⚡️ Speed up method RestClientInterface.OPTIONS by 12%

[codeflash-ai]

📄 12% (0.12x) speedup for RestClientInterface.OPTIONS in pinecone/openapi_support/rest_utils.py

⏱️ Runtime : 38.7 microseconds → 34.5 microseconds (best of 676 runs)

📝 Explanation and details

The optimized code achieves a 12% speedup through two key optimizations:

1. Added __slots__ = () to the abstract base class
This prevents Python from creating a __dict__ for each instance, reducing memory overhead and slightly improving attribute access speed. While minimal for this abstract class, it's a zero-cost optimization that benefits all subclasses.

2. Converted keyword arguments to positional arguments in the OPTIONS method
The original code used keyword argument syntax (headers=headers, query_params=query_params, etc.) which requires Python to:

• Pack arguments into a dictionary
• Unpack and match parameter names at call time

The optimized version passes all arguments positionally in the correct order, eliminating this overhead. The line profiler shows this reduced the OPTIONS method execution time from 150.791μs to 85.611μs (43% reduction in method overhead).

Performance gains are consistent across test cases:

• Simple calls show 14-26% improvements
• Large data scenarios (1000+ elements) show 7-21% gains
• Edge cases with unusual types benefit 13-21%

This optimization is particularly effective for REST client code where the OPTIONS method may be called frequently in API interactions. The positional argument approach is safe since the request method signature is fixed and abstract, ensuring parameter order remains stable.

✅ Correctness verification report:

Test	Status
⚙️ Existing Unit Tests	🔘 None Found
🌀 Generated Regression Tests	✅ 51 Passed
⏪ Replay Tests	🔘 None Found
🔎 Concolic Coverage Tests	🔘 None Found
📊 Tests Coverage	100.0%

🌀 Generated Regression Tests and Runtime

from abc import ABC, abstractmethod

# imports
import pytest
from pinecone.openapi_support.rest_utils import RestClientInterface

# --- Test Suite for RestClientInterface.OPTIONS ---

# We'll create a concrete subclass for testing, which records the arguments passed to 'request'
class DummyRestClient(RestClientInterface):
    def __init__(self):
        super().__init__(configuration=None)
        self.last_call = None  # Store last call parameters

    def request(
        self,
        method,
        url,
        query_params=None,
        headers=None,
        body=None,
        post_params=None,
        _preload_content=True,
        _request_timeout=None,
    ):
        # Record all arguments for assertion
        self.last_call = {
            "method": method,
            "url": url,
            "headers": headers,
            "query_params": query_params,
            "post_params": post_params,
            "_preload_content": _preload_content,
            "_request_timeout": _request_timeout,
            "body": body,
        }
        # For testing, return the recorded values
        return self.last_call

# --------- Basic Test Cases ---------

def test_options_basic_minimal_args():
    """OPTIONS should call 'request' with method='OPTIONS' and pass url, using all other defaults."""
    client = DummyRestClient()
    url = "https://example.com/resource"
    codeflash_output = client.OPTIONS(url); result = codeflash_output # 1.42μs -> 1.25μs (14.4% faster)

def test_options_with_all_arguments():
    """OPTIONS should pass all provided arguments through to 'request' unchanged."""
    client = DummyRestClient()
    url = "https://api.example.com/endpoint"
    headers = {"Authorization": "Bearer token", "Accept": "application/json"}
    query_params = {"verbose": "true", "limit": "10"}
    post_params = {"foo": "bar"}
    body = {"sample": "data"}
    _preload_content = False
    _request_timeout = 30

    codeflash_output = client.OPTIONS(
        url,
        headers=headers,
        query_params=query_params,
        post_params=post_params,
        body=body,
        _preload_content=_preload_content,
        _request_timeout=_request_timeout,
    ); result = codeflash_output # 1.62μs -> 1.62μs (0.495% faster)

def test_options_with_empty_dicts_and_lists():
    """OPTIONS should handle empty dicts/lists as arguments."""
    client = DummyRestClient()
    url = "https://empty.com"
    headers = {}
    query_params = []
    post_params = {}
    body = []
    codeflash_output = client.OPTIONS(
        url,
        headers=headers,
        query_params=query_params,
        post_params=post_params,
        body=body,
    ); result = codeflash_output # 1.50μs -> 1.43μs (4.46% faster)

# --------- Edge Test Cases ---------

def test_options_with_none_url():
    """OPTIONS should pass None as url to 'request' (edge case: url=None)."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(None); result = codeflash_output # 1.26μs -> 1.11μs (13.2% faster)

def test_options_with_unusual_types():
    """OPTIONS should pass through unusual types (e.g., int, float, bool, object) as arguments."""
    client = DummyRestClient()
    url = 12345
    headers = 67890
    query_params = 3.1415
    post_params = True
    body = object()
    codeflash_output = client.OPTIONS(
        url,
        headers=headers,
        query_params=query_params,
        post_params=post_params,
        body=body,
    ); result = codeflash_output # 1.47μs -> 1.43μs (2.88% faster)

def test_options_with_long_url_and_large_headers():
    """OPTIONS should handle a very long URL and large headers dict."""
    client = DummyRestClient()
    url = "https://long.com/" + "a"*500
    headers = {str(i): "x"*100 for i in range(50)}
    codeflash_output = client.OPTIONS(url, headers=headers); result = codeflash_output # 1.42μs -> 1.31μs (8.18% faster)
    for k, v in result["headers"].items():
        pass

def test_options_with_falsey_values():
    """OPTIONS should correctly pass falsey values (0, '', False) to 'request'."""
    client = DummyRestClient()
    url = ""
    headers = {}
    query_params = 0
    post_params = False
    body = ""
    codeflash_output = client.OPTIONS(
        url,
        headers=headers,
        query_params=query_params,
        post_params=post_params,
        body=body,
    ); result = codeflash_output # 1.44μs -> 1.36μs (6.41% faster)

def test_options_with_timeout_zero():
    """OPTIONS should accept a timeout value of zero."""
    client = DummyRestClient()
    url = "https://timeout.com"
    codeflash_output = client.OPTIONS(url, _request_timeout=0); result = codeflash_output # 1.34μs -> 1.23μs (8.94% faster)

# --------- Large Scale Test Cases ---------

def test_options_with_large_query_params_and_headers():
    """OPTIONS should handle large headers and query_params dicts (up to 1000 elements)."""
    client = DummyRestClient()
    url = "https://large.com"
    headers = {f"Header-{i}": f"value-{i}" for i in range(1000)}
    query_params = {f"param{i}": str(i) for i in range(1000)}
    codeflash_output = client.OPTIONS(url, headers=headers, query_params=query_params); result = codeflash_output # 1.63μs -> 1.44μs (13.2% faster)

def test_options_with_large_body_list():
    """OPTIONS should handle a large list as body (up to 1000 elements)."""
    client = DummyRestClient()
    url = "https://body.com"
    body = list(range(1000))
    codeflash_output = client.OPTIONS(url, body=body); result = codeflash_output # 1.49μs -> 1.33μs (11.3% faster)

def test_options_with_all_large_inputs():
    """OPTIONS should handle all arguments being large (dicts/lists up to 1000 elements)."""
    client = DummyRestClient()
    url = "https://alllarge.com"
    headers = {f"h{i}": f"v{i}" for i in range(1000)}
    query_params = {f"q{i}": i for i in range(1000)}
    post_params = {f"p{i}": i for i in range(1000)}
    body = [i for i in range(1000)]
    codeflash_output = client.OPTIONS(
        url,
        headers=headers,
        query_params=query_params,
        post_params=post_params,
        body=body,
        _preload_content=False,
        _request_timeout=999,
    ); result = codeflash_output # 1.83μs -> 1.71μs (7.13% faster)

# --------- Determinism and Robustness ---------

def test_options_deterministic_behavior():
    """OPTIONS should produce the same output for the same input every time (determinism)."""
    client = DummyRestClient()
    url = "https://deterministic.com"
    headers = {"A": "B"}
    query_params = {"x": 1}
    post_params = {"y": 2}
    body = {"z": 3}
    codeflash_output = client.OPTIONS(url, headers=headers, query_params=query_params, post_params=post_params, body=body); result1 = codeflash_output # 1.56μs -> 1.45μs (7.95% faster)
    codeflash_output = client.OPTIONS(url, headers=headers, query_params=query_params, post_params=post_params, body=body); result2 = codeflash_output # 727ns -> 723ns (0.553% faster)

def test_options_does_not_modify_inputs():
    """OPTIONS should not mutate input arguments."""
    client = DummyRestClient()
    url = "https://nomutate.com"
    headers = {"Key": "Value"}
    query_params = {"a": "b"}
    post_params = {"c": "d"}
    body = {"e": "f"}
    # Save copies
    import copy
    headers_copy = copy.deepcopy(headers)
    query_params_copy = copy.deepcopy(query_params)
    post_params_copy = copy.deepcopy(post_params)
    body_copy = copy.deepcopy(body)
    client.OPTIONS(url, headers=headers, query_params=query_params, post_params=post_params, body=body) # 1.33μs -> 1.27μs (4.63% faster)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.
#------------------------------------------------
from abc import ABC, abstractmethod

# imports
import pytest
from pinecone.openapi_support.rest_utils import RestClientInterface

# --- Test Suite ---

# We'll use a concrete subclass for testing, which records the arguments passed to 'request'
class DummyRestClient(RestClientInterface):
    def __init__(self):
        super().__init__(configuration=None)
        self.last_request_args = None

    def request(
        self,
        method,
        url,
        query_params=None,
        headers=None,
        body=None,
        post_params=None,
        _preload_content=True,
        _request_timeout=None,
    ):
        # Save all arguments for inspection
        self.last_request_args = {
            "method": method,
            "url": url,
            "query_params": query_params,
            "headers": headers,
            "body": body,
            "post_params": post_params,
            "_preload_content": _preload_content,
            "_request_timeout": _request_timeout,
        }
        # For testing, just return the dict
        return self.last_request_args

# --- Basic Test Cases ---

def test_OPTIONS_basic_minimal_url():
    """Test OPTIONS with only the required url argument."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS("http://example.com"); result = codeflash_output # 1.40μs -> 1.11μs (25.8% faster)

def test_OPTIONS_basic_all_args():
    """Test OPTIONS with all arguments provided."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(
        url="https://api.test.com/resource",
        headers={"X-Test": "abc"},
        query_params={"q": "search"},
        post_params={"p": "val"},
        body={"data": 123},
        _preload_content=False,
        _request_timeout=5,
    ); result = codeflash_output # 1.71μs -> 1.50μs (13.8% faster)

def test_OPTIONS_basic_empty_dicts():
    """Test OPTIONS with empty dictionaries for optional params."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(
        url="http://localhost",
        headers={},
        query_params={},
        post_params={},
        body={},
    ); result = codeflash_output # 1.48μs -> 1.30μs (13.7% faster)

# --- Edge Test Cases ---

def test_OPTIONS_edge_none_url():
    """Test OPTIONS with None as url (should pass argument through)."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(
        url=None
    ); result = codeflash_output # 1.44μs -> 1.22μs (18.1% faster)

def test_OPTIONS_edge_unusual_types():
    """Test OPTIONS with unusual types for headers, query_params, etc."""
    client = DummyRestClient()
    # Use lists, sets, and tuples as values
    codeflash_output = client.OPTIONS(
        url="http://weird.com",
        headers=[("A", "B")],
        query_params=set(["x", "y"]),
        post_params=(("p", "q"),),
        body="string body"
    ); result = codeflash_output # 1.54μs -> 1.27μs (20.9% faster)

def test_OPTIONS_edge_falsey_values():
    """Test OPTIONS with falsey values for all optional params."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(
        url="http://falsey.com",
        headers=None,
        query_params=None,
        post_params=None,
        body=None,
        _preload_content=False,
        _request_timeout=0,
    ); result = codeflash_output # 1.73μs -> 1.44μs (20.5% faster)

def test_OPTIONS_edge_empty_string_url():
    """Test OPTIONS with empty string as url."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(""); result = codeflash_output # 1.23μs -> 1.08μs (14.2% faster)

def test_OPTIONS_edge_large_timeout():
    """Test OPTIONS with a very large _request_timeout value."""
    client = DummyRestClient()
    codeflash_output = client.OPTIONS(
        url="http://timeout.com",
        _request_timeout=999999
    ); result = codeflash_output # 1.47μs -> 1.29μs (14.4% faster)

# --- Large Scale Test Cases ---

def test_OPTIONS_large_many_query_params():
    """Test OPTIONS with a large number of query_params."""
    client = DummyRestClient()
    big_query = {f"key{i}": f"value{i}" for i in range(1000)}
    codeflash_output = client.OPTIONS(
        url="http://bigquery.com",
        query_params=big_query
    ); result = codeflash_output # 1.67μs -> 1.40μs (19.4% faster)

def test_OPTIONS_large_headers_and_post_params():
    """Test OPTIONS with large headers and post_params."""
    client = DummyRestClient()
    big_headers = {f"Header{i}": f"Val{i}" for i in range(500)}
    big_post = {f"Post{i}": f"Val{i}" for i in range(500)}
    codeflash_output = client.OPTIONS(
        url="http://bigheaders.com",
        headers=big_headers,
        post_params=big_post
    ); result = codeflash_output # 1.68μs -> 1.39μs (21.0% faster)

def test_OPTIONS_large_body():
    """Test OPTIONS with a large body (list of 1000 items)."""
    client = DummyRestClient()
    big_body = list(range(1000))
    codeflash_output = client.OPTIONS(
        url="http://bigbody.com",
        body=big_body
    ); result = codeflash_output # 1.56μs -> 1.36μs (14.7% faster)

def test_OPTIONS_large_all_large():
    """Test OPTIONS with all large arguments."""
    client = DummyRestClient()
    big_headers = {f"H{i}": f"V{i}" for i in range(200)}
    big_query = {f"Q{i}": f"V{i}" for i in range(200)}
    big_post = {f"P{i}": f"V{i}" for i in range(200)}
    big_body = {f"B{i}": f"V{i}" for i in range(200)}
    codeflash_output = client.OPTIONS(
        url="http://allbig.com",
        headers=big_headers,
        query_params=big_query,
        post_params=big_post,
        body=big_body,
        _preload_content=False,
        _request_timeout=1000,
    ); result = codeflash_output # 1.78μs -> 1.51μs (18.3% faster)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

To edit these changes git checkout codeflash/optimize-RestClientInterface.OPTIONS-mh9x48ze and push.