intermediate changes

ref:8379e897e1f4fa0d71bb778a7c8bc68cb5e2f5ea

1 files changed, 25 insertions, 16 deletions

diff --git a/contrib/python/pytest/py3/_pytest/assertion/util.py b/contrib/python/pytest/py3/_pytest/assertion/util.py
index 19f1089c20..03167ddd47 100644
--- a/contrib/python/pytest/py3/_pytest/assertion/util.py
+++ b/contrib/python/pytest/py3/_pytest/assertion/util.py
@@ -135,6 +135,27 @@ def isiterable(obj: Any) -> bool:
         return False
 
 
+def has_default_eq(
+    obj: object,
+) -> bool:
+    """Check if an instance of an object contains the default eq
+
+    First, we check if the object's __eq__ attribute has __code__,
+    if so, we check the equally of the method code filename (__code__.co_filename)
+    to the default one generated by the dataclass and attr module
+    for dataclasses the default co_filename is <string>, for attrs class, the __eq__ should contain "attrs eq generated"
+    """
+    # inspired from https://github.com/willmcgugan/rich/blob/07d51ffc1aee6f16bd2e5a25b4e82850fb9ed778/rich/pretty.py#L68
+    if hasattr(obj.__eq__, "__code__") and hasattr(obj.__eq__.__code__, "co_filename"):
+        code_filename = obj.__eq__.__code__.co_filename
+
+        if isattrs(obj):
+            return "attrs generated eq" in code_filename
+
+        return code_filename == "<string>"  # data class
+    return True
+
+
 def assertrepr_compare(config, op: str, left: Any, right: Any) -> Optional[List[str]]:
     """Return specialised explanations for some operators/operands."""
     verbose = config.getoption("verbose")
@@ -202,8 +223,6 @@ def _compare_eq_any(left: Any, right: Any, verbose: int = 0) -> List[str]:
             explanation = _compare_eq_set(left, right, verbose)
         elif isdict(left) and isdict(right):
             explanation = _compare_eq_dict(left, right, verbose)
-        elif verbose > 0:
-            explanation = _compare_eq_verbose(left, right)
 
         if isiterable(left) and isiterable(right):
             expl = _compare_eq_iterable(left, right, verbose)
@@ -260,18 +279,6 @@ def _diff_text(left: str, right: str, verbose: int = 0) -> List[str]:
     return explanation
 
 
-def _compare_eq_verbose(left: Any, right: Any) -> List[str]:
-    keepends = True
-    left_lines = repr(left).splitlines(keepends)
-    right_lines = repr(right).splitlines(keepends)
-
-    explanation: List[str] = []
-    explanation += ["+" + line for line in left_lines]
-    explanation += ["-" + line for line in right_lines]
-
-    return explanation
-
-
 def _surrounding_parens_on_own_lines(lines: List[str]) -> None:
     """Move opening/closing parenthesis/bracket to own lines."""
     opening = lines[0][:1]
@@ -287,8 +294,8 @@ def _surrounding_parens_on_own_lines(lines: List[str]) -> None:
 def _compare_eq_iterable(
     left: Iterable[Any], right: Iterable[Any], verbose: int = 0
 ) -> List[str]:
-    if not verbose and not running_on_ci():
-        return ["Use -v to get the full diff"]
+    if verbose <= 0 and not running_on_ci():
+        return ["Use -v to get more diff"]
     # dynamic import to speedup pytest
     import difflib
 
@@ -427,6 +434,8 @@ def _compare_eq_dict(
 
 
 def _compare_eq_cls(left: Any, right: Any, verbose: int) -> List[str]:
+    if not has_default_eq(left):
+        return []
     if isdatacls(left):
         all_fields = left.__dataclass_fields__
         fields_to_check = [field for field, info in all_fields.items() if info.compare]