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Unified Diff: tools/telemetry/third_party/gsutil/third_party/boto/boto/dynamodb/table.py

Issue 1260493004: Revert "Add gsutil 4.13 to telemetry/third_party" (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 5 months ago
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Index: tools/telemetry/third_party/gsutil/third_party/boto/boto/dynamodb/table.py
diff --git a/tools/telemetry/third_party/gsutil/third_party/boto/boto/dynamodb/table.py b/tools/telemetry/third_party/gsutil/third_party/boto/boto/dynamodb/table.py
deleted file mode 100644
index 152b95d908a74c0bf3c9de06b85f07c1b8a93a3a..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/gsutil/third_party/boto/boto/dynamodb/table.py
+++ /dev/null
@@ -1,546 +0,0 @@
-# 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.
-#
-
-from boto.dynamodb.batch import BatchList
-from boto.dynamodb.schema import Schema
-from boto.dynamodb.item import Item
-from boto.dynamodb import exceptions as dynamodb_exceptions
-import time
-
-
-class TableBatchGenerator(object):
- """
- A low-level generator used to page through results from
- batch_get_item operations.
-
- :ivar consumed_units: An integer that holds the number of
- ConsumedCapacityUnits accumulated thus far for this
- generator.
- """
-
- def __init__(self, table, keys, attributes_to_get=None,
- consistent_read=False):
- self.table = table
- self.keys = keys
- self.consumed_units = 0
- self.attributes_to_get = attributes_to_get
- self.consistent_read = consistent_read
-
- def _queue_unprocessed(self, res):
- if u'UnprocessedKeys' not in res:
- return
- if self.table.name not in res[u'UnprocessedKeys']:
- return
-
- keys = res[u'UnprocessedKeys'][self.table.name][u'Keys']
-
- for key in keys:
- h = key[u'HashKeyElement']
- r = key[u'RangeKeyElement'] if u'RangeKeyElement' in key else None
- self.keys.append((h, r))
-
- def __iter__(self):
- while self.keys:
- # Build the next batch
- batch = BatchList(self.table.layer2)
- batch.add_batch(self.table, self.keys[:100],
- self.attributes_to_get)
- res = batch.submit()
-
- # parse the results
- if self.table.name not in res[u'Responses']:
- continue
- self.consumed_units += res[u'Responses'][self.table.name][u'ConsumedCapacityUnits']
- for elem in res[u'Responses'][self.table.name][u'Items']:
- yield elem
-
- # re-queue un processed keys
- self.keys = self.keys[100:]
- self._queue_unprocessed(res)
-
-
-class Table(object):
- """
- An Amazon DynamoDB table.
-
- :ivar name: The name of the table.
- :ivar create_time: The date and time that the table was created.
- :ivar status: The current status of the table. One of:
- 'ACTIVE', 'UPDATING', 'DELETING'.
- :ivar schema: A :class:`boto.dynamodb.schema.Schema` object representing
- the schema defined for the table.
- :ivar item_count: The number of items in the table. This value is
- set only when the Table object is created or refreshed and
- may not reflect the actual count.
- :ivar size_bytes: Total size of the specified table, in bytes.
- Amazon DynamoDB updates this value approximately every six hours.
- Recent changes might not be reflected in this value.
- :ivar read_units: The ReadCapacityUnits of the tables
- Provisioned Throughput.
- :ivar write_units: The WriteCapacityUnits of the tables
- Provisioned Throughput.
- :ivar schema: The Schema object associated with the table.
- """
-
- def __init__(self, layer2, response):
- """
-
- :type layer2: :class:`boto.dynamodb.layer2.Layer2`
- :param layer2: A `Layer2` api object.
-
- :type response: dict
- :param response: The output of
- `boto.dynamodb.layer1.Layer1.describe_table`.
-
- """
- self.layer2 = layer2
- self._dict = {}
- self.update_from_response(response)
-
- @classmethod
- def create_from_schema(cls, layer2, name, schema):
- """Create a Table object.
-
- If you know the name and schema of your table, you can
- create a ``Table`` object without having to make any
- API calls (normally an API call is made to retrieve
- the schema of a table).
-
- Example usage::
-
- table = Table.create_from_schema(
- boto.connect_dynamodb(),
- 'tablename',
- Schema.create(hash_key=('keyname', 'N')))
-
- :type layer2: :class:`boto.dynamodb.layer2.Layer2`
- :param layer2: A ``Layer2`` api object.
-
- :type name: str
- :param name: The name of the table.
-
- :type schema: :class:`boto.dynamodb.schema.Schema`
- :param schema: The schema associated with the table.
-
- :rtype: :class:`boto.dynamodb.table.Table`
- :return: A Table object representing the table.
-
- """
- table = cls(layer2, {'Table': {'TableName': name}})
- table._schema = schema
- return table
-
- def __repr__(self):
- return 'Table(%s)' % self.name
-
- @property
- def name(self):
- return self._dict['TableName']
-
- @property
- def create_time(self):
- return self._dict.get('CreationDateTime', None)
-
- @property
- def status(self):
- return self._dict.get('TableStatus', None)
-
- @property
- def item_count(self):
- return self._dict.get('ItemCount', 0)
-
- @property
- def size_bytes(self):
- return self._dict.get('TableSizeBytes', 0)
-
- @property
- def schema(self):
- return self._schema
-
- @property
- def read_units(self):
- try:
- return self._dict['ProvisionedThroughput']['ReadCapacityUnits']
- except KeyError:
- return None
-
- @property
- def write_units(self):
- try:
- return self._dict['ProvisionedThroughput']['WriteCapacityUnits']
- except KeyError:
- return None
-
- def update_from_response(self, response):
- """
- Update the state of the Table object based on the response
- data received from Amazon DynamoDB.
- """
- # 'Table' is from a describe_table call.
- if 'Table' in response:
- self._dict.update(response['Table'])
- # 'TableDescription' is from a create_table call.
- elif 'TableDescription' in response:
- self._dict.update(response['TableDescription'])
- if 'KeySchema' in self._dict:
- self._schema = Schema(self._dict['KeySchema'])
-
- def refresh(self, wait_for_active=False, retry_seconds=5):
- """
- Refresh all of the fields of the Table object by calling
- the underlying DescribeTable request.
-
- :type wait_for_active: bool
- :param wait_for_active: If True, this command will not return
- until the table status, as returned from Amazon DynamoDB, is
- 'ACTIVE'.
-
- :type retry_seconds: int
- :param retry_seconds: If wait_for_active is True, this
- parameter controls the number of seconds of delay between
- calls to update_table in Amazon DynamoDB. Default is 5 seconds.
- """
- done = False
- while not done:
- response = self.layer2.describe_table(self.name)
- self.update_from_response(response)
- if wait_for_active:
- if self.status == 'ACTIVE':
- done = True
- else:
- time.sleep(retry_seconds)
- else:
- done = True
-
- def update_throughput(self, read_units, write_units):
- """
- Update the ProvisionedThroughput for the Amazon DynamoDB Table.
-
- :type read_units: int
- :param read_units: The new value for ReadCapacityUnits.
-
- :type write_units: int
- :param write_units: The new value for WriteCapacityUnits.
- """
- self.layer2.update_throughput(self, read_units, write_units)
-
- def delete(self):
- """
- Delete this table and all items in it. After calling this
- the Table objects status attribute will be set to 'DELETING'.
- """
- self.layer2.delete_table(self)
-
- def get_item(self, hash_key, range_key=None,
- attributes_to_get=None, consistent_read=False,
- item_class=Item):
- """
- Retrieve an existing item from the table.
-
- :type hash_key: int|long|float|str|unicode|Binary
- :param hash_key: The HashKey of the requested item. The
- type of the value must match the type defined in the
- schema for the table.
-
- :type range_key: int|long|float|str|unicode|Binary
- :param range_key: The optional RangeKey of the requested item.
- The type of the value must match the type defined in the
- schema for the table.
-
- :type attributes_to_get: list
- :param attributes_to_get: A list of attribute names.
- If supplied, only the specified attribute names will
- be returned. Otherwise, all attributes will be returned.
-
- :type consistent_read: bool
- :param consistent_read: If True, a consistent read
- request is issued. Otherwise, an eventually consistent
- request is issued.
-
- :type item_class: Class
- :param item_class: Allows you to override the class used
- to generate the items. This should be a subclass of
- :class:`boto.dynamodb.item.Item`
- """
- return self.layer2.get_item(self, hash_key, range_key,
- attributes_to_get, consistent_read,
- item_class)
- lookup = get_item
-
- def has_item(self, hash_key, range_key=None, consistent_read=False):
- """
- Checks the table to see if the Item with the specified ``hash_key``
- exists. This may save a tiny bit of time/bandwidth over a
- straight :py:meth:`get_item` if you have no intention to touch
- the data that is returned, since this method specifically tells
- Amazon not to return anything but the Item's key.
-
- :type hash_key: int|long|float|str|unicode|Binary
- :param hash_key: The HashKey of the requested item. The
- type of the value must match the type defined in the
- schema for the table.
-
- :type range_key: int|long|float|str|unicode|Binary
- :param range_key: The optional RangeKey of the requested item.
- The type of the value must match the type defined in the
- schema for the table.
-
- :type consistent_read: bool
- :param consistent_read: If True, a consistent read
- request is issued. Otherwise, an eventually consistent
- request is issued.
-
- :rtype: bool
- :returns: ``True`` if the Item exists, ``False`` if not.
- """
- try:
- # Attempt to get the key. If it can't be found, it'll raise
- # an exception.
- self.get_item(hash_key, range_key=range_key,
- # This minimizes the size of the response body.
- attributes_to_get=[hash_key],
- consistent_read=consistent_read)
- except dynamodb_exceptions.DynamoDBKeyNotFoundError:
- # Key doesn't exist.
- return False
- return True
-
- def new_item(self, hash_key=None, range_key=None, attrs=None,
- item_class=Item):
- """
- Return an new, unsaved Item which can later be PUT to
- Amazon DynamoDB.
-
- This method has explicit (but optional) parameters for
- the hash_key and range_key values of the item. You can use
- these explicit parameters when calling the method, such as::
-
- >>> my_item = my_table.new_item(hash_key='a', range_key=1,
- attrs={'key1': 'val1', 'key2': 'val2'})
- >>> my_item
- {u'bar': 1, u'foo': 'a', 'key1': 'val1', 'key2': 'val2'}
-
- Or, if you prefer, you can simply put the hash_key and range_key
- in the attrs dictionary itself, like this::
-
- >>> attrs = {'foo': 'a', 'bar': 1, 'key1': 'val1', 'key2': 'val2'}
- >>> my_item = my_table.new_item(attrs=attrs)
- >>> my_item
- {u'bar': 1, u'foo': 'a', 'key1': 'val1', 'key2': 'val2'}
-
- The effect is the same.
-
- .. note:
- The explicit parameters take priority over the values in
- the attrs dict. So, if you have a hash_key or range_key
- in the attrs dict and you also supply either or both using
- the explicit parameters, the values in the attrs will be
- ignored.
-
- :type hash_key: int|long|float|str|unicode|Binary
- :param hash_key: The HashKey of the new item. The
- type of the value must match the type defined in the
- schema for the table.
-
- :type range_key: int|long|float|str|unicode|Binary
- :param range_key: The optional RangeKey of the new item.
- The type of the value must match the type defined in the
- schema for the table.
-
- :type attrs: dict
- :param attrs: A dictionary of key value pairs used to
- populate the new item.
-
- :type item_class: Class
- :param item_class: Allows you to override the class used
- to generate the items. This should be a subclass of
- :class:`boto.dynamodb.item.Item`
- """
- return item_class(self, hash_key, range_key, attrs)
-
- def query(self, hash_key, *args, **kw):
- """
- Perform a query on the table.
-
- :type hash_key: int|long|float|str|unicode|Binary
- :param hash_key: The HashKey of the requested item. The
- type of the value must match the type defined in the
- schema for the table.
-
- :type range_key_condition: :class:`boto.dynamodb.condition.Condition`
- :param range_key_condition: A Condition object.
- Condition object can be one of the following types:
-
- EQ|LE|LT|GE|GT|BEGINS_WITH|BETWEEN
-
- The only condition which expects or will accept two
- values is 'BETWEEN', otherwise a single value should
- be passed to the Condition constructor.
-
- :type attributes_to_get: list
- :param attributes_to_get: A list of attribute names.
- If supplied, only the specified attribute names will
- be returned. Otherwise, all attributes will be returned.
-
- :type request_limit: int
- :param request_limit: The maximum number of items to retrieve
- from Amazon DynamoDB on each request. You may want to set
- a specific request_limit based on the provisioned throughput
- of your table. The default behavior is to retrieve as many
- results as possible per request.
-
- :type max_results: int
- :param max_results: The maximum number of results that will
- be retrieved from Amazon DynamoDB in total. For example,
- if you only wanted to see the first 100 results from the
- query, regardless of how many were actually available, you
- could set max_results to 100 and the generator returned
- from the query method will only yeild 100 results max.
-
- :type consistent_read: bool
- :param consistent_read: If True, a consistent read
- request is issued. Otherwise, an eventually consistent
- request is issued.
-
- :type scan_index_forward: bool
- :param scan_index_forward: Specified forward or backward
- traversal of the index. Default is forward (True).
-
- :type exclusive_start_key: list or tuple
- :param exclusive_start_key: Primary key of the item from
- which to continue an earlier query. This would be
- provided as the LastEvaluatedKey in that query.
-
- :type count: bool
- :param count: If True, Amazon DynamoDB returns a total
- number of items for the Query operation, even if the
- operation has no matching items for the assigned filter.
- If count is True, the actual items are not returned and
- the count is accessible as the ``count`` attribute of
- the returned object.
-
-
- :type item_class: Class
- :param item_class: Allows you to override the class used
- to generate the items. This should be a subclass of
- :class:`boto.dynamodb.item.Item`
- """
- return self.layer2.query(self, hash_key, *args, **kw)
-
- def scan(self, *args, **kw):
- """
- Scan through this table, this is a very long
- and expensive operation, and should be avoided if
- at all possible.
-
- :type scan_filter: A dict
- :param scan_filter: A dictionary where the key is the
- attribute name and the value is a
- :class:`boto.dynamodb.condition.Condition` object.
- Valid Condition objects include:
-
- * EQ - equal (1)
- * NE - not equal (1)
- * LE - less than or equal (1)
- * LT - less than (1)
- * GE - greater than or equal (1)
- * GT - greater than (1)
- * NOT_NULL - attribute exists (0, use None)
- * NULL - attribute does not exist (0, use None)
- * CONTAINS - substring or value in list (1)
- * NOT_CONTAINS - absence of substring or value in list (1)
- * BEGINS_WITH - substring prefix (1)
- * IN - exact match in list (N)
- * BETWEEN - >= first value, <= second value (2)
-
- :type attributes_to_get: list
- :param attributes_to_get: A list of attribute names.
- If supplied, only the specified attribute names will
- be returned. Otherwise, all attributes will be returned.
-
- :type request_limit: int
- :param request_limit: The maximum number of items to retrieve
- from Amazon DynamoDB on each request. You may want to set
- a specific request_limit based on the provisioned throughput
- of your table. The default behavior is to retrieve as many
- results as possible per request.
-
- :type max_results: int
- :param max_results: The maximum number of results that will
- be retrieved from Amazon DynamoDB in total. For example,
- if you only wanted to see the first 100 results from the
- query, regardless of how many were actually available, you
- could set max_results to 100 and the generator returned
- from the query method will only yeild 100 results max.
-
- :type count: bool
- :param count: If True, Amazon DynamoDB returns a total
- number of items for the Scan operation, even if the
- operation has no matching items for the assigned filter.
- If count is True, the actual items are not returned and
- the count is accessible as the ``count`` attribute of
- the returned object.
-
- :type exclusive_start_key: list or tuple
- :param exclusive_start_key: Primary key of the item from
- which to continue an earlier query. This would be
- provided as the LastEvaluatedKey in that query.
-
- :type item_class: Class
- :param item_class: Allows you to override the class used
- to generate the items. This should be a subclass of
- :class:`boto.dynamodb.item.Item`
-
- :return: A TableGenerator (generator) object which will iterate
- over all results
- :rtype: :class:`boto.dynamodb.layer2.TableGenerator`
- """
- return self.layer2.scan(self, *args, **kw)
-
- def batch_get_item(self, keys, attributes_to_get=None):
- """
- Return a set of attributes for a multiple items from a single table
- using their primary keys. This abstraction removes the 100 Items per
- batch limitations as well as the "UnprocessedKeys" logic.
-
- :type keys: list
- :param keys: A list of scalar or tuple values. Each element in the
- list represents one Item to retrieve. If the schema for the
- table has both a HashKey and a RangeKey, each element in the
- list should be a tuple consisting of (hash_key, range_key). If
- the schema for the table contains only a HashKey, each element
- in the list should be a scalar value of the appropriate type
- for the table schema. NOTE: The maximum number of items that
- can be retrieved for a single operation is 100. Also, the
- number of items retrieved is constrained by a 1 MB size limit.
-
- :type attributes_to_get: list
- :param attributes_to_get: A list of attribute names.
- If supplied, only the specified attribute names will
- be returned. Otherwise, all attributes will be returned.
-
- :return: A TableBatchGenerator (generator) object which will
- iterate over all results
- :rtype: :class:`boto.dynamodb.table.TableBatchGenerator`
- """
- return TableBatchGenerator(self, keys, attributes_to_get)

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