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try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
import xmlrpclib
import posixpath
from trac.core import *
from trac.perm import IPermissionRequestor
from trac.wiki.api import WikiSystem
from trac.wiki.model import WikiPage
from trac.wiki.formatter import wiki_to_html
from trac.attachment import Attachment
from tracrpc.api import IXMLRPCHandler, expose_rpc
from tracrpc.util import to_timestamp
class WikiRPC(Component):
""" Implementation of the [http://www.jspwiki.org/Wiki.jsp?page=WikiRPCInterface2 WikiRPC API]. """
implements(IXMLRPCHandler)
def __init__(self):
self.wiki = WikiSystem(self.env)
def xmlrpc_namespace(self):
return 'wiki'
def xmlrpc_methods(self):
yield ('WIKI_VIEW', ((dict, xmlrpclib.DateTime),), self.getRecentChanges)
yield ('WIKI_VIEW', ((int,),), self.getRPCVersionSupported)
yield ('WIKI_VIEW', ((str, str), (str, str, int),), self.getPage)
yield ('WIKI_VIEW', ((str, str, int),), self.getPage, 'getPageVersion')
yield ('WIKI_VIEW', ((str, str), (str, str, int)), self.getPageHTML)
yield ('WIKI_VIEW', ((str, str), (str, str, int)), self.getPageHTML, 'getPageHTMLVersion')
yield ('WIKI_VIEW', ((list,),), self.getAllPages)
yield ('WIKI_VIEW', ((dict, str), (dict, str, int)), self.getPageInfo)
yield ('WIKI_VIEW', ((dict, str, int),), self.getPageInfo, 'getPageInfoVersion')
yield ('WIKI_CREATE', ((bool, str, str, dict),), self.putPage)
yield ('WIKI_VIEW', ((list, str),), self.listAttachments)
yield ('WIKI_VIEW', ((xmlrpclib.Binary, str),), self.getAttachment)
yield ('WIKI_MODIFY', ((bool, str, xmlrpclib.Binary),), self.putAttachment)
yield ('WIKI_MODIFY', ((bool, str, str, str, xmlrpclib.Binary),
(bool, str, str, str, xmlrpclib.Binary, bool)),
self.putAttachmentEx)
yield ('WIKI_DELETE', ((bool, str),), self.deleteAttachment)
yield ('WIKI_VIEW', ((list, str),), self.listLinks)
yield ('WIKI_VIEW', ((str, str),), self.wikiToHtml)
def _page_info(self, name, time, author, version):
return dict(name=name, lastModified=xmlrpclib.DateTime(int(time)),
author=author, version=int(version))
def getRecentChanges(self, req, since):
""" Get list of changed pages since timestamp """
since = to_timestamp(since)
db = self.env.get_db_cnx()
cursor = db.cursor()
cursor.execute('SELECT name, max(time), author, version FROM wiki'
' WHERE time >= %s GROUP BY name ORDER BY max(time) DESC', (since,))
result = []
for name, time, author, version in cursor:
result.append(self._page_info(name, time, author, version))
return result
def getRPCVersionSupported(self, req):
""" Returns 2 with this version of the Trac API. """
return 2
def getPage(self, req, pagename, version=None):
""" Get the raw Wiki text of page, latest version. """
page = WikiPage(self.env, pagename, version)
if page.exists:
return page.text
else:
msg = 'Wiki page "%s" does not exist' % pagename
if version is not None:
msg += ' at version %s' % version
raise xmlrpclib.Fault(0, msg)
def getPageHTML(self, req, pagename, version=None):
""" Return page in rendered HTML, latest version. """
text = self.getPage(req, pagename, version)
html = wiki_to_html(text, self.env, req, absurls=1)
return '<html><body>%s</body></html>' % html
def getAllPages(self, req):
""" Returns a list of all pages. The result is an array of utf8 pagenames. """
return list(self.wiki.get_pages())
def getPageInfo(self, req, pagename, version=None):
""" Returns information about the given page. """
page = WikiPage(self.env, pagename, version)
if page.exists:
last_update = page.get_history().next()
return self._page_info(page.name, last_update[1], last_update[2],
page.version)
def putPage(self, req, pagename, content, attributes):
""" writes the content of the page. """
page = WikiPage(self.env, pagename)
if page.readonly:
req.perm.assert_permission('WIKI_ADMIN')
elif not page.exists:
req.perm.assert_permission('WIKI_CREATE')
else:
req.perm.assert_permission('WIKI_MODIFY')
page.text = content
if req.perm.has_permission('WIKI_ADMIN'):
page.readonly = attributes.get('readonly') and 1 or 0
page.save(attributes.get('author', req.authname),
attributes.get('comment'),
req.remote_addr)
return True
def listAttachments(self, req, pagename):
""" Lists attachments on a given page. """
return [pagename + '/' + a.filename for a in Attachment.select(self.env, 'wiki', pagename)]
def getAttachment(self, req, path):
""" returns the content of an attachment. """
pagename, filename = posixpath.split(path)
attachment = Attachment(self.env, 'wiki', pagename, filename)
return xmlrpclib.Binary(attachment.open().read())
def putAttachment(self, req, path, data):
""" (over)writes an attachment. Returns True if successful.
This method is compatible with WikiRPC. `putAttachmentEx` has a more
extensive set of (Trac-specific) features. """
pagename, filename = posixpath.split(path)
self.putAttachmentEx(req, pagename, filename, None, data)
return True
def putAttachmentEx(self, req, pagename, filename, description, data, replace=True):
""" Attach a file to a Wiki page. Returns the (possibly transformed)
filename of the attachment.
Use this method if you don't care about WikiRPC compatibility. """
if not WikiPage(self.env, pagename).exists:
raise TracError, 'Wiki page "%s" does not exist' % pagename
if replace:
try:
attachment = Attachment(self.env, 'wiki', pagename, filename)
attachment.delete()
except TracError:
pass
attachment = Attachment(self.env, 'wiki', pagename)
attachment.author = req.authname or 'anonymous'
attachment.description = description
attachment.insert(filename, StringIO(data.data), len(data.data))
return attachment.filename
def deleteAttachment(self, req, path):
""" Delete an attachment. """
pagename, filename = posixpath.split(path)
if not WikiPage(self.env, pagename).exists:
raise TracError, 'Wiki page "%s" does not exist' % pagename
attachment = Attachment(self.env, 'wiki', pagename, filename)
attachment.delete()
return True
def listLinks(self, req, pagename):
""" ''Not implemented'' """
return []
def wikiToHtml(self, req, text):
""" Render arbitrary Wiki text as HTML. """
return unicode(wiki_to_html(text, self.env, req, absurls=1))
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