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File Write Tools - Atomic Operations Upgrade Summary

Related Code Files:

  • replace_text.py - Enhanced text replacement tool
  • replace_text_ast.py - Enhanced AST-aware text replacement
  • refactor_rename.py - Enhanced file and symbol renaming
  • safe_move.py - Enhanced safe file operations (most comprehensive)
  • organize_files.py - Enhanced file organization with bulk operations
  • java_scope_refactor.py - Enhanced Java-specific refactoring
  • ast_refactor.py - Enhanced basic AST refactoring
  • ast_refactor_enhanced.py - Enhanced advanced AST refactoring

Overview

All file modification tools in the Java Intelligence Analysis Toolkit have been upgraded with enterprise-grade atomic operations, retry logic, and file locking detection. This ensures data integrity and handles concurrent file access scenarios gracefully.

Enhanced Tools Summary

🎯 Core Text Replacement Tools

1. replace_text.py

  • Primary Purpose: General text replacement in files
  • Enhancements: Full atomic write with retry, file lock detection, configurable retry behavior
  • New Options: --max-retries, --retry-delay, --no-retry
  • Environment Variables: FILE_WRITE_MAX_RETRIES, FILE_WRITE_RETRY_DELAY

2. replace_text_ast.py

  • Primary Purpose: AST-aware scope-sensitive text replacement
  • Enhancements: Same as replace_text.py plus AST context preservation
  • New Options: --max-retries, --retry-delay, --no-retry
  • Environment Variables: FILE_WRITE_MAX_RETRIES, FILE_WRITE_RETRY_DELAY

🔄 Refactoring and Renaming Tools

3. refactor_rename.py

  • Primary Purpose: File and symbol renaming with code intelligence
  • Enhancements: Atomic context manager, comprehensive retry logic, Windows/Unix compatibility
  • New Options: --max-retries, --retry-delay
  • Environment Variables: REFACTOR_MAX_RETRIES, REFACTOR_RETRY_DELAY
  • Special Features: Custom exception classes, JSON output support

4. java_scope_refactor.py

  • Primary Purpose: Java-specific scope-aware refactoring
  • Enhancements: Java-specific error handling, backup creation, AST integration
  • New Options: --max-retries, --retry-delay (for rename and rename-project commands)
  • Environment Variables: JAVA_REFACTOR_MAX_RETRIES, JAVA_REFACTOR_RETRY_DELAY

5. ast_refactor.py

  • Primary Purpose: Basic AST-based refactoring
  • Enhancements: AST-aware atomic writes, backup creation
  • New Options: --max-retries, --retry-delay
  • Environment Variables: AST_REFACTOR_MAX_RETRIES, AST_REFACTOR_RETRY_DELAY

6. ast_refactor_enhanced.py

  • Primary Purpose: Advanced AST-based refactoring
  • Enhancements: Enhanced AST processing with atomic safety
  • New Options: --max-retries, --retry-delay
  • Environment Variables: AST_ENHANCED_MAX_RETRIES, AST_ENHANCED_RETRY_DELAY

📁 File Management Tools

7. safe_move.py (Most Comprehensive)

  • Primary Purpose: Safe file moving, copying, and management
  • Enhancements: Most comprehensive implementation with checksums, diagnostics, timeouts
  • New Options: --max-retries, --retry-delay, --timeout, --verify-checksum, --no-verify-checksum
  • Environment Variables: SAFE_MOVE_MAX_RETRIES, SAFE_MOVE_RETRY_DELAY, SAFE_MOVE_TIMEOUT, etc.
  • Special Features: MD5 checksum verification, diagnostic mode, operation history

8. organize_files.py

  • Primary Purpose: Bulk file organization and management
  • Enhancements: Bulk operation safety, manifest/rollback, checksum verification
  • New Options: --max-retries, --retry-delay, --operation-timeout, --verify-checksum, --wait-for-unlock
  • Environment Variables: ORGANIZE_FILES_MAX_RETRIES, ORGANIZE_FILES_VERIFY_CHECKSUM, etc.
  • Special Features: Incremental manifest updates, bulk operation statistics

Common Enhanced Features

🔒 Atomic Write Operations

All tools now use a consistent atomic write pattern:

  1. Temporary File Creation: Create temp file in same directory
  2. Content Writing: Write new content to temp file
  3. Data Sync: Force data to disk with fsync()
  4. Backup Creation: Create backup if requested
  5. Atomic Replace: Use os.replace() for atomic operation

🔄 Retry Logic

Configurable retry behavior for handling file conflicts:

  • Default: 3 retries with 1-second delays
  • Exponential Backoff: Some tools use progressive delays
  • Lock Detection: Specific handling for file locking errors
  • User Feedback: Progress reporting during retries

🛡️ File Lock Detection

Cross-platform file lock detection:

  • Unix/macOS: Uses fcntl.flock() for exclusive locks
  • Windows: Handles sharing violations and lock errors
  • Process Info: Shows which process has file locked (when available)
  • Graceful Handling: Waits and retries instead of failing immediately

⚙️ Configuration Options

Consistent configuration across all tools:

Command-Line Options:

  • --max-retries N: Maximum retry attempts
  • --retry-delay SECONDS: Delay between retries
  • --no-retry: Disable retry logic (some tools)
  • Tool-specific options (timeout, checksum, etc.)

Environment Variables:

Each tool has unique environment variable names:

  • {TOOL}_MAX_RETRIES: Override max retries
  • {TOOL}_RETRY_DELAY: Override retry delay
  • Tool-specific variables for additional features

📊 Enhanced Error Reporting

Detailed error information for troubleshooting:

  • Specific Error Types: Permission, locking, disk space, etc.
  • Process Information: Which process has file locked
  • Recovery Suggestions: Helpful guidance for users
  • Attempt Tracking: Shows retry attempt counts
  • Context Information: File paths, operation details

Usage Examples

Basic Usage (Backward Compatible)

# All existing commands work unchanged
./run_any_python_tool.sh replace_text.py "old" "new" file.txt
./run_any_python_tool.sh safe_move.py move source.txt dest.txt
./run_any_python_tool.sh organize_files.py ~/Downloads --by-ext

Enhanced Safety Features

# Custom retry configuration
./run_any_python_tool.sh replace_text.py "old" "new" file.txt --max-retries 5 --retry-delay 2.0

# Disable retry for scripts that need to fail fast
./run_any_python_tool.sh refactor_rename.py --replace oldVar newVar --in "*.py" --no-retry

# Enhanced file operations with checksum verification
./run_any_python_tool.sh safe_move.py copy important.dat backup/ --verify-checksum --timeout 120

# Bulk operations with safety features
./run_any_python_tool.sh organize_files.py large_directory --by-type --verify-checksum --max-retries 10

Environment Variable Configuration

# Set globally for a session
export FILE_WRITE_MAX_RETRIES=5
export FILE_WRITE_RETRY_DELAY=2.0
export SAFE_MOVE_VERIFY_CHECKSUM=true
export ORGANIZE_FILES_OPERATION_TIMEOUT=60

# Tools will use these settings automatically
./run_any_python_tool.sh replace_text.py "old" "new" *.txt
./run_any_python_tool.sh organize_files.py ~/Downloads --by-date

Benefits

🛡️ Data Integrity

  • Atomic Operations: Prevent partial writes and file corruption
  • Backup Creation: Preserve original files before modifications
  • Checksum Verification: Ensure data integrity for critical operations
  • Rollback Capability: Undo operations when things go wrong

🚀 Reliability

  • Concurrent Access: Handle files being used by other processes
  • Network Filesystems: Work correctly with NFS, SMB, etc.
  • Large Files: Handle large files without hanging or failing
  • Resource Management: Proper cleanup of temporary files

🔧 Operational Excellence

  • Monitoring: Detailed logging and error reporting
  • Configuration: Flexible configuration via CLI and environment
  • Automation: Suitable for CI/CD pipelines and automated workflows
  • Debugging: Comprehensive diagnostic information

🌐 Cross-Platform Compatibility

  • Windows: Handles file locking and sharing violations
  • Unix/Linux: Uses proper file locking mechanisms
  • macOS: Compatible with macOS file system features
  • Network Storage: Works with mounted network drives

Best Practices

For Interactive Use

  • Keep default settings (3 retries, 1-second delay)
  • Use verbose mode to see retry progress
  • Enable checksum verification for important files

For Automation/Scripts

  • Set appropriate timeouts for your environment
  • Use environment variables for consistent configuration
  • Consider --no-retry for predictable behavior in CI/CD
  • Enable logging for troubleshooting

For Production Environments

  • Increase retry counts for busy systems
  • Enable checksum verification for critical data
  • Set appropriate timeouts for network storage
  • Use manifest/rollback features for bulk operations

Migration Notes

Backward Compatibility

  • 100% Compatible: All existing commands work unchanged
  • Default Behavior: Conservative defaults maintain existing behavior
  • Opt-in Features: New safety features are optional
  • Performance: Minimal performance impact with default settings

Recommended Upgrades

  1. Enable checksum verification for critical file operations
  2. Increase retries for systems with high file contention
  3. Use environment variables for consistent configuration
  4. Enable verbose mode to see retry progress

This comprehensive upgrade ensures that all file modification tools in the toolkit provide enterprise-grade reliability while maintaining full backward compatibility. Users can now handle concurrent file access scenarios gracefully and prevent data corruption through atomic operations.