verion 0.1.8 allow it to be serialzied from other threads

README.rst

@@ -100,6 +100,9 @@ Launch Arguments
                                  [default: lazy]
    --ssl_cert PATH               SSL certificate file for HTTPS
    --ssl_key PATH                SSL key file for HTTPS
+   --errorlog TEXT               Where to send error logs
+                                 (:stdout|:stderr|tickets_only|{filename})
+                                 [default: :stderr]
    -help, -h, --help             Show this message and exit.
 
 

docs/chapter-03.rst

@@ -278,7 +278,6 @@ running it without any argument
 
    # py4web
 
-.. FIXME: next image must be updated
 
 .. image:: images/command.png
    :class: with-shadow
@@ -370,6 +369,9 @@ This currently gives an error on binaries installations and from source installa
 
      --ssl_cert PATH               SSL certificate file for HTTPS
      --ssl_key PATH                SSL key file for HTTPS
+     --errorlog TEXT               Where to send error logs
+                                   (:stdout|:stderr|tickets_only|{filename})
+                                   [default: :stderr]
      -help, -h, --help             Show this message and exit.
 
 

py4web/core.py

@@ -1008,15 +1008,17 @@ def get_error_snapshot(depth=5):
     """Return a dict describing a given traceback (based on cgitb.text)."""
 
     tb = traceback.format_exc()
-    logfile = os.environ.get("PY4WEB_LOGFILE")
-    if logfile:
+    errorlog = os.environ.get("PY4WEB_ERRORLOG")
+    if errorlog:
         msg = f"[{datetime.datetime.now().isoformat()}]: {tb}\n"
-        if logfile == ':stderr':
+        if errorlog == ':stderr':
             sys.stderr.write(msg)
-        elif logfile == ':stdout':
+        elif errorlog == ':stdout':
             sys.stdout.write(msg)
+        elif errorlog == 'tickets_only':
+            pass
         else:            
-            with portalocker.Lock(logfile, "a", timeout=2) as fp:
+            with portalocker.Lock(errorlog, "a", timeout=2) as fp:
                 fp.write(msg)
 
     etype, evalue, etb = sys.exc_info()
@@ -1895,7 +1897,11 @@ def new_app(apps_folder, app_name, yes, scaffold_zip):
     "--ssl_cert", type=click.Path(exists=True), help="SSL certificate file for HTTPS"
 )
 @click.option("--ssl_key", type=click.Path(exists=True), help="SSL key file for HTTPS")
-@click.option("--logfile", default="", help="Where to send error logs (:stdout/:stderr/{filename})")
+@click.option("--errorlog",
+    default=":stderr",
+    help="Where to send error logs (:stdout|:stderr|tickets_only|{filename})",
+    show_default=True,
+)
 def run(**kwargs):
     """Run all the applications on apps_folder"""
     install_args(kwargs)