1 files changed, 143 insertions, 0 deletions
diff --git a/pylog/onaplogging/colorFormatter.py b/pylog/onaplogging/colorFormatter.py
new file mode 100644
index 0000000..a60e441
--- /dev/null
+++ b/pylog/onaplogging/colorFormatter.py
@@ -0,0 +1,143 @@
+# Copyright 2018 ke liang <lokyse@163.com>.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+import logging
+from logging import Formatter
+
+
+ATTRIBUTES = {
+    'normal': 0,
+    'bold': 1,
+    'underline': 4,
+    'blink': 5,
+    'invert': 7,
+    'hide': 8,
+
+}
+
+
+HIGHLIGHTS = {
+
+    'black': 40,
+    'red':  41,
+    'green': 42,
+    'yellow': 43,
+    'blue': 44,
+    'purple': 45,
+    'cyan': 46,
+    'white': 47,
+}
+
+COLORS = {
+
+    'black': 30,
+    'red': 31,
+    'green': 32,
+    'yellow': 33,
+    'blue': 34,
+    'purple': 35,
+    'cyan': 36,
+    'white': 37,
+}
+
+COLOR_TAG = "color"
+HIGHLIGHT_TAG = "highlight"
+ATTRIBUTE_TAG = "attribute"
+
+RESET = '\033[0m'
+
+
+def colored(text, color=None, on_color=None, attrs=None):
+    # It can't support windows system cmd right now!
+    # TODO: colered output on windows system cmd
+    if os.name in ('nt', 'ce'):
+        return text
+
+    if isinstance(attrs, str):
+        attrs = [attrs]
+
+    if os.getenv('ANSI_COLORS_DISABLED', None) is None:
+        fmt_str = '\033[%dm%s'
+        if color is not None and isinstance(color, str):
+            text = fmt_str % (COLORS.get(color, 0), text)
+
+        if on_color is not None and isinstance(on_color, str):
+            text = fmt_str % (HIGHLIGHTS.get(on_color, 0), text)
+
+        if attrs is not None:
+            for attr in attrs:
+                text = fmt_str % (ATTRIBUTES.get(attr, 0), text)
+
+        #  keep origin color for tail spaces
+        text += RESET
+    return text
+
+
+class BaseColorFormatter(Formatter):
+
+    def __init__(self, fmt=None, datefmt=None, colorfmt=None, style="%"):
+        if sys.version_info > (3, 2):
+            super(BaseColorFormatter, self).__init__(
+                fmt=fmt, datefmt=datefmt, style=style)
+        elif sys.version_info > (2, 7):
+            super(BaseColorFormatter, self).__init__(fmt, datefmt)
+        else:
+            Formatter.__init__(self, fmt, datefmt)
+
+        self.style = style
+        if sys.version_info > (3, 2):
+            if self.style not in logging._STYLES:
+                raise ValueError('Style must be one of: %s' % ','.join(
+                        logging._STYLES.keys()))
+
+        self.colorfmt = colorfmt
+
+        print(self.colorfmt, isinstance(self.colorfmt, dict))
+
+    def _parseColor(self, record):
+        """
+        color formatter for instance:
+        {
+            "logging-levelname":
+                {
+                    "color":"<COLORS>",
+                    "highlight":"<HIGHLIGHTS>",
+                    "attribute":"<ATTRIBUTES>",
+                }
+        }
+        :param record:
+        :return: text color, background color, text attribute
+        """
+        if self.colorfmt and isinstance(self.colorfmt, dict):
+
+            level = record.levelname
+            colors = self.colorfmt.get(level, None)
+
+            if colors is not None and isinstance(colors, dict):
+                return colors.get(COLOR_TAG, None), \
+                       colors.get(HIGHLIGHT_TAG, None), \
+                       colors.get(ATTRIBUTE_TAG, None)
+
+        return None, None, None
+
+    def format(self, record):
+
+        if sys.version_info > (2, 7):
+            s = super(BaseColorFormatter, self).format(record)
+        else:
+            s = Formatter.format(self, record)
+        color, on_color, attribute = self._parseColor(record)
+        return colored(s, color, on_color, attrs=attribute)