refactoring pass one

src/__init__.py

@@ -25,6 +25,7 @@ try:
     from .image_downloader import ImageDownloader
     from .snapshot_downloader import SnapshotDownloader
     from .webserver import SnapshotsWebServer
+    from .utils import sanitize_filename, get_extension_from_mime
 
     __all__ = [
         "AssetTracker",
@@ -34,6 +35,8 @@ try:
         "ImageDownloader",
         "SnapshotDownloader",
         "SnapshotsWebServer",
+        "sanitize_filename",
+        "get_extension_from_mime",
     ]
 
 except ImportError as e:

src/asset_tracker.py

@@ -11,7 +11,7 @@ import logging
 import os
 from datetime import datetime
 from pathlib import Path
-from typing import Dict, List, Set, Any, Optional
+from typing import Dict, List, Any
 import hashlib
 
 

src/config_downloader.py

@@ -22,7 +22,7 @@ from typing import List, Dict, Any, Optional
 import time
 from tqdm import tqdm
 
-# Import the auth manager and asset tracker
+# Import the auth manager, asset tracker, and utilities
 try:
     from src.auth_manager import AuthManager
 except ImportError:
@@ -33,6 +33,24 @@ try:
 except ImportError:
     AssetTracker = None
 
+try:
+    from src.utils import sanitize_filename, get_extension_from_mime
+except ImportError:
+    # Fallback implementations if utils not available
+    def sanitize_filename(filename: str) -> str:
+        invalid_chars = '<>:"/\\|?*'
+        for char in invalid_chars:
+            filename = filename.replace(char, "_")
+        filename = filename.strip(". ")
+        return filename if filename else "file"
+
+    def get_extension_from_mime(mime_type: str) -> str:
+        mime_to_ext = {
+            "image/jpeg": ".jpg", "image/jpg": ".jpg", "image/png": ".png",
+            "image/gif": ".gif", "image/webp": ".webp",
+        }
+        return mime_to_ext.get(mime_type.lower(), ".jpg")
+
 
 class ConfigImageDownloader:
     def __init__(self, config_file: str):
@@ -233,15 +251,15 @@ class ConfigImageDownloader:
             # If no extension, try to get it from content-type or add default
             if "." not in filename:
                 if "mimeType" in asset:
-                    ext = self._get_extension_from_mime(asset["mimeType"])
+                    ext = get_extension_from_mime(asset["mimeType"])
                 elif "content_type" in asset:
-                    ext = self._get_extension_from_mime(asset["content_type"])
+                    ext = get_extension_from_mime(asset["content_type"])
                 else:
                     ext = ".jpg"  # Default extension
                 filename += ext
 
         # Sanitize filename
-        filename = self._sanitize_filename(filename)
+        filename = sanitize_filename(filename)
 
         # Ensure unique filename
         counter = 1
@@ -253,35 +271,6 @@ class ConfigImageDownloader:
 
         return filename
 
-    def _get_extension_from_mime(self, mime_type: str) -> str:
-        """Get file extension from MIME type."""
-        mime_to_ext = {
-            "image/jpeg": ".jpg",
-            "image/jpg": ".jpg",
-            "image/png": ".png",
-            "image/gif": ".gif",
-            "image/webp": ".webp",
-            "image/bmp": ".bmp",
-            "image/tiff": ".tiff",
-            "image/svg+xml": ".svg",
-        }
-        return mime_to_ext.get(mime_type.lower(), ".jpg")
-
-    def _sanitize_filename(self, filename: str) -> str:
-        """Sanitize filename by removing invalid characters."""
-        # Remove or replace invalid characters
-        invalid_chars = '<>:"/\\|?*'
-        for char in invalid_chars:
-            filename = filename.replace(char, "_")
-
-        # Remove leading/trailing spaces and dots
-        filename = filename.strip(". ")
-
-        # Ensure filename is not empty
-        if not filename:
-            filename = "image"
-
-        return filename
 
     async def download_asset(
         self,

src/config_snapshot_downloader.py

@@ -10,7 +10,6 @@ import argparse
 import asyncio
 import json
 import logging
-import os
 from datetime import datetime, timedelta
 from pathlib import Path
 

src/image_downloader.py

@@ -23,7 +23,7 @@ import aiofiles
 import aiohttp
 from tqdm import tqdm
 
-# Import the auth manager and asset tracker
+# Import the auth manager, asset tracker, and utilities
 try:
     from src.auth_manager import AuthManager
 except ImportError:
@@ -34,6 +34,24 @@ try:
 except ImportError:
     AssetTracker = None
 
+try:
+    from src.utils import sanitize_filename, get_extension_from_mime
+except ImportError:
+    # Fallback implementations if utils not available
+    def sanitize_filename(filename: str) -> str:
+        invalid_chars = '<>:"/\\|?*'
+        for char in invalid_chars:
+            filename = filename.replace(char, "_")
+        filename = filename.strip(". ")
+        return filename if filename else "file"
+
+    def get_extension_from_mime(mime_type: str) -> str:
+        mime_to_ext = {
+            "image/jpeg": ".jpg", "image/jpg": ".jpg", "image/png": ".png",
+            "image/gif": ".gif", "image/webp": ".webp",
+        }
+        return mime_to_ext.get(mime_type.lower(), ".jpg")
+
 
 class ImageDownloader:
     def __init__(
@@ -241,15 +259,15 @@ class ImageDownloader:
             # If no extension, try to get it from content-type or add default
             if "." not in filename:
                 if "mimeType" in asset:
-                    ext = self._get_extension_from_mime(asset["mimeType"])
+                    ext = get_extension_from_mime(asset["mimeType"])
                 elif "content_type" in asset:
-                    ext = self._get_extension_from_mime(asset["content_type"])
+                    ext = get_extension_from_mime(asset["content_type"])
                 else:
                     ext = ".jpg"  # Default extension
                 filename += ext
 
         # Sanitize filename
-        filename = self._sanitize_filename(filename)
+        filename = sanitize_filename(filename)
 
         # Ensure unique filename
         counter = 1
@@ -261,35 +279,6 @@ class ImageDownloader:
 
         return filename
 
-    def _get_extension_from_mime(self, mime_type: str) -> str:
-        """Get file extension from MIME type."""
-        mime_to_ext = {
-            "image/jpeg": ".jpg",
-            "image/jpg": ".jpg",
-            "image/png": ".png",
-            "image/gif": ".gif",
-            "image/webp": ".webp",
-            "image/bmp": ".bmp",
-            "image/tiff": ".tiff",
-            "image/svg+xml": ".svg",
-        }
-        return mime_to_ext.get(mime_type.lower(), ".jpg")
-
-    def _sanitize_filename(self, filename: str) -> str:
-        """Sanitize filename by removing invalid characters."""
-        # Remove or replace invalid characters
-        invalid_chars = '<>:"/\\|?*'
-        for char in invalid_chars:
-            filename = filename.replace(char, "_")
-
-        # Remove leading/trailing spaces and dots
-        filename = filename.strip(". ")
-
-        # Ensure filename is not empty
-        if not filename:
-            filename = "image"
-
-        return filename
 
     async def download_asset(
         self,

src/snapshot_downloader.py

@@ -19,12 +19,23 @@ from urllib.parse import urlencode
 import aiofiles
 import aiohttp
 
-# Import the auth manager
+# Import the auth manager and utilities
 try:
     from src.auth_manager import AuthManager
 except ImportError:
     AuthManager = None
 
+try:
+    from src.utils import sanitize_filename
+except ImportError:
+    # Fallback implementation if utils not available
+    def sanitize_filename(filename: str) -> str:
+        invalid_chars = '<>:"/\\|?*'
+        for char in invalid_chars:
+            filename = filename.replace(char, "_")
+        filename = filename.strip(". ")
+        return filename if filename else "file"
+
 
 class SnapshotDownloader:
     def __init__(
@@ -509,7 +520,7 @@ class SnapshotDownloader:
 
         filename = media.get("fileName", f"media_{media_id}")
         # Sanitize filename
-        filename = self._sanitize_filename(filename)
+        filename = sanitize_filename(filename)
 
         # Check if file already exists
         filepath = self.assets_dir / filename
@@ -543,21 +554,6 @@ class SnapshotDownloader:
             self.logger.error(f"Failed to download media {filename}: {e}")
             return None
 
-    def _sanitize_filename(self, filename: str) -> str:
-        """Sanitize filename by removing invalid characters."""
-        # Remove or replace invalid characters
-        invalid_chars = '<>:"/\\|?*'
-        for char in invalid_chars:
-            filename = filename.replace(char, "_")
-
-        # Remove leading/trailing spaces and dots
-        filename = filename.strip(". ")
-
-        # Ensure filename is not empty
-        if not filename:
-            filename = "media_file"
-
-        return filename
 
     async def generate_html_file(
         self, snapshots: List[Dict[str, Any]], date_from: str, date_to: str

src/utils.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+"""
+Utility functions for ParentZone Downloader
+
+This module contains shared utility functions used across multiple modules.
+"""
+
+
+def sanitize_filename(filename: str) -> str:
+    """
+    Sanitize filename by removing invalid characters.
+
+    Args:
+        filename: The filename to sanitize
+
+    Returns:
+        Sanitized filename safe for filesystem use
+    """
+    # Remove or replace invalid characters
+    invalid_chars = '<>:"/\\|?*'
+    for char in invalid_chars:
+        filename = filename.replace(char, "_")
+
+    # Remove leading/trailing spaces and dots
+    filename = filename.strip(". ")
+
+    # Ensure filename is not empty
+    if not filename:
+        filename = "file"
+
+    return filename
+
+
+def get_extension_from_mime(mime_type: str) -> str:
+    """
+    Get file extension from MIME type.
+
+    Args:
+        mime_type: The MIME type string (e.g., 'image/jpeg')
+
+    Returns:
+        File extension including the dot (e.g., '.jpg')
+    """
+    mime_to_ext = {
+        "image/jpeg": ".jpg",
+        "image/jpg": ".jpg",
+        "image/png": ".png",
+        "image/gif": ".gif",
+        "image/webp": ".webp",
+        "image/bmp": ".bmp",
+        "image/tiff": ".tiff",
+        "image/svg+xml": ".svg",
+    }
+    return mime_to_ext.get(mime_type.lower(), ".jpg")
+

src/webserver.py

@@ -14,9 +14,7 @@ from pathlib import Path
 from urllib.parse import unquote
 from datetime import datetime
 
-import aiohttp
+from aiohttp import web
-from aiohttp import web, hdrs
-from aiohttp.web_response import Response
 
 
 class SnapshotsWebServer: