+ support unix:/socket to gunicorn

py4web/core.py

@@ -2048,7 +2048,7 @@ def run(**kwargs):
                 'You have not set a dashboard password. Run "%s set_password" to do so.'
                 % PY4WEB_CMD
             )
-        elif "_dashboard" in Reloader.ROUTES:
+        elif "_dashboard" in Reloader.ROUTES and (not kwargs['host'].startswith('unix:/')) :
             click.echo(
                 f"Dashboard is at: http{'s' if kwargs.get('ssl_cert', None) else ''}://{kwargs['host']}:{kwargs['port']}/_dashboard"
             )

py4web/gunicorn.rst

@@ -9,6 +9,8 @@ The gunicorn server starts in the usual way for the py4web
 
    $./py4web.py run apps -s gunicorn --watch=off
    $
+   $./py4web.py run apps -H 'unix:/tmp/p4w.sock' -w 4 -L 10
+   $
    $./py4web.py run apps -s gunicornGevent --watch=off
 
 
@@ -19,11 +21,11 @@ It is possible to use several methods to configure gunicorn options with py4web
 Let's show examples (go to py4web root dir)
 
 
-* set gunicorn options via py4web.py cmd-keys
+* set gunicorn options via py4web keys
 
- use: -H, -P, -w, -L, --ssl_cert, --ssl_key, -Q
+ use: -H, -P, -w, -L, --ssl_cert, --ssl_key , -Q
 
- ./py4web.py run apps -s gunicorn --watch=off -w 4 -H 192.168.1.161 -P 9000 -L 20 --ssl_cert=cert.pem --ssl_key=key.pem
+ ./py4web.py run apps -s gunicorn --watch=off -H 192.168.1.161 -P 9000 -L 20 --ssl_cert=cert.pem --ssl_key=key.pem
 
  with -L 10 we can see gunicorn options in server-py4web.log
 
@@ -83,8 +85,6 @@ Let's show examples (go to py4web root dir)
 
    # for use python-config-mod_name
    # use_python_config=python:mod_name
-   # or short 
-   # usepy=python:mod_name
 
 
 * set gunicorn options via python file myguni.conf.py
@@ -96,10 +96,10 @@ Let's show examples (go to py4web root dir)
  .. code:: bash
 
    $ # via env
-   $export GUNICORN_use_python_config=myguni.conf.py
+   $export GUNCORN_use_python_config=myguni.conf.py
    $ 
    $ # via gunicorn.saenv 
-   $echo use_python_config=myguni.conf.py >> gunicorn.saenv
+   $echo use_python_config=mmyguni.conf.py >> gunicorn.saenv
 
  ::
 
@@ -136,7 +136,7 @@ Let's show examples (go to py4web root dir)
   $  mkdir mod_name && cp myguni.conf.py mod_name/__init__.py
   $
   $ # via env
-  $export GUNICORN_use_python_config=python:mod_name
+  $export GUNCORN_use_python_config=python:mod_name
   $
   $ # via gunicorn.saenv
   $echo use_python_config=python:mod_name >> gunicorn.saenv
@@ -193,14 +193,14 @@ Let's show examples (go to py4web root dir)
  .. code:: bash
 
    export PY4WEB_LOGS=/tmp
-   p4w_todo_get() { time seq 1 500 | xargs -I % curl http://localhost:8000/todo &>/dev/null ;}
-   todotest() { for ((i=0; i < $1; i++)); do p4w_todo_get  & done  ;}
+   p4w_srv_test() { time seq 1 500 | xargs -I % curl http://localhost:8000/todo &>/dev/null ;}
+   gunitest() { for ((i=0; i < 20; i++)); do p4w_srv_test  & done  ;}
 
  ::
 
    $ ./py4web.py run apps -s gunicorn -L 10 --watch=off &
 
-   $ todotest 10
+   $ tguni
    $
    $ less /tmp/server-py4web.log
 

py4web/server_adapters.py

@@ -125,24 +125,37 @@ def get_workers(opts, default=10):
 def check_port(host="127.0.0.1", port=8000):
     import socket, errno, subprocess
 
+    def os_cmd (run_cmd ):
+        try:
+           subprocess.run( run_cmd , shell=True, check = True, text=True, )
+        except subprocess.CalledProcessError :
+           pass
+
+    if host.startswith('unix:/'):
+        socket_path = host[5:]
+        if os.path.exists(socket_path):
+            if port == 0:
+                os_cmd (f"ls -alFi {socket_path}")
+                sys.exit(f"can't run gunicorn: {socket_path} exists")
+            elif port == 1:
+                os_cmd ("ps -ef | head -1; ps -ef | grep py4web | grep -v grep")
+                os_cmd (f"ls -alFi {socket_path}")
+                os_cmd (f"lsof -w {socket_path}")
+            elif port == 8000:
+                pass
+        print (f'gunicorn listening at: {host}')
+        return
+
     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     try:
-        s.bind((host, int(port)))
+        s.bind((host, int(port) ))
     except socket.error as e:
         if e.errno == errno.EADDRINUSE:
-            try:
-                subprocess.run(
-                    f"command -v lsof >/dev/null 2>&1  && lsof -nPi:{port}",
-                    shell=True,
-                    check=True,
-                    text=True,
-                )
-            except subprocess.CalledProcessError:
-                pass
+            os_cmd( f"command -v lsof >/dev/null 2>&1 && ps -ef | head -1; ps -ef |"
+                    f" grep py4web | grep -v grep && lsof -nPi:{port}" )
             sys.exit(f"{host}:{port} is already in use")
         else:
             sys.exit(f"{e}\n{host}:{port} cannot be acessed")
-
     s.close()
 
 
@@ -168,8 +181,10 @@ def run(self, app_handler):
 
             logger = None
 
+            sa_bind = self.host if self.host.startswith('unix:/') else f"{self.host}:{self.port}"
+
             sa_config = {
-                "bind": f"{self.host}:{self.port}",
+                "bind": sa_bind, # f"{self.host}:{self.port}",
                 "workers": get_workers(self.options),
                 "certfile": self.options.get("certfile", None),
                 "keyfile": self.options.get("keyfile", None),