From a3a394c1b7187c22ee63056fd0e0c8965544543b Mon Sep 17 00:00:00 2001
From: Peter Hinch <peter@hinch.me.uk>
Date: Thu, 16 May 2019 11:57:49 +0100
Subject: [PATCH] PicoWeb guide now has no changes to Paul Sokolovsky's picoweb
 code.

---
 PicoWeb/ulogging.py | 94 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 PicoWeb/ulogging.py

diff --git a/PicoWeb/ulogging.py b/PicoWeb/ulogging.py
new file mode 100644
index 0000000..cea2de0
--- /dev/null
+++ b/PicoWeb/ulogging.py
@@ -0,0 +1,94 @@
+import sys
+
+CRITICAL = 50
+ERROR    = 40
+WARNING  = 30
+INFO     = 20
+DEBUG    = 10
+NOTSET   = 0
+
+_level_dict = {
+    CRITICAL: "CRIT",
+    ERROR: "ERROR",
+    WARNING: "WARN",
+    INFO: "INFO",
+    DEBUG: "DEBUG",
+}
+
+_stream = sys.stderr
+
+class Logger:
+
+    level = NOTSET
+
+    def __init__(self, name):
+        self.name = name
+
+    def _level_str(self, level):
+        l = _level_dict.get(level)
+        if l is not None:
+            return l
+        return "LVL%s" % level
+
+    def setLevel(self, level):
+        self.level = level
+
+    def isEnabledFor(self, level):
+        return level >= (self.level or _level)
+
+    def log(self, level, msg, *args):
+        if level >= (self.level or _level):
+            _stream.write("%s:%s:" % (self._level_str(level), self.name))
+            if not args:
+                print(msg, file=_stream)
+            else:
+                print(msg % args, file=_stream)
+
+    def debug(self, msg, *args):
+        self.log(DEBUG, msg, *args)
+
+    def info(self, msg, *args):
+        self.log(INFO, msg, *args)
+
+    def warning(self, msg, *args):
+        self.log(WARNING, msg, *args)
+
+    def error(self, msg, *args):
+        self.log(ERROR, msg, *args)
+
+    def critical(self, msg, *args):
+        self.log(CRITICAL, msg, *args)
+
+    def exc(self, e, msg, *args):
+        self.log(ERROR, msg, *args)
+        sys.print_exception(e, _stream)
+
+    def exception(self, msg, *args):
+        self.exc(sys.exc_info()[1], msg, *args)
+
+
+_level = INFO
+_loggers = {}
+
+def getLogger(name):
+    if name in _loggers:
+        return _loggers[name]
+    l = Logger(name)
+    _loggers[name] = l
+    return l
+
+def info(msg, *args):
+    getLogger(None).info(msg, *args)
+
+def debug(msg, *args):
+    getLogger(None).debug(msg, *args)
+
+def basicConfig(level=INFO, filename=None, stream=None, format=None):
+    global _level, _stream
+    _level = level
+    if stream:
+        _stream = stream
+    if filename is not None:
+        print("logging.basicConfig: filename arg is not supported")
+    if format is not None:
+        print("logging.basicConfig: format arg is not supported")