mirror of
https://github.com/fabro-sh/fabro.git
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Fabro
parent
d56dc07d56
commit
ce45e9a59a
5 changed files with 78 additions and 16 deletions
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@ -1,25 +1,28 @@
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{
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"timestamp": "2026-03-16T12:07:13.890515Z",
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"current_node": "solve",
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"timestamp": "2026-03-16T12:07:16.209911Z",
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"current_node": "extract_patch",
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"completed_nodes": [
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"start",
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"setup",
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"solve"
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"solve",
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"extract_patch"
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],
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"node_retries": {
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"setup": 1,
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"start": 1,
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"solve": 1
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"solve": 1,
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"extract_patch": 1
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},
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"context_values": {
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"thread.start.current_node": "setup",
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"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: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.\n",
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"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- **solve**: success\n - Model: claude-opus-4-6, 5.1k tokens in / 1.8k out\n - Files: /tmp/django-fix/django/contrib/auth/validators.py\n",
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"internal.retry_count.extract_patch": 1,
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"internal.fidelity": "compact",
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"command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
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"command.output": "",
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"thread.setup.current_node": "solve",
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"response.solve": "The fix works correctly. Both validators now:\n- ✅ Accept valid usernames (e.g., `validuser`)\n- ✅ Reject usernames with trailing newlines (e.g., `validuser\\n`)\n\n**Summary of changes:** In `django/contrib/auth/validators.py`, changed the regex in both `ASCIIUsernameValidator` and `UnicodeUsernameValidator` from `r'^[\\w.@+-]+$'` to `r'\\A[\\w.@+-]+\\Z'`. \n\nThe issue was that Python's `$` in regex matches both end-of-string and just before a trailing newline, while `\\Z` matches only the absolute end of the string. Similarly, `\\A` is used instead of `^` for consistency (matching only the absolute start of the string).",
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"internal.thread_id": "setup",
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"current_node": "solve",
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"internal.thread_id": "solve",
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"current_node": "extract_patch",
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"failure_signature": "",
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"last_stage": "solve",
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"command.stderr": "",
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@ -32,14 +35,11 @@
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"failure_class": "",
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"internal.retry_count.setup": 1,
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"internal.run_id": "01KKV8M223JTFVZ853MV9PGXVD",
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"internal.retry_count.start": 1
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"internal.retry_count.start": 1,
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"thread.solve.current_node": "extract_patch"
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},
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"logs": [],
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"node_outcomes": {
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"start": {
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"status": "success",
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"duration_ms": 0
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},
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"setup": {
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"status": "fail",
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"context_updates": {
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@ -52,6 +52,19 @@
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},
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"duration_ms": 26
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},
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"extract_patch": {
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"status": "success",
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"context_updates": {
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"command.output": "",
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"command.stderr": ""
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},
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"notes": "Script completed: git diff",
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"duration_ms": 30
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},
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"start": {
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"status": "success",
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"duration_ms": 0
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},
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"solve": {
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"status": "success",
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"context_updates": {
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@ -75,13 +88,14 @@
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"duration_ms": 57355
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}
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},
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"next_node_id": "extract_patch",
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"next_node_id": "exit",
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"loop_failure_signatures": {
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"setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1
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},
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"node_visits": {
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"setup": 1,
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"extract_patch": 1,
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"solve": 1,
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"start": 1
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"start": 1,
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"setup": 1
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}
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}
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5
nodes/extract_patch/script_invocation.json
Normal file
5
nodes/extract_patch/script_invocation.json
Normal file
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@ -0,0 +1,5 @@
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{
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"command": "git diff",
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"language": "shell",
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"timeout_ms": null
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}
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5
nodes/extract_patch/script_timing.json
Normal file
5
nodes/extract_patch/script_timing.json
Normal file
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@ -0,0 +1,5 @@
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{
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"duration_ms": 26,
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"exit_code": 0,
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"timed_out": false
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}
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6
nodes/extract_patch/status.json
Normal file
6
nodes/extract_patch/status.json
Normal file
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@ -0,0 +1,6 @@
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{
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"status": "success",
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"notes": "Script completed: git diff",
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"failure_reason": null,
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"timestamp": "2026-03-16T12:07:16.209471+00:00"
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}
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32
nodes/solve/diff.patch
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32
nodes/solve/diff.patch
Normal file
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@ -0,0 +1,32 @@
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diff --git a/django/contrib/auth/validators.py b/django/contrib/auth/validators.py
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new file mode 100644
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index 0000000..74e31f5
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--- /dev/null
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+++ b/django/contrib/auth/validators.py
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@@ -0,0 +1,25 @@
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+import re
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+
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+from django.core import validators
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+from django.utils.deconstruct import deconstructible
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+from django.utils.translation import gettext_lazy as _
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+
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+
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+@deconstructible
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+class ASCIIUsernameValidator(validators.RegexValidator):
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+ regex = r'\A[\w.@+-]+\Z'
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+ message = _(
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+ 'Enter a valid username. This value may contain only English letters, '
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+ 'numbers, and @/./+/-/_ characters.'
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+ )
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+ flags = re.ASCII
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+
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+
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+@deconstructible
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+class UnicodeUsernameValidator(validators.RegexValidator):
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+ regex = r'\A[\w.@+-]+\Z'
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+ message = _(
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+ 'Enter a valid username. This value may contain only letters, '
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+ 'numbers, and @/./+/-/_ characters.'
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+ )
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+ flags = 0
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\ No newline at end of file
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