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-rw-r--r--pylog/onaplogging/marker/marker.py142
1 files changed, 142 insertions, 0 deletions
diff --git a/pylog/onaplogging/marker/marker.py b/pylog/onaplogging/marker/marker.py
new file mode 100644
index 0000000..5414e21
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+++ b/pylog/onaplogging/marker/marker.py
@@ -0,0 +1,142 @@
+# 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 abc
+
+MARKER_TAG = "marker"
+
+
+class Marker(object):
+
+ __metaclass__ = abc.ABCMeta
+
+ @abc.abstractmethod
+ def getName(self):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def contains(self, item=None):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def addChild(self, item):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def removeChild(self, item):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def __eq__(self, other):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def __hash__(self):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def __iter__(self):
+ raise NotImplementedError()
+
+
+class BaseMarker(Marker):
+
+ def __init__(self, name):
+ super(BaseMarker, self).__init__()
+ if not isinstance(name, str):
+ raise TypeError("not str type")
+ if name == "":
+ raise ValueError("empty value")
+ self.__name = name
+ self.__childs = []
+
+ def getName(self):
+ return self.__name
+
+ def __iter__(self):
+ return iter(self.__childs)
+
+ def __eq__(self, other):
+
+ if not isinstance(other, Marker):
+ return False
+ if id(self) == id(other):
+ return True
+
+ return self.__name == other.getName()
+
+ def __hash__(self):
+ return hash(self.__name)
+
+ def contains(self, item=None):
+
+ if isinstance(item, Marker):
+ if item == self:
+ return True
+ return len(list(filter(
+ lambda x: x == item, self.__childs))) > 0
+
+ elif isinstance(item, str):
+ if item == self.__name:
+ return True
+
+ return len(list(filter(
+ lambda x: x.__name == item, self.__childs))) > 0
+
+ return False
+
+ def addChild(self, item):
+ if not isinstance(item, Marker):
+ raise TypeError("can only add (not %s) marker type"
+ % type(item))
+ if self == item:
+ return
+ if item not in self.__childs:
+ self.__childs.append(item)
+
+ def addChilds(self, childs):
+ try:
+ iter(childs)
+ except Exception as e:
+ raise e
+
+ for item in childs:
+ self.addChild(item)
+
+ def removeChild(self, item):
+ if not isinstance(item, Marker):
+ raise TypeError("can only add (not %s) marker type"
+ % type(item))
+ if item in self.__childs:
+ self.__childs.remove(item)
+
+
+def matchMarkerHelp(record, markerToMatch):
+
+ marker = getattr(record, MARKER_TAG, None)
+
+ if marker is None or markerToMatch is None:
+ return False
+
+ if not isinstance(marker, Marker):
+ return False
+
+ try:
+ if isinstance(markerToMatch, list):
+ return len(list(filter(
+ lambda x: marker.contains(x), markerToMatch))) > 0
+
+ return marker.contains(markerToMatch)
+ except Exception as e:
+ raise e