Added boto/ to depot_tools/third_party

third_party/boto/core/service.py

+# Copyright (c) 2012 Mitch Garnaat http://garnaat.org/
+# Copyright (c) 2012 Amazon.com, Inc. or its affiliates.
+# All Rights Reserved
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish, dis-
+# tribute, sublicense, and/or sell copies of the Software, and to permit
+# persons to whom the Software is furnished to do so, subject to the fol-
+# lowing conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
+# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+
+import requests
+from .auth import SigV2Auth
+from .credentials import get_credentials
+from .dictresponse import Element, XmlHandler
+
+
+class Service(object):
+    """
+    This is a simple example service that connects to the EC2 endpoint
+    and supports a single request (DescribeInstances) to show how to
+    use the requests-based code rather than the standard boto code which
+    is based on httplib.  At the moment, the only auth mechanism
+    supported is SigV2.
+    """
+
+    def __init__(self, host='https://ec2.us-east-1.amazonaws.com',
+                 path='/', api_version='2012-03-01', persona=None):
+        self.credentials = get_credentials(persona)
+        self.auth = SigV2Auth(self.credentials, api_version=api_version)
+        self.host = host
+        self.path = path
+
+    def get_response(self, params, list_marker=None):
+        r = requests.post(self.host, params=params,
+                          hooks={'args': self.auth.add_auth})
+        r.encoding = 'utf-8'
+        body = r.text.encode('utf-8')
+        e = Element(list_marker=list_marker, pythonize_name=True)
+        h = XmlHandler(e, self)
+        h.parse(body)
+        return e
+
+    def build_list_params(self, params, items, label):
+        if isinstance(items, str):
+            items = [items]
+        for i in range(1, len(items) + 1):
+            params['%s.%d' % (label, i)] = items[i - 1]
+
+    def describe_instances(self, instance_ids=None):
+        params = {}
+        if instance_ids:
+            self.build_list_params(params, instance_ids, 'InstanceId')
+        return self.get_response(params)