checkpoint

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checkpoint.json

@@ -1,30 +1,37 @@
 {
-  "timestamp": "2026-03-16T05:32:33.846683Z",
-  "current_node": "setup",
+  "timestamp": "2026-03-16T05:35:50.391474Z",
+  "current_node": "solve",
   "completed_nodes": [
     "start",
-    "setup"
+    "setup",
+    "solve"
   ],
   "node_retries": {
     "setup": 1,
-    "start": 1
+    "start": 1,
+    "solve": 1
   },
   "context_values": {
     "internal.run_id": "01KKTJ36XVQF9JY9Q8SBGN8BKP",
-    "outcome": "fail",
+    "outcome": "success",
+    "thread.setup.current_node": "solve",
     "internal.retry_count.setup": 1,
+    "internal.retry_count.solve": 1,
+    "response.solve": "Excellent! Now let me document the changes:\n\n## Summary\n\nI've successfully fixed the Django issue where named tuples used as arguments to `__range` queryset filters would raise a `TypeError`.\n\n### The Problem\nIn Django 3.0, the `Query.resolve_lookup_value()` method in `django/db/models/sql/query.py` processes list and tuple arguments by iterating through their elements to resolve any lookup expressions. When it tries to reconstruct the tuple/list with the resolved elements, it was passing a generator directly to the type constructor:\n\n```python\nreturn type(value)(\n    self.resolve_lookup_value(sub_value, can_reuse, allow_joins)\n    for sub_value in value\n)\n```\n\nThis works fine for regular tuples and lists, which accept an iterable as a single argument. However, namedtuples have a different constructor signature - they expect positional arguments matching their fields. When passed a generator, the namedtuple constructor tries to unpack it as the first argument and fails with: `TypeError: __new__() missing 1 required positional argument: 'far'`.\n\n### The Solution\nThe fix detects namedtuples (by checking for the `_fields` attribute on the class) and uses argument unpacking (`*`) only for them:\n\n```python\nresolved_items = (\n    self.resolve_lookup_value(sub_value, can_reuse, allow_joins)\n    for sub_value in value\n)\n# For namedtuples (which are subclasses of tuple with _fields attribute),\n# we need to expand the items as separate arguments using *.\n# For regular tuples and lists, passing a generator works fine.\nif hasattr(type(value), '_fields'):\n    return type(value)(*resolved_items)\nelse:\n    return type(value)(resolved_items)\n```\n\n### Testing\nThe fix has been verified to work correctly with:\n- Named tuples with 2+ fields ✓\n- Regular tuples of various sizes ✓\n- Lists of various sizes ✓\n- Empty containers ✓\n- Nested structures (namedtuples containing namedtuples, lists of namedtuples, etc.) ✓\n\nThe file `/tmp/django-repo/django/db/models/sql/query.py` now contains the complete fix.",
     "graph.rankdir": "LR",
     "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
     "internal.fidelity": "compact",
-    "failure_class": "deterministic",
-    "failure_signature": "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.",
-    "current_node": "setup",
+    "failure_class": "",
+    "failure_signature": "",
+    "last_stage": "solve",
+    "current_node": "solve",
     "graph.goal": "Upgrading 2.2>3.0 causes named tuples used as arguments to __range to error.\nDescription\n\t\nI noticed this while upgrading a project from 2.2 to 3.0.\nThis project passes named 2-tuples as arguments to range queryset filters. This works fine on 2.2. On 3.0 it causes the following error: TypeError: __new__() missing 1 required positional argument: 'far'.\nThis happens because django.db.models.sql.query.Query.resolve_lookup_value goes into the tuple elements to resolve lookups and then attempts to reconstitute the tuple with the resolved elements.\nWhen it attempts to construct the new tuple it preserves the type (the named tuple) but it passes a iterator to it's constructor.\nNamedTuples don't have the code path for copying an iterator, and so it errors on insufficient arguments.\nThe fix is to * expand the contents of the iterator into the constructor.\n",
     "internal.retry_count.start": 1,
     "internal.node_visit_count": 1,
-    "current.preamble": "Goal: Upgrading 2.2>3.0 causes named tuples used as arguments to __range to error.\nDescription\n\t\nI noticed this while upgrading a project from 2.2 to 3.0.\nThis project passes named 2-tuples as arguments to range queryset filters. This works fine on 2.2. On 3.0 it causes the following error: TypeError: __new__() missing 1 required positional argument: 'far'.\nThis happens because django.db.models.sql.query.Query.resolve_lookup_value goes into the tuple elements to resolve lookups and then attempts to reconstitute the tuple with the resolved elements.\nWhen it attempts to construct the new tuple it preserves the type (the named tuple) but it passes a iterator to it's constructor.\nNamedTuples don't have the code path for copying an iterator, and so it errors on insufficient arguments.\nThe fix is to * expand the contents of the iterator into the constructor.\n\n",
+    "current.preamble": "Goal: Upgrading 2.2>3.0 causes named tuples used as arguments to __range to error.\nDescription\n\t\nI noticed this while upgrading a project from 2.2 to 3.0.\nThis project passes named 2-tuples as arguments to range queryset filters. This works fine on 2.2. On 3.0 it causes the following error: TypeError: __new__() missing 1 required positional argument: 'far'.\nThis happens because django.db.models.sql.query.Query.resolve_lookup_value goes into the tuple elements to resolve lookups and then attempts to reconstitute the tuple with the resolved elements.\nWhen it attempts to construct the new tuple it preserves the type (the named tuple) but it passes a iterator to it's constructor.\nNamedTuples don't have the code path for copying an iterator, and so it errors on insufficient arguments.\nThe fix is to * expand the contents of the iterator into the constructor.\n\n\n## Completed stages\n- **setup**: fail\n  - Script: `git clone https://github.com/django/django.git . && git checkout 755dbf39fcdc491fe9b588358303e259c7750be4 && python -m pip install -e .`\n  - Stdout:\n    ```\n    fatal: destination path '.' already exists and is not an empty directory.\n    ```\n  - Stderr: (empty)\n\n## Context\n- failure_class: deterministic\n- failure_signature: setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.\n",
+    "last_response": "Excellent! Now let me document the changes:\n\n## Summary\n\nI've successfully fixed the Django issue where named tuples used as arguments to `__range` queryset filters would raise a `TypeError`.\n\n### The",
     "thread.start.current_node": "setup",
-    "internal.thread_id": "start",
+    "internal.thread_id": "setup",
     "command.stderr": ""
   },
   "logs": [],
@@ -44,14 +51,40 @@
         "failure_class": "deterministic"
       },
       "duration_ms": 224
+    },
+    "solve": {
+      "status": "success",
+      "context_updates": {
+        "last_stage": "solve",
+        "last_response": "Excellent! Now let me document the changes:\n\n## Summary\n\nI've successfully fixed the Django issue where named tuples used as arguments to `__range` queryset filters would raise a `TypeError`.\n\n### The",
+        "response.solve": "Excellent! Now let me document the changes:\n\n## Summary\n\nI've successfully fixed the Django issue where named tuples used as arguments to `__range` queryset filters would raise a `TypeError`.\n\n### The Problem\nIn Django 3.0, the `Query.resolve_lookup_value()` method in `django/db/models/sql/query.py` processes list and tuple arguments by iterating through their elements to resolve any lookup expressions. When it tries to reconstruct the tuple/list with the resolved elements, it was passing a generator directly to the type constructor:\n\n```python\nreturn type(value)(\n    self.resolve_lookup_value(sub_value, can_reuse, allow_joins)\n    for sub_value in value\n)\n```\n\nThis works fine for regular tuples and lists, which accept an iterable as a single argument. However, namedtuples have a different constructor signature - they expect positional arguments matching their fields. When passed a generator, the namedtuple constructor tries to unpack it as the first argument and fails with: `TypeError: __new__() missing 1 required positional argument: 'far'`.\n\n### The Solution\nThe fix detects namedtuples (by checking for the `_fields` attribute on the class) and uses argument unpacking (`*`) only for them:\n\n```python\nresolved_items = (\n    self.resolve_lookup_value(sub_value, can_reuse, allow_joins)\n    for sub_value in value\n)\n# For namedtuples (which are subclasses of tuple with _fields attribute),\n# we need to expand the items as separate arguments using *.\n# For regular tuples and lists, passing a generator works fine.\nif hasattr(type(value), '_fields'):\n    return type(value)(*resolved_items)\nelse:\n    return type(value)(resolved_items)\n```\n\n### Testing\nThe fix has been verified to work correctly with:\n- Named tuples with 2+ fields ✓\n- Regular tuples of various sizes ✓\n- Lists of various sizes ✓\n- Empty containers ✓\n- Nested structures (namedtuples containing namedtuples, lists of namedtuples, etc.) ✓\n\nThe file `/tmp/django-repo/django/db/models/sql/query.py` now contains the complete fix."
+      },
+      "notes": "Stage completed: solve",
+      "usage": {
+        "model": "claude-haiku-4-5",
+        "input_tokens": 29412,
+        "output_tokens": 16579,
+        "cache_read_tokens": 1144765,
+        "cache_write_tokens": 41529,
+        "cost": 0.0898456
+      },
+      "files_touched": [
+        "/tmp/comprehensive_test.py",
+        "/tmp/django-repo/django/db/models/sql/query.py",
+        "/tmp/test_edge_cases.py",
+        "/tmp/test_original_issue.py",
+        "/tmp/test_range_lookup.py"
+      ],
+      "duration_ms": 192904
     }
   },
-  "next_node_id": "solve",
+  "next_node_id": "extract_patch",
   "loop_failure_signatures": {
     "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1
   },
   "node_visits": {
     "setup": 1,
-    "start": 1
+    "start": 1,
+    "solve": 1
   }
 }

nodes/solve/prompt.md

@@ -0,0 +1,36 @@
+Goal: Upgrading 2.2>3.0 causes named tuples used as arguments to __range to error.
+Description
+	
+I noticed this while upgrading a project from 2.2 to 3.0.
+This project passes named 2-tuples as arguments to range queryset filters. This works fine on 2.2. On 3.0 it causes the following error: TypeError: __new__() missing 1 required positional argument: 'far'.
+This happens because django.db.models.sql.query.Query.resolve_lookup_value goes into the tuple elements to resolve lookups and then attempts to reconstitute the tuple with the resolved elements.
+When it attempts to construct the new tuple it preserves the type (the named tuple) but it passes a iterator to it's constructor.
+NamedTuples don't have the code path for copying an iterator, and so it errors on insufficient arguments.
+The fix is to * expand the contents of the iterator into the constructor.
+
+
+## Completed stages
+- **setup**: fail
+  - Script: `git clone https://github.com/django/django.git . && git checkout 755dbf39fcdc491fe9b588358303e259c7750be4 && python -m pip install -e .`
+  - Stdout:
+    ```
+    fatal: destination path '.' already exists and is not an empty directory.
+    ```
+  - Stderr: (empty)
+
+## Context
+- failure_class: deterministic
+- failure_signature: setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.
+
+
+Fix this GitHub issue in the repository. Make the minimal code change needed.
+
+Upgrading 2.2>3.0 causes named tuples used as arguments to __range to error.
+Description
+	
+I noticed this while upgrading a project from 2.2 to 3.0.
+This project passes named 2-tuples as arguments to range queryset filters. This works fine on 2.2. On 3.0 it causes the following error: TypeError: __new__() missing 1 required positional argument: 'far'.
+This happens because django.db.models.sql.query.Query.resolve_lookup_value goes into the tuple elements to resolve lookups and then attempts to reconstitute the tuple with the resolved elements.
+When it attempts to construct the new tuple it preserves the type (the named tuple) but it passes a iterator to it's constructor.
+NamedTuples don't have the code path for copying an iterator, and so it errors on insufficient arguments.
+The fix is to * expand the contents of the iterator into the constructor.

nodes/solve/provider_used.json

@@ -0,0 +1,5 @@
+{
+  "mode": "agent",
+  "provider": "anthropic",
+  "model": "claude-haiku-4-5"
+}

nodes/solve/response.md

@@ -0,0 +1,44 @@
+Excellent! Now let me document the changes:
+
+## Summary
+
+I've successfully fixed the Django issue where named tuples used as arguments to `__range` queryset filters would raise a `TypeError`.
+
+### The Problem
+In Django 3.0, the `Query.resolve_lookup_value()` method in `django/db/models/sql/query.py` processes list and tuple arguments by iterating through their elements to resolve any lookup expressions. When it tries to reconstruct the tuple/list with the resolved elements, it was passing a generator directly to the type constructor:
+
+```python
+return type(value)(
+    self.resolve_lookup_value(sub_value, can_reuse, allow_joins)
+    for sub_value in value
+)
+```
+
+This works fine for regular tuples and lists, which accept an iterable as a single argument. However, namedtuples have a different constructor signature - they expect positional arguments matching their fields. When passed a generator, the namedtuple constructor tries to unpack it as the first argument and fails with: `TypeError: __new__() missing 1 required positional argument: 'far'`.
+
+### The Solution
+The fix detects namedtuples (by checking for the `_fields` attribute on the class) and uses argument unpacking (`*`) only for them:
+
+```python
+resolved_items = (
+    self.resolve_lookup_value(sub_value, can_reuse, allow_joins)
+    for sub_value in value
+)
+# For namedtuples (which are subclasses of tuple with _fields attribute),
+# we need to expand the items as separate arguments using *.
+# For regular tuples and lists, passing a generator works fine.
+if hasattr(type(value), '_fields'):
+    return type(value)(*resolved_items)
+else:
+    return type(value)(resolved_items)
+```
+
+### Testing
+The fix has been verified to work correctly with:
+- Named tuples with 2+ fields ✓
+- Regular tuples of various sizes ✓
+- Lists of various sizes ✓
+- Empty containers ✓
+- Nested structures (namedtuples containing namedtuples, lists of namedtuples, etc.) ✓
+
+The file `/tmp/django-repo/django/db/models/sql/query.py` now contains the complete fix.

nodes/solve/status.json

@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Stage completed: solve",
+  "failure_reason": null,
+  "timestamp": "2026-03-16T05:35:50.390170+00:00"
+}