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# -*-*- encoding: utf-8 -*-*-
#
# This is the base file for the PicasaWeb python client.
# It is used for lower level operations.
#
# $Id: __init__.py 148 2007-10-28 15:09:19Z havard.gulldahl $
#
# Copyright 2007 Håvard Gulldahl
# Portions (C) 2006 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This module provides a pythonic, gdata-centric interface to Google Photos
(a.k.a. Picasa Web Services.
It is modelled after the gdata/* interfaces from the gdata-python-client
project[1] by Google.
You'll find the user-friendly api in photos.service. Please see the
documentation or live help() system for available methods.
[1]: http://gdata-python-client.googlecode.com/
"""
__author__ = u'havard@gulldahl.no'# (Håvard Gulldahl)' #BUG: pydoc chokes on non-ascii chars in __author__
__license__ = 'Apache License v2'
__version__ = '$Revision: 164 $'[11:-2]
import re
try:
from xml.etree import cElementTree as ElementTree
except ImportError:
try:
import cElementTree as ElementTree
except ImportError:
try:
from xml.etree import ElementTree
except ImportError:
from elementtree import ElementTree
import atom
import gdata
# importing google photo submodules
import gdata.media as Media, gdata.exif as Exif, gdata.geo as Geo
# XML namespaces which are often used in Google Photo elements
PHOTOS_NAMESPACE = 'http://schemas.google.com/photos/2007'
MEDIA_NAMESPACE = 'http://search.yahoo.com/mrss/'
EXIF_NAMESPACE = 'http://schemas.google.com/photos/exif/2007'
OPENSEARCH_NAMESPACE = 'http://a9.com/-/spec/opensearchrss/1.0/'
GEO_NAMESPACE = 'http://www.w3.org/2003/01/geo/wgs84_pos#'
GML_NAMESPACE = 'http://www.opengis.net/gml'
GEORSS_NAMESPACE = 'http://www.georss.org/georss'
PHEED_NAMESPACE = 'http://www.pheed.com/pheed/'
BATCH_NAMESPACE = 'http://schemas.google.com/gdata/batch'
class PhotosBaseElement(atom.AtomBase):
"""Base class for elements in the PHOTO_NAMESPACE. To add new elements,
you only need to add the element tag name to self._tag
"""
_tag = ''
_namespace = PHOTOS_NAMESPACE
_children = atom.AtomBase._children.copy()
_attributes = atom.AtomBase._attributes.copy()
def __init__(self, name=None, extension_elements=None,
extension_attributes=None, text=None):
self.name = name
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
#def __str__(self):
#return str(self.text)
#def __unicode__(self):
#return unicode(self.text)
def __int__(self):
return int(self.text)
def bool(self):
return self.text == 'true'
class GPhotosBaseFeed(gdata.GDataFeed, gdata.LinkFinder):
"Base class for all Feeds in gdata.photos"
_tag = 'feed'
_namespace = atom.ATOM_NAMESPACE
_attributes = gdata.GDataFeed._attributes.copy()
_children = gdata.GDataFeed._children.copy()
# We deal with Entry elements ourselves
del _children['{%s}entry' % atom.ATOM_NAMESPACE]
def __init__(self, author=None, category=None, contributor=None,
generator=None, icon=None, atom_id=None, link=None, logo=None,
rights=None, subtitle=None, title=None, updated=None,
entry=None, total_results=None, start_index=None,
items_per_page=None, extension_elements=None,
extension_attributes=None, text=None):
gdata.GDataFeed.__init__(self, author=author, category=category,
contributor=contributor, generator=generator,
icon=icon, atom_id=atom_id, link=link,
logo=logo, rights=rights, subtitle=subtitle,
title=title, updated=updated, entry=entry,
total_results=total_results,
start_index=start_index,
items_per_page=items_per_page,
extension_elements=extension_elements,
extension_attributes=extension_attributes,
text=text)
def kind(self):
"(string) Returns the kind"
try:
return self.category[0].term.split('#')[1]
except IndexError:
return None
def _feedUri(self, kind):
"Convenience method to return a uri to a feed of a special kind"
assert(kind in ('album', 'tag', 'photo', 'comment', 'user'))
here_href = self.GetSelfLink().href
if 'kind=%s' % kind in here_href:
return here_href
if not 'kind=' in here_href:
sep = '?'
if '?' in here_href: sep = '&'
return here_href + "%skind=%s" % (sep, kind)
rx = re.match('.*(kind=)(album|tag|photo|comment)', here_href)
return here_href[:rx.end(1)] + kind + here_href[rx.end(2):]
def _ConvertElementTreeToMember(self, child_tree):
"""Re-implementing the method from AtomBase, since we deal with
Entry elements specially"""
category = child_tree.find('{%s}category' % atom.ATOM_NAMESPACE)
if category is None:
return atom.AtomBase._ConvertElementTreeToMember(self, child_tree)
namespace, kind = category.get('term').split('#')
if namespace != PHOTOS_NAMESPACE:
return atom.AtomBase._ConvertElementTreeToMember(self, child_tree)
## TODO: is it safe to use getattr on gdata.photos?
entry_class = getattr(gdata.photos, '%sEntry' % kind.title())
if not hasattr(self, 'entry') or self.entry is None:
self.entry = []
self.entry.append(atom._CreateClassFromElementTree(
entry_class, child_tree))
class GPhotosBaseEntry(gdata.GDataEntry, gdata.LinkFinder):
"Base class for all Entry elements in gdata.photos"
_tag = 'entry'
_kind = ''
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataEntry._children.copy()
_attributes = gdata.GDataEntry._attributes.copy()
def __init__(self, author=None, category=None, content=None,
atom_id=None, link=None, published=None,
title=None, updated=None,
extended_property=None,
extension_elements=None, extension_attributes=None, text=None):
gdata.GDataEntry.__init__(self, author=author, category=category,
content=content, atom_id=atom_id, link=link,
published=published, title=title,
updated=updated, text=text,
extension_elements=extension_elements,
extension_attributes=extension_attributes)
self.category.append(
atom.Category(scheme='http://schemas.google.com/g/2005#kind',
term = 'http://schemas.google.com/photos/2007#%s' % self._kind))
def kind(self):
"(string) Returns the kind"
try:
return self.category[0].term.split('#')[1]
except IndexError:
return None
def _feedUri(self, kind):
"Convenience method to get the uri to this entry's feed of the some kind"
try:
href = self.GetFeedLink().href
except AttributeError:
return None
sep = '?'
if '?' in href: sep = '&'
return '%s%skind=%s' % (href, sep, kind)
class PhotosBaseEntry(GPhotosBaseEntry):
pass
class PhotosBaseFeed(GPhotosBaseFeed):
pass
class GPhotosBaseData(object):
pass
class Access(PhotosBaseElement):
"""The Google Photo `Access' element.
The album's access level. Valid values are `public' or `private'.
In documentation, access level is also referred to as `visibility.'"""
_tag = 'access'
def AccessFromString(xml_string):
return atom.CreateClassFromXMLString(Access, xml_string)
class Albumid(PhotosBaseElement):
"The Google Photo `Albumid' element"
_tag = 'albumid'
def AlbumidFromString(xml_string):
return atom.CreateClassFromXMLString(Albumid, xml_string)
class BytesUsed(PhotosBaseElement):
"The Google Photo `BytesUsed' element"
_tag = 'bytesUsed'
def BytesUsedFromString(xml_string):
return atom.CreateClassFromXMLString(BytesUsed, xml_string)
class Client(PhotosBaseElement):
"The Google Photo `Client' element"
_tag = 'client'
def ClientFromString(xml_string):
return atom.CreateClassFromXMLString(Client, xml_string)
class Checksum(PhotosBaseElement):
"The Google Photo `Checksum' element"
_tag = 'checksum'
def ChecksumFromString(xml_string):
return atom.CreateClassFromXMLString(Checksum, xml_string)
class CommentCount(PhotosBaseElement):
"The Google Photo `CommentCount' element"
_tag = 'commentCount'
def CommentCountFromString(xml_string):
return atom.CreateClassFromXMLString(CommentCount, xml_string)
class CommentingEnabled(PhotosBaseElement):
"The Google Photo `CommentingEnabled' element"
_tag = 'commentingEnabled'
def CommentingEnabledFromString(xml_string):
return atom.CreateClassFromXMLString(CommentingEnabled, xml_string)
class Height(PhotosBaseElement):
"The Google Photo `Height' element"
_tag = 'height'
def HeightFromString(xml_string):
return atom.CreateClassFromXMLString(Height, xml_string)
class Id(PhotosBaseElement):
"The Google Photo `Id' element"
_tag = 'id'
def IdFromString(xml_string):
return atom.CreateClassFromXMLString(Id, xml_string)
class Location(PhotosBaseElement):
"The Google Photo `Location' element"
_tag = 'location'
def LocationFromString(xml_string):
return atom.CreateClassFromXMLString(Location, xml_string)
class MaxPhotosPerAlbum(PhotosBaseElement):
"The Google Photo `MaxPhotosPerAlbum' element"
_tag = 'maxPhotosPerAlbum'
def MaxPhotosPerAlbumFromString(xml_string):
return atom.CreateClassFromXMLString(MaxPhotosPerAlbum, xml_string)
class Name(PhotosBaseElement):
"The Google Photo `Name' element"
_tag = 'name'
def NameFromString(xml_string):
return atom.CreateClassFromXMLString(Name, xml_string)
class Nickname(PhotosBaseElement):
"The Google Photo `Nickname' element"
_tag = 'nickname'
def NicknameFromString(xml_string):
return atom.CreateClassFromXMLString(Nickname, xml_string)
class Numphotos(PhotosBaseElement):
"The Google Photo `Numphotos' element"
_tag = 'numphotos'
def NumphotosFromString(xml_string):
return atom.CreateClassFromXMLString(Numphotos, xml_string)
class Numphotosremaining(PhotosBaseElement):
"The Google Photo `Numphotosremaining' element"
_tag = 'numphotosremaining'
def NumphotosremainingFromString(xml_string):
return atom.CreateClassFromXMLString(Numphotosremaining, xml_string)
class Position(PhotosBaseElement):
"The Google Photo `Position' element"
_tag = 'position'
def PositionFromString(xml_string):
return atom.CreateClassFromXMLString(Position, xml_string)
class Photoid(PhotosBaseElement):
"The Google Photo `Photoid' element"
_tag = 'photoid'
def PhotoidFromString(xml_string):
return atom.CreateClassFromXMLString(Photoid, xml_string)
class Quotacurrent(PhotosBaseElement):
"The Google Photo `Quotacurrent' element"
_tag = 'quotacurrent'
def QuotacurrentFromString(xml_string):
return atom.CreateClassFromXMLString(Quotacurrent, xml_string)
class Quotalimit(PhotosBaseElement):
"The Google Photo `Quotalimit' element"
_tag = 'quotalimit'
def QuotalimitFromString(xml_string):
return atom.CreateClassFromXMLString(Quotalimit, xml_string)
class Rotation(PhotosBaseElement):
"The Google Photo `Rotation' element"
_tag = 'rotation'
def RotationFromString(xml_string):
return atom.CreateClassFromXMLString(Rotation, xml_string)
class Size(PhotosBaseElement):
"The Google Photo `Size' element"
_tag = 'size'
def SizeFromString(xml_string):
return atom.CreateClassFromXMLString(Size, xml_string)
class Snippet(PhotosBaseElement):
"""The Google Photo `snippet' element.
When searching, the snippet element will contain a
string with the word you're looking for, highlighted in html markup
E.g. when your query is `hafjell', this element may contain:
`... here at <b>Hafjell</b>.'
You'll find this element in searches -- that is, feeds that combine the
`kind=photo' and `q=yoursearch' parameters in the request.
See also gphoto:truncated and gphoto:snippettype.
"""
_tag = 'snippet'
def SnippetFromString(xml_string):
return atom.CreateClassFromXMLString(Snippet, xml_string)
class Snippettype(PhotosBaseElement):
"""The Google Photo `Snippettype' element
When searching, this element will tell you the type of element that matches.
You'll find this element in searches -- that is, feeds that combine the
`kind=photo' and `q=yoursearch' parameters in the request.
See also gphoto:snippet and gphoto:truncated.
Possible values and their interpretation:
o ALBUM_TITLE - The album title matches
o PHOTO_TAGS - The match is a tag/keyword
o PHOTO_DESCRIPTION - The match is in the photo's description
If you discover a value not listed here, please submit a patch to update this docstring.
"""
_tag = 'snippettype'
def SnippettypeFromString(xml_string):
return atom.CreateClassFromXMLString(Snippettype, xml_string)
class Thumbnail(PhotosBaseElement):
"""The Google Photo `Thumbnail' element
Used to display user's photo thumbnail (hackergotchi).
(Not to be confused with the <media:thumbnail> element, which gives you
small versions of the photo object.)"""
_tag = 'thumbnail'
def ThumbnailFromString(xml_string):
return atom.CreateClassFromXMLString(Thumbnail, xml_string)
class Timestamp(PhotosBaseElement):
"""The Google Photo `Timestamp' element
Represented as the number of milliseconds since January 1st, 1970.
Take a look at the convenience methods .isoformat() and .datetime():
photo_epoch = Time.text # 1180294337000
photo_isostring = Time.isoformat() # '2007-05-27T19:32:17.000Z'
Alternatively:
photo_datetime = Time.datetime() # (requires python >= 2.3)
"""
_tag = 'timestamp'
def isoformat(self):
"""(string) Return the timestamp as a ISO 8601 formatted string,
e.g. '2007-05-27T19:32:17.000Z'
"""
import time
epoch = float(self.text)/1000
return time.strftime('%Y-%m-%dT%H:%M:%S.000Z', time.gmtime(epoch))
def datetime(self):
"""(datetime.datetime) Return the timestamp as a datetime.datetime object
Requires python 2.3
"""
import datetime
epoch = float(self.text)/1000
return datetime.datetime.fromtimestamp(epoch)
def TimestampFromString(xml_string):
return atom.CreateClassFromXMLString(Timestamp, xml_string)
class Truncated(PhotosBaseElement):
"""The Google Photo `Truncated' element
You'll find this element in searches -- that is, feeds that combine the
`kind=photo' and `q=yoursearch' parameters in the request.
See also gphoto:snippet and gphoto:snippettype.
Possible values and their interpretation:
0 -- unknown
"""
_tag = 'Truncated'
def TruncatedFromString(xml_string):
return atom.CreateClassFromXMLString(Truncated, xml_string)
class User(PhotosBaseElement):
"The Google Photo `User' element"
_tag = 'user'
def UserFromString(xml_string):
return atom.CreateClassFromXMLString(User, xml_string)
class Version(PhotosBaseElement):
"The Google Photo `Version' element"
_tag = 'version'
def VersionFromString(xml_string):
return atom.CreateClassFromXMLString(Version, xml_string)
class Width(PhotosBaseElement):
"The Google Photo `Width' element"
_tag = 'width'
def WidthFromString(xml_string):
return atom.CreateClassFromXMLString(Width, xml_string)
class Weight(PhotosBaseElement):
"""The Google Photo `Weight' element.
The weight of the tag is the number of times the tag
appears in the collection of tags currently being viewed.
The default weight is 1, in which case this tags is omitted."""
_tag = 'weight'
def WeightFromString(xml_string):
return atom.CreateClassFromXMLString(Weight, xml_string)
class CommentAuthor(atom.Author):
"""The Atom `Author' element in CommentEntry entries is augmented to
contain elements from the PHOTOS_NAMESPACE
http://groups.google.com/group/Google-Picasa-Data-API/msg/819b0025b5ff5e38
"""
_children = atom.Author._children.copy()
_children['{%s}user' % PHOTOS_NAMESPACE] = ('user', User)
_children['{%s}nickname' % PHOTOS_NAMESPACE] = ('nickname', Nickname)
_children['{%s}thumbnail' % PHOTOS_NAMESPACE] = ('thumbnail', Thumbnail)
def CommentAuthorFromString(xml_string):
return atom.CreateClassFromXMLString(CommentAuthor, xml_string)
########################## ################################
class AlbumData(object):
_children = {}
_children['{%s}id' % PHOTOS_NAMESPACE] = ('gphoto_id', Id)
_children['{%s}name' % PHOTOS_NAMESPACE] = ('name', Name)
_children['{%s}location' % PHOTOS_NAMESPACE] = ('location', Location)
_children['{%s}access' % PHOTOS_NAMESPACE] = ('access', Access)
_children['{%s}bytesUsed' % PHOTOS_NAMESPACE] = ('bytesUsed', BytesUsed)
_children['{%s}timestamp' % PHOTOS_NAMESPACE] = ('timestamp', Timestamp)
_children['{%s}numphotos' % PHOTOS_NAMESPACE] = ('numphotos', Numphotos)
_children['{%s}numphotosremaining' % PHOTOS_NAMESPACE] = \
('numphotosremaining', Numphotosremaining)
_children['{%s}user' % PHOTOS_NAMESPACE] = ('user', User)
_children['{%s}nickname' % PHOTOS_NAMESPACE] = ('nickname', Nickname)
_children['{%s}commentingEnabled' % PHOTOS_NAMESPACE] = \
('commentingEnabled', CommentingEnabled)
_children['{%s}commentCount' % PHOTOS_NAMESPACE] = \
('commentCount', CommentCount)
## NOTE: storing media:group as self.media, to create a self-explaining api
gphoto_id = None
name = None
location = None
access = None
bytesUsed = None
timestamp = None
numphotos = None
numphotosremaining = None
user = None
nickname = None
commentingEnabled = None
commentCount = None
class AlbumEntry(GPhotosBaseEntry, AlbumData):
"""All metadata for a Google Photos Album
Take a look at AlbumData for metadata accessible as attributes to this object.
Notes:
To avoid name clashes, and to create a more sensible api, some
objects have names that differ from the original elements:
o media:group -> self.media,
o geo:where -> self.geo,
o photo:id -> self.gphoto_id
"""
_kind = 'album'
_children = GPhotosBaseEntry._children.copy()
_children.update(AlbumData._children.copy())
# child tags only for Album entries, not feeds
_children['{%s}where' % GEORSS_NAMESPACE] = ('geo', Geo.Where)
_children['{%s}group' % MEDIA_NAMESPACE] = ('media', Media.Group)
media = Media.Group()
geo = Geo.Where()
def __init__(self, author=None, category=None, content=None,
atom_id=None, link=None, published=None,
title=None, updated=None,
#GPHOTO NAMESPACE:
gphoto_id=None, name=None, location=None, access=None,
timestamp=None, numphotos=None, user=None, nickname=None,
commentingEnabled=None, commentCount=None, thumbnail=None,
# MEDIA NAMESPACE:
media=None,
# GEORSS NAMESPACE:
geo=None,
extended_property=None,
extension_elements=None, extension_attributes=None, text=None):
GPhotosBaseEntry.__init__(self, author=author, category=category,
content=content, atom_id=atom_id, link=link,
published=published, title=title,
updated=updated, text=text,
extension_elements=extension_elements,
extension_attributes=extension_attributes)
## NOTE: storing photo:id as self.gphoto_id, to avoid name clash with atom:id
self.gphoto_id = gphoto_id
self.name = name
self.location = location
self.access = access
self.timestamp = timestamp
self.numphotos = numphotos
self.user = user
self.nickname = nickname
self.commentingEnabled = commentingEnabled
self.commentCount = commentCount
self.thumbnail = thumbnail
self.extended_property = extended_property or []
self.text = text
## NOTE: storing media:group as self.media, and geo:where as geo,
## to create a self-explaining api
self.media = media or Media.Group()
self.geo = geo or Geo.Where()
def GetAlbumId(self):
"Return the id of this album"
return self.GetFeedLink().href.split('/')[-1]
def GetPhotosUri(self):
"(string) Return the uri to this albums feed of the PhotoEntry kind"
return self._feedUri('photo')
def GetCommentsUri(self):
"(string) Return the uri to this albums feed of the CommentEntry kind"
return self._feedUri('comment')
def GetTagsUri(self):
"(string) Return the uri to this albums feed of the TagEntry kind"
return self._feedUri('tag')
def AlbumEntryFromString(xml_string):
return atom.CreateClassFromXMLString(AlbumEntry, xml_string)
class AlbumFeed(GPhotosBaseFeed, AlbumData):
"""All metadata for a Google Photos Album, including its sub-elements
This feed represents an album as the container for other objects.
A Album feed contains entries of
PhotoEntry, CommentEntry or TagEntry,
depending on the `kind' parameter in the original query.
Take a look at AlbumData for accessible attributes.
"""
_children = GPhotosBaseFeed._children.copy()
_children.update(AlbumData._children.copy())
def GetPhotosUri(self):
"(string) Return the uri to the same feed, but of the PhotoEntry kind"
return self._feedUri('photo')
def GetTagsUri(self):
"(string) Return the uri to the same feed, but of the TagEntry kind"
return self._feedUri('tag')
def GetCommentsUri(self):
"(string) Return the uri to the same feed, but of the CommentEntry kind"
return self._feedUri('comment')
def AlbumFeedFromString(xml_string):
return atom.CreateClassFromXMLString(AlbumFeed, xml_string)
class PhotoData(object):
_children = {}
## NOTE: storing photo:id as self.gphoto_id, to avoid name clash with atom:id
_children['{%s}id' % PHOTOS_NAMESPACE] = ('gphoto_id', Id)
_children['{%s}albumid' % PHOTOS_NAMESPACE] = ('albumid', Albumid)
_children['{%s}checksum' % PHOTOS_NAMESPACE] = ('checksum', Checksum)
_children['{%s}client' % PHOTOS_NAMESPACE] = ('client', Client)
_children['{%s}height' % PHOTOS_NAMESPACE] = ('height', Height)
_children['{%s}position' % PHOTOS_NAMESPACE] = ('position', Position)
_children['{%s}rotation' % PHOTOS_NAMESPACE] = ('rotation', Rotation)
_children['{%s}size' % PHOTOS_NAMESPACE] = ('size', Size)
_children['{%s}timestamp' % PHOTOS_NAMESPACE] = ('timestamp', Timestamp)
_children['{%s}version' % PHOTOS_NAMESPACE] = ('version', Version)
_children['{%s}width' % PHOTOS_NAMESPACE] = ('width', Width)
_children['{%s}commentingEnabled' % PHOTOS_NAMESPACE] = \
('commentingEnabled', CommentingEnabled)
_children['{%s}commentCount' % PHOTOS_NAMESPACE] = \
('commentCount', CommentCount)
## NOTE: storing media:group as self.media, exif:tags as self.exif, and
## geo:where as self.geo, to create a self-explaining api
_children['{%s}tags' % EXIF_NAMESPACE] = ('exif', Exif.Tags)
_children['{%s}where' % GEORSS_NAMESPACE] = ('geo', Geo.Where)
_children['{%s}group' % MEDIA_NAMESPACE] = ('media', Media.Group)
# These elements show up in search feeds
_children['{%s}snippet' % PHOTOS_NAMESPACE] = ('snippet', Snippet)
_children['{%s}snippettype' % PHOTOS_NAMESPACE] = ('snippettype', Snippettype)
_children['{%s}truncated' % PHOTOS_NAMESPACE] = ('truncated', Truncated)
gphoto_id = None
albumid = None
checksum = None
client = None
height = None
position = None
rotation = None
size = None
timestamp = None
version = None
width = None
commentingEnabled = None
commentCount = None
snippet=None
snippettype=None
truncated=None
media = Media.Group()
geo = Geo.Where()
tags = Exif.Tags()
class PhotoEntry(GPhotosBaseEntry, PhotoData):
"""All metadata for a Google Photos Photo
Take a look at PhotoData for metadata accessible as attributes to this object.
Notes:
To avoid name clashes, and to create a more sensible api, some
objects have names that differ from the original elements:
o media:group -> self.media,
o exif:tags -> self.exif,
o geo:where -> self.geo,
o photo:id -> self.gphoto_id
"""
_kind = 'photo'
_children = GPhotosBaseEntry._children.copy()
_children.update(PhotoData._children.copy())
def __init__(self, author=None, category=None, content=None,
atom_id=None, link=None, published=None,
title=None, updated=None, text=None,
# GPHOTO NAMESPACE:
gphoto_id=None, albumid=None, checksum=None, client=None, height=None,
position=None, rotation=None, size=None, timestamp=None, version=None,
width=None, commentCount=None, commentingEnabled=None,
# MEDIARSS NAMESPACE:
media=None,
# EXIF_NAMESPACE:
exif=None,
# GEORSS NAMESPACE:
geo=None,
extension_elements=None, extension_attributes=None):
GPhotosBaseEntry.__init__(self, author=author, category=category,
content=content,
atom_id=atom_id, link=link, published=published,
title=title, updated=updated, text=text,
extension_elements=extension_elements,
extension_attributes=extension_attributes)
## NOTE: storing photo:id as self.gphoto_id, to avoid name clash with atom:id
self.gphoto_id = gphoto_id
self.albumid = albumid
self.checksum = checksum
self.client = client
self.height = height
self.position = position
self.rotation = rotation
self.size = size
self.timestamp = timestamp
self.version = version
self.width = width
self.commentingEnabled = commentingEnabled
self.commentCount = commentCount
## NOTE: storing media:group as self.media, to create a self-explaining api
self.media = media or Media.Group()
self.exif = exif or Exif.Tags()
self.geo = geo or Geo.Where()
def GetPostLink(self):
"Return the uri to this photo's `POST' link (use it for updates of the object)"
return self.GetFeedLink()
def GetCommentsUri(self):
"Return the uri to this photo's feed of CommentEntry comments"
return self._feedUri('comment')
def GetTagsUri(self):
"Return the uri to this photo's feed of TagEntry tags"
return self._feedUri('tag')
def GetAlbumUri(self):
"""Return the uri to the AlbumEntry containing this photo"""
href = self.GetSelfLink().href
return href[:href.find('/photoid')]
def PhotoEntryFromString(xml_string):
return atom.CreateClassFromXMLString(PhotoEntry, xml_string)
class PhotoFeed(GPhotosBaseFeed, PhotoData):
"""All metadata for a Google Photos Photo, including its sub-elements
This feed represents a photo as the container for other objects.
A Photo feed contains entries of
CommentEntry or TagEntry,
depending on the `kind' parameter in the original query.
Take a look at PhotoData for metadata accessible as attributes to this object.
"""
_children = GPhotosBaseFeed._children.copy()
_children.update(PhotoData._children.copy())
def GetTagsUri(self):
"(string) Return the uri to the same feed, but of the TagEntry kind"
return self._feedUri('tag')
def GetCommentsUri(self):
"(string) Return the uri to the same feed, but of the CommentEntry kind"
return self._feedUri('comment')
def PhotoFeedFromString(xml_string):
return atom.CreateClassFromXMLString(PhotoFeed, xml_string)
class TagData(GPhotosBaseData):
_children = {}
_children['{%s}weight' % PHOTOS_NAMESPACE] = ('weight', Weight)
weight=None
class TagEntry(GPhotosBaseEntry, TagData):
"""All metadata for a Google Photos Tag
The actual tag is stored in the .title.text attribute
"""
_kind = 'tag'
_children = GPhotosBaseEntry._children.copy()
_children.update(TagData._children.copy())
def __init__(self, author=None, category=None, content=None,
atom_id=None, link=None, published=None,
title=None, updated=None,
# GPHOTO NAMESPACE:
weight=None,
extended_property=None,
extension_elements=None, extension_attributes=None, text=None):
GPhotosBaseEntry.__init__(self, author=author, category=category,
content=content,
atom_id=atom_id, link=link, published=published,
title=title, updated=updated, text=text,
extension_elements=extension_elements,
extension_attributes=extension_attributes)
self.weight = weight
def GetAlbumUri(self):
"""Return the uri to the AlbumEntry containing this tag"""
href = self.GetSelfLink().href
pos = href.find('/photoid')
if pos == -1:
return None
return href[:pos]
def GetPhotoUri(self):
"""Return the uri to the PhotoEntry containing this tag"""
href = self.GetSelfLink().href
pos = href.find('/tag')
if pos == -1:
return None
return href[:pos]
def TagEntryFromString(xml_string):
return atom.CreateClassFromXMLString(TagEntry, xml_string)
class TagFeed(GPhotosBaseFeed, TagData):
"""All metadata for a Google Photos Tag, including its sub-elements"""
_children = GPhotosBaseFeed._children.copy()
_children.update(TagData._children.copy())
def TagFeedFromString(xml_string):
return atom.CreateClassFromXMLString(TagFeed, xml_string)
class CommentData(GPhotosBaseData):
_children = {}
## NOTE: storing photo:id as self.gphoto_id, to avoid name clash with atom:id
_children['{%s}id' % PHOTOS_NAMESPACE] = ('gphoto_id', Id)
_children['{%s}albumid' % PHOTOS_NAMESPACE] = ('albumid', Albumid)
_children['{%s}photoid' % PHOTOS_NAMESPACE] = ('photoid', Photoid)
_children['{%s}author' % atom.ATOM_NAMESPACE] = ('author', [CommentAuthor,])
gphoto_id=None
albumid=None
photoid=None
author=None
class CommentEntry(GPhotosBaseEntry, CommentData):
"""All metadata for a Google Photos Comment
The comment is stored in the .content.text attribute,
with a content type in .content.type.
"""
_kind = 'comment'
_children = GPhotosBaseEntry._children.copy()
_children.update(CommentData._children.copy())
def __init__(self, author=None, category=None, content=None,
atom_id=None, link=None, published=None,
title=None, updated=None,
# GPHOTO NAMESPACE:
gphoto_id=None, albumid=None, photoid=None,
extended_property=None,
extension_elements=None, extension_attributes=None, text=None):
GPhotosBaseEntry.__init__(self, author=author, category=category,
content=content,
atom_id=atom_id, link=link, published=published,
title=title, updated=updated,
extension_elements=extension_elements,
extension_attributes=extension_attributes,
text=text)
self.gphoto_id = gphoto_id
self.albumid = albumid
self.photoid = photoid
def GetCommentId(self):
"""Return the globally unique id of this comment"""
return self.GetSelfLink().href.split('/')[-1]
def GetAlbumUri(self):
"""Return the uri to the AlbumEntry containing this comment"""
href = self.GetSelfLink().href
return href[:href.find('/photoid')]
def GetPhotoUri(self):
"""Return the uri to the PhotoEntry containing this comment"""
href = self.GetSelfLink().href
return href[:href.find('/commentid')]
def CommentEntryFromString(xml_string):
return atom.CreateClassFromXMLString(CommentEntry, xml_string)
class CommentFeed(GPhotosBaseFeed, CommentData):
"""All metadata for a Google Photos Comment, including its sub-elements"""
_children = GPhotosBaseFeed._children.copy()
_children.update(CommentData._children.copy())
def CommentFeedFromString(xml_string):
return atom.CreateClassFromXMLString(CommentFeed, xml_string)
class UserData(GPhotosBaseData):
_children = {}
_children['{%s}maxPhotosPerAlbum' % PHOTOS_NAMESPACE] = ('maxPhotosPerAlbum', MaxPhotosPerAlbum)
_children['{%s}nickname' % PHOTOS_NAMESPACE] = ('nickname', Nickname)
_children['{%s}quotalimit' % PHOTOS_NAMESPACE] = ('quotalimit', Quotalimit)
_children['{%s}quotacurrent' % PHOTOS_NAMESPACE] = ('quotacurrent', Quotacurrent)
_children['{%s}thumbnail' % PHOTOS_NAMESPACE] = ('thumbnail', Thumbnail)
_children['{%s}user' % PHOTOS_NAMESPACE] = ('user', User)
_children['{%s}id' % PHOTOS_NAMESPACE] = ('gphoto_id', Id)
maxPhotosPerAlbum=None
nickname=None
quotalimit=None
quotacurrent=None
thumbnail=None
user=None
gphoto_id=None
class UserEntry(GPhotosBaseEntry, UserData):
"""All metadata for a Google Photos User
This entry represents an album owner and all appropriate metadata.
Take a look at at the attributes of the UserData for metadata available.
"""
_children = GPhotosBaseEntry._children.copy()
_children.update(UserData._children.copy())
_kind = 'user'
def __init__(self, author=None, category=None, content=None,
atom_id=None, link=None, published=None,
title=None, updated=None,
# GPHOTO NAMESPACE:
gphoto_id=None, maxPhotosPerAlbum=None, nickname=None, quotalimit=None,
quotacurrent=None, thumbnail=None, user=None,
extended_property=None,
extension_elements=None, extension_attributes=None, text=None):
GPhotosBaseEntry.__init__(self, author=author, category=category,
content=content,
atom_id=atom_id, link=link, published=published,
title=title, updated=updated,
extension_elements=extension_elements,
extension_attributes=extension_attributes,
text=text)
self.gphoto_id=gphoto_id
self.maxPhotosPerAlbum=maxPhotosPerAlbum
self.nickname=nickname
self.quotalimit=quotalimit
self.quotacurrent=quotacurrent
self.thumbnail=thumbnail
self.user=user
def GetAlbumsUri(self):
"(string) Return the uri to this user's feed of the AlbumEntry kind"
return self._feedUri('album')
def GetPhotosUri(self):
"(string) Return the uri to this user's feed of the PhotoEntry kind"
return self._feedUri('photo')
def GetCommentsUri(self):
"(string) Return the uri to this user's feed of the CommentEntry kind"
return self._feedUri('comment')
def GetTagsUri(self):
"(string) Return the uri to this user's feed of the TagEntry kind"
return self._feedUri('tag')
def UserEntryFromString(xml_string):
return atom.CreateClassFromXMLString(UserEntry, xml_string)
class UserFeed(GPhotosBaseFeed, UserData):
"""Feed for a User in the google photos api.
This feed represents a user as the container for other objects.
A User feed contains entries of
AlbumEntry, PhotoEntry, CommentEntry, UserEntry or TagEntry,
depending on the `kind' parameter in the original query.
The user feed itself also contains all of the metadata available
as part of a UserData object."""
_children = GPhotosBaseFeed._children.copy()
_children.update(UserData._children.copy())
def GetAlbumsUri(self):
"""Get the uri to this feed, but with entries of the AlbumEntry kind."""
return self._feedUri('album')
def GetTagsUri(self):
"""Get the uri to this feed, but with entries of the TagEntry kind."""
return self._feedUri('tag')
def GetPhotosUri(self):
"""Get the uri to this feed, but with entries of the PhotosEntry kind."""
return self._feedUri('photo')
def GetCommentsUri(self):
"""Get the uri to this feed, but with entries of the CommentsEntry kind."""
return self._feedUri('comment')
def UserFeedFromString(xml_string):
return atom.CreateClassFromXMLString(UserFeed, xml_string)
def AnyFeedFromString(xml_string):
"""Creates an instance of the appropriate feed class from the
xml string contents.
Args:
xml_string: str A string which contains valid XML. The root element
of the XML string should match the tag and namespace of the desired
class.
Returns:
An instance of the target class with members assigned according to the
contents of the XML - or a basic gdata.GDataFeed instance if it is
impossible to determine the appropriate class (look for extra elements
in GDataFeed's .FindExtensions() and extension_elements[] ).
"""
tree = ElementTree.fromstring(xml_string)
category = tree.find('{%s}category' % atom.ATOM_NAMESPACE)
if category is None:
# TODO: is this the best way to handle this?
return atom._CreateClassFromElementTree(GPhotosBaseFeed, tree)
namespace, kind = category.get('term').split('#')
if namespace != PHOTOS_NAMESPACE:
# TODO: is this the best way to handle this?
return atom._CreateClassFromElementTree(GPhotosBaseFeed, tree)
## TODO: is getattr safe this way?
feed_class = getattr(gdata.photos, '%sFeed' % kind.title())
return atom._CreateClassFromElementTree(feed_class, tree)
def AnyEntryFromString(xml_string):
"""Creates an instance of the appropriate entry class from the
xml string contents.
Args:
xml_string: str A string which contains valid XML. The root element
of the XML string should match the tag and namespace of the desired
class.
Returns:
An instance of the target class with members assigned according to the
contents of the XML - or a basic gdata.GDataEndry instance if it is
impossible to determine the appropriate class (look for extra elements
in GDataEntry's .FindExtensions() and extension_elements[] ).
"""
tree = ElementTree.fromstring(xml_string)
category = tree.find('{%s}category' % atom.ATOM_NAMESPACE)
if category is None:
# TODO: is this the best way to handle this?
return atom._CreateClassFromElementTree(GPhotosBaseEntry, tree)
namespace, kind = category.get('term').split('#')
if namespace != PHOTOS_NAMESPACE:
# TODO: is this the best way to handle this?
return atom._CreateClassFromElementTree(GPhotosBaseEntry, tree)
## TODO: is getattr safe this way?
feed_class = getattr(gdata.photos, '%sEntry' % kind.title())
return atom._CreateClassFromElementTree(feed_class, tree)
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