Scripts to download files from google storage based on sha1 sums

third_party/gsutil/boto/boto/dynamodb/schema.py

Index: third_party/gsutil/boto/boto/dynamodb/schema.py
diff --git a/third_party/gsutil/boto/boto/dynamodb/schema.py b/third_party/gsutil/boto/boto/dynamodb/schema.py
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+# Copyright (c) 2011 Mitch Garnaat http://garnaat.org/
+# Copyright (c) 2011 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.
+#
+
+
+class Schema(object):
+    """
+    Represents a DynamoDB schema.
+
+    :ivar hash_key_name: The name of the hash key of the schema.
+    :ivar hash_key_type: The DynamoDB type specification for the
+        hash key of the schema.
+    :ivar range_key_name: The name of the range key of the schema
+        or None if no range key is defined.
+    :ivar range_key_type: The DynamoDB type specification for the
+        range key of the schema or None if no range key is defined.
+    :ivar dict: The underlying Python dictionary that needs to be
+        passed to Layer1 methods.
+    """
+
+    def __init__(self, schema_dict):
+        self._dict = schema_dict
+
+    def __repr__(self):
+        if self.range_key_name:
+            s = 'Schema(%s:%s)' % (self.hash_key_name, self.range_key_name)
+        else:
+            s = 'Schema(%s)' % self.hash_key_name
+        return s
+
+    @classmethod
+    def create(cls, hash_key, range_key=None):
+        """Convenience method to create a schema object.
+
+        Example usage::
+
+            schema = Schema.create(hash_key=('foo', 'N'))
+            schema2 = Schema.create(hash_key=('foo', 'N'),
+                                    range_key=('bar', 'S'))
+
+        :type hash_key: tuple
+        :param hash_key: A tuple of (hash_key_name, hash_key_type)
+
+        :type range_key: tuple
+        :param hash_key: A tuple of (range_key_name, range_key_type)
+
+        """
+        reconstructed = {
+            'HashKeyElement': {
+                'AttributeName': hash_key[0],
+                'AttributeType': hash_key[1],
+            }
+        }
+        if range_key is not None:
+            reconstructed['RangeKeyElement'] = {
+                'AttributeName': range_key[0],
+                'AttributeType': range_key[1],
+            }
+        instance = cls(None)
+        instance._dict = reconstructed
+        return instance
+
+    @property
+    def dict(self):
+        return self._dict
+
+    @property
+    def hash_key_name(self):
+        return self._dict['HashKeyElement']['AttributeName']
+
+    @property
+    def hash_key_type(self):
+        return self._dict['HashKeyElement']['AttributeType']
+
+    @property
+    def range_key_name(self):
+        name = None
+        if 'RangeKeyElement' in self._dict:
+            name = self._dict['RangeKeyElement']['AttributeName']
+        return name
+
+    @property
+    def range_key_type(self):
+        type = None
+        if 'RangeKeyElement' in self._dict:
+            type = self._dict['RangeKeyElement']['AttributeType']
+        return type
+
+    def __eq__(self, other):
+        return (self.hash_key_name == other.hash_key_name and
+                self.hash_key_type == other.hash_key_type and
+                self.range_key_name == other.range_key_name and
+                self.range_key_type == other.range_key_type)