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BUG-HUNT: [error-handling] file_tools._handle_file_edit() ignores encoding parameter — reads/writes with platform default encoding #7559

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opened 2026-04-10 21:49:53 +00:00 by HAL9000 · 2 comments

HAL9000 commented

2026-04-10 21:49:53 +00:00

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Bug Report: [error-handling] — file_tools._handle_file_edit() Encoding Inconsistency

Severity Assessment

Impact: _handle_file_edit() reads with Path.read_text() using platform default encoding and writes back the same way, while the tool schema accepts an "encoding" parameter that the handler completely ignores. On non-UTF-8 systems this corrupts file contents.
Likelihood: Low on Linux (UTF-8 default), High on Windows.
Priority: Medium

Location

File: src/cleveragents/tool/builtins/file_tools.py
Function/Class: _handle_file_edit
Lines: 139-160

Description

file_read and file_write both accept encoding and use it:

encoding: str = inputs.get("encoding", "utf-8")
content = path.read_text(encoding=encoding)
path.write_text(content, encoding=encoding)

But file_edit ignores the encoding parameter entirely:

def _handle_file_edit(inputs):
    content = path.read_text()   # platform default, NOT utf-8!
    ...
    path.write_text(content)     # platform default, NOT utf-8!

The tool schema includes "encoding": {"type": "string"} but the handler never reads inputs.get("encoding").

Expected Behavior

_handle_file_edit() should use encoding=inputs.get("encoding", "utf-8") for both read and write, consistent with other file tools.

Actual Behavior

Platform default encoding is used, causing mojibake or UnicodeDecodeError on non-UTF-8 systems.

Suggested Fix

encoding: str = inputs.get("encoding", "utf-8")
content = path.read_text(encoding=encoding)
...
path.write_text(content, encoding=encoding)

TDD Note

After this bug is verified, a Type/Testing issue will be created with @tdd_expected_fail tags.

Automated by CleverAgents Bot
Supervisor: Bug Hunt Pool | Agent: bug-hunt-pool-supervisor

## Bug Report: [error-handling] — file_tools._handle_file_edit() Encoding Inconsistency ### Severity Assessment - **Impact**: _handle_file_edit() reads with Path.read_text() using platform default encoding and writes back the same way, while the tool schema accepts an "encoding" parameter that the handler completely ignores. On non-UTF-8 systems this corrupts file contents. - **Likelihood**: Low on Linux (UTF-8 default), High on Windows. - **Priority**: Medium ### Location - **File**: src/cleveragents/tool/builtins/file_tools.py - **Function/Class**: _handle_file_edit - **Lines**: 139-160 ### Description file_read and file_write both accept encoding and use it: ```python encoding: str = inputs.get("encoding", "utf-8") content = path.read_text(encoding=encoding) path.write_text(content, encoding=encoding) ``` But file_edit ignores the encoding parameter entirely: ```python def _handle_file_edit(inputs): content = path.read_text() # platform default, NOT utf-8! ... path.write_text(content) # platform default, NOT utf-8! ``` The tool schema includes "encoding": {"type": "string"} but the handler never reads inputs.get("encoding"). ### Expected Behavior _handle_file_edit() should use encoding=inputs.get("encoding", "utf-8") for both read and write, consistent with other file tools. ### Actual Behavior Platform default encoding is used, causing mojibake or UnicodeDecodeError on non-UTF-8 systems. ### Suggested Fix ```python encoding: str = inputs.get("encoding", "utf-8") content = path.read_text(encoding=encoding) ... path.write_text(content, encoding=encoding) ``` ### Category error-handling ### TDD Note After this bug is verified, a Type/Testing issue will be created with @tdd_expected_fail tags. --- **Automated by CleverAgents Bot** Supervisor: Bug Hunt Pool | Agent: bug-hunt-pool-supervisor

HAL9000 added the

Type

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label

2026-04-10 21:49:53 +00:00

HAL9000 referenced this issue

2026-04-10 21:51:32 +00:00

[AUTO-BUG-SUP] Bug Hunt Pool Status (Cycle 3) #7560

HAL9000 added the

labels

2026-04-10 23:02:06 +00:00

HAL9000 added this to the v3.5.0 milestone

2026-04-10 23:05:51 +00:00

HAL9000 commented

2026-04-10 23:11:19 +00:00

Author

Owner

Issue triaged by project owner:

State: Verified
Priority: Backlog — Minor bug or optimization that does not block milestone delivery
Milestone: Assigned to appropriate milestone for future work
Story Points: 2 (S) — Small fix
MoSCoW: Could Have — Nice to fix but not blocking

Automated by CleverAgents Bot
Supervisor: Project Owner | Agent: project-owner-pool-supervisor

Issue triaged by project owner: - **State**: Verified - **Priority**: Backlog — Minor bug or optimization that does not block milestone delivery - **Milestone**: Assigned to appropriate milestone for future work - **Story Points**: 2 (S) — Small fix - **MoSCoW**: Could Have — Nice to fix but not blocking --- **Automated by CleverAgents Bot** Supervisor: Project Owner | Agent: project-owner-pool-supervisor

HAL9000 referenced this issue

2026-04-10 23:30:28 +00:00

[AUTO-OWNR] Project Owner Status (Cycle 4) #7585

freemo added the

Priority

Backlog

label

2026-04-12 18:34:02 +00:00

HAL9000 commented

2026-04-13 05:23:14 +00:00

Author

Owner

Implementation Attempt Starting — Tier 1: haiku — [AUTO-IMP-ISSUE-7559]

Beginning implementation of the encoding fix for _handle_file_edit() in file_tools.py.

Plan:

Read the current implementation of _handle_file_edit() in src/cleveragents/tool/builtins/file_tools.py
Fix the function to use encoding=inputs.get("encoding", "utf-8") for both read_text() and write_text() calls
Add BDD tests to cover the encoding parameter behavior
Run all quality gates (lint, typecheck, unit tests, integration tests)
Create a PR that closes this issue

Escalation Tier: Tier 1 (haiku)
Worker Tag: [AUTO-IMP-ISSUE-7559]

Automated by CleverAgents Bot
Supervisor: Implementation Pool | Agent: implementation-pool-supervisor

**Implementation Attempt Starting** — Tier 1: haiku — [AUTO-IMP-ISSUE-7559] Beginning implementation of the encoding fix for `_handle_file_edit()` in `file_tools.py`. **Plan:** 1. Read the current implementation of `_handle_file_edit()` in `src/cleveragents/tool/builtins/file_tools.py` 2. Fix the function to use `encoding=inputs.get("encoding", "utf-8")` for both `read_text()` and `write_text()` calls 3. Add BDD tests to cover the encoding parameter behavior 4. Run all quality gates (lint, typecheck, unit tests, integration tests) 5. Create a PR that closes this issue **Escalation Tier**: Tier 1 (haiku) **Worker Tag**: [AUTO-IMP-ISSUE-7559] --- **Automated by CleverAgents Bot** Supervisor: Implementation Pool | Agent: implementation-pool-supervisor

HAL9000 referenced this issue from a commit

2026-04-13 06:45:50 +00:00

fix(error-handling): _handle_file_edit() now respects encoding parameter

HAL9000 referenced this issue from a pull request that will close it,

2026-04-13 06:46:47 +00:00

fix(error-handling): _handle_file_edit() now respects encoding parameter #8258

HAL9000 referenced this issue

2026-04-13 07:01:14 +00:00

fix(error-handling): _handle_file_edit() now respects encoding parameter #8258

HAL9000 referenced this issue from a commit

2026-04-13 19:17:03 +00:00

fix(error-handling): _handle_file_edit() now respects encoding parameter