PKá%ÛBà|nî”o”odatastore-latest/index.html datastore - simple, unified API for multiple data stores — datastore 0.3.0 documentation

datastore - simple, unified API for multiple data stores¶

Overview¶

datastore is a generic layer of abstraction for data store and database access. It is a simple API with the aim to enable application development in a datastore-agnostic way, allowing datastores to be swapped seamlessly without changing application code. Thus, one can leverage different datastores with different strengths without committing the application to one datastore throughout its lifetime.

In addition, grouped datastores significantly simplify complex data access patterns, such as caching and sharding.

Install¶

From pypi (using pip):

sudo pip install datastore

From pypi (using setuptools):

sudo easy_install datastore

From source:

git clone https://github.com/jbenet/datastore/
cd datastore
sudo python setup.py install

License¶

datastore is under the MIT Licence

Contact¶

datastore is written by [Juan Batiz-Benet](https://github.com/jbenet). It was originally part of `py-dronestore<https://github.com/jbenet/py-dronestore>`_ On December 2011, it was re-written as a standalone project.

Project Homepage: https://github.com/jbenet/datastore

Feel free to contact me. But please file issues in github first. Cheers!

Indices and tables¶

Hello Worlds¶

To illustrate the api and how it works across different data storage systems, here is Hello World in various datastores. Note the common code.

Hello Dict¶

>>> import datastore.core
>>>
>>> ds = datastore.DictDatastore()
>>>
>>> hello = datastore.Key('hello')
>>> ds.put(hello, 'world')
>>> ds.contains(hello)
True
>>> ds.get(hello)
'world'
>>> ds.delete(hello)
>>> ds.get(hello)
None

Hello filesystem¶

>>> import datastore.filesystem
>>>
>>> ds = datastore.filesystem.FileSystemDatastore('/tmp/.test_datastore')
>>>
>>> hello = datastore.Key('hello')
>>> ds.put(hello, 'world')
>>> ds.contains(hello)
True
>>> ds.get(hello)
'world'
>>> ds.delete(hello)
>>> ds.get(hello)
None

Hello Serialization¶

>>> import datastore.core
>>> import json
>>>
>>> ds_child = datastore.DictDatastore()
>>> ds = datastore.serialize.shim(ds_child, json)
>>>
>>> hello = datastore.Key('hello')
>>> ds.put(hello, 'world')
>>> ds.contains(hello)
True
>>> ds.get(hello)
'world'
>>> ds.delete(hello)
>>> ds.get(hello)
None

Hello Tiered Access¶

>>> import pymongo
>>> import datastore.core
>>>
>>> from datastore.mongo import MongoDatastore
>>> from datastore.pylru import LRUCacheDatastore
>>> from datastore.filesystem import FileSystemDatastore
>>>
>>> conn = pymongo.Connection()
>>> mongo = MongoDatastore(conn.test_db)
>>>
>>> cache = LRUCacheDatastore(1000)
>>> fs = FileSystemDatastore('/tmp/.test_db')
>>>
>>> ds = datastore.TieredDatastore([cache, mongo, fs])
>>>
>>> hello = datastore.Key('hello')
>>> ds.put(hello, 'world')
>>> ds.contains(hello)
True
>>> ds.get(hello)
'world'
>>> ds.delete(hello)
>>> ds.get(hello)
None

Hello Sharding¶

>>> import datastore.core
>>>
>>> shards = [datastore.DictDatastore() for i in range(0, 10)]
>>>
>>> ds = datastore.ShardedDatastore(shards)
>>>
>>> hello = datastore.Key('hello')
>>> ds.put(hello, 'world')
>>> ds.contains(hello)
True
>>> ds.get(hello)
'world'
>>> ds.delete(hello)
>>> ds.get(hello)
None



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- simple, unified API for multiple data stores","datastore Package","Collections","Core datastore API","datastore.filesystem","Keys","Basic Datastores","datastore","Shims","datastore.core","datastore.core.util","Serialize"],objnames:{"0":["py","module","Python module"],"1":["py","method","Python method"],"2":["py","class","Python class"],"3":["py","function","Python function"],"4":["py","attribute","Python attribute"],"5":["py","classmethod","Python class method"],"6":["py","staticmethod","Python static method"]},filenames:["api/query","index","package/datastore","api/collections","api/index","package/datastore.filesystem","api/key","api/basic","package/modules","api/shims","package/datastore.core","package/datastore.util","api/serialize"]})PKá%ÛB€ß'PE¡E¡datastore-latest/genindex.html Index — datastore 0.3.0 documentation

Index

A | C | D | E | F | G | I | K | L | M | N | O | P | Q | R | S | T | V

A

appendDatastore() (datastore.core.basic.DatastoreCollection method)
apply_filter() (datastore.core.query.Cursor method)
apply_limit() (datastore.core.query.Cursor method)
apply_offset() (datastore.core.query.Cursor method)
apply_order() (datastore.core.query.Cursor method)

C

CacheShimDatastore (class in datastore.core.basic)
chain_gen() (in module datastore.core.query)
child() (datastore.core.key.Key method)
conditional_operators (datastore.core.query.Filter attribute)
contains() (datastore.core.basic.CacheShimDatastore method)
(datastore.core.basic.Datastore method)
(datastore.core.basic.DictDatastore method)
(datastore.core.basic.KeyTransformDatastore method)
(datastore.core.basic.LoggingDatastore method)
(datastore.core.basic.ShardedDatastore method)
(datastore.core.basic.TieredDatastore method)
(datastore.filesystem.FileSystemDatastore method)
copy() (datastore.core.query.Query method)
Cursor (class in datastore.core.query)

D

Datastore (class in datastore.core.basic)
datastore() (datastore.core.basic.DatastoreCollection method)
datastore.core.__init__ (module)
datastore.core.basic (module)
datastore.core.key (module)
datastore.core.query (module)
datastore.core.serialize (module)
datastore.filesystem (module)
DatastoreCollection (class in datastore.core.basic)
delete() (datastore.core.basic.CacheShimDatastore method)
(datastore.core.basic.Datastore method)
(datastore.core.basic.DictDatastore method)
(datastore.core.basic.DirectoryDatastore method)
(datastore.core.basic.InterfaceMappingDatastore method)
(datastore.core.basic.KeyTransformDatastore method)
(datastore.core.basic.LoggingDatastore method)
(datastore.core.basic.NullDatastore method)
(datastore.core.basic.ShardedDatastore method)
(datastore.core.basic.ShimDatastore method)
(datastore.core.basic.TieredDatastore method)
(datastore.filesystem.FileSystemDatastore method)
deserialized_gen() (in module datastore.core.serialize)
deserializedValue() (datastore.core.serialize.SerializerShimDatastore method)
dict() (datastore.core.query.Query method)
DictDatastore (class in datastore.core.basic)
directory() (datastore.core.basic.DirectoryDatastore method)
directory_values_generator() (datastore.core.basic.DirectoryDatastore method)
DirectoryDatastore (class in datastore.core.basic)
dumps() (datastore.core.serialize.map_serializer class method)
(datastore.core.serialize.NonSerializer class method)
(datastore.core.serialize.Serializer class method)
(datastore.core.serialize.Stack method)
(datastore.core.serialize.prettyjson class method)

E

ensure_directory_exists() (in module datastore.filesystem)

F

field (datastore.core.key.Namespace attribute)
FileSystemDatastore (class in datastore.filesystem)
Filter (class in datastore.core.query)
filter() (datastore.core.query.Filter class method)
(datastore.core.query.Query method)
from_dict() (datastore.core.query.Query class method)

G

generator() (datastore.core.query.Filter method)
get() (datastore.core.basic.CacheShimDatastore method)
(datastore.core.basic.Datastore method)
(datastore.core.basic.DictDatastore method)
(datastore.core.basic.InterfaceMappingDatastore method)
(datastore.core.basic.KeyTransformDatastore method)
(datastore.core.basic.LoggingDatastore method)
(datastore.core.basic.NullDatastore method)
(datastore.core.basic.ShardedDatastore method)
(datastore.core.basic.ShimDatastore method)
(datastore.core.basic.SymlinkDatastore method)
(datastore.core.basic.TieredDatastore method)
(datastore.core.serialize.SerializerShimDatastore method)
(datastore.filesystem.FileSystemDatastore method)

I

ignore_list (datastore.filesystem.FileSystemDatastore attribute)
implements_serializer_interface() (datastore.core.serialize.Serializer static method)
insertDatastore() (datastore.core.basic.DatastoreCollection method)
instance() (datastore.core.key.Key method)
InterfaceMappingDatastore (class in datastore.core.basic)
is_iterable() (in module datastore.core.query)
isAncestorOf() (datastore.core.key.Key method)
isAscending() (datastore.core.query.Order method)
isDescendantOf() (datastore.core.key.Key method)
isDescending() (datastore.core.query.Order method)
isTopLevel() (datastore.core.key.Key method)

K

Key (class in datastore.core.key)
keyfn() (datastore.core.query.Order method)
KeyTransformDatastore (class in datastore.core.basic)

L

limit_gen() (in module datastore.core.query)
link() (datastore.core.basic.SymlinkDatastore method)
list (datastore.core.key.Key attribute)
loads() (datastore.core.serialize.map_serializer class method)
(datastore.core.serialize.NonSerializer class method)
(datastore.core.serialize.Serializer class method)
(datastore.core.serialize.Stack method)
(datastore.core.serialize.prettyjson class method)
LoggingDatastore (class in datastore.core.basic)
lowercaseKey() (datastore.core.basic.LowercaseKeyDatastore class method)
LowercaseKeyDatastore (class in datastore.core.basic)

M

map_serializer (class in datastore.core.serialize)
monkey_patch_bson() (in module datastore.core.serialize)
multipleOrderComparison() (datastore.core.query.Order class method)

N

name (datastore.core.key.Key attribute)
Namespace (class in datastore.core.key)
namespace_delimiter (datastore.core.key.Namespace attribute)
NamespaceDatastore (class in datastore.core.basic)
namespaceKey() (datastore.core.basic.NamespaceDatastore method)
namespaces (datastore.core.key.Key attribute)
nestedPath() (datastore.core.basic.NestedPathDatastore static method)
NestedPathDatastore (class in datastore.core.basic)
nestKey() (datastore.core.basic.NestedPathDatastore method)
next() (datastore.core.query.Cursor method)
NonSerializer (class in datastore.core.serialize)
NullDatastore (class in datastore.core.basic)

O

object_extension (datastore.filesystem.FileSystemDatastore attribute)
object_getattr() (datastore.core.query.Filter static method)
(datastore.core.query.Order static method)
(datastore.core.query.Query static method)
object_path() (datastore.filesystem.FileSystemDatastore method)
offset_gen() (in module datastore.core.query)
Order (class in datastore.core.query)
order() (datastore.core.query.Query method)
order_operators (datastore.core.query.Order attribute)

P

parent (datastore.core.key.Key attribute)
path (datastore.core.key.Key attribute)
path() (datastore.filesystem.FileSystemDatastore method)
prettyjson (class in datastore.core.serialize)
put() (datastore.core.basic.CacheShimDatastore method)
(datastore.core.basic.Datastore method)
(datastore.core.basic.DictDatastore method)
(datastore.core.basic.DirectoryDatastore method)
(datastore.core.basic.InterfaceMappingDatastore method)
(datastore.core.basic.KeyTransformDatastore method)
(datastore.core.basic.LoggingDatastore method)
(datastore.core.basic.NullDatastore method)
(datastore.core.basic.ShardedDatastore method)
(datastore.core.basic.ShimDatastore method)
(datastore.core.basic.SymlinkDatastore method)
(datastore.core.basic.TieredDatastore method)
(datastore.core.serialize.SerializerShimDatastore method)
(datastore.filesystem.FileSystemDatastore method)

Q

Query (class in datastore.core.query)
query (datastore.core.query.Cursor attribute)
query() (datastore.core.basic.Datastore method)
(datastore.core.basic.DictDatastore method)
(datastore.core.basic.DirectoryDatastore method)
(datastore.core.basic.KeyTransformDatastore method)
(datastore.core.basic.LoggingDatastore method)
(datastore.core.basic.NestedPathDatastore method)
(datastore.core.basic.NullDatastore method)
(datastore.core.basic.ShardedDatastore method)
(datastore.core.basic.ShimDatastore method)
(datastore.core.basic.SymlinkDatastore method)
(datastore.core.basic.TieredDatastore method)
(datastore.core.serialize.SerializerShimDatastore method)
(datastore.filesystem.FileSystemDatastore method)

R

randomKey() (datastore.core.key.Key class method)
relative_object_path() (datastore.filesystem.FileSystemDatastore method)
relative_path() (datastore.filesystem.FileSystemDatastore method)
removeDatastore() (datastore.core.basic.DatastoreCollection method)
removeDuplicateSlashes() (datastore.core.key.Key class method)
returned (datastore.core.query.Cursor attribute)
reverse (datastore.core.key.Key attribute)

S

sentinel (datastore.core.basic.SymlinkDatastore attribute)
(datastore.core.serialize.map_serializer attribute)
serialized_gen() (in module datastore.core.serialize)
serializedValue() (datastore.core.serialize.SerializerShimDatastore method)
Serializer (class in datastore.core.serialize)
serializer (datastore.core.serialize.SerializerShimDatastore attribute)
SerializerShimDatastore (class in datastore.core.serialize)
shard() (datastore.core.basic.ShardedDatastore method)
shard_query_generator() (datastore.core.basic.ShardedDatastore method)
shardDatastore() (datastore.core.basic.ShardedDatastore method)
ShardedDatastore (class in datastore.core.basic)
shim() (in module datastore.core.serialize)
ShimDatastore (class in datastore.core.basic)
skipped (datastore.core.query.Cursor attribute)
sorted() (datastore.core.query.Order class method)
Stack (class in datastore.core.serialize)
SymlinkDatastore (class in datastore.core.basic)

T

TieredDatastore (class in datastore.core.basic)
type (datastore.core.key.Key attribute)

V

value (datastore.core.key.Namespace attribute)
valuePasses() (datastore.core.query.Filter method)

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PKá%ÛBL•~²æædatastore-latest/.buildinfo# Sphinx build info version 1 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done. config: 638a687a45a138637c3b67699e921bc6 tags: fbb0d17656682115ca4d033fb2f83ba1 PKá%ÛBŠÓO®éédatastore-latest/objects.inv# Sphinx inventory version 2 # Project: datastore # Version: 0.3 # The remainder of this file is compressed using zlib. xÚ½[KoÛ8¾çWØ\í¶×Þ‚ MÓö*ÐÒØbC‘Z’ÊFûëwô~ú•íÅ–)iHçñÍÃÐRGð¾r>úªÄÔjýeu¨G7±OÔ«oÅõMb¢™GÓ|ÝܨŸþa¢LAý’HåÚ•BÉaø&ÞúÔÞªÞ½]m›†ñð•j¬žg[=ð,PNó ùtlH‡ÜNê­þvuo,¬"á…óÅÕÝó·’úßØúåpóê/ü!¡œd¥ ôÒh7}«w³›¶ª˜ËdæÍr¸eVñã¦]ë&,>:n§ùפ:‹Ï«T„¯È¨O£‡KBÕCëÛÕzL+¤–>Hí„“!â”éTªÓ$ÑÙK.w’3tº/âÑf AôÐÞ‹@¯Ž|l¢Õ—“«=¶ÌÍŸx¹-/;Ú”ðò ‚TøøÌãÝÁƒ´(ÊÆæí<åP ç®Z{ä‹ÛçÉüÒ_g3Ø)2$1o0XøG'©lC ©´¨©}¦Ëi8P4~Jº’%Â{+w é 'R芠ÜS±°‡éìù‰³Øtw.~äÀx¬4ÍZÓM"Ò ýeñ†öR£a>Ëò ˜€Çê‘æ¾üjuå£kšHFIã±Õ–•Ÿ{k’ ’¡§lú̪/‚+l[è9¬¢ŠØäÅ íöÆöVÞy©ˆ§™§k¯’ âŠq;cŽ#C|”<Á-À‹:aÑpZ7¡2xÆE£oz›'Jêמ'Û­YàCÒ©Y%C†o¹¹!üiŠŽe)ð@XhÏ’·;>iv‚tsÔè žud’ï“]]ÅÀûÌ:c7xÌ*Ì~ïXÎw`èyE†J®C%OFo;PeIêÈL­{/Šó¡wW{³ fi†8Ñu,éø1œ oDk}Ê«r"Îí`Á$S»Ü~$> [‡¹o”—D4šÀÒ³¢F6½æpà÷XO™R ˜ ÿÏþ—ܸŸ§ÀتØÕŸI+Ír,Æå(v!‹ÖÈF“Ö?ðAíQ¶†³ŸD߃ ³0xš¢¢: 9c!9N}1E… xÞÚëhÉ utÄ"¯G]Íè‘%Ö®}¸ÙýF6 {}¡Y‡W2dÐÞ9”0è‹ž…;h«?Õ‹O4—G#>˜3‰QjÁûü·+r,Þpp>îU¢ìGDØKj¶Hþ‡q°s†¨²ýÔ^hÒœf2€>+ùÃcŒöhþ ¨+iÕ]0Sza|wq^g c?ÆóÞt ]f!ˆÀ»tÞÚ VÜæ&à ¬£‚Œ†ZKQ1k‡öTÄ‚Æ ‚+‘=gú™Ë$â\°ÑÙÐœ<ª‘:äJx|³ †©6f]räuf2qeq`årÉêññ2YœLR hïz•Ä@6Ë c¹Y“BéG¼(ã{Í(Ød_ÜZHÞôΨäˉç*ŒÄåÏ'Aɶ¸Z¾tD©;4ÄØšK÷bÒGô½Š3²x‰ùnˆeZr.9¢ ͱ§9¨Í}»b,™i5ã —÷l9”¡Ía(P× MYªd(_SY S½€‰f|Xj¥ð×ÍU€¢\À*¦"Öt5™A]SW¾’­Ýr•'i? %˜¢ži„\ ¬ËKæëR|1]œêV1²õwŸdÊKDãå¯{“¤Âʾ£›¢S{©–Ïúìà݃vu¹ïóŠ zôWSˆaíXU›-KzŒ\Ž‰‚y*¡®š^¸j.´{ào¨áÈ9 |$9¹x²=¾Ö¸e»ä7]b³¬tº€±aãÔt\Å)žV¸ ÙoÍEÒ³þ³ céœËÕÍbðÄ=?ÇSò½Ìã‘õïô4§ù}-3¶mÊh™‚j5FÇn]3sE9® xõ3rqÞ3]lÇ%.U0ö²?ç\cð×0oÂì·ˆ°È™’)WÇ$ A$ c&[‹×øχ¤@£-_5°¥÷¥{¾cMd¬øÅŸ‘]þW‡+*ËÒÝéŠ?÷La,_7ಽÝ\ù×±‰fIÜM‚P–n­:bÁgV“;vúè¸ù»RLJf]:ŒØ§U Python Module Index — datastore 0.3.0 documentation

Python Module Index

d
 
d
datastore
    datastore.core.__init__
    datastore.core.basic
    datastore.core.key
    datastore.core.query
    datastore.core.serialize
    datastore.filesystem

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  • No comments yet.
  • '); ul.data('empty', true); } else { // If there are comments, sort them and put them in the list. var comments = sortComments(data.comments); speed = data.comments.length * 100; appendComments(comments, ul); ul.data('empty', false); } $('#cn' + id).slideUp(speed + 200); ul.slideDown(speed); }, error: function(request, textStatus, error) { showError('Oops, there was a problem retrieving the comments.'); }, dataType: 'json' }); } /** * Add a comment via ajax and insert the comment into the comment tree. */ function addComment(form) { var node_id = form.find('input[name="node"]').val(); var parent_id = form.find('input[name="parent"]').val(); var text = form.find('textarea[name="comment"]').val(); var proposal = form.find('textarea[name="proposal"]').val(); if (text == '') { showError('Please enter a comment.'); return; } // Disable the form that is being submitted. form.find('textarea,input').attr('disabled', 'disabled'); // Send the comment to the server. $.ajax({ type: "POST", url: opts.addCommentURL, dataType: 'json', data: { node: node_id, parent: parent_id, text: text, proposal: proposal }, success: function(data, textStatus, error) { // Reset the form. if (node_id) { hideProposeChange(node_id); } form.find('textarea') .val('') .add(form.find('input')) .removeAttr('disabled'); var ul = $('#cl' + (node_id || parent_id)); if (ul.data('empty')) { $(ul).empty(); ul.data('empty', false); } insertComment(data.comment); var ao = $('#ao' + node_id); ao.find('img').attr({'src': opts.commentBrightImage}); if (node_id) { // if this was a "root" comment, remove the commenting box // (the user can get it back by reopening the comment popup) $('#ca' + node_id).slideUp(); } }, error: function(request, textStatus, error) { form.find('textarea,input').removeAttr('disabled'); showError('Oops, there was a problem adding the comment.'); } }); } /** * Recursively append comments to the main comment list and children * lists, creating the comment tree. */ function appendComments(comments, ul) { $.each(comments, function() { var div = createCommentDiv(this); ul.append($(document.createElement('li')).html(div)); appendComments(this.children, div.find('ul.comment-children')); // To avoid stagnating data, don't store the comments children in data. this.children = null; div.data('comment', this); }); } /** * After adding a new comment, it must be inserted in the correct * location in the comment tree. */ function insertComment(comment) { var div = createCommentDiv(comment); // To avoid stagnating data, don't store the comments children in data. comment.children = null; div.data('comment', comment); var ul = $('#cl' + (comment.node || comment.parent)); var siblings = getChildren(ul); var li = $(document.createElement('li')); li.hide(); // Determine where in the parents children list to insert this comment. for(i=0; i < siblings.length; i++) { if (comp(comment, siblings[i]) <= 0) { $('#cd' + siblings[i].id) .parent() .before(li.html(div)); li.slideDown('fast'); return; } } // If we get here, this comment rates lower than all the others, // or it is the only comment in the list. ul.append(li.html(div)); li.slideDown('fast'); } function acceptComment(id) { $.ajax({ type: 'POST', url: opts.acceptCommentURL, data: {id: id}, success: function(data, textStatus, request) { $('#cm' + id).fadeOut('fast'); $('#cd' + id).removeClass('moderate'); }, error: function(request, textStatus, error) { showError('Oops, there was a problem accepting the comment.'); } }); } function deleteComment(id) { $.ajax({ type: 'POST', url: opts.deleteCommentURL, data: {id: id}, success: function(data, textStatus, request) { var div = $('#cd' + id); if (data == 'delete') { // Moderator mode: remove the comment and all children immediately div.slideUp('fast', function() { div.remove(); }); return; } // User mode: only mark the comment as deleted div .find('span.user-id:first') .text('[deleted]').end() .find('div.comment-text:first') .text('[deleted]').end() .find('#cm' + id + ', #dc' + id + ', #ac' + id + ', #rc' + id + ', #sp' + id + ', #hp' + id + ', #cr' + id + ', #rl' + id) .remove(); var comment = div.data('comment'); comment.username = '[deleted]'; comment.text = '[deleted]'; div.data('comment', comment); }, error: function(request, textStatus, error) { showError('Oops, there was a problem deleting the comment.'); } }); } function showProposal(id) { $('#sp' + id).hide(); $('#hp' + id).show(); $('#pr' + id).slideDown('fast'); } function hideProposal(id) { $('#hp' + id).hide(); $('#sp' + id).show(); $('#pr' + id).slideUp('fast'); } function showProposeChange(id) { $('#pc' + id).hide(); $('#hc' + id).show(); var textarea = $('#pt' + id); textarea.val(textarea.data('source')); $.fn.autogrow.resize(textarea[0]); textarea.slideDown('fast'); } function hideProposeChange(id) { $('#hc' + id).hide(); $('#pc' + id).show(); var textarea = $('#pt' + id); textarea.val('').removeAttr('disabled'); textarea.slideUp('fast'); } function toggleCommentMarkupBox(id) { $('#mb' + id).toggle(); } /** Handle when the user clicks on a sort by link. */ function handleReSort(link) { var classes = link.attr('class').split(/\s+/); for (var i=0; iThank you! Your comment will show up ' + 'once it is has been approved by a moderator.'); } // Prettify the comment rating. comment.pretty_rating = comment.rating + ' point' + (comment.rating == 1 ? '' : 's'); // Make a class (for displaying not yet moderated comments differently) comment.css_class = comment.displayed ? '' : ' moderate'; // Create a div for this comment. var context = $.extend({}, opts, comment); var div = $(renderTemplate(commentTemplate, context)); // If the user has voted on this comment, highlight the correct arrow. if (comment.vote) { var direction = (comment.vote == 1) ? 'u' : 'd'; div.find('#' + direction + 'v' + comment.id).hide(); div.find('#' + direction + 'u' + comment.id).show(); } if (opts.moderator || comment.text != '[deleted]') { div.find('a.reply').show(); if (comment.proposal_diff) div.find('#sp' + comment.id).show(); if (opts.moderator && !comment.displayed) div.find('#cm' + comment.id).show(); if (opts.moderator || (opts.username == comment.username)) div.find('#dc' + comment.id).show(); } return div; } /** * A simple template renderer. Placeholders such as <%id%> are replaced * by context['id'] with items being escaped. 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'' : 's'); var image = count > 0 ? opts.commentBrightImage : opts.commentImage; var addcls = count == 0 ? ' nocomment' : ''; $(this) .append( $(document.createElement('a')).attr({ href: '#', 'class': 'sphinx-comment-open' + addcls, id: 'ao' + id }) .append($(document.createElement('img')).attr({ src: image, alt: 'comment', title: title })) .click(function(event) { event.preventDefault(); show($(this).attr('id').substring(2)); }) ) .append( $(document.createElement('a')).attr({ href: '#', 'class': 'sphinx-comment-close hidden', id: 'ah' + id }) .append($(document.createElement('img')).attr({ src: opts.closeCommentImage, alt: 'close', title: 'close' })) .click(function(event) { event.preventDefault(); hide($(this).attr('id').substring(2)); }) ); }); }; var opts = { processVoteURL: '/_process_vote', addCommentURL: '/_add_comment', getCommentsURL: '/_get_comments', acceptCommentURL: '/_accept_comment', deleteCommentURL: '/_delete_comment', commentImage: '/static/_static/comment.png', closeCommentImage: '/static/_static/comment-close.png', loadingImage: '/static/_static/ajax-loader.gif', commentBrightImage: '/static/_static/comment-bright.png', upArrow: '/static/_static/up.png', downArrow: '/static/_static/down.png', upArrowPressed: '/static/_static/up-pressed.png', downArrowPressed: '/static/_static/down-pressed.png', voting: false, moderator: false }; if (typeof COMMENT_OPTIONS != "undefined") { opts = jQuery.extend(opts, COMMENT_OPTIONS); } var popupTemplate = '\
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width: 100%; } div.sphinxsidebar, div.related, div.footer, #top-link { display: none; } }PKØ%ÛBü¹× ¸¸$datastore-latest/_static/doctools.js/* * doctools.js * ~~~~~~~~~~~ * * Sphinx JavaScript utilities for all documentation. * * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */ /** * select a different prefix for underscore */ $u = _.noConflict(); /** * make the code below compatible with browsers without * an installed firebug like debugger if (!window.console || !console.firebug) { var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"]; window.console = {}; for (var i = 0; i < names.length; ++i) window.console[names[i]] = function() {}; } */ /** * small helper function to urldecode strings */ jQuery.urldecode = function(x) { return decodeURIComponent(x).replace(/\+/g, ' '); } /** * small helper function to urlencode strings */ jQuery.urlencode = encodeURIComponent; 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0 : 1; }, LOCALE : 'unknown', // gettext and ngettext don't access this so that the functions // can safely bound to a different name (_ = Documentation.gettext) gettext : function(string) { var translated = Documentation.TRANSLATIONS[string]; if (typeof translated == 'undefined') return string; return (typeof translated == 'string') ? translated : translated[0]; }, ngettext : function(singular, plural, n) { var translated = Documentation.TRANSLATIONS[singular]; if (typeof translated == 'undefined') return (n == 1) ? singular : plural; return translated[Documentation.PLURALEXPR(n)]; }, addTranslations : function(catalog) { for (var key in catalog.messages) this.TRANSLATIONS[key] = catalog.messages[key]; this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')'); this.LOCALE = catalog.locale; }, /** * add context elements like header anchor links */ addContextElements : function() { $('div[id] > :header:first').each(function() { $('\u00B6'). attr('href', '#' + this.id). attr('title', _('Permalink to this headline')). appendTo(this); }); $('dt[id]').each(function() { $('\u00B6'). attr('href', '#' + this.id). attr('title', _('Permalink to this definition')). appendTo(this); }); }, /** * workaround a firefox stupidity */ fixFirefoxAnchorBug : function() { if (document.location.hash && $.browser.mozilla) window.setTimeout(function() { document.location.href += ''; }, 10); }, /** * highlight the search words provided in the url in the text */ highlightSearchWords : function() { var params = $.getQueryParameters(); var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : []; if (terms.length) { var body = $('div.body'); window.setTimeout(function() { $.each(terms, function() { body.highlightText(this.toLowerCase(), 'highlighted'); }); }, 10); $('') .appendTo($('#searchbox')); } }, /** * init the domain index toggle buttons */ initIndexTable : function() { var togglers = $('img.toggler').click(function() { var src = $(this).attr('src'); var idnum = $(this).attr('id').substr(7); $('tr.cg-' + idnum).toggle(); if (src.substr(-9) == 'minus.png') $(this).attr('src', src.substr(0, src.length-9) + 'plus.png'); else $(this).attr('src', src.substr(0, src.length-8) + 'minus.png'); }).css('display', ''); if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) { togglers.click(); } }, /** * helper function to hide the search marks again */ hideSearchWords : function() { $('#searchbox .highlight-link').fadeOut(300); $('span.highlighted').removeClass('highlighted'); }, /** * make the url absolute */ makeURL : function(relativeURL) { return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL; }, /** * get the current relative url */ getCurrentURL : function() { var path = document.location.pathname; var parts = path.split(/\//); $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() { if (this == '..') parts.pop(); }); var url = parts.join('/'); return path.substring(url.lastIndexOf('/') + 1, path.length - 1); } }; // quick alias for translations _ = Documentation.gettext; $(document).ready(function() { Documentation.init(); }); PKg€ÚBÔ§j=j= datastore-latest/_static/rtd.css/* * rtd.css * ~~~~~~~~~~~~~~~ * * Sphinx stylesheet -- sphinxdoc theme. 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color: inherit !important; } /* SIDEBAR ---------------------------------------------------------------- */ div.sphinxsidebarwrapper { padding: 0; } div.sphinxsidebar { margin: 0; margin-left: -100%; float: left; top: 3em; left: 0; padding: 0 1em; width: 14em; font-size: 1em; text-align: left; background-color: #e8ecef; } div.sphinxsidebar img { max-width: 12em; } div.sphinxsidebar h3, div.sphinxsidebar h4, div.sphinxsidebar p.logo { margin: 1.2em 0 0.3em 0; font-size: 1em; padding: 0; color: #222222; font-family: "ff-meta-web-pro-1", "ff-meta-web-pro-2", "Arial", "Helvetica Neue", sans-serif; } div.sphinxsidebar h3 a { color: #444444; } div.sphinxsidebar ul, div.sphinxsidebar p { margin-top: 0; padding-left: 0; line-height: 130%; background-color: #e8ecef; } /* No bullets for nested lists, but a little extra indentation */ div.sphinxsidebar ul ul { list-style-type: none; margin-left: 1.5em; padding: 0; } /* A little top/bottom padding to prevent adjacent links' borders * from overlapping each other */ div.sphinxsidebar ul li { padding: 1px 0; 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text-decoration: none; border: 1px solid #888; } div.sphinxsidebar p.logo a { border: 0; } /* Tweak any link appearing in a heading */ div.sphinxsidebar h3 a { } /* OTHER STUFF ------------------------------------------------------------ */ cite, code, tt { font-family: 'Consolas', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace; font-size: 0.95em; letter-spacing: 0.01em; } tt { background-color: #f2f2f2; color: #444; } tt.descname, tt.descclassname, tt.xref { border: 0; } hr { border: 1px solid #abc; margin: 2em; } pre, #_fontwidthtest { font-family: 'Consolas', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace; margin: 1em 2em; font-size: 0.95em; letter-spacing: 0.015em; line-height: 120%; padding: 0.5em; border: 1px solid #ccc; background-color: #eee; border-radius: 6px; -moz-border-radius: 6px; -webkit-border-radius: 6px; } pre a { color: inherit; text-decoration: underline; } td.linenos pre { margin: 1em 0em; } td.code pre { margin: 1em 0em; } div.quotebar { background-color: #f8f8f8; max-width: 250px; float: right; padding: 2px 7px; border: 1px solid #ccc; } div.topic { background-color: #f8f8f8; } table { border-collapse: collapse; margin: 0 -0.5em 0 -0.5em; } table td, table th { padding: 0.2em 0.5em 0.2em 0.5em; } /* ADMONITIONS AND WARNINGS ------------------------------------------------- */ /* Shared by admonitions, warnings and sidebars */ div.admonition, div.warning, div.sidebar { font-size: 0.9em; margin: 2em; padding: 0; /* border-radius: 6px; -moz-border-radius: 6px; -webkit-border-radius: 6px; */ } div.admonition p, div.warning p, div.sidebar p { margin: 0.5em 1em 0.5em 1em; padding: 0; } div.admonition pre, div.warning pre, div.sidebar pre { margin: 0.4em 1em 0.4em 1em; } div.admonition p.admonition-title, div.warning p.admonition-title, div.sidebar p.sidebar-title { margin: 0; padding: 0.1em 0 0.1em 0.5em; color: white; font-weight: bold; font-size: 1.1em; text-shadow: 0 1px rgba(0, 0, 0, 0.5); } div.admonition ul, div.admonition ol, div.warning ul, div.warning ol, div.sidebar ul, div.sidebar ol { margin: 0.1em 0.5em 0.5em 3em; padding: 0; } /* Admonitions and sidebars only */ div.admonition, div.sidebar { border: 1px solid #609060; background-color: #e9ffe9; } div.admonition p.admonition-title, div.sidebar p.sidebar-title { background-color: #70A070; border-bottom: 1px solid #609060; } /* Warnings only */ div.warning { border: 1px solid #900000; background-color: #ffe9e9; } div.warning p.admonition-title { background-color: #b04040; border-bottom: 1px solid #900000; } /* Sidebars only */ div.sidebar { max-width: 30%; } div.versioninfo { margin: 1em 0 0 0; border: 1px solid #ccc; background-color: #DDEAF0; padding: 8px; line-height: 1.3em; font-size: 0.9em; } .viewcode-back { font-family: 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva', 'Verdana', sans-serif; } div.viewcode-block:target { background-color: #f4debf; border-top: 1px solid #ac9; border-bottom: 1px solid #ac9; } dl { margin: 1em 0 2.5em 0; } dl dt { font-style: italic; } dl dd { color: rgb(68, 68, 68); font-size: 0.95em; } /* Highlight target when you click an internal link */ dt:target { background: #ffe080; } /* Don't highlight whole divs */ div.highlight { background: transparent; } /* But do highlight spans (so search results can be highlighted) */ span.highlight { background: #ffe080; } div.footer { background-color: #465158; color: #eeeeee; padding: 0 2em 2em 2em; clear: both; font-size: 0.8em; text-align: center; } p { margin: 0.8em 0 0.5em 0; } .section p img.math { margin: 0; } .section p img { margin: 1em 2em; } /* MOBILE LAYOUT -------------------------------------------------------------- */ @media screen and (max-width: 600px) { h1, h2, h3, h4, h5 { position: relative; } ul { padding-left: 1.25em; } div.bodywrapper a.headerlink, #indices-and-tables h1 a { color: #e6e6e6; font-size: 80%; float: right; line-height: 1.8; position: absolute; right: -0.7em; visibility: inherit; } div.bodywrapper h1 a.headerlink, #indices-and-tables h1 a { line-height: 1.5; } pre { font-size: 0.7em; overflow: auto; word-wrap: break-word; white-space: pre-wrap; } div.related ul { height: 2.5em; padding: 0; text-align: left; } div.related ul li { clear: both; color: #465158; padding: 0.2em 0; } div.related ul li:last-child { border-bottom: 1px dotted #8ca1af; padding-bottom: 0.4em; margin-bottom: 1em; width: 100%; } div.related ul li a { color: #465158; padding-right: 0; } div.related ul li a:hover { background: inherit; color: inherit; } div.related ul li.right { clear: none; padding: 0.65em 0; margin-bottom: 0.5em; } div.related ul li.right a { color: #fff; padding-right: 0.8em; } div.related ul li.right a:hover { background-color: #8ca1af; } div.body { clear: both; min-width: 0; word-wrap: break-word; } div.bodywrapper { margin: 0 0 0 0; } div.sphinxsidebar { float: none; margin: 0; width: auto; } div.sphinxsidebar input[type="text"] { height: 2em; line-height: 2em; width: 70%; } div.sphinxsidebar input[type="submit"] { height: 2em; margin-left: 0.5em; width: 20%; } div.sphinxsidebar p.searchtip { background: inherit; margin-bottom: 1em; } div.sphinxsidebar ul li, div.sphinxsidebar p.topless { white-space: normal; } .bodywrapper img { display: block; margin-left: auto; margin-right: auto; max-width: 100%; } div.documentwrapper { float: none; } div.admonition, div.warning, pre, blockquote { margin-left: 0em; margin-right: 0em; } .body p img { margin: 0; } #searchbox { background: transparent; } .related:not(:first-child) li { display: none; } .related:not(:first-child) li.right { display: block; } div.footer { padding: 1em; } .rtd_doc_footer .rtd-badge { float: none; margin: 1em auto; position: static; } .rtd_doc_footer .rtd-badge.revsys-inline { margin-right: auto; margin-bottom: 2em; } table.indextable { display: block; width: auto; } .indextable tr { display: block; } .indextable td { display: block; padding: 0; width: auto !important; } .indextable td dt { margin: 1em 0; } ul.search { margin-left: 0.25em; } ul.search li div.context { font-size: 90%; line-height: 1.1; margin-bottom: 1; margin-left: 0; } } PKá%ÛB:>«>«>'datastore-latest/_static/searchtools.js/* * searchtools.js_t * ~~~~~~~~~~~~~~~~ * * Sphinx JavaScript utilties for the full-text search. * * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */ /** * helper function to return a node containing the * search summary for a given text. keywords is a list * of stemmed words, hlwords is the list of normal, unstemmed * words. the first one is used to find the occurance, the * latter for highlighting it. */ jQuery.makeSearchSummary = function(text, keywords, hlwords) { var textLower = text.toLowerCase(); var start = 0; $.each(keywords, function() { var i = textLower.indexOf(this.toLowerCase()); if (i > -1) start = i; }); start = Math.max(start - 120, 0); var excerpt = ((start > 0) ? '...' : '') + $.trim(text.substr(start, 240)) + ((start + 240 - text.length) ? '...' : ''); var rv = $('
        ').text(excerpt); $.each(hlwords, function() { rv = rv.highlightText(this, 'highlighted'); }); return rv; } /** * Porter Stemmer */ var Stemmer = function() { var step2list = { ational: 'ate', tional: 'tion', enci: 'ence', anci: 'ance', izer: 'ize', bli: 'ble', alli: 'al', entli: 'ent', eli: 'e', ousli: 'ous', ization: 'ize', ation: 'ate', ator: 'ate', alism: 'al', iveness: 'ive', fulness: 'ful', ousness: 'ous', aliti: 'al', iviti: 'ive', biliti: 'ble', logi: 'log' }; var step3list = { icate: 'ic', ative: '', alize: 'al', iciti: 'ic', ical: 'ic', ful: '', ness: '' }; var c = "[^aeiou]"; // consonant var v = "[aeiouy]"; // vowel var C = c + "[^aeiouy]*"; // consonant sequence var V = v + "[aeiou]*"; // vowel sequence var mgr0 = "^(" + C + ")?" + V + C; // [C]VC... is m>0 var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$"; // [C]VC[V] is m=1 var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1 var s_v = "^(" + C + ")?" + v; // vowel in stem this.stemWord = function (w) { var stem; var suffix; var firstch; var origword = w; if (w.length < 3) return w; var re; var re2; var re3; var re4; firstch = w.substr(0,1); if (firstch == "y") w = firstch.toUpperCase() + w.substr(1); // Step 1a re = /^(.+?)(ss|i)es$/; re2 = /^(.+?)([^s])s$/; if (re.test(w)) w = w.replace(re,"$1$2"); else if (re2.test(w)) w = w.replace(re2,"$1$2"); // Step 1b re = /^(.+?)eed$/; re2 = /^(.+?)(ed|ing)$/; if (re.test(w)) { var fp = re.exec(w); re = new RegExp(mgr0); if (re.test(fp[1])) { re = /.$/; w = w.replace(re,""); } } else if (re2.test(w)) { var fp = re2.exec(w); stem = fp[1]; re2 = new RegExp(s_v); if (re2.test(stem)) { w = stem; re2 = /(at|bl|iz)$/; re3 = new RegExp("([^aeiouylsz])\\1$"); re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); if (re2.test(w)) w = w + "e"; else if (re3.test(w)) { re = /.$/; w = w.replace(re,""); } else if (re4.test(w)) w = w + "e"; } } // Step 1c re = /^(.+?)y$/; if (re.test(w)) { var fp = re.exec(w); stem = fp[1]; re = new RegExp(s_v); if (re.test(stem)) w = stem + "i"; } // Step 2 re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; if (re.test(w)) { var fp = re.exec(w); stem = fp[1]; suffix = fp[2]; re = new RegExp(mgr0); if (re.test(stem)) w = stem + step2list[suffix]; } // Step 3 re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; if (re.test(w)) { var fp = re.exec(w); stem = fp[1]; suffix = fp[2]; re = new RegExp(mgr0); if (re.test(stem)) w = stem + step3list[suffix]; } // Step 4 re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; re2 = /^(.+?)(s|t)(ion)$/; if (re.test(w)) { var fp = re.exec(w); stem = fp[1]; re = new RegExp(mgr1); if (re.test(stem)) w = stem; } else if (re2.test(w)) { var fp = re2.exec(w); stem = fp[1] + fp[2]; re2 = new RegExp(mgr1); if (re2.test(stem)) w = stem; } // Step 5 re = /^(.+?)e$/; if (re.test(w)) { var fp = re.exec(w); stem = fp[1]; re = new RegExp(mgr1); re2 = new RegExp(meq1); re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) w = stem; } re = /ll$/; re2 = new RegExp(mgr1); if (re.test(w) && re2.test(w)) { re = /.$/; w = w.replace(re,""); } // and turn initial Y back to y if (firstch == "y") w = firstch.toLowerCase() + w.substr(1); return w; } } /** * Search Module */ var Search = { _index : null, _queued_query : null, _pulse_status : -1, init : function() { var params = $.getQueryParameters(); if (params.q) { var query = params.q[0]; $('input[name="q"]')[0].value = query; this.performSearch(query); } }, loadIndex : function(url) { $.ajax({type: "GET", url: url, data: null, success: null, dataType: "script", cache: true}); }, setIndex : function(index) { var q; this._index = index; if ((q = this._queued_query) !== null) { this._queued_query = null; Search.query(q); } }, hasIndex : function() { return this._index !== null; }, deferQuery : function(query) { this._queued_query = query; }, stopPulse : function() { this._pulse_status = 0; }, startPulse : function() { if (this._pulse_status >= 0) return; function pulse() { Search._pulse_status = (Search._pulse_status + 1) % 4; var dotString = ''; for (var i = 0; i < Search._pulse_status; i++) dotString += '.'; Search.dots.text(dotString); if (Search._pulse_status > -1) window.setTimeout(pulse, 500); }; pulse(); }, /** * perform a search for something */ performSearch : function(query) { // create the required interface elements this.out = $('#search-results'); this.title = $('

        ' + _('Searching') + '

        ').appendTo(this.out); this.dots = $('').appendTo(this.title); this.status = $('

        ').appendTo(this.out); this.output = $('