Add 'Logger' class and factory.

docs/index.rst

@@ -112,6 +112,7 @@
 
   logging-usage
   Client <logging-client>
+  logging-logger
 
 .. toctree::
   :maxdepth: 0

docs/logging-logger.rst

@@ -0,0 +1,8 @@
+Logger
+======
+
+.. automodule:: gcloud.logging.logger
+  :members:
+  :undoc-members:
+  :show-inheritance:
+

gcloud/logging/client.py

@@ -17,6 +17,7 @@
 
 from gcloud.client import JSONClient
 from gcloud.logging.connection import Connection
+from gcloud.logging.logger import Logger
 
 
 class Client(JSONClient):
@@ -41,3 +42,14 @@ class Client(JSONClient):
     """
 
     _connection_class = Connection
+
+    def logger(self, name):
+        """Creates a logger bound to the current client.
+
+        :type name: string
+        :param name: the name of the logger to be constructed.
+
+        :rtype: :class:`gcloud.pubsub.logger.Logger`
+        :returns: Logger created with the current client.
+        """
+        return Logger(name, client=self)

gcloud/logging/logger.py

@@ -0,0 +1,43 @@
+# Copyright 2016 Google Inc. All rights reserved.
+#
+# 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.
+
+"""Define API Loggers."""
+
+
+class Logger(object):
+    """Loggers represent named targets for log entries.
+
+    See:
+    https://cloud.google.com/logging/docs/api/ref_v2beta1/rest/v2beta1/projects.logs
+
+    :type name: string
+    :param name: the name of the logger
+
+    :type client: :class:`gcloud.logging.client.Client`
+    :param client: A client which holds credentials and project configuration
+                   for the logger (which requires a project).
+    """
+    def __init__(self, name, client):
+        self.name = name
+        self._client = client
+
+    @property
+    def client(self):
+        """Clent bound to the logger."""
+        return self._client
+
+    @property
+    def project(self):
+        """Project bound to the logger."""
+        return self._client.project

gcloud/logging/test_client.py

@@ -17,6 +17,9 @@
 
 class TestClient(unittest2.TestCase):
 
+    PROJECT = 'PROJECT'
+    LOGGER_NAME = 'LOGGER_NAME'
+
     def _getTargetClass(self):
         from gcloud.logging.client import Client
         return Client
@@ -25,10 +28,18 @@ def _makeOne(self, *args, **kw):
         return self._getTargetClass()(*args, **kw)
 
     def test_ctor(self):
-        PROJECT = 'PROJECT'
         creds = _Credentials()
-        client = self._makeOne(project=PROJECT, credentials=creds)
-        self.assertEqual(client.project, PROJECT)
+        client = self._makeOne(project=self.PROJECT, credentials=creds)
+        self.assertEqual(client.project, self.PROJECT)
+
+    def test_logger(self):
+        creds = _Credentials()
+
+        client_obj = self._makeOne(project=self.PROJECT, credentials=creds)
+        logger = client_obj.logger(self.LOGGER_NAME)
+        self.assertEqual(logger.name, self.LOGGER_NAME)
+        self.assertTrue(logger.client is client_obj)
+        self.assertEqual(logger.project, self.PROJECT)
 
 
 class _Credentials(object):

gcloud/logging/test_logger.py

@@ -0,0 +1,50 @@
+# Copyright 2016 Google Inc. All rights reserved.
+#
+# 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 unittest2
+
+
+class TestLogger(unittest2.TestCase):
+
+    PROJECT = 'test-project'
+    LOGGER_NAME = 'logger-name'
+
+    def _getTargetClass(self):
+        from gcloud.logging.logger import Logger
+        return Logger
+
+    def _makeOne(self, *args, **kw):
+        return self._getTargetClass()(*args, **kw)
+
+    def test_ctor(self):
+        conn = _Connection()
+        client = _Client(self.PROJECT, conn)
+        logger = self._makeOne(self.LOGGER_NAME, client=client)
+        self.assertEqual(logger.name, self.LOGGER_NAME)
+        self.assertTrue(logger.client is client)
+        self.assertEqual(logger.project, self.PROJECT)
+
+
+class _Connection(object):
+
+    def __init__(self, *responses):
+        self._responses = responses
+        self._requested = []
+
+
+class _Client(object):
+
+    def __init__(self, project, connection=None):
+        self.project = project
+        self.connection = connection