Revert "Fix logging (#898)"

This reverts commit ccea413.

py4web/server_adapters.py

@@ -10,8 +10,6 @@
 except ImportError:
     wsservers_list = []
 
-from .utils.logsetting import get_log_file, check_level, logging_conf
-
 __all__ = [
     "gunicorn",
     "gunicornGevent",
@@ -26,6 +24,101 @@
 # ---------------------- utils -----------------------------------------------
 
 
+# export PY4WEB_LOGS=/tmp # export PY4WEB_LOGS=
+def get_log_file(out_banner=True):
+    log_dir = os.environ.get("PY4WEB_LOGS", None)
+    if log_dir and os.path.isdir(log_dir):
+        log_file = os.path.join(log_dir, "server-py4web.log")
+        if out_banner:
+            print(f"log_file: {log_file}")
+        return log_file
+    return None
+
+
+def check_level(level):
+
+    # lib/python3.7/logging/__init__.py
+    # CRITICAL = 50
+    # FATAL = CRITICAL
+    # ERROR = 40
+    # WARNING = 30
+    # WARN = WARNING
+    # INFO = 20
+    # DEBUG = 10
+    # NOTSET = 0
+
+    return (
+        level
+        if level
+        in (
+            logging.CRITICAL,
+            logging.ERROR,
+            logging.WARN,
+            logging.INFO,
+            logging.DEBUG,
+            logging.NOTSET,
+        )
+        else logging.WARN
+    )
+
+
+def logging_conf(level=logging.WARN, logger_name=__name__, fmode="w", test_log=False):
+
+    log_file = get_log_file()
+    log_to = dict()
+
+    if log_file:
+        if sys.version_info >= (3, 9):
+            log_to["filename"] = log_file
+            log_to["filemode"] = fmode
+            log_to["encoding"] = "utf-8"
+        else:
+            try:
+                h = logging.FileHandler(log_file, mode=fmode, encoding="utf-8")
+                log_to.update({"handlers": [h]})
+            except (LookupError, KeyError, ValueError) as ex:
+                print(f"{ex}, bad  encoding {__file__}")
+                pass
+
+    short_msg = "%(message)s > %(threadName)s > %(asctime)s.%(msecs)03d"
+    # long_msg = short_msg + " > %(funcName)s > %(filename)s:%(lineno)d > %(levelname)s"
+
+    time_msg = "%H:%M:%S"
+    # date_time_msg = '%Y-%m-%d %H:%M:%S'
+
+    try:
+        logging.basicConfig(
+            format=short_msg,
+            datefmt=time_msg,
+            level=check_level(level),
+            **log_to,
+        )
+    except (OSError, LookupError, KeyError, ValueError) as ex:
+        print(f"{ex}, {__file__}")
+        print(f"cannot open {log_file}")
+        logging.basicConfig(
+            format="%(message)s",
+            level=check_level(level),
+        )
+
+    if logger_name is None:
+        return None
+
+    log = logging.getLogger("SA:" + logger_name)
+    log.propagate = True
+
+    if test_log:
+        for func in (
+            log.debug,
+            log.info,
+            log.warn,
+            log.error,
+            log.critical,
+        ):
+            func("func: " + func.__name__)
+
+    return log
+
 
 def get_workers(opts, default=10):
     try: