fix(pagination): Fixed socket gevent (#95)

app.py

@@ -1,6 +1,6 @@
 # This need to be first
-import eventlet
-eventlet.monkey_patch()
+import gevent.monkey
+gevent.monkey.patch_all()
 
 import logging  # noqa: E402
 

bricktracker/socket.py

@@ -6,6 +6,8 @@ from flask_socketio import SocketIO
 
 from .instructions import BrickInstructions
 from .instructions_list import BrickInstructionsList
+from .peeron_instructions import PeeronPage
+from .peeron_pdf import PeeronPDF
 from .set import BrickSet
 from .socket_decorator import authenticated_socket, rebrickable_socket
 from .sql import close as sql_close
@@ -18,6 +20,7 @@ MESSAGES: Final[dict[str, str]] = {
     'CONNECT': 'connect',
     'DISCONNECT': 'disconnect',
     'DOWNLOAD_INSTRUCTIONS': 'download_instructions',
+    'DOWNLOAD_PEERON_PAGES': 'download_peeron_pages',
     'FAIL': 'fail',
     'IMPORT_SET': 'import_set',
     'LOAD_SET': 'load_set',
@@ -70,7 +73,7 @@ class BrickSocket(object):
             *args,
             **kwargs,
             path=app.config['SOCKET_PATH'],
-            async_mode='eventlet',
+            async_mode='gevent',
         )
 
         # Store the socket in the app config
@@ -106,6 +109,56 @@ class BrickSocket(object):
 
             BrickInstructionsList(force=True)
 
+        @self.socket.on(MESSAGES['DOWNLOAD_PEERON_PAGES'], namespace=self.namespace)  # noqa: E501
+        @authenticated_socket(self)
+        def download_peeron_pages(data: dict[str, Any], /) -> None:
+            logger.debug('Socket: DOWNLOAD_PEERON_PAGES={data} (from: {fr})'.format(
+                data=data,
+                fr=request.sid,  # type: ignore
+            ))
+
+            try:
+                # Extract data from the request
+                set_number = data.get('set', '')
+                pages_data = data.get('pages', [])
+
+                if not set_number:
+                    raise ValueError("Set number is required")
+
+                if not pages_data:
+                    raise ValueError("No pages selected")
+
+                # Parse set number
+                if '-' in set_number:
+                    parts = set_number.split('-', 1)
+                    set_num = parts[0]
+                    version_num = parts[1] if len(parts) > 1 else '1'
+                else:
+                    set_num = set_number
+                    version_num = '1'
+
+                # Convert page data to PeeronPage objects
+                pages = []
+                for page_data in pages_data:
+                    page = PeeronPage(
+                        page_number=page_data.get('page_number', ''),
+                        thumbnail_url=page_data.get('thumbnail_url', ''),
+                        image_url=page_data.get('image_url', ''),
+                        alt_text=page_data.get('alt_text', '')
+                    )
+                    pages.append(page)
+
+                # Create PDF generator and start download
+                pdf_generator = PeeronPDF(set_num, version_num, pages, socket=self)
+                pdf_generator.create_pdf()
+
+                # Refresh instructions list to include new PDF
+                BrickInstructionsList(force=True)
+
+            except Exception as e:
+                logger.error(f"Error in download_peeron_pages: {e}")
+                self.fail(message=f"Error downloading Peeron pages: {e}")
+
         @self.socket.on(MESSAGES['IMPORT_SET'], namespace=self.namespace)
         @rebrickable_socket(self)
         def import_set(data: dict[str, Any], /) -> None:

wsgi.py

@@ -1,38 +1,18 @@
 #!/usr/bin/env python3
 """
 WSGI entry point for BrickTracker - Production Docker deployment
-This ensures proper gevent monkey patching for gunicorn
+This ensures proper gevent monkey patching before any imports
 """
 
-# CRITICAL: This must be the very first import
+# CRITICAL: Monkey patch must be first, before ANY other imports
 import gevent.monkey
 gevent.monkey.patch_all()
 
-import logging
-import sys
-import os
+# Now import the regular app factory
+from app import create_app
 
-# Add the current directory to Python path
-sys.path.insert(0, os.path.dirname(__file__))
+# Create the application - this will be a BrickSocket instance
+app_instance = create_app()
 
-# Import Flask and BrickTracker modules directly
-from flask import Flask
-from bricktracker.app import setup_app
-from bricktracker.socket import BrickSocket
-
-logger = logging.getLogger(__name__)
-
-# Create the Flask app directly (bypassing app.py to avoid double monkey patching)
-app = Flask(__name__)
-
-# Setup the app
-setup_app(app)
-
-# Create the socket
-socket_instance = BrickSocket(
-    app,
-    threaded=not app.config['NO_THREADED_SOCKET'],
-)
-
-# Export the Flask app for gunicorn
-application = app
+# For gunicorn, we need the Flask app, not the BrickSocket wrapper
+application = app_instance.app if hasattr(app_instance, 'app') else app_instance