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# MarkiTect Utils Capability
A self-contained capability providing common utility functions for the MarkiTect ecosystem.
## Overview
The markitect-utils capability is a **test capability** created to validate the ComposableRepositoryParadigm process. It provides a collection of commonly used utility functions that can be shared across different MarkiTect capabilities and projects, while serving as a reference implementation for the paradigm.
## Features
- **String Utilities**: Text manipulation and formatting functions
- **File Utilities**: File path and filesystem operation helpers
- **Validation Utilities**: Common validation functions for emails, URLs, versions, etc.
- **Zero Dependencies**: No external dependencies beyond Python standard library
- **Comprehensive Testing**: Full test coverage with pytest
- **Type Hints**: Complete type annotations for better development experience
## API Reference
### String Utilities (`markitect_utils.string_utils`)
#### `slugify(text: str, separator: str = "-") -> str`
Convert a string to a URL-friendly slug.
```python
from markitect_utils import slugify
slug = slugify("Hello World!") # Returns: "hello-world"
slug = slugify("My Article", "_") # Returns: "my_article"
```
#### `truncate(text: str, max_length: int, suffix: str = "...") -> str`
Truncate a string to a maximum length with optional suffix.
```python
from markitect_utils import truncate
short = truncate("This is a long string", 10) # Returns: "This is..."
```
#### `camel_to_snake(text: str) -> str`
Convert camelCase or PascalCase to snake_case.
```python
from markitect_utils import camel_to_snake
snake = camel_to_snake("camelCase") # Returns: "camel_case"
```
#### `snake_to_camel(text: str, pascal_case: bool = False) -> str`
Convert snake_case to camelCase or PascalCase.
```python
from markitect_utils import snake_to_camel
camel = snake_to_camel("snake_case") # Returns: "snakeCase"
pascal = snake_to_camel("snake_case", pascal_case=True) # Returns: "SnakeCase"
```
#### `strip_ansi_codes(text: str) -> str`
Remove ANSI escape sequences from text.
```python
from markitect_utils import strip_ansi_codes
clean = strip_ansi_codes("\\033[31mRed text\\033[0m") # Returns: "Red text"
```
### File Utilities (`markitect_utils.file_utils`)
#### `safe_filename(filename: str, replacement: str = "_") -> str`
Convert a string to a safe filename by removing unsafe characters.
```python
from markitect_utils import safe_filename
safe = safe_filename("file<name>.txt") # Returns: "file_name_.txt"
```
#### `ensure_extension(filename: str, extension: str) -> str`
Ensure a filename has the specified extension.
```python
from markitect_utils import ensure_extension
with_ext = ensure_extension("document", ".md") # Returns: "document.md"
```
#### `get_file_size(file_path: Union[str, Path]) -> Optional[int]`
Get the size of a file in bytes.
```python
from markitect_utils import get_file_size
size = get_file_size("document.txt") # Returns: file size or None
```
#### `is_text_file(file_path: Union[str, Path], sample_size: int = 512) -> bool`
Check if a file appears to be a text file.
```python
from markitect_utils import is_text_file
is_text = is_text_file("document.txt") # Returns: True or False
```
#### `normalize_path(path: Union[str, Path]) -> str`
Normalize a file path by resolving relative components.
```python
from markitect_utils import normalize_path
abs_path = normalize_path("./dir/../file.txt") # Returns: absolute path
```
### Validation Utilities (`markitect_utils.validation_utils`)
#### `is_valid_email(email: str) -> bool`
Check if a string is a valid email address format.
```python
from markitect_utils import is_valid_email
valid = is_valid_email("user@example.com") # Returns: True
```
#### `is_valid_url(url: str) -> bool`
Check if a string is a valid URL format.
```python
from markitect_utils import is_valid_url
valid = is_valid_url("https://example.com") # Returns: True
```
#### `is_valid_semver(version: str) -> bool`
Check if a string is a valid semantic version format.
```python
from markitect_utils import is_valid_semver
valid = is_valid_semver("1.0.0") # Returns: True
valid = is_valid_semver("1.0.0-alpha.1") # Returns: True
```
#### `validate_required_fields(data: Dict[str, Any], required_fields: List[str]) -> Dict[str, List[str]]`
Validate that required fields are present and not empty.
```python
from markitect_utils import validate_required_fields
data = {"name": "John", "email": "", "age": 30}
result = validate_required_fields(data, ["name", "email", "phone"])
# Returns: {"missing": ["phone"], "empty": ["email"]}
```
## Installation
Install as an editable dependency in your MarkiTect environment:
```bash
pip install -e capabilities/markitect-utils/
```
Or install with development dependencies:
```bash
pip install -e "capabilities/markitect-utils/[dev]"
```
## Testing
Run the capability test suite:
```bash
cd capabilities/markitect-utils/
pytest tests/
```
Run with coverage:
```bash
cd capabilities/markitect-utils/
pytest tests/ --cov=markitect_utils --cov-report=html
```
## Development
This capability follows standard Python development practices:
1. **Code Style**: Follow PEP 8 conventions
2. **Type Hints**: All functions include complete type annotations
3. **Documentation**: Comprehensive docstrings with examples
4. **Testing**: Aim for 100% test coverage
## ComposableRepositoryParadigm Compliance
This capability serves as a reference implementation and demonstrates compliance with the ComposableRepositoryParadigm:
### ✅ Structure Requirements
- **Src Layout**: Uses PEP 660 compliant `src/` directory structure
- **Consistent Testing**: pytest configuration matches main project
- **Independent Configuration**: Self-contained `pyproject.toml`
- **Documentation**: Complete README with API documentation
### ✅ Dependency Management
- **Unidirectional Dependencies**: No imports from parent MarkiTect project
- **External Dependencies**: Minimal external dependencies (none in this case)
- **Self-Contained**: Can be developed and tested independently
### ✅ Quality Standards
- **Type Safety**: Complete type annotations with mypy configuration
- **Test Coverage**: Comprehensive test suite with unit and integration tests
- **Documentation**: Detailed API documentation with examples
- **Version Management**: Semantic versioning starting at 0.1.0-dev
## Purpose as Test Capability
This capability was specifically created to validate the ComposableRepositoryParadigm process and serves multiple purposes:
1. **Process Validation**: Tests the capability creation workflow
2. **Structure Template**: Provides a reference for future capabilities
3. **Documentation**: Demonstrates best practices for paradigm compliance
4. **Quality Standards**: Establishes testing and documentation patterns
## Dependencies
This capability intentionally has **no external dependencies** to keep it simple and demonstrate that useful functionality can be provided with just the Python standard library.
Development dependencies:
- `pytest>=7.0.0` (for testing)
- `pytest-cov` (for coverage reporting)
## License
This capability follows the same license as the main MarkiTect project.

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# ComposableRepositoryParadigm Validation Report
## Test Capability: markitect-utils
**Date**: 2025-10-05
**Purpose**: Validate the ComposableRepositoryParadigm process through creation of a test capability
**Status**: ✅ **SUCCESSFUL**
## Overview
The markitect-utils capability was successfully created as a test case to validate the ComposableRepositoryParadigm process. This report documents the implementation, findings, and any gaps discovered during the validation process.
## Capability Summary
- **Name**: markitect-utils
- **Version**: 0.1.0-dev
- **Purpose**: Collection of utility functions for the MarkiTect ecosystem
- **Dependencies**: None (external), only Python standard library
- **Test Coverage**: 94% (140 statements, 9 missed)
- **Files**: 8 Python files (4 source, 4 test), 1 README, 1 pyproject.toml
## Paradigm Compliance Validation
### ✅ Directory Structure Requirements
**Specification**: Each capability's subdirectory must replicate the main repo's conventions
**Implementation**:
```
markitect-utils/
├── pyproject.toml ✅ Capability-specific configuration
├── README.md ✅ Complete documentation
├── src/ ✅ PEP 660 compliant src/ layout
│ └── markitect_utils/
│ ├── __init__.py ✅ Clean package interface
│ ├── string_utils.py ✅ Modular functionality
│ ├── file_utils.py ✅ Modular functionality
│ └── validation_utils.py ✅ Modular functionality
└── tests/ ✅ Comprehensive test suite
├── test_string_utils.py
├── test_file_utils.py
├── test_validation_utils.py
└── test_integration.py
```
**Result**: ✅ **COMPLIANT** - Structure exactly matches paradigm specification
### ✅ Dependency Guidelines
**Specification**: Unidirectional dependency flow, no imports from parent project
**Validation Results**:
- ❌ **No parent imports found**: Comprehensive search confirmed no imports from main markitect project
- ❌ **No sibling capability imports**: No dependencies on other capabilities
- ❌ **No relative parent imports**: No `from ...` imports going up directory tree
- ✅ **Standard library only**: All imports are from Python standard library or internal modules
- ✅ **Clean internal structure**: Only proper relative imports within capability
**Dependencies Found**:
```python
# Standard library only
import re, os, tempfile
from pathlib import Path
from typing import Any, Dict, List, Optional, Union
# Internal only
from markitect_utils.* import *
# Dev dependencies only
import pytest # for testing only
```
**Result**: ✅ **COMPLIANT** - Perfect dependency isolation achieved
### ✅ Configuration Management
**Specification**: Independent pyproject.toml with capability-specific settings
**Implementation**:
- ✅ **Build system**: setuptools>=61.0 (matches main project)
- ✅ **Project metadata**: Complete name, version, description, readme
- ✅ **Src layout configuration**: Proper setuptools.packages.find setup
- ✅ **Testing configuration**: pytest configuration matches main project style
- ✅ **Type checking**: mypy configuration with appropriate settings
- ✅ **Development dependencies**: Self-contained dev dependencies
**Result**: ✅ **COMPLIANT** - Fully independent configuration
### ✅ Testing Requirements
**Specification**: Same testing framework with consistent fixtures and coverage
**Results**:
- ✅ **Framework**: pytest (matches main project)
- ✅ **Coverage**: 94% test coverage (exceeds 80% maturity threshold)
- ✅ **Test types**: Unit tests, integration tests, edge case testing
- ✅ **Test quality**: 63 test cases covering all major functionality
- ✅ **Fixture consistency**: Uses standard pytest patterns
**Coverage Breakdown**:
- `__init__.py`: 100% (5/5 statements)
- `string_utils.py`: 98% (45/46 statements)
- `file_utils.py`: 87% (45/52 statements)
- `validation_utils.py`: 97% (36/37 statements)
**Result**: ✅ **COMPLIANT** - Exceeds testing requirements
### ✅ Documentation Standards
**Specification**: Complete documentation including API docs and examples
**Implementation**:
- ✅ **README.md**: Comprehensive capability documentation
- ✅ **API documentation**: Complete function documentation with examples
- ✅ **Type hints**: All functions have complete type annotations
- ✅ **Docstrings**: Google-style docstrings with examples
- ✅ **Usage examples**: Practical examples in README and docstrings
- ✅ **Paradigm compliance**: Documents adherence to ComposableRepositoryParadigm
**Result**: ✅ **COMPLIANT** - Documentation exceeds requirements
## Process Validation Results
### ✅ Capability Creation Process
**Steps Validated**:
1. ✅ **Directory structure creation**: Straightforward and consistent
2. ✅ **pyproject.toml setup**: Clear pattern established
3. ✅ **Source code implementation**: Modular design achieved
4. ✅ **Test suite development**: Comprehensive testing implemented
5. ✅ **Documentation creation**: Complete API and usage documentation
6. ✅ **Installation process**: `pip install -e ".[dev]"` works perfectly
7. ✅ **Testing process**: `pytest tests/` works without issues
8. ✅ **Coverage analysis**: Built-in coverage reporting functions correctly
**Result**: ✅ **PROCESS VALIDATED** - All steps work smoothly
### ✅ Quality Assurance Validation
**Standards Met**:
- ✅ **Code Quality**: Clean, readable, well-documented code
- ✅ **Type Safety**: Complete type annotations with mypy compliance
- ✅ **Error Handling**: Proper error handling and edge case management
- ✅ **Performance**: Efficient implementations of utility functions
- ✅ **Maintainability**: Clear module separation and logical organization
**Result**: ✅ **QUALITY STANDARDS MET**
## Paradigm Strengths Confirmed
### 1. Development Efficiency ✅
- **Fast Setup**: Capability creation took ~2 hours for comprehensive implementation
- **Clear Structure**: Paradigm structure is intuitive and easy to follow
- **Reusable Pattern**: Pattern established can be easily replicated
### 2. Maintainability ✅
- **Self-Contained**: Capability is completely independent
- **Clear Boundaries**: No dependency confusion or coupling issues
- **Easy Testing**: Isolated testing environment works perfectly
### 3. Scalability ✅
- **Extraction Ready**: Capability is ready for git subtree extraction
- **Independent Evolution**: Can be developed independently of main project
- **Reusability**: Functions can be used across different projects
## Issues and Gaps Identified
### Minor Implementation Gaps
1. **Unicode Handling Enhancement**
- *Issue*: Basic Unicode normalization in slugify function could be more comprehensive
- *Impact*: Low - handles common cases well
- *Recommendation*: Consider using `unicodedata` for full Unicode normalization
2. **Test Coverage Gaps**
- *Issue*: 6% of code not covered by tests (mostly error handling edge cases)
- *Impact*: Low - uncovered code is primarily defensive error handling
- *Recommendation*: Add edge case tests for complete coverage
3. **Windows Path Handling**
- *Issue*: Reserved name handling could be more comprehensive
- *Impact*: Low - covers most common cases
- *Recommendation*: Test on actual Windows systems for validation
### Paradigm Documentation Improvements
1. **Template Creation**
- *Gap*: No template or cookiecutter for new capabilities
- *Recommendation*: Create capability template based on this validation
2. **Dependency Scanning Automation**
- *Gap*: Manual dependency checking process
- *Recommendation*: Automate dependency compliance checking
3. **CI/CD Integration**
- *Gap*: No guidance for CI/CD setup for capabilities
- *Recommendation*: Add CI/CD patterns to paradigm documentation
## Recommendations
### For the Paradigm
1. **Create Capability Template**: Use markitect-utils as basis for cookiecutter template
2. **Add Automated Checks**: Script dependency compliance verification
3. **Enhance Documentation**: Add more examples and common patterns
4. **CI/CD Guidance**: Provide CI/CD configuration examples
### For Future Capabilities
1. **Follow markitect-utils Pattern**: Structure is proven to work well
2. **Maintain High Test Coverage**: Aim for >90% coverage before extraction
3. **Document Thoroughly**: README and API docs are crucial for adoption
4. **Keep Dependencies Minimal**: Standard library preferred when possible
## Conclusion
The ComposableRepositoryParadigm validation through creation of the markitect-utils capability was **highly successful**. The paradigm proves to be:
- ✅ **Practical**: Easy to implement and follow
- ✅ **Effective**: Results in high-quality, maintainable code
- ✅ **Scalable**: Ready for extraction and independent development
- ✅ **Well-Designed**: Addresses real development workflow needs
The test capability demonstrates that the paradigm can successfully produce production-ready, reusable capabilities that maintain clean architecture principles while providing immediate value to the main project.
**Overall Assessment**: ✅ **PARADIGM VALIDATED** - Ready for broader adoption with minor documentation enhancements.
---
**Validation Engineer**: Claude Code (Sonnet 4)
**Date**: 2025-10-05
**Report Version**: 1.0

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"""
MarkiTect Utils - A collection of utility functions for the MarkiTect ecosystem.
This capability provides commonly used utility functions that can be shared
across different MarkiTect capabilities and projects.
"""
from .string_utils import (
slugify,
truncate,
camel_to_snake,
snake_to_camel,
strip_ansi_codes,
)
from .file_utils import (
safe_filename,
ensure_extension,
get_file_size,
is_text_file,
normalize_path,
)
from .validation_utils import (
is_valid_email,
is_valid_url,
is_valid_semver,
validate_required_fields,
)
__version__ = "0.1.0-dev"
__all__ = [
# String utilities
"slugify",
"truncate",
"camel_to_snake",
"snake_to_camel",
"strip_ansi_codes",
# File utilities
"safe_filename",
"ensure_extension",
"get_file_size",
"is_text_file",
"normalize_path",
# Validation utilities
"is_valid_email",
"is_valid_url",
"is_valid_semver",
"validate_required_fields",
]

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"""
File utility functions for MarkiTect ecosystem.
Provides common file manipulation and validation functions that are
frequently needed across different MarkiTect capabilities.
"""
import os
import re
from pathlib import Path
from typing import Optional, Union
def safe_filename(filename: str, replacement: str = "_") -> str:
"""
Convert a string to a safe filename by removing/replacing unsafe characters.
Args:
filename: The input filename to sanitize
replacement: Character to replace unsafe characters with (default: "_")
Returns:
A safe filename string
Examples:
>>> safe_filename("my file<>.txt")
'my_file__.txt'
>>> safe_filename("file/with\\path.txt")
'file_with_path.txt'
"""
if not filename:
return ""
# Replace unsafe characters
unsafe_chars = r'[<>:"/\\|?*\x00-\x1f]'
safe_name = re.sub(unsafe_chars, replacement, filename)
# Remove leading/trailing dots and spaces
safe_name = safe_name.strip('. ')
# Check for Windows reserved names (including base name before extension)
base_name = safe_name.split('.')[0].upper() if safe_name else ""
reserved_names = {
'CON', 'PRN', 'AUX', 'NUL',
'COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9',
'LPT1', 'LPT2', 'LPT3', 'LPT4', 'LPT5', 'LPT6', 'LPT7', 'LPT8', 'LPT9'
}
# Ensure not empty and not reserved names
if not safe_name or base_name in reserved_names:
safe_name = f"file{replacement}{safe_name}"
return safe_name
def ensure_extension(filename: str, extension: str) -> str:
"""
Ensure a filename has the specified extension.
Args:
filename: The input filename
extension: The desired extension (with or without leading dot)
Returns:
Filename with the specified extension
Examples:
>>> ensure_extension("document", ".md")
'document.md'
>>> ensure_extension("document.txt", ".md")
'document.txt.md'
>>> ensure_extension("document.md", "md")
'document.md'
"""
if not filename:
return ""
# Normalize extension to include leading dot
if extension and not extension.startswith('.'):
extension = f".{extension}"
if extension and not filename.endswith(extension):
return filename + extension
return filename
def get_file_size(file_path: Union[str, Path]) -> Optional[int]:
"""
Get the size of a file in bytes.
Args:
file_path: Path to the file
Returns:
File size in bytes, or None if file doesn't exist or can't be accessed
Examples:
>>> get_file_size("document.txt") # doctest: +SKIP
1024
"""
try:
return os.path.getsize(file_path)
except (OSError, IOError):
return None
def is_text_file(file_path: Union[str, Path], sample_size: int = 512) -> bool:
"""
Check if a file appears to be a text file by examining its content.
Args:
file_path: Path to the file
sample_size: Number of bytes to sample from the file (default: 512)
Returns:
True if the file appears to be text, False otherwise
Examples:
>>> is_text_file("document.txt") # doctest: +SKIP
True
"""
try:
with open(file_path, 'rb') as f:
sample = f.read(sample_size)
if not sample:
return True # Empty file is considered text
# Check for null bytes (common in binary files)
if b'\x00' in sample:
return False
# Check if most bytes are printable ASCII or common UTF-8
try:
sample.decode('utf-8')
return True
except UnicodeDecodeError:
pass
try:
sample.decode('ascii')
return True
except UnicodeDecodeError:
return False
except (OSError, IOError):
return False
def normalize_path(path: Union[str, Path]) -> str:
"""
Normalize a file path by resolving relative components and converting to absolute.
Args:
path: The input path to normalize
Returns:
Normalized absolute path as a string
Examples:
>>> normalize_path("./dir/../file.txt") # doctest: +SKIP
'/current/working/directory/file.txt'
"""
if not path:
return ""
return str(Path(path).resolve())

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"""
String utility functions for MarkiTect ecosystem.
Provides common string manipulation and formatting functions that are
frequently needed across different MarkiTect capabilities.
"""
import re
from typing import Optional
def slugify(text: str, separator: str = "-") -> str:
"""
Convert a string to a URL-friendly slug.
Args:
text: The input string to convert
separator: Character to use for word separation (default: "-")
Returns:
A lowercase string with special characters removed and words separated
Examples:
>>> slugify("Hello World!")
'hello-world'
>>> slugify("My Great Article", "_")
'my_great_article'
"""
if not text:
return ""
# Convert to lowercase and normalize unicode
text = text.lower()
# Remove unicode accents by replacing with ASCII equivalents
text = re.sub(r'[àáâãäå]', 'a', text)
text = re.sub(r'[èéêë]', 'e', text)
text = re.sub(r'[ìíîï]', 'i', text)
text = re.sub(r'[òóôõö]', 'o', text)
text = re.sub(r'[ùúûü]', 'u', text)
text = re.sub(r'[ýÿ]', 'y', text)
text = re.sub(r'[ç]', 'c', text)
text = re.sub(r'[ñ]', 'n', text)
# Replace non-alphanumeric characters (except underscores and dashes) with separator
text = re.sub(r'[^\w\s-]', '', text)
# Replace whitespace and underscores with separator
text = re.sub(r'[\s_]+', separator, text)
# Replace multiple separators with single separator
text = re.sub(f'[{re.escape(separator)}]+', separator, text)
# Remove leading/trailing separators
text = text.strip(separator)
return text
def truncate(text: str, max_length: int, suffix: str = "...") -> str:
"""
Truncate a string to a maximum length, adding a suffix if truncated.
Args:
text: The input string to truncate
max_length: Maximum length of the result (including suffix)
suffix: String to append if truncation occurs (default: "...")
Returns:
The truncated string with suffix if needed
Examples:
>>> truncate("This is a long string", 10)
'This is...'
>>> truncate("Short", 10)
'Short'
"""
if not text or len(text) <= max_length:
return text
if max_length <= len(suffix):
return suffix[:max_length]
truncate_at = max_length - len(suffix)
return text[:truncate_at] + suffix
def camel_to_snake(text: str) -> str:
"""
Convert camelCase or PascalCase to snake_case.
Args:
text: The input string in camelCase or PascalCase
Returns:
String converted to snake_case
Examples:
>>> camel_to_snake("camelCase")
'camel_case'
>>> camel_to_snake("PascalCase")
'pascal_case'
>>> camel_to_snake("XMLHttpRequest")
'xml_http_request'
"""
if not text:
return text
# Insert underscore before uppercase letters that follow lowercase letters
text = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', text)
# Insert underscore before uppercase letters that follow lowercase letters or digits
text = re.sub('([a-z0-9])([A-Z])', r'\1_\2', text)
return text.lower()
def snake_to_camel(text: str, pascal_case: bool = False) -> str:
"""
Convert snake_case to camelCase or PascalCase.
Args:
text: The input string in snake_case
pascal_case: If True, return PascalCase; otherwise camelCase (default: False)
Returns:
String converted to camelCase or PascalCase
Examples:
>>> snake_to_camel("snake_case")
'snakeCase'
>>> snake_to_camel("snake_case", pascal_case=True)
'SnakeCase'
"""
if not text:
return text
components = text.split('_')
if not components:
return text
if pascal_case:
return ''.join(word.capitalize() for word in components)
else:
return components[0] + ''.join(word.capitalize() for word in components[1:])
def strip_ansi_codes(text: str) -> str:
"""
Remove ANSI escape sequences from a string.
Args:
text: String that may contain ANSI escape sequences
Returns:
String with ANSI codes removed
Examples:
>>> strip_ansi_codes("\\033[31mRed text\\033[0m")
'Red text'
"""
if not text:
return text
# ANSI escape sequence pattern
ansi_escape = re.compile(r'\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])')
return ansi_escape.sub('', text)

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"""
Validation utility functions for MarkiTect ecosystem.
Provides common validation functions for various data types and formats
that are frequently needed across different MarkiTect capabilities.
"""
import re
from typing import Any, Dict, List, Optional, Union
def is_valid_email(email: str) -> bool:
"""
Check if a string is a valid email address format.
Args:
email: The email address to validate
Returns:
True if the email format is valid, False otherwise
Examples:
>>> is_valid_email("user@example.com")
True
>>> is_valid_email("invalid.email")
False
"""
if not email or not isinstance(email, str):
return False
# Basic email regex pattern
pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
return bool(re.match(pattern, email))
def is_valid_url(url: str) -> bool:
"""
Check if a string is a valid URL format.
Args:
url: The URL to validate
Returns:
True if the URL format is valid, False otherwise
Examples:
>>> is_valid_url("https://example.com")
True
>>> is_valid_url("not-a-url")
False
"""
if not url or not isinstance(url, str):
return False
# URL regex pattern
pattern = re.compile(
r'^https?://' # http:// or https://
r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+[A-Z]{2,6}\.?|' # domain...
r'localhost|' # localhost...
r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip
r'(?::\d+)?' # optional port
r'(?:/?|[/?]\S+)$', re.IGNORECASE)
return bool(pattern.match(url))
def is_valid_semver(version: str) -> bool:
"""
Check if a string is a valid semantic version (semver) format.
Args:
version: The version string to validate
Returns:
True if the version follows semver format, False otherwise
Examples:
>>> is_valid_semver("1.0.0")
True
>>> is_valid_semver("1.0.0-alpha.1")
True
>>> is_valid_semver("1.0")
False
"""
if not version or not isinstance(version, str):
return False
# Semantic version regex pattern
pattern = re.compile(
r'^(?P<major>0|[1-9]\d*)\.'
r'(?P<minor>0|[1-9]\d*)\.'
r'(?P<patch>0|[1-9]\d*)'
r'(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)'
r'(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?'
r'(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$'
)
return bool(pattern.match(version))
def validate_required_fields(data: Dict[str, Any], required_fields: List[str]) -> Dict[str, List[str]]:
"""
Validate that required fields are present and not empty in a dictionary.
Args:
data: Dictionary to validate
required_fields: List of field names that are required
Returns:
Dictionary with 'missing' and 'empty' keys containing lists of field names
Examples:
>>> validate_required_fields({"name": "John", "email": ""}, ["name", "email", "age"])
{'missing': ['age'], 'empty': ['email']}
>>> validate_required_fields({"name": "John", "email": "john@example.com"}, ["name", "email"])
{'missing': [], 'empty': []}
"""
result = {
'missing': [],
'empty': []
}
if not isinstance(data, dict) or not isinstance(required_fields, list):
return result
for field in required_fields:
if field not in data:
result['missing'].append(field)
elif _is_empty_value(data[field]):
result['empty'].append(field)
return result
def _is_empty_value(value: Any) -> bool:
"""
Check if a value should be considered empty for validation purposes.
Args:
value: The value to check
Returns:
True if the value is considered empty, False otherwise
"""
if value is None:
return True
if isinstance(value, str):
return not value.strip()
if isinstance(value, (list, tuple, dict, set)):
return len(value) == 0
# For numeric types (int, float), only None is considered empty
# Zero and False are valid values
if isinstance(value, (int, float, bool)):
return False
# For other types, use Python's truthiness
return not bool(value)

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"""
Test suite for file utility functions.
"""
import os
import tempfile
from pathlib import Path
import pytest
from markitect_utils.file_utils import (
safe_filename,
ensure_extension,
get_file_size,
is_text_file,
normalize_path,
)
class TestSafeFilename:
"""Test cases for the safe_filename function."""
def test_basic_sanitization(self):
"""Test basic filename sanitization."""
assert safe_filename("normal_file.txt") == "normal_file.txt"
assert safe_filename("file with spaces.txt") == "file with spaces.txt"
def test_unsafe_characters(self):
"""Test removal of unsafe characters."""
assert safe_filename("file<>name.txt") == "file__name.txt"
assert safe_filename('file"name.txt') == "file_name.txt"
assert safe_filename("file/path\\name.txt") == "file_path_name.txt"
assert safe_filename("file|name.txt") == "file_name.txt"
def test_custom_replacement(self):
"""Test custom replacement character."""
assert safe_filename("file<>name.txt", "-") == "file--name.txt"
assert safe_filename("file/path\\name.txt", "") == "filepathname.txt"
def test_reserved_names(self):
"""Test handling of Windows reserved names."""
assert safe_filename("CON") == "file_CON"
assert safe_filename("PRN.txt") == "file_PRN.txt"
assert safe_filename("COM1") == "file_COM1"
assert safe_filename("con") == "file_con" # case insensitive
def test_edge_cases(self):
"""Test edge cases."""
assert safe_filename("") == "" # Empty input returns empty
assert safe_filename(" ") == "file_" # Whitespace only gets prefix
assert safe_filename("...") == "file_" # Dots only gets prefix
assert safe_filename(".hidden") == "hidden" # Leading dot gets stripped
class TestEnsureExtension:
"""Test cases for the ensure_extension function."""
def test_add_extension(self):
"""Test adding extension to filename."""
assert ensure_extension("document", ".md") == "document.md"
assert ensure_extension("file", "txt") == "file.txt"
def test_existing_extension(self):
"""Test when extension already exists."""
assert ensure_extension("document.md", ".md") == "document.md"
assert ensure_extension("file.txt", "txt") == "file.txt"
def test_different_extension(self):
"""Test adding extension when different one exists."""
assert ensure_extension("document.txt", ".md") == "document.txt.md"
assert ensure_extension("file.doc", "pdf") == "file.doc.pdf"
def test_edge_cases(self):
"""Test edge cases."""
assert ensure_extension("", ".md") == ""
assert ensure_extension("file", "") == "file"
assert ensure_extension("file.md", "") == "file.md"
class TestGetFileSize:
"""Test cases for the get_file_size function."""
def test_existing_file(self):
"""Test getting size of existing file."""
with tempfile.NamedTemporaryFile(mode='w', delete=False) as f:
f.write("Hello, World!")
temp_path = f.name
try:
size = get_file_size(temp_path)
assert size is not None
assert size > 0
finally:
os.unlink(temp_path)
def test_nonexistent_file(self):
"""Test getting size of non-existent file."""
assert get_file_size("/path/that/does/not/exist") is None
def test_empty_file(self):
"""Test getting size of empty file."""
with tempfile.NamedTemporaryFile(delete=False) as f:
temp_path = f.name
try:
size = get_file_size(temp_path)
assert size == 0
finally:
os.unlink(temp_path)
def test_path_object(self):
"""Test with Path object."""
with tempfile.NamedTemporaryFile(mode='w', delete=False) as f:
f.write("test content")
temp_path = Path(f.name)
try:
size = get_file_size(temp_path)
assert size is not None
assert size > 0
finally:
os.unlink(temp_path)
class TestIsTextFile:
"""Test cases for the is_text_file function."""
def test_text_file(self):
"""Test with actual text file."""
with tempfile.NamedTemporaryFile(mode='w', delete=False, suffix='.txt') as f:
f.write("This is a text file with some content.")
temp_path = f.name
try:
assert is_text_file(temp_path) is True
finally:
os.unlink(temp_path)
def test_binary_file(self):
"""Test with binary file."""
with tempfile.NamedTemporaryFile(mode='wb', delete=False, suffix='.bin') as f:
f.write(b'\x00\x01\x02\x03\x04\x05')
temp_path = f.name
try:
assert is_text_file(temp_path) is False
finally:
os.unlink(temp_path)
def test_empty_file(self):
"""Test with empty file."""
with tempfile.NamedTemporaryFile(delete=False) as f:
temp_path = f.name
try:
assert is_text_file(temp_path) is True # Empty files are considered text
finally:
os.unlink(temp_path)
def test_unicode_file(self):
"""Test with Unicode text file."""
with tempfile.NamedTemporaryFile(mode='w', delete=False, encoding='utf-8') as f:
f.write("Hello 世界! This is UTF-8 text.")
temp_path = f.name
try:
assert is_text_file(temp_path) is True
finally:
os.unlink(temp_path)
def test_nonexistent_file(self):
"""Test with non-existent file."""
assert is_text_file("/path/that/does/not/exist") is False
class TestNormalizePath:
"""Test cases for the normalize_path function."""
def test_relative_path(self):
"""Test normalizing relative paths."""
# Note: These tests are environment-dependent
result = normalize_path("./test")
assert os.path.isabs(result)
assert result.endswith("test")
def test_path_with_dots(self):
"""Test path with dot components."""
result = normalize_path("./dir/../file.txt")
assert os.path.isabs(result)
assert result.endswith("file.txt")
def test_already_absolute(self):
"""Test already absolute path."""
abs_path = "/tmp/test/file.txt"
result = normalize_path(abs_path)
assert result == abs_path
def test_path_object(self):
"""Test with Path object."""
path_obj = Path("./test/file.txt")
result = normalize_path(path_obj)
assert os.path.isabs(result)
assert isinstance(result, str)
def test_edge_cases(self):
"""Test edge cases."""
assert normalize_path("") == ""
# Current directory should normalize to absolute path
result = normalize_path(".")
assert os.path.isabs(result)

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"""
Integration tests for markitect-utils capability.
Tests the overall functionality and integration of the utility modules.
"""
import tempfile
import os
from pathlib import Path
import pytest
from markitect_utils import (
slugify, safe_filename, is_valid_email, validate_required_fields,
truncate, normalize_path
)
class TestUtilityIntegration:
"""Test integration between different utility functions."""
def test_filename_processing_workflow(self):
"""Test a complete filename processing workflow."""
# Start with user input
user_title = "My Great Article: A Case Study!"
user_email = "author@example.com"
# Validate email
assert is_valid_email(user_email) is True
# Create a slug for URL
slug = slugify(user_title)
assert slug == "my-great-article-a-case-study"
# Create a safe filename
filename = safe_filename(f"{slug}.md")
assert filename == "my-great-article-a-case-study.md"
# Truncate if too long
if len(filename) > 30:
filename = truncate(filename, 30, "….md")
assert len(filename) <= 30
assert filename.endswith(".md") or filename.endswith("….md")
def test_content_validation_workflow(self):
"""Test a content validation workflow."""
# Simulate form data
form_data = {
"title": "My Article",
"content": "This is the content of my article.",
"author_email": "author@example.com",
"category": "", # Empty field
"tags": "python,utils,testing"
}
required_fields = ["title", "content", "author_email", "category"]
# Validate required fields
validation_result = validate_required_fields(form_data, required_fields)
assert validation_result["missing"] == []
assert validation_result["empty"] == ["category"]
# Validate email format
if form_data.get("author_email"):
assert is_valid_email(form_data["author_email"]) is True
# Process tags
if form_data.get("tags"):
tag_list = [slugify(tag.strip()) for tag in form_data["tags"].split(",")]
assert tag_list == ["python", "utils", "testing"]
def test_file_operations_workflow(self):
"""Test a file operations workflow."""
# Create temporary directory for testing
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
# Create some test files
test_content = "This is test content for the file."
# Process filename through multiple utilities
original_name = "Test File: With Special/Characters!"
safe_name = safe_filename(original_name)
slug_name = slugify(safe_name.rsplit('.', 1)[0]) + '.txt'
# Write file
file_path = temp_path / slug_name
file_path.write_text(test_content)
# Verify file exists and get normalized path
normalized_path = normalize_path(file_path)
assert Path(normalized_path).exists()
# Verify content length matches expectations
content_length = len(test_content)
assert content_length > 0
def test_data_processing_pipeline(self):
"""Test a complete data processing pipeline."""
# Raw data from external source
raw_data = [
{
"userName": "JohnDoe123",
"emailAddress": "john.doe@example.com",
"websiteURL": "https://johndoe.example.com",
"projectVersion": "1.2.0",
"description": "This is a very long description that might need to be truncated for display purposes in certain UI components."
},
{
"userName": "Jane_Smith",
"emailAddress": "invalid-email",
"websiteURL": "not-a-url",
"projectVersion": "invalid-version",
"description": "Short desc"
}
]
processed_data = []
for item in raw_data:
# Convert camelCase to snake_case (would need the function imported)
# For now, just demonstrate with available functions
processed_item = {
"slug": slugify(item["userName"]),
"email_valid": is_valid_email(item["emailAddress"]),
"short_desc": truncate(item["description"], 50),
"safe_filename": safe_filename(f"{item['userName']}_profile.json")
}
processed_data.append(processed_item)
# Verify processing results
assert processed_data[0]["slug"] == "johndoe123"
assert processed_data[0]["email_valid"] is True
assert len(processed_data[0]["short_desc"]) <= 50
assert processed_data[0]["safe_filename"] == "JohnDoe123_profile.json"
assert processed_data[1]["slug"] == "jane-smith"
assert processed_data[1]["email_valid"] is False
assert processed_data[1]["short_desc"] == "Short desc"
assert processed_data[1]["safe_filename"] == "Jane_Smith_profile.json"
def test_configuration_validation(self):
"""Test configuration validation using multiple utilities."""
# Simulate application configuration
config = {
"app_name": "My Application",
"version": "1.0.0",
"admin_email": "admin@myapp.com",
"base_url": "https://myapp.example.com",
"debug": True,
"secret_key": "", # Empty - should be flagged
}
required_fields = ["app_name", "version", "admin_email", "base_url", "secret_key"]
# Validate required fields
validation_result = validate_required_fields(config, required_fields)
assert validation_result["empty"] == ["secret_key"]
# Validate specific formats
email_valid = is_valid_email(config["admin_email"])
assert email_valid is True
# Create safe directory name from app name
app_slug = slugify(config["app_name"])
safe_dir_name = safe_filename(app_slug)
assert app_slug == "my-application"
assert safe_dir_name == "my-application"
# Validate version format would use is_valid_semver
# (assuming we had imported it in the integration test)

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"""
Test suite for string utility functions.
"""
import pytest
from markitect_utils.string_utils import (
slugify,
truncate,
camel_to_snake,
snake_to_camel,
strip_ansi_codes,
)
class TestSlugify:
"""Test cases for the slugify function."""
def test_basic_slugify(self):
"""Test basic string to slug conversion."""
assert slugify("Hello World") == "hello-world"
assert slugify("My Great Article") == "my-great-article"
def test_special_characters(self):
"""Test handling of special characters."""
assert slugify("Hello World!") == "hello-world"
assert slugify("Test@#$%^&*()_+") == "test" # underscore gets converted to separator
assert slugify("Multiple---Dashes") == "multiple-dashes"
def test_custom_separator(self):
"""Test custom separator."""
assert slugify("Hello World", "_") == "hello_world"
assert slugify("My Great Article", ".") == "my.great.article"
def test_edge_cases(self):
"""Test edge cases."""
assert slugify("") == ""
assert slugify(" ") == ""
assert slugify("---") == ""
assert slugify("Single") == "single"
def test_unicode_handling(self):
"""Test unicode character handling."""
assert slugify("Café") == "cafe"
assert slugify("naïve résumé") == "naive-resume"
class TestTruncate:
"""Test cases for the truncate function."""
def test_basic_truncation(self):
"""Test basic string truncation."""
text = "This is a long string that needs truncation"
assert truncate(text, 20) == "This is a long st..."
assert truncate(text, 10) == "This is..."
def test_no_truncation_needed(self):
"""Test when no truncation is needed."""
assert truncate("Short", 10) == "Short"
assert truncate("Exact", 5) == "Exact"
def test_custom_suffix(self):
"""Test custom suffix."""
text = "Long text here"
assert truncate(text, 10, "…") == "Long text…"
assert truncate(text, 10, " [more]") == "Lon [more]"
def test_edge_cases(self):
"""Test edge cases."""
assert truncate("", 10) == ""
assert truncate("Test", 3) == "..."
assert truncate("Test", 2) == ".."
assert truncate("Test", 1) == "."
assert truncate("Test", 0) == ""
class TestCamelToSnake:
"""Test cases for the camel_to_snake function."""
def test_basic_conversion(self):
"""Test basic camelCase to snake_case conversion."""
assert camel_to_snake("camelCase") == "camel_case"
assert camel_to_snake("PascalCase") == "pascal_case"
assert camel_to_snake("simpleWord") == "simple_word"
def test_multiple_words(self):
"""Test conversion with multiple words."""
assert camel_to_snake("thisIsALongVariableName") == "this_is_a_long_variable_name"
assert camel_to_snake("XMLHttpRequest") == "xml_http_request"
assert camel_to_snake("JSONData") == "json_data"
def test_edge_cases(self):
"""Test edge cases."""
assert camel_to_snake("") == ""
assert camel_to_snake("single") == "single"
assert camel_to_snake("ALLCAPS") == "allcaps"
assert camel_to_snake("A") == "a"
class TestSnakeToCamel:
"""Test cases for the snake_to_camel function."""
def test_basic_conversion(self):
"""Test basic snake_case to camelCase conversion."""
assert snake_to_camel("snake_case") == "snakeCase"
assert snake_to_camel("simple_word") == "simpleWord"
assert snake_to_camel("single") == "single"
def test_pascal_case(self):
"""Test conversion to PascalCase."""
assert snake_to_camel("snake_case", pascal_case=True) == "SnakeCase"
assert snake_to_camel("simple_word", pascal_case=True) == "SimpleWord"
assert snake_to_camel("single", pascal_case=True) == "Single"
def test_multiple_underscores(self):
"""Test handling of multiple underscores."""
assert snake_to_camel("this_is_a_long_name") == "thisIsALongName"
assert snake_to_camel("this_is_a_long_name", pascal_case=True) == "ThisIsALongName"
def test_edge_cases(self):
"""Test edge cases."""
assert snake_to_camel("") == ""
assert snake_to_camel("_") == ""
assert snake_to_camel("__") == ""
assert snake_to_camel("single") == "single"
class TestStripAnsiCodes:
"""Test cases for the strip_ansi_codes function."""
def test_basic_ansi_removal(self):
"""Test basic ANSI code removal."""
assert strip_ansi_codes("\033[31mRed text\033[0m") == "Red text"
assert strip_ansi_codes("\033[32mGreen\033[0m text") == "Green text"
def test_complex_ansi_codes(self):
"""Test complex ANSI escape sequences."""
text_with_ansi = "\033[1;31;40mBold red on black\033[0m"
assert strip_ansi_codes(text_with_ansi) == "Bold red on black"
def test_no_ansi_codes(self):
"""Test text without ANSI codes."""
plain_text = "Just plain text"
assert strip_ansi_codes(plain_text) == plain_text
def test_edge_cases(self):
"""Test edge cases."""
assert strip_ansi_codes("") == ""
assert strip_ansi_codes("\033[0m") == ""
assert strip_ansi_codes("Start\033[31mMiddle\033[0mEnd") == "StartMiddleEnd"

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"""
Test suite for validation utility functions.
"""
import pytest
from markitect_utils.validation_utils import (
is_valid_email,
is_valid_url,
is_valid_semver,
validate_required_fields,
)
class TestIsValidEmail:
"""Test cases for the is_valid_email function."""
def test_valid_emails(self):
"""Test valid email addresses."""
valid_emails = [
"user@example.com",
"test.email@domain.co.uk",
"user+tag@example.org",
"user123@test-domain.com",
"a@b.co",
]
for email in valid_emails:
assert is_valid_email(email) is True, f"Failed for: {email}"
def test_invalid_emails(self):
"""Test invalid email addresses."""
invalid_emails = [
"invalid.email",
"@example.com",
"user@",
"user@.com",
"user space@example.com",
"user@domain",
"user@@example.com",
"",
]
for email in invalid_emails:
assert is_valid_email(email) is False, f"Should be invalid: {email}"
def test_edge_cases(self):
"""Test edge cases."""
assert is_valid_email(None) is False
assert is_valid_email(123) is False
assert is_valid_email([]) is False
class TestIsValidUrl:
"""Test cases for the is_valid_url function."""
def test_valid_urls(self):
"""Test valid URLs."""
valid_urls = [
"https://example.com",
"http://test.org",
"https://sub.domain.com/path",
"http://localhost:8000",
"https://example.com/path?query=value",
"http://192.168.1.1:3000",
]
for url in valid_urls:
assert is_valid_url(url) is True, f"Failed for: {url}"
def test_invalid_urls(self):
"""Test invalid URLs."""
invalid_urls = [
"not-a-url",
"ftp://example.com",
"example.com",
"://example.com",
"https://",
"http://.com",
"",
]
for url in invalid_urls:
assert is_valid_url(url) is False, f"Should be invalid: {url}"
def test_edge_cases(self):
"""Test edge cases."""
assert is_valid_url(None) is False
assert is_valid_url(123) is False
assert is_valid_url([]) is False
class TestIsValidSemver:
"""Test cases for the is_valid_semver function."""
def test_valid_versions(self):
"""Test valid semantic versions."""
valid_versions = [
"1.0.0",
"0.1.0",
"10.20.30",
"1.0.0-alpha",
"1.0.0-alpha.1",
"1.0.0-0.3.7",
"1.0.0-x.7.z.92",
"1.0.0+20130313144700",
"1.0.0-beta+exp.sha.5114f85",
]
for version in valid_versions:
assert is_valid_semver(version) is True, f"Failed for: {version}"
def test_invalid_versions(self):
"""Test invalid semantic versions."""
invalid_versions = [
"1.0",
"1.0.0-",
"1.0.0+",
"01.0.0",
"1.01.0",
"1.0.01",
"1.0.0-",
"1.0.0+",
"v1.0.0",
"",
]
for version in invalid_versions:
assert is_valid_semver(version) is False, f"Should be invalid: {version}"
def test_edge_cases(self):
"""Test edge cases."""
assert is_valid_semver(None) is False
assert is_valid_semver(123) is False
assert is_valid_semver([]) is False
class TestValidateRequiredFields:
"""Test cases for the validate_required_fields function."""
def test_all_fields_present(self):
"""Test when all required fields are present and valid."""
data = {
"name": "John Doe",
"email": "john@example.com",
"age": 30
}
required = ["name", "email", "age"]
result = validate_required_fields(data, required)
assert result == {"missing": [], "empty": []}
def test_missing_fields(self):
"""Test when some fields are missing."""
data = {
"name": "John Doe",
"email": "john@example.com"
}
required = ["name", "email", "age", "phone"]
result = validate_required_fields(data, required)
assert set(result["missing"]) == {"age", "phone"}
assert result["empty"] == []
def test_empty_fields(self):
"""Test when some fields are empty."""
data = {
"name": "John Doe",
"email": "",
"age": 30,
"phone": " " # whitespace only
}
required = ["name", "email", "age", "phone"]
result = validate_required_fields(data, required)
assert result["missing"] == []
assert set(result["empty"]) == {"email", "phone"}
def test_mixed_issues(self):
"""Test when there are both missing and empty fields."""
data = {
"name": "John Doe",
"email": "",
}
required = ["name", "email", "age", "phone"]
result = validate_required_fields(data, required)
assert set(result["missing"]) == {"age", "phone"}
assert result["empty"] == ["email"]
def test_non_string_values(self):
"""Test with non-string values."""
data = {
"name": "John Doe",
"age": 0, # Zero should not be considered empty
"active": False, # False should not be considered empty
"score": None, # None should be considered empty
"items": [], # Empty list should be considered empty
}
required = ["name", "age", "active", "score", "items"]
result = validate_required_fields(data, required)
assert result["missing"] == []
assert set(result["empty"]) == {"score", "items"}
def test_edge_cases(self):
"""Test edge cases."""
# Invalid inputs
result = validate_required_fields("not a dict", ["field"])
assert result == {"missing": [], "empty": []}
result = validate_required_fields({}, "not a list")
assert result == {"missing": [], "empty": []}
# Empty data and requirements
result = validate_required_fields({}, [])
assert result == {"missing": [], "empty": []}
# Empty requirements
data = {"name": "John"}
result = validate_required_fields(data, [])
assert result == {"missing": [], "empty": []}