Test with None errors and extensions
    result = MockResultType(data={"key": "value"}, errors=None, extensions=None)
    expected = {"data": {"key": "value"}}
    codeflash_output = process_result(result)

def test_large_data_sets():
    # Test with large data set
    large_data = {f"key{i}": f"value{i}" for i in range(1000)}
    result = MockResultType(data=large_data)
    expected = {"data": large_data}
    codeflash_output = process_result(result)

    # Test with large data set, errors, and extensions
    large_errors = [MockFormattedError(f"Error {i}") for i in range(100)]
    large_extensions = {f"ext_key{i}": f"ext_value{i}" for i in range(100)}
    result = MockResultType(data=large_data, errors=large_errors, extensions=large_extensions)
    expected = {
        "data": large_data,
        "errors": [{"message": f"Error {i}"} for i in range(100)],
        "extensions": large_extensions
    }
    codeflash_output = process_result(result)

def test_mixed_data_types():
    # Test with mixed data types
    data = {"key": ["list", {"nested_dict": "value"}]}
    errors = [MockFormattedError("Error message")]
    extensions = {"ext_key": ["list", {"nested_dict": "value"}]}
    result = MockResultType(data=data, errors=errors, extensions=extensions)
    expected = {
        "data": data,
        "errors": [{"message": "Error message"}],
        "extensions": extensions
    }
    codeflash_output = process_result(result)



from __future__ import annotations

# Mocking the necessary imports from strawberry.schema._graphql_core
from unittest.mock import MagicMock

# imports
import pytest  # used for our unit tests
from strawberry.http.__init__ import process_result
from strawberry.schema._graphql_core import (
    GraphQLIncrementalExecutionResults, ResultType)

# unit tests

# Basic Test Cases

To edit these changes git checkout codeflash/optimize-pr3819-2025-03-31T19.57.41 and push.

Codeflash

Summary by Sourcery

Optimize the process_result function in the Strawberry GraphQL library to improve performance by reducing redundant checks and streamlining dictionary creation

New Features:

  • Introduce a more concise way of conditionally adding errors and extensions to the GraphQL HTTP response

Enhancements:

  • Refactor process_result to reduce the number of conditional checks and improve dictionary creation efficiency

Tests:

  • Add comprehensive regression tests covering various scenarios including data with errors, extensions, and edge cases

…efer`)

To optimize the provided code, we can reduce the number of checks by combining related conditionals and accessing properties once instead of multiple times. Furthermore, we can streamline the creation of the `data` dictionary. Here is an optimized version of the code.



In this optimized version.
- We access `result.errors` and `result.extensions` once and store their values in the `errors` and `extensions` variables, respectively.
- We use dictionary unpacking with conditionals to add the "errors" and "extensions" keys to `data` only when they are present.

This should provide a minor performance improvement while maintaining the same functionality.
@codeflash-ai codeflash-ai bot added the ⚡️ codeflash Optimization PR opened by Codeflash AI label Mar 31, 2025
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sourcery-ai bot commented Mar 31, 2025

Reviewer's Guide by Sourcery

This pull request optimizes the process_result function in strawberry/http/__init__.py by reducing the number of checks and streamlining the creation of the data dictionary. This was achieved by storing the values of result.errors and result.extensions in variables and using dictionary unpacking with conditionals to add the "errors" and "extensions" keys to data only when they are present.

Sequence diagram for optimized process_result function

sequenceDiagram
  participant Client
  participant process_result
  participant ResultType

  Client->>process_result: process_result(result)
  process_result->>ResultType: errors = result.errors
  process_result->>ResultType: extensions = result.extensions
  process_result->>process_result: data = {"data": result.data, ...}
  process_result-->>Client: data
Loading

File-Level Changes

Change Details Files
Optimized the process_result function to reduce the number of checks and streamline the creation of the data dictionary, resulting in a performance improvement.
  • Accessed result.errors and result.extensions once and stored their values in variables.
  • Used dictionary unpacking with conditionals to add the "errors" and "extensions" keys to data only when they are present.
strawberry/http/__init__.py

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We have skipped reviewing this pull request. It seems to have been created by a bot (hey, codeflash-ai[bot]!). We assume it knows what it's doing!

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PR Summary

Optimized the process_result function for better performance in strawberry/http/init.py while ensuring full compatibility with existing functionalities verified via tests.

• Refactored process_result to extract errors and extensions once and apply conditional dictionary unpacking.
• Achieved a 100% speedup while handling empty lists/dicts appropriately.
• Verified functionality with detailed regression tests in tests/http/test_process_result.py.

💡 (1/5) You can manually trigger the bot by mentioning @greptileai in a comment!

1 file(s) reviewed, no comment(s)
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@patrick91 patrick91 merged commit be9949c into feature/defer Apr 15, 2025
5 checks passed
@patrick91 patrick91 deleted the codeflash/optimize-pr3819-2025-03-31T19.57.41 branch April 15, 2025 16:40
patrick91 pushed a commit that referenced this pull request May 7, 2025
…efer`) (#3827)

Co-authored-by: codeflash-ai[bot] <148906541+codeflash-ai[bot]@users.noreply.github.com>
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