Changed code to support older Python versions

venv/lib/python3.11/site-packages/sentry_sdk/integrations/pure_eval.py

@@ -0,0 +1,141 @@
+import ast
+
+import sentry_sdk
+from sentry_sdk import serializer
+from sentry_sdk.integrations import Integration, DidNotEnable
+from sentry_sdk.scope import add_global_event_processor
+from sentry_sdk.utils import walk_exception_chain, iter_stacks
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from typing import Optional, Dict, Any, Tuple, List
+    from types import FrameType
+
+    from sentry_sdk._types import Event, Hint
+
+try:
+    import executing
+except ImportError:
+    raise DidNotEnable("executing is not installed")
+
+try:
+    import pure_eval
+except ImportError:
+    raise DidNotEnable("pure_eval is not installed")
+
+try:
+    # Used implicitly, just testing it's available
+    import asttokens  # noqa
+except ImportError:
+    raise DidNotEnable("asttokens is not installed")
+
+
+class PureEvalIntegration(Integration):
+    identifier = "pure_eval"
+
+    @staticmethod
+    def setup_once():
+        # type: () -> None
+
+        @add_global_event_processor
+        def add_executing_info(event, hint):
+            # type: (Event, Optional[Hint]) -> Optional[Event]
+            if sentry_sdk.get_client().get_integration(PureEvalIntegration) is None:
+                return event
+
+            if hint is None:
+                return event
+
+            exc_info = hint.get("exc_info", None)
+
+            if exc_info is None:
+                return event
+
+            exception = event.get("exception", None)
+
+            if exception is None:
+                return event
+
+            values = exception.get("values", None)
+
+            if values is None:
+                return event
+
+            for exception, (_exc_type, _exc_value, exc_tb) in zip(
+                reversed(values), walk_exception_chain(exc_info)
+            ):
+                sentry_frames = [
+                    frame
+                    for frame in exception.get("stacktrace", {}).get("frames", [])
+                    if frame.get("function")
+                ]
+                tbs = list(iter_stacks(exc_tb))
+                if len(sentry_frames) != len(tbs):
+                    continue
+
+                for sentry_frame, tb in zip(sentry_frames, tbs):
+                    sentry_frame["vars"] = (
+                        pure_eval_frame(tb.tb_frame) or sentry_frame["vars"]
+                    )
+            return event
+
+
+def pure_eval_frame(frame):
+    # type: (FrameType) -> Dict[str, Any]
+    source = executing.Source.for_frame(frame)
+    if not source.tree:
+        return {}
+
+    statements = source.statements_at_line(frame.f_lineno)
+    if not statements:
+        return {}
+
+    scope = stmt = list(statements)[0]
+    while True:
+        # Get the parent first in case the original statement is already
+        # a function definition, e.g. if we're calling a decorator
+        # In that case we still want the surrounding scope, not that function
+        scope = scope.parent
+        if isinstance(scope, (ast.FunctionDef, ast.ClassDef, ast.Module)):
+            break
+
+    evaluator = pure_eval.Evaluator.from_frame(frame)
+    expressions = evaluator.interesting_expressions_grouped(scope)
+
+    def closeness(expression):
+        # type: (Tuple[List[Any], Any]) -> Tuple[int, int]
+        # Prioritise expressions with a node closer to the statement executed
+        # without being after that statement
+        # A higher return value is better - the expression will appear
+        # earlier in the list of values and is less likely to be trimmed
+        nodes, _value = expression
+
+        def start(n):
+            # type: (ast.expr) -> Tuple[int, int]
+            return (n.lineno, n.col_offset)
+
+        nodes_before_stmt = [
+            node
+            for node in nodes
+            if start(node) < stmt.last_token.end  # type: ignore
+        ]
+        if nodes_before_stmt:
+            # The position of the last node before or in the statement
+            return max(start(node) for node in nodes_before_stmt)
+        else:
+            # The position of the first node after the statement
+            # Negative means it's always lower priority than nodes that come before
+            # Less negative means closer to the statement and higher priority
+            lineno, col_offset = min(start(node) for node in nodes)
+            return (-lineno, -col_offset)
+
+    # This adds the first_token and last_token attributes to nodes
+    atok = source.asttokens()
+
+    expressions.sort(key=closeness, reverse=True)
+    vars = {
+        atok.get_text(nodes[0]): value
+        for nodes, value in expressions[: serializer.MAX_DATABAG_BREADTH]
+    }
+    return serializer.serialize(vars, is_vars=True)