From 966b68171f0bbbf1512f0582fbb1eb8480325dc5 Mon Sep 17 00:00:00 2001 From: Fabro Date: Mon, 16 Mar 2026 08:01:30 -0400 Subject: [PATCH] checkpoint MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ⚒️ Generated with [Fabro](https://fabro.sh) --- checkpoint.json | 52 +++++++++++++++++++++++++++------- nodes/solve/prompt.md | 26 +++++++++++++++++ nodes/solve/provider_used.json | 5 ++++ nodes/solve/response.md | 5 ++++ nodes/solve/status.json | 6 ++++ 5 files changed, 83 insertions(+), 11 deletions(-) create mode 100644 nodes/solve/prompt.md create mode 100644 nodes/solve/provider_used.json create mode 100644 nodes/solve/response.md create mode 100644 nodes/solve/status.json diff --git a/checkpoint.json b/checkpoint.json index 9427cf9d1..243efdc64 100644 --- a/checkpoint.json +++ b/checkpoint.json @@ -1,31 +1,38 @@ { - "timestamp": "2026-03-16T12:00:37.850418Z", - "current_node": "setup", + "timestamp": "2026-03-16T12:01:30.082351Z", + "current_node": "solve", "completed_nodes": [ "start", - "setup" + "setup", + "solve" ], "node_retries": { "setup": 1, - "start": 1 + "start": 1, + "solve": 1 }, "context_values": { - "outcome": "fail", + "outcome": "success", "internal.fidelity": "compact", "internal.retry_count.start": 1, + "last_stage": "solve", "graph.rankdir": "LR", "command.stderr": "", - "internal.thread_id": "start", + "internal.thread_id": "setup", "internal.retry_count.setup": 1, "internal.node_visit_count": 1, + "thread.setup.current_node": "solve", + "response.solve": "The fix is applied. Both `ASCIIUsernameValidator` and `UnicodeUsernameValidator` now use `\\A` and `\\Z` instead of `^` and `$` to anchor the regex.\n\n**The problem:** Python's `$` in regex matches not only at the end of the string but also just before a trailing newline. This means a username like `\"validuser\\n\"` would incorrectly pass validation.\n\n**The fix:** Replace `^` with `\\A` (matches only at the absolute start of the string) and `$` with `\\Z` (matches only at the absolute end of the string, without the trailing-newline quirk). This ensures usernames ending with a newline are properly rejected.", "graph.goal": "UsernameValidator allows trailing newline in usernames\nDescription\n\t\nASCIIUsernameValidator and UnicodeUsernameValidator use the regex \nr'^[\\w.@+-]+$'\nThe intent is to only allow alphanumeric characters as well as ., @, +, and -. However, a little known quirk of Python regexes is that $ will also match a trailing newline. Therefore, the user name validators will accept usernames which end with a newline. You can avoid this behavior by instead using \\A and \\Z to terminate regexes. For example, the validator regex could be changed to\nr'\\A[\\w.@+-]+\\Z'\nin order to reject usernames that end with a newline.\nI am not sure how to officially post a patch, but the required change is trivial - using the regex above in the two validators in contrib.auth.validators.\n", - "failure_class": "deterministic", - "current.preamble": "Goal: UsernameValidator allows trailing newline in usernames\nDescription\n\t\nASCIIUsernameValidator and UnicodeUsernameValidator use the regex \nr'^[\\w.@+-]+$'\nThe intent is to only allow alphanumeric characters as well as ., @, +, and -. However, a little known quirk of Python regexes is that $ will also match a trailing newline. Therefore, the user name validators will accept usernames which end with a newline. You can avoid this behavior by instead using \\A and \\Z to terminate regexes. For example, the validator regex could be changed to\nr'\\A[\\w.@+-]+\\Z'\nin order to reject usernames that end with a newline.\nI am not sure how to officially post a patch, but the required change is trivial - using the regex above in the two validators in contrib.auth.validators.\n\n", + "failure_class": "", + "current.preamble": "Goal: UsernameValidator allows trailing newline in usernames\nDescription\n\t\nASCIIUsernameValidator and UnicodeUsernameValidator use the regex \nr'^[\\w.@+-]+$'\nThe intent is to only allow alphanumeric characters as well as ., @, +, and -. However, a little known quirk of Python regexes is that $ will also match a trailing newline. Therefore, the user name validators will accept usernames which end with a newline. You can avoid this behavior by instead using \\A and \\Z to terminate regexes. For example, the validator regex could be changed to\nr'\\A[\\w.@+-]+\\Z'\nin order to reject usernames that end with a newline.\nI am not sure how to officially post a patch, but the required change is trivial - using the regex above in the two validators in contrib.auth.validators.\n\n\n## Completed stages\n- **setup**: fail\n - Script: `git clone https://github.com/django/django.git . && git checkout d26b2424437dabeeca94d7900b37d2df4410da0c && 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: ## stdout fatal: destination path '.' already exists and is not an empty directory.\n", + "last_response": "The fix is applied. Both `ASCIIUsernameValidator` and `UnicodeUsernameValidator` now use `\\A` and `\\Z` instead of `^` and `$` to anchor the regex.\n\n**The problem:** Python's `$` in regex matches not o", + "internal.retry_count.solve": 1, "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n", "internal.run_id": "01KKV89S44D8W8R6E8JNCT76H6", - "current_node": "setup", + "current_node": "solve", "thread.start.current_node": "setup", - "failure_signature": "setup|deterministic|script failed with exit code: ## stdout fatal: destination path '.' already exists and is not an empty directory." + "failure_signature": "" }, "logs": [], "node_outcomes": { @@ -33,6 +40,28 @@ "status": "success", "duration_ms": 0 }, + "solve": { + "status": "success", + "context_updates": { + "last_stage": "solve", + "last_response": "The fix is applied. Both `ASCIIUsernameValidator` and `UnicodeUsernameValidator` now use `\\A` and `\\Z` instead of `^` and `$` to anchor the regex.\n\n**The problem:** Python's `$` in regex matches not o", + "response.solve": "The fix is applied. Both `ASCIIUsernameValidator` and `UnicodeUsernameValidator` now use `\\A` and `\\Z` instead of `^` and `$` to anchor the regex.\n\n**The problem:** Python's `$` in regex matches not only at the end of the string but also just before a trailing newline. This means a username like `\"validuser\\n\"` would incorrectly pass validation.\n\n**The fix:** Replace `^` with `\\A` (matches only at the absolute start of the string) and `$` with `\\Z` (matches only at the absolute end of the string, without the trailing-newline quirk). This ensures usernames ending with a newline are properly rejected." + }, + "notes": "Stage completed: solve", + "usage": { + "model": "claude-opus-4-6", + "input_tokens": 2555, + "output_tokens": 985, + "cache_read_tokens": 39326, + "cache_write_tokens": 6937, + "reasoning_tokens": 21, + "cost": 0.1122 + }, + "files_touched": [ + "/home/daytona/workspace/django_repo/django/contrib/auth/validators.py" + ], + "duration_ms": 49122 + }, "setup": { "status": "fail", "context_updates": { @@ -46,11 +75,12 @@ "duration_ms": 86 } }, - "next_node_id": "solve", + "next_node_id": "extract_patch", "loop_failure_signatures": { "setup|deterministic|script failed with exit code: ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1 }, "node_visits": { + "solve": 1, "start": 1, "setup": 1 } diff --git a/nodes/solve/prompt.md b/nodes/solve/prompt.md new file mode 100644 index 000000000..93048f112 --- /dev/null +++ b/nodes/solve/prompt.md @@ -0,0 +1,26 @@ +Goal: UsernameValidator allows trailing newline in usernames +Description + +ASCIIUsernameValidator and UnicodeUsernameValidator use the regex +r'^[\w.@+-]+$' +The intent is to only allow alphanumeric characters as well as ., @, +, and -. However, a little known quirk of Python regexes is that $ will also match a trailing newline. Therefore, the user name validators will accept usernames which end with a newline. You can avoid this behavior by instead using \A and \Z to terminate regexes. For example, the validator regex could be changed to +r'\A[\w.@+-]+\Z' +in order to reject usernames that end with a newline. +I am not sure how to officially post a patch, but the required change is trivial - using the regex above in the two validators in contrib.auth.validators. + + +## Completed stages +- **setup**: fail + - Script: `git clone https://github.com/django/django.git . && git checkout d26b2424437dabeeca94d7900b37d2df4410da0c && 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: ## 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. \ No newline at end of file diff --git a/nodes/solve/provider_used.json b/nodes/solve/provider_used.json new file mode 100644 index 000000000..c1905ff10 --- /dev/null +++ b/nodes/solve/provider_used.json @@ -0,0 +1,5 @@ +{ + "mode": "agent", + "provider": "anthropic", + "model": "claude-opus-4-6" +} \ No newline at end of file diff --git a/nodes/solve/response.md b/nodes/solve/response.md new file mode 100644 index 000000000..20268baff --- /dev/null +++ b/nodes/solve/response.md @@ -0,0 +1,5 @@ +The fix is applied. Both `ASCIIUsernameValidator` and `UnicodeUsernameValidator` now use `\A` and `\Z` instead of `^` and `$` to anchor the regex. + +**The problem:** Python's `$` in regex matches not only at the end of the string but also just before a trailing newline. This means a username like `"validuser\n"` would incorrectly pass validation. + +**The fix:** Replace `^` with `\A` (matches only at the absolute start of the string) and `$` with `\Z` (matches only at the absolute end of the string, without the trailing-newline quirk). This ensures usernames ending with a newline are properly rejected. \ No newline at end of file diff --git a/nodes/solve/status.json b/nodes/solve/status.json new file mode 100644 index 000000000..835b70a4c --- /dev/null +++ b/nodes/solve/status.json @@ -0,0 +1,6 @@ +{ + "status": "success", + "notes": "Stage completed: solve", + "failure_reason": null, + "timestamp": "2026-03-16T12:01:30.082148+00:00" +} \ No newline at end of file