Path and File Management

class PackagePath(pathlib.PurePosixPath):
    """
    A reference to a path in a package.
    
    Extends pathlib.PurePosixPath to provide package-specific file operations
    with metadata about file hashes and sizes.
    """
    
    hash: FileHash | None  # File hash information (optional)
    size: int              # File size in bytes
    dist: Distribution     # Associated distribution
    
    def read_text(self, encoding: str = 'utf-8') -> str:
        """
        Read the file as text.
        
        Parameters:
        - encoding: Text encoding (default: 'utf-8')
        
        Returns:
        str: File contents as text
        """
    
    def read_binary(self) -> bytes:
        """
        Read the file as binary data.
        
        Returns:
        bytes: File contents as bytes
        """
    
    def locate(self) -> SimplePath:
        """
        Return a path-like object for this path.
        
        Returns:
        SimplePath: A path object that can be used to access the actual file
        """

import importlib_metadata

# Get files for a package
files = importlib_metadata.files('requests')
if files:
    for file_path in files[:5]:  # Show first 5 files
        print(f"File: {file_path}")
        print(f"  Size: {file_path.size} bytes")
        if file_path.hash:
            print(f"  Hash: {file_path.hash.mode}={file_path.hash.value}")
        
        # Read file contents (for text files)
        if file_path.suffix == '.py':
            try:
                content = file_path.read_text()
                print(f"  Content preview: {content[:100]}...")
            except Exception as e:
                print(f"  Could not read: {e}")
        
        # Get actual file location
        actual_path = file_path.locate()
        print(f"  Located at: {actual_path}")

class FileHash:
    """
    File hash information for package files.
    
    Provides hash algorithm and value for file integrity verification.
    """
    
    mode: str   # Hash algorithm (e.g., 'sha256', 'md5')
    value: str  # Hash value as hexadecimal string
    
    def __init__(self, spec: str) -> None:
        """
        Initialize from hash specification string.
        
        Parameters:
        - spec: Hash specification in format 'algorithm=value' (e.g., 'sha256=abc123...')
        """
    
    def __repr__(self) -> str:
        """
        String representation of the file hash.
        
        Returns:
        str: Representation showing hash mode and value
        """

import importlib_metadata

# Find files with hashes
files = importlib_metadata.files('requests')
if files:
    hashed_files = [f for f in files if f.hash]
    print(f"Found {len(hashed_files)} files with hash information")
    
    for file_path in hashed_files[:3]:  # Show first 3
        hash_info = file_path.hash
        print(f"File: {file_path}")
        print(f"  Hash algorithm: {hash_info.mode}")
        print(f"  Hash value: {hash_info.value[:16]}...")  # Show first 16 chars

class SimplePath(Protocol):
    """
    A minimal subset of pathlib.Path required by Distribution.
    
    Defines the interface that path objects must implement to work
    with the importlib_metadata system.
    """
    
    def joinpath(self, other: str | os.PathLike[str]) -> SimplePath:
        """
        Join this path with another path component.
        
        Parameters:
        - other: Path component to join
        
        Returns:
        SimplePath: New path with component joined
        """
    
    def __truediv__(self, other: str | os.PathLike[str]) -> SimplePath:
        """
        Path division operator (/).
        
        Parameters:
        - other: Path component to join
        
        Returns:
        SimplePath: New path with component joined
        """
    
    @property
    def parent(self) -> SimplePath:
        """
        Return the parent directory of this path.
        
        Returns:
        SimplePath: Parent directory path
        """
    
    def read_text(self, encoding=None) -> str:
        """
        Read the file as text.
        
        Parameters:
        - encoding: Text encoding (optional)
        
        Returns:
        str: File contents as text
        """
    
    def read_bytes(self) -> bytes:
        """
        Read the file as binary data.
        
        Returns:
        bytes: File contents as bytes
        """
    
    def exists(self) -> bool:
        """
        Check if the path exists.
        
        Returns:
        bool: True if path exists
        """

import importlib_metadata

# Get all files for a package
files = importlib_metadata.files('requests')
if files:
    print(f"Total files: {len(files)}")
    
    # Filter by file type
    py_files = [f for f in files if f.suffix == '.py']
    print(f"Python files: {len(py_files)}")
    
    # Filter by directory
    lib_files = [f for f in files if 'requests' in f.parts]
    print(f"Files in requests directory: {len(lib_files)}")
    
    # Find specific files
    init_files = [f for f in files if f.name == '__init__.py']
    print(f"__init__.py files: {len(init_files)}")
    
    # Files with specific extensions
    data_files = [f for f in files if f.suffix in ['.txt', '.rst', '.md']]
    print(f"Documentation files: {len(data_files)}")
    
    # Large files
    large_files = [f for f in files if f.size > 10000]  # > 10KB
    print(f"Large files (>10KB): {len(large_files)}")

import importlib_metadata

# Get package files
files = importlib_metadata.files('requests')
if files:
    # Read text files
    for file_path in files:
        if file_path.name == 'MANIFEST.in':
            try:
                content = file_path.read_text()
                print(f"MANIFEST.in content:\n{content}")
                break
            except Exception as e:
                print(f"Could not read MANIFEST.in: {e}")
    
    # Read binary files
    for file_path in files:
        if file_path.suffix == '.whl':  # If any wheel files
            try:
                data = file_path.read_binary()
                print(f"Binary file {file_path.name}: {len(data)} bytes")
                break
            except Exception as e:
                print(f"Could not read binary file: {e}")
    
    # Check file existence
    for file_path in files[:5]:
        actual_path = file_path.locate()
        exists = actual_path.exists()
        print(f"File {file_path.name} exists: {exists}")

import importlib_metadata
from pathlib import Path

# Get distribution and locate files
dist = importlib_metadata.distribution('requests')
files = dist.files
if files:
    # Get actual file system paths
    for file_path in files[:3]:
        actual_path = file_path.locate()
        
        # Convert to pathlib.Path if needed
        if hasattr(actual_path, 'resolve'):
            resolved = actual_path.resolve()
            print(f"File: {file_path}")
            print(f"  Actual path: {resolved}")
            print(f"  Exists: {resolved.exists()}")

import importlib_metadata

files = importlib_metadata.files('requests')
if files:
    file_path = files[0]
    
    # Handle file reading errors
    try:
        content = file_path.read_text()
    except UnicodeDecodeError:
        print("File is not valid text")
        content = file_path.read_binary()
    except FileNotFoundError:
        print("File not found on filesystem")
    except PermissionError:
        print("Permission denied")
    
    # Handle path location errors
    try:
        actual_path = file_path.locate()
    except NotImplementedError:
        print("Distribution doesn't support file location")