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#!/usr/bin/python
#
# Copyright 2009 Google Inc. All Rights Reserved.
#
# 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.
"""SitesClient extends gdata.client.GDClient to streamline Sites API calls."""
__author__ = 'e.bidelman (Eric Bidelman)'
import atom.data
import gdata.client
import gdata.sites.data
import gdata.gauth
# Feed URI templates
CONTENT_FEED_TEMPLATE = '/feeds/content/%s/%s/'
REVISION_FEED_TEMPLATE = '/feeds/revision/%s/%s/'
ACTIVITY_FEED_TEMPLATE = '/feeds/activity/%s/%s/'
SITE_FEED_TEMPLATE = '/feeds/site/%s/'
ACL_FEED_TEMPLATE = '/feeds/acl/site/%s/%s/'
class SitesClient(gdata.client.GDClient):
"""Client extension for the Google Sites API service."""
host = 'sites.google.com' # default server for the API
domain = 'site' # default site domain name
api_version = '1.1' # default major version for the service.
auth_service = 'jotspot'
auth_scopes = gdata.gauth.AUTH_SCOPES['jotspot']
ssl = True
def __init__(self, site=None, domain=None, auth_token=None, **kwargs):
"""Constructs a new client for the Sites API.
Args:
site: string (optional) Name (webspace) of the Google Site
domain: string (optional) Domain of the (Google Apps hosted) Site.
If no domain is given, the Site is assumed to be a consumer Google
Site, in which case the value 'site' is used.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: The other parameters to pass to gdata.client.GDClient
constructor.
"""
gdata.client.GDClient.__init__(self, auth_token=auth_token, **kwargs)
self.site = site
if domain is not None:
self.domain = domain
def __make_kind_category(self, label):
if label is None:
return None
return atom.data.Category(
scheme=gdata.sites.data.SITES_KIND_SCHEME,
term='%s#%s' % (gdata.sites.data.SITES_NAMESPACE, label), label=label)
__MakeKindCategory = __make_kind_category
def __upload(self, entry, media_source, auth_token=None, **kwargs):
"""Uploads an attachment file to the Sites API.
Args:
entry: gdata.sites.data.ContentEntry The Atom XML to include.
media_source: gdata.data.MediaSource The file payload to be uploaded.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to gdata.client.post().
Returns:
The created entry.
"""
uri = self.make_content_feed_uri()
return self.post(entry, uri, media_source=media_source,
auth_token=auth_token, **kwargs)
def _get_file_content(self, uri):
"""Fetches the file content from the specified URI.
Args:
uri: string The full URL to fetch the file contents from.
Returns:
The binary file content.
Raises:
gdata.client.RequestError: on error response from server.
"""
server_response = self.request('GET', uri)
if server_response.status != 200:
raise gdata.client.RequestError, {'status': server_response.status,
'reason': server_response.reason,
'body': server_response.read()}
return server_response.read()
_GetFileContent = _get_file_content
def make_content_feed_uri(self):
return CONTENT_FEED_TEMPLATE % (self.domain, self.site)
MakeContentFeedUri = make_content_feed_uri
def make_revision_feed_uri(self):
return REVISION_FEED_TEMPLATE % (self.domain, self.site)
MakeRevisionFeedUri = make_revision_feed_uri
def make_activity_feed_uri(self):
return ACTIVITY_FEED_TEMPLATE % (self.domain, self.site)
MakeActivityFeedUri = make_activity_feed_uri
def make_site_feed_uri(self, site_name=None):
if site_name is not None:
return (SITE_FEED_TEMPLATE % self.domain) + site_name
else:
return SITE_FEED_TEMPLATE % self.domain
MakeSiteFeedUri = make_site_feed_uri
def make_acl_feed_uri(self):
return ACL_FEED_TEMPLATE % (self.domain, self.site)
MakeAclFeedUri = make_acl_feed_uri
def get_content_feed(self, uri=None, auth_token=None, **kwargs):
"""Retrieves the content feed containing the current state of site.
Args:
uri: string (optional) A full URI to query the Content feed with.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to self.get_feed().
Returns:
gdata.sites.data.ContentFeed
"""
if uri is None:
uri = self.make_content_feed_uri()
return self.get_feed(uri, desired_class=gdata.sites.data.ContentFeed,
auth_token=auth_token, **kwargs)
GetContentFeed = get_content_feed
def get_revision_feed(self, entry_or_uri_or_id, auth_token=None, **kwargs):
"""Retrieves the revision feed containing the revision history for a node.
Args:
entry_or_uri_or_id: string or gdata.sites.data.ContentEntry A full URI,
content entry node ID, or a content entry object of the entry to
retrieve revision information for.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to self.get_feed().
Returns:
gdata.sites.data.RevisionFeed
"""
uri = self.make_revision_feed_uri()
if isinstance(entry_or_uri_or_id, gdata.sites.data.ContentEntry):
uri = entry_or_uri_or_id.FindRevisionLink()
elif entry_or_uri_or_id.find('/') == -1:
uri += entry_or_uri_or_id
else:
uri = entry_or_uri_or_id
return self.get_feed(uri, desired_class=gdata.sites.data.RevisionFeed,
auth_token=auth_token, **kwargs)
GetRevisionFeed = get_revision_feed
def get_activity_feed(self, uri=None, auth_token=None, **kwargs):
"""Retrieves the activity feed containing recent Site activity.
Args:
uri: string (optional) A full URI to query the Activity feed.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to self.get_feed().
Returns:
gdata.sites.data.ActivityFeed
"""
if uri is None:
uri = self.make_activity_feed_uri()
return self.get_feed(uri, desired_class=gdata.sites.data.ActivityFeed,
auth_token=auth_token, **kwargs)
GetActivityFeed = get_activity_feed
def get_site_feed(self, uri=None, auth_token=None, **kwargs):
"""Retrieves the site feed containing a list of sites a user has access to.
Args:
uri: string (optional) A full URI to query the site feed.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to self.get_feed().
Returns:
gdata.sites.data.SiteFeed
"""
if uri is None:
uri = self.make_site_feed_uri()
return self.get_feed(uri, desired_class=gdata.sites.data.SiteFeed,
auth_token=auth_token, **kwargs)
GetSiteFeed = get_site_feed
def get_acl_feed(self, uri=None, auth_token=None, **kwargs):
"""Retrieves the acl feed containing a site's sharing permissions.
Args:
uri: string (optional) A full URI to query the acl feed.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to self.get_feed().
Returns:
gdata.sites.data.AclFeed
"""
if uri is None:
uri = self.make_acl_feed_uri()
return self.get_feed(uri, desired_class=gdata.sites.data.AclFeed,
auth_token=auth_token, **kwargs)
GetAclFeed = get_acl_feed
def create_site(self, title, description=None, source_site=None,
theme=None, uri=None, auth_token=None, **kwargs):
"""Creates a new Google Site.
Note: This feature is only available to Google Apps domains.
Args:
title: string Title for the site.
description: string (optional) A description/summary for the site.
source_site: string (optional) The site feed URI of the site to copy.
This parameter should only be specified when copying a site.
theme: string (optional) The name of the theme to create the site with.
uri: string (optional) A full site feed URI to override where the site
is created/copied. By default, the site will be created under
the currently set domain (e.g. self.domain).
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to gdata.client.post().
Returns:
gdata.sites.data.SiteEntry of the created site.
"""
new_entry = gdata.sites.data.SiteEntry(title=atom.data.Title(text=title))
if description is not None:
new_entry.summary = gdata.sites.data.Summary(text=description)
# Add the source link if we're making a copy of a site.
if source_site is not None:
source_link = atom.data.Link(rel=gdata.sites.data.SITES_SOURCE_LINK_REL,
type='application/atom+xml',
href=source_site)
new_entry.link.append(source_link)
if theme is not None:
new_entry.theme = gdata.sites.data.Theme(text=theme)
if uri is None:
uri = self.make_site_feed_uri()
return self.post(new_entry, uri, auth_token=auth_token, **kwargs)
CreateSite = create_site
def create_page(self, kind, title, html='', page_name=None, parent=None,
auth_token=None, **kwargs):
"""Creates a new page (specified by kind) on a Google Site.
Args:
kind: string The type of page/item to create. For example, webpage,
listpage, comment, announcementspage, filecabinet, etc. The full list
of supported kinds can be found in gdata.sites.gdata.SUPPORT_KINDS.
title: string Title for the page.
html: string (optional) XHTML for the page's content body.
page_name: string (optional) The URL page name to set. If not set, the
title will be normalized and used as the page's URL path.
parent: string or gdata.sites.data.ContentEntry (optional) The parent
entry or parent link url to create the page under.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to gdata.client.post().
Returns:
gdata.sites.data.ContentEntry of the created page.
"""
new_entry = gdata.sites.data.ContentEntry(
title=atom.data.Title(text=title), kind=kind,
content=gdata.sites.data.Content(text=html))
if page_name is not None:
new_entry.page_name = gdata.sites.data.PageName(text=page_name)
# Add parent link to entry if it should be uploaded as a subpage.
if isinstance(parent, gdata.sites.data.ContentEntry):
parent_link = atom.data.Link(rel=gdata.sites.data.SITES_PARENT_LINK_REL,
type='application/atom+xml',
href=parent.GetSelfLink().href)
new_entry.link.append(parent_link)
elif parent is not None:
parent_link = atom.data.Link(rel=gdata.sites.data.SITES_PARENT_LINK_REL,
type='application/atom+xml',
href=parent)
new_entry.link.append(parent_link)
return self.post(new_entry, self.make_content_feed_uri(),
auth_token=auth_token, **kwargs)
CreatePage = create_page
def create_webattachment(self, src, content_type, title, parent,
description=None, auth_token=None, **kwargs):
"""Creates a new webattachment within a filecabinet.
Args:
src: string The url of the web attachment.
content_type: string The MIME type of the web attachment.
title: string The title to name the web attachment.
parent: string or gdata.sites.data.ContentEntry (optional) The
parent entry or url of the filecabinet to create the attachment under.
description: string (optional) A summary/description for the attachment.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to gdata.client.post().
Returns:
gdata.sites.data.ContentEntry of the created page.
"""
new_entry = gdata.sites.data.ContentEntry(
title=atom.data.Title(text=title), kind='webattachment',
content=gdata.sites.data.Content(src=src, type=content_type))
if isinstance(parent, gdata.sites.data.ContentEntry):
link = atom.data.Link(rel=gdata.sites.data.SITES_PARENT_LINK_REL,
type='application/atom+xml',
href=parent.GetSelfLink().href)
elif parent is not None:
link = atom.data.Link(rel=gdata.sites.data.SITES_PARENT_LINK_REL,
type='application/atom+xml', href=parent)
new_entry.link.append(link)
# Add file decription if it was specified
if description is not None:
new_entry.summary = gdata.sites.data.Summary(type='text',
text=description)
return self.post(new_entry, self.make_content_feed_uri(),
auth_token=auth_token, **kwargs)
CreateWebAttachment = create_webattachment
def upload_attachment(self, file_handle, parent, content_type=None,
title=None, description=None, folder_name=None,
auth_token=None, **kwargs):
"""Uploads an attachment to a parent page.
Args:
file_handle: MediaSource or string A gdata.data.MediaSource object
containing the file to be uploaded or the full path name to the
file on disk.
parent: gdata.sites.data.ContentEntry or string The parent page to
upload the file to or the full URI of the entry's self link.
content_type: string (optional) The MIME type of the file
(e.g 'application/pdf'). This should be provided if file is not a
MediaSource object.
title: string (optional) The title to name the attachment. If not
included, the filepath or media source's filename is used.
description: string (optional) A summary/description for the attachment.
folder_name: string (optional) The name of an existing folder to upload
the attachment to. This only applies when the parent parameter points
to a filecabinet entry.
auth_token: (optional) gdata.gauth.ClientLoginToken, AuthSubToken, or
OAuthToken which authorizes this client to edit the user's data.
kwargs: Other parameters to pass to self.__upload().
Returns:
A gdata.sites.data.ContentEntry containing information about the created
attachment.
"""
if isinstance(parent, gdata.sites.data.ContentEntry):
link = atom.data.Link(rel=gdata.sites.data.SITES_PARENT_LINK_REL,
type='application/atom+xml',
href=parent.GetSelfLink().href)
else:
link = atom.data.Link(rel=gdata.sites.data.SITES_PARENT_LINK_REL,
type='application/atom+xml',
href=parent)
if not isinstance(file_handle, gdata.data.MediaSource):
ms = gdata.data.MediaSource(file_path=file_handle,
content_type=content_type)
else:
ms = file_handle
# If no title specified, use the file name
if title is None:
title = ms.file_name
new_entry = gdata.sites.data.ContentEntry(kind='attachment')
new_entry.title = atom.data.Title(text=title)
new_entry.link.append(link)
# Add file decription if it was specified
if description is not None:
new_entry.summary = gdata.sites.data.Summary(type='text',
text=description)
# Upload the attachment to a filecabinet folder?
if parent.Kind() == 'filecabinet' and folder_name is not None:
folder_category = atom.data.Category(
scheme=gdata.sites.data.FOLDER_KIND_TERM, term=folder_name)
new_entry.category.append(folder_category)
return self.__upload(new_entry, ms, auth_token=auth_token, **kwargs)
UploadAttachment = upload_attachment
def download_attachment(self, uri_or_entry, file_path):
"""Downloads an attachment file to disk.
Args:
uri_or_entry: string The full URL to download the file from.
file_path: string The full path to save the file to.
Raises:
gdata.client.RequestError: on error response from server.
"""
uri = uri_or_entry
if isinstance(uri_or_entry, gdata.sites.data.ContentEntry):
uri = uri_or_entry.content.src
f = open(file_path, 'wb')
try:
f.write(self._get_file_content(uri))
except gdata.client.RequestError, e:
f.close()
raise e
f.flush()
f.close()
DownloadAttachment = download_attachment