Remove the dependency on python packages eventlet and greenlet. #8102

requirements.txt

@@ -12,7 +12,6 @@ Flask==3.0.*
 Flask-Login==0.*
 Flask-Mail==0.*
 Flask-Migrate==4.*
-greenlet==1.1.2;  python_version <= '3.10'
 Flask-SQLAlchemy==3.1.*
 Flask-WTF==1.2.*
 Flask-Compress==1.*
@@ -36,7 +35,6 @@ cryptography==43.0.*
 sshtunnel==0.*
 ldap3==2.*
 gssapi==1.9.*
-eventlet==0.37.0
 user-agents==2.2.0
 pywinpty==2.0.*; sys_platform=="win32"
 Authlib==1.3.*

web/pgAdmin4.py

@@ -35,16 +35,6 @@ if 'PGADMIN_SERVER_MODE' in os.environ:
 else:
     builtins.SERVER_MODE = None
 
-if (3, 10) > sys.version_info > (3, 8, 99) and os.name == 'posix':
-    # Fix eventlet issue with Python 3.9.
-    # Ref: https://github.com/eventlet/eventlet/issues/670
-    # This was causing issue in psycopg3
-    from eventlet import hubs
-    hubs.use_hub("poll")
-
-    import selectors
-    selectors.DefaultSelector = selectors.PollSelector
-
 import config
 import setup
 from pgadmin import create_app, socketio

web/pgadmin/tools/psql/__init__.py

@@ -12,7 +12,7 @@ import select
 import struct
 import config
 import re
-from eventlet.green import subprocess
+import subprocess
 from sys import platform as _platform
 from config import PG_DEFAULT_DRIVER
 from flask import Response, request