577 lines
22 KiB
Python
577 lines
22 KiB
Python
from __future__ import annotations
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from typing import Any, Callable, Iterable, NewType, Optional, Protocol, TypeVar
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try:
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from typing import _TypingBase # type: ignore[attr-defined]
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except ImportError:
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from typing import _Final as _TypingBase # type: ignore[attr-defined]
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typing_base = _TypingBase
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_T = TypeVar("_T")
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class Comparable(Protocol):
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def __lt__(self: _T, __other: _T) -> bool: ...
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ComparableT = TypeVar("ComparableT", bound=Comparable)
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def sorter(arr: list[ComparableT]) -> list[ComparableT]:
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for i in range(len(arr)):
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for j in range(len(arr) - 1):
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if arr[j] > arr[j + 1]:
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temp = arr[j]
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arr[j] = arr[j + 1]
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arr[j + 1] = temp
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return arr
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def sorter2(arr: list[ComparableT]) -> list[ComparableT]:
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n = len(arr)
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for i in range(n):
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swapped = False
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for j in range(n - i - 1):
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if arr[j] > arr[j + 1]:
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arr[j], arr[j + 1] = arr[j + 1], arr[j]
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swapped = True
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if not swapped:
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break
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return arr
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def sorter3(arr: list[ComparableT]) -> list[ComparableT]:
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arr.sort()
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return arr
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def is_valid_field_name(name: str) -> bool:
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return not name.startswith("_")
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def is_valid_field_name2(name: str) -> bool:
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return not (name and name[0] == "_")
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def is_self_type(tp: Any) -> bool:
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"""Check if a given class is a Self type (from `typing` or `typing_extensions`)"""
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return isinstance(tp, typing_base) and getattr(tp, "_name", None) == "Self"
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def is_self_type2(tp: Any) -> bool:
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"""Check if a given class is a Self type (from `typing` or `typing_extensions`)"""
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if not isinstance(tp, _TypingBase):
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return False
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return tp._name == "Self" if hasattr(tp, "_name") else False
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test_new_type = NewType("test_new_type", str)
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def is_new_type(type_: type[Any]) -> bool:
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"""Check whether type_ was created using typing.NewType.
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Can't use isinstance because it fails <3.10.
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"""
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return isinstance(type_, test_new_type.__class__) and hasattr(type_, "__supertype__") # type: ignore[arg-type]
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def is_new_type2(type_: type[Any]) -> bool:
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"""Check whether type_ was created using typing.NewType.
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Can't use isinstance because it fails <3.10.
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"""
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return type(type_) is type(test_new_type) and hasattr(type_, "__supertype__")
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def _to_str(
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size: int,
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suffixes: Iterable[str],
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base: int,
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*,
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precision: Optional[int] = 1,
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separator: Optional[str] = " ",
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) -> str:
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if size == 1:
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return "1 byte"
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elif size < base:
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return f"{size:,} bytes"
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for i, suffix in enumerate(suffixes, 2): # noqa: B007
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unit = base**i
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if size < unit:
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break
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return "{:,.{precision}f}{separator}{}".format(
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(base * size / unit),
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suffix,
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precision=precision,
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separator=separator,
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)
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# Given: (size=-1, suffixes=(), base=-1, precision=0, separator=None),
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# code_to_optimize.bubble_sort_typed._to_str : raises UnboundLocalError("cannot access local variable 'unit' where it is not associated with a value")
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# code_to_optimize.bubble_sort_typed._to_str2 : raises IndexError()
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def _to_str2(
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size: int,
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suffixes: Iterable[str],
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base: int,
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*,
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precision: Optional[int] = 1,
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separator: Optional[str] = " ",
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) -> str:
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if size == 1:
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return "1 byte"
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elif size < base:
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return f"{size:,} bytes"
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unit = base
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for suffix in suffixes:
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unit *= base
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if size < unit:
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return f"{size / (unit / base):,.{precision}f}{separator}{suffix}"
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# Extra condition if size exceeds the largest unit
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return f"{size / (unit / base):,.{precision}f}{separator}{suffixes[-1]}"
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def find_common_tags(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = articles[0]["tags"]
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for article in articles[1:]:
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common_tags = [tag for tag in common_tags if tag in article["tags"]]
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return set(common_tags)
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# crosshair diffbehavior --max_uninteresting_iterations 64 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags2
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# Given: (articles=[{'tags': ['', '']}, {'tags': ['', '']}, {'tags': []}, {}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : returns set()
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# code_to_optimize.bubble_sort_typed.find_common_tags2 : raises KeyError()
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def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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common_tags.intersection_update(article["tags"])
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return common_tags
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# Given: (articles=[{'\x00\x00\x00\x00': [], 'tags': ['']}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {'tags': ['']}, {}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : raises KeyError()
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# code_to_optimize.bubble_sort_typed.find_common_tags2_1 : returns set()
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def find_common_tags2_1(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0].get("tags", []))
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for article in articles[1:]:
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common_tags.intersection_update(article.get("tags", []))
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return common_tags
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# % crosshair diffbehavior --max_uninteresting_iterations 64 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags2_2
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# Given: (articles=[{'\x00\x00\x00\x00': [''], 'tags': ['']}, {'\x00\x00\x00\x00': [''], 'tags': ['']}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {'\x00\x00\x00\x00': [], '': []}, {'\x00\x00\x00\x00': [], 'tags': ['']}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : raises KeyError()
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# code_to_optimize.bubble_sort_typed.find_common_tags2_2 : returns set()
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# (codeflash312) renaud@Renauds-Laptop codeflash %
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def find_common_tags2_2(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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if not common_tags:
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break
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common_tags.intersection_update(article["tags"])
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return common_tags
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# % crosshair diffbehavior --max_uninteresting_iterations 128 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags2_3
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# Given: (articles=[{'tags': ['', '']}, {'tags': ['', '']}, {'tags': []}, {}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : returns set()
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# code_to_optimize.bubble_sort_typed.find_common_tags2_3 : raises KeyError()
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# Given: (articles=[{'\x00\x00\x00\x00': [], 'tags': []}, {'\x00\x00\x00\x00': [], 'tags': []}, {'\x00\x00\x00\x00': [], 'tags': []}, {'\x00\x00\x00\x00': []}, {}, {}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : returns set()
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# code_to_optimize.bubble_sort_typed.find_common_tags2_3 : raises KeyError()
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def find_common_tags2_3(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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article_tags = article["tags"] # Access 'tags' key to match KeyError behavior
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if not common_tags:
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continue # Skip intersection but maintain KeyError on missing 'tags'
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common_tags.intersection_update(article_tags)
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return common_tags
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def find_common_tags2_4(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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if common_tags:
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article_tags = article["tags"] # Access 'tags' only if common_tags is not empty
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common_tags.intersection_update(article_tags)
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else:
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# Do not access article["tags"]; no KeyError is raised
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pass
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return common_tags
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def find_common_tags2_5(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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# Initialize with the first article's tags, defaulting to an empty list if "tags" is missing
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common_tags = set(articles[0].get("tags", []))
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for article in articles[1:]:
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# Use .get("tags", []) to safely access tags, defaulting to an empty list if missing
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common_tags.intersection_update(article.get("tags", []))
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# Early exit if there are no common tags left
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if not common_tags:
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break
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return common_tags
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def find_common_tags2_6(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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# Initialize with the first article's tags
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common_tags = set(articles[0]["tags"]) # Raises KeyError if "tags" is missing
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for article in articles[1:]:
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# Directly access "tags", maintaining behavior
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common_tags.intersection_update(article["tags"])
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# Early exit if no common tags remain
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if not common_tags:
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break
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return common_tags
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def find_common_tags2_7(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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# Initialize with the first article's tags (raises KeyError if "tags" is missing)
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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if not common_tags:
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# If no common tags remain, no need to process further
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break
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# Access "tags" directly, maintaining original behavior (raises KeyError if missing)
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common_tags.intersection_update(article["tags"])
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return common_tags
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def find_common_tags2_8(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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# Initialize with the first article's tags (raises KeyError if "tags" is missing)
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try:
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common_tags = set(articles[0]["tags"])
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except KeyError:
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raise KeyError("The first article is missing the 'tags' key.")
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for index, article in enumerate(articles[1:], start=2):
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try:
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tags = article["tags"]
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except KeyError:
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raise KeyError(f"Article at position {index} is missing the 'tags' key.")
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# Perform intersection with the current article's tags
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common_tags.intersection_update(tags)
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return common_tags
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def find_common_tags2_9(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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# Initialize with the first article's tags (raises KeyError if "tags" is missing)
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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if not common_tags:
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# If no common tags remain, no need to process further
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break
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# Directly access "tags", allowing KeyError to propagate naturally
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common_tags.intersection_update(article["tags"])
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return common_tags
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# crosshair diffbehavior --max_uninteresting_iterations 64 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags3
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# Given: (articles=[{'tags': ['', '', '', '']}, {'tags': ['', '', '', '']}, {'tags': ['', '', '']}, {'tags': ['', '', '', '']}, {'tags': ['', '', '']}, {}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : raises KeyError()
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# code_to_optimize.bubble_sort_typed.find_common_tags3 : returns set()
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# Given: (articles=[{'\x00\x00\x00\x00': ['', ''], 'tags': [], '': []}, {}, {'\x00\x00\x00\x00': ['', ''], '': []}, {'': []}, {'\x00\x00\x00\x00': ['', ''], 'tags': [], '': []}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : returns set()
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# code_to_optimize.bubble_sort_typed.find_common_tags3 : raises KeyError()
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def find_common_tags3(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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common_tags.intersection_update(article["tags"])
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if not common_tags:
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break
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return common_tags
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# % crosshair diffbehavior --max_uninteresting_iterations 64 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags4
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# Given: (articles=[{'\x00\x00\x00\x00': ['', ''], 'tags': [], '': []}, {}, {'\x00\x00\x00\x00': ['', ''], '': []}, {'': []}, {'\x00\x00\x00\x00': ['', ''], 'tags': [], '': []}]),
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# code_to_optimize.bubble_sort_typed.find_common_tags : returns set()
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# code_to_optimize.bubble_sort_typed.find_common_tags4 : raises KeyError()
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def find_common_tags4(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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common_tags &= set(article["tags"])
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if not common_tags: # Early exit if no common tags.
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break
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return common_tags
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def with_pattern(pattern: str, regex_group_count: int | None = None) -> Callable:
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def decorator(func: Callable) -> Callable:
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func.pattern = pattern
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func.regex_group_count = regex_group_count
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return func
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return decorator
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def with_pattern2(pattern: str, regex_group_count: int | None = None) -> Callable:
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return (
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lambda func: setattr(func, "pattern", pattern)
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or setattr(func, "regex_group_count", regex_group_count)
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or func
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)
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"""
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We have this original code:
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```
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def find_common_tags(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = articles[0]["tags"]
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for article in articles[1:]:
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common_tags = [tag for tag in common_tags if tag in article["tags"]]
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return set(common_tags)
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```
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We generated optimized code:
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```
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def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0]["tags"])
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for article in articles[1:]:
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common_tags.intersection_update(article["tags"])
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return common_tags
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```
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When analyzed the optimized code for correctness with Concolic Testing (using CrossHair DiffBehavior), we found the following counter-example:
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```
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crosshair diffbehavior --max_uninteresting_iterations 64 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags2
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Given: (articles=[{'tags': ['', '']}, {'tags': ['', '']}, {'tags': []}, {}]), code_to_optimize.bubble_sort_typed.find_common_tags : returns set() code_to_optimize.bubble_sort_typed.find_common_tags2 : raises KeyError()
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```
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Fix find_common_tags2 for correctness relative to find_common_tags, making sure it is still optimized for speed.
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"""
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"""
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To fix the `KeyError` in `find_common_tags2` and ensure it behaves like the original `find_common_tags`, we'll modify the code to handle cases where the `'tags'` key might be missing in some articles. In the original code, it seems that articles might not always have the `'tags'` key, and in such cases, the code should default to an empty list.
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Here's the corrected and optimized version:
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```python
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def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = set(articles[0].get("tags", []))
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for article in articles[1:]:
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common_tags.intersection_update(article.get("tags", []))
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return common_tags
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```
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**Explanation:**
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- **Use `get` with a default value:**
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- We replaced `article["tags"]` with `article.get("tags", [])`. This ensures that if the `'tags'` key is missing, it defaults to an empty list instead of raising a `KeyError`.
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- **Initialize `common_tags` properly:**
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- We initialize `common_tags` with `set(articles[0].get("tags", []))` to handle cases where the first article might not have `'tags'`.
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- **Maintain Performance Optimization:**
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- By using `set` operations, we keep the optimized performance of the function while ensuring correctness.
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This change ensures that the function doesn't raise a `KeyError` when an article is missing the `'tags'` key, and it behaves identically to the original function for all inputs.
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"""
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"""We have this original code:
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```
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def find_common_tags(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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common_tags = articles[0]["tags"]
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for article in articles[1:]:
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common_tags = [tag for tag in common_tags if tag in article["tags"]]
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return set(common_tags)
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```
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We generated optimized code:
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```
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def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
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if not articles:
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return set()
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|
||
common_tags = set(articles[0]["tags"])
|
||
for article in articles[1:]:
|
||
common_tags.intersection_update(article["tags"])
|
||
return common_tags
|
||
```
|
||
|
||
When analyzed the optimized code for correctness with Concolic Testing (using CrossHair DiffBehavior), we found the following counter-example:
|
||
```
|
||
crosshair diffbehavior --max_uninteresting_iterations 64 code_to_optimize.bubble_sort_typed.find_common_tags code_to_optimize.bubble_sort_typed.find_common_tags2
|
||
|
||
Given: (articles=[{'tags': ['', '']}, {'tags': ['', '']}, {'tags': []}, {}]), code_to_optimize.bubble_sort_typed.find_common_tags : returns set() code_to_optimize.bubble_sort_typed.find_common_tags2 : raises KeyError()
|
||
```
|
||
|
||
We attempted to fix this with the following candidate:
|
||
```python
|
||
def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
|
||
if not articles:
|
||
return set()
|
||
|
||
common_tags = set(articles[0].get("tags", []))
|
||
for article in articles[1:]:
|
||
common_tags.intersection_update(article.get("tags", []))
|
||
return common_tags
|
||
```
|
||
When analyzing the optimized code for correctness with Concolic Testing (using CrossHair DiffBehavior), we found a different counter-example:
|
||
```
|
||
Given: (articles=[{'\x00\x00\x00\x00': [], 'tags': ['']}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {'tags': ['']}, {}, {'\x00\x00\x00\x00': [], 'tags': ['']}, {}]),
|
||
|
||
code_to_optimize.bubble_sort_typed.find_common_tags : raises KeyError()
|
||
code_to_optimize.bubble_sort_typed.find_common_tags2_1 : returns set()
|
||
```
|
||
|
||
Fix find_common_tags2_1 for correctness relative to find_common_tags, making sure it is still optimized for speed.
|
||
"""
|
||
"""To fix `find_common_tags2_1` and ensure it behaves identically to `find_common_tags`, we need to address the discrepancy in how the two functions handle the absence of the `'tags'` key and when `common_tags` becomes empty.
|
||
|
||
**Issue Analysis:**
|
||
|
||
1. **KeyError Discrepancy:**
|
||
- The original function raises a `KeyError` when accessing `article["tags"]` if the `'tags'` key is missing.
|
||
- Our optimized version used `article.get("tags", [])`, which avoids the `KeyError`, leading to different behavior.
|
||
|
||
2. **Empty `common_tags`:**
|
||
- In the original function, if `common_tags` becomes empty, the list comprehension doesn't access `article["tags"]`, preventing a `KeyError`.
|
||
- In the optimized version, `intersection_update` still accesses `article["tags"]` even if `common_tags` is empty, leading to unnecessary `KeyError`s.
|
||
|
||
**Solution:**
|
||
|
||
- **Mimic Original Exception Behavior:**
|
||
- We should ensure that `find_common_tags2` raises a `KeyError` in the same situations as `find_common_tags`.
|
||
- Avoid accessing `article["tags"]` when `common_tags` is empty, just like the original function.
|
||
|
||
- **Optimize by Early Exit:**
|
||
- If `common_tags` becomes empty, further intersections won't change it.
|
||
- We can break out of the loop early, improving performance.
|
||
|
||
**Corrected and Optimized Version:**
|
||
|
||
```python
|
||
def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
|
||
if not articles:
|
||
return set()
|
||
|
||
common_tags = set(articles[0]["tags"])
|
||
for article in articles[1:]:
|
||
if not common_tags:
|
||
break # No need to continue if common_tags is empty
|
||
common_tags.intersection_update(article["tags"])
|
||
return common_tags
|
||
```
|
||
|
||
**Explanation:**
|
||
|
||
- **Accessing `article["tags"]`:**
|
||
- We use `article["tags"]` instead of `article.get("tags", [])` to ensure a `KeyError` is raised if `'tags'` is missing, matching the original function's behavior.
|
||
|
||
- **Early Exit on Empty `common_tags`:**
|
||
- The `if not common_tags: break` statement checks if `common_tags` is empty.
|
||
- If it is empty, we break out of the loop, avoiding unnecessary accesses to `article["tags"]` that could raise a `KeyError`.
|
||
|
||
- **Performance Optimization:**
|
||
- By breaking early when `common_tags` is empty, we prevent further iterations and accesses.
|
||
- Using `set` operations with `intersection_update` retains the performance benefits.
|
||
|
||
**Validation with Counter-Examples:**
|
||
|
||
- **First Counter-Example:**
|
||
- With `articles=[{'tags': ['', '']}, {'tags': ['', '']}, {'tags': []}, {}]`, the original function returns `set()` without raising `KeyError`.
|
||
- Our corrected `find_common_tags2` also returns `set()` without raising `KeyError` because it avoids accessing `article["tags"]` when `common_tags` is empty.
|
||
|
||
- **Second Counter-Example:**
|
||
- With an input where an article lacks `'tags'` and `common_tags` is not empty, the original function raises `KeyError`.
|
||
- Our corrected `find_common_tags2` also raises `KeyError` in this situation, matching the original function's behavior.
|
||
|
||
**Conclusion:**
|
||
|
||
This corrected version ensures that `find_common_tags2` behaves identically to `find_common_tags` in all cases, raising `KeyError` when the original function does, and avoiding it otherwise. It also maintains the performance optimizations by using set operations and early loop exit.
|
||
|
||
**Final Optimized Code:**
|
||
|
||
```python
|
||
def find_common_tags2(articles: list[dict[str, list[str]]]) -> set[str]:
|
||
if not articles:
|
||
return set()
|
||
|
||
common_tags = set(articles[0]["tags"])
|
||
for article in articles[1:]:
|
||
if not common_tags:
|
||
break
|
||
common_tags.intersection_update(article["tags"])
|
||
return common_tags
|
||
```"""
|