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Unified Diff: third_party/gsutil/20110627/boto/boto/sdb/item.py

Issue 10199002: Upgrade gsutil to 3.4 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Addressed comments Created 8 years, 8 months ago
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Index: third_party/gsutil/20110627/boto/boto/sdb/item.py
diff --git a/third_party/gsutil/20110627/boto/boto/sdb/item.py b/third_party/gsutil/20110627/boto/boto/sdb/item.py
deleted file mode 100644
index 4705b313df5f0ef85fcdc1d381d138f23974e2da..0000000000000000000000000000000000000000
--- a/third_party/gsutil/20110627/boto/boto/sdb/item.py
+++ /dev/null
@@ -1,183 +0,0 @@
-# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
-#
-# 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 base64
-
-class Item(dict):
- """
- A ``dict`` sub-class that serves as an object representation of a
- SimpleDB item. An item in SDB is similar to a row in a relational
- database. Items belong to a :py:class:`Domain <boto.sdb.domain.Domain>`,
- which is similar to a table in a relational database.
-
- The keys on instances of this object correspond to attributes that are
- stored on the SDB item.
-
- .. tip::
- While it is possible to instantiate this class directly, you may want
- to use the convenience methods on :py:class:`boto.sdb.domain.Domain`
- for that purpose. For example,
- :py:meth:`boto.sdb.domain.Domain.get_item`.
- """
- def __init__(self, domain, name='', active=False):
- """
- :type domain: :py:class:`boto.sdb.domain.Domain`
- :param domain: The domain that this item belongs to.
-
- :param str name: The name of this item. This name will be used when
- querying for items using methods like
- :py:meth:`boto.sdb.domain.Domain.get_item`
- """
- dict.__init__(self)
- self.domain = domain
- self.name = name
- self.active = active
- self.request_id = None
- self.encoding = None
- self.in_attribute = False
- self.converter = self.domain.connection.converter
-
- def startElement(self, name, attrs, connection):
- if name == 'Attribute':
- self.in_attribute = True
- self.encoding = attrs.get('encoding', None)
- return None
-
- def decode_value(self, value):
- if self.encoding == 'base64':
- self.encoding = None
- return base64.decodestring(value)
- else:
- return value
-
- def endElement(self, name, value, connection):
- if name == 'ItemName':
- self.name = self.decode_value(value)
- elif name == 'Name':
- if self.in_attribute:
- self.last_key = self.decode_value(value)
- else:
- self.name = self.decode_value(value)
- elif name == 'Value':
- if self.has_key(self.last_key):
- if not isinstance(self[self.last_key], list):
- self[self.last_key] = [self[self.last_key]]
- value = self.decode_value(value)
- if self.converter:
- value = self.converter.decode(value)
- self[self.last_key].append(value)
- else:
- value = self.decode_value(value)
- if self.converter:
- value = self.converter.decode(value)
- self[self.last_key] = value
- elif name == 'BoxUsage':
- try:
- connection.box_usage += float(value)
- except:
- pass
- elif name == 'RequestId':
- self.request_id = value
- elif name == 'Attribute':
- self.in_attribute = False
- else:
- setattr(self, name, value)
-
- def load(self):
- """
- Loads or re-loads this item's attributes from SDB.
-
- .. warning::
- If you have changed attribute values on an Item instance,
- this method will over-write the values if they are different in
- SDB. For any local attributes that don't yet exist in SDB,
- they will be safe.
- """
- self.domain.get_attributes(self.name, item=self)
-
- def save(self, replace=True):
- """
- Saves this item to SDB.
-
- :param bool replace: If ``True``, delete any attributes on the remote
- SDB item that have a ``None`` value on this object.
- """
- self.domain.put_attributes(self.name, self, replace)
- # Delete any attributes set to "None"
- if replace:
- del_attrs = []
- for name in self:
- if self[name] == None:
- del_attrs.append(name)
- if len(del_attrs) > 0:
- self.domain.delete_attributes(self.name, del_attrs)
-
- def add_value(self, key, value):
- """
- Helps set or add to attributes on this item. If you are adding a new
- attribute that has yet to be set, it will simply create an attribute
- named ``key`` with your given ``value`` as its value. If you are
- adding a value to an existing attribute, this method will convert the
- attribute to a list (if it isn't already) and append your new value
- to said list.
-
- For clarification, consider the following interactive session:
-
- .. code-block:: python
-
- >>> item = some_domain.get_item('some_item')
- >>> item.has_key('some_attr')
- False
- >>> item.add_value('some_attr', 1)
- >>> item['some_attr']
- 1
- >>> item.add_value('some_attr', 2)
- >>> item['some_attr']
- [1, 2]
-
- :param str key: The attribute to add a value to.
- :param object value: The value to set or append to the attribute.
- """
- if key in self:
- # We already have this key on the item.
- if not isinstance(self[key], list):
- # The key isn't already a list, take its current value and
- # convert it to a list with the only member being the
- # current value.
- self[key] = [self[key]]
- # Add the new value to the list.
- self[key].append(value)
- else:
- # This is a new attribute, just set it.
- self[key] = value
-
- def delete(self):
- """
- Deletes this item in SDB.
-
- .. note:: This local Python object remains in its current state
- after deletion, this only deletes the remote item in SDB.
- """
- self.domain.delete_item(self)
-
-
-
-
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