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# -*- coding: utf-8 -*-
"""
License: BSD
(c) 2005-2008 ::: Alec Thomas (alec@swapoff.org)
(c) 2009 ::: www.CodeResort.com - BV Network AS (simon-code@bvnetwork.no)
"""
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
import xmlrpclib
import os
from trac.core import *
from trac.resource import Resource
from trac.util.datefmt import to_timestamp, to_datetime, utc
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
class WikiRPC(Component):
"""Superset 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 (None, ((dict, xmlrpclib.DateTime),), self.getRecentChanges)
yield ('WIKI_VIEW', ((int,),), self.getRPCVersionSupported)
yield (None, ((str, str), (str, str, int),), self.getPage)
yield (None, ((str, str, int),), self.getPage, 'getPageVersion')
yield (None, ((str, str), (str, str, int)), self.getPageHTML)
yield (None, ((str, str), (str, str, int)), self.getPageHTML, 'getPageHTMLVersion')
yield (None, ((list,),), self.getAllPages)
yield (None, ((dict, str), (dict, str, int)), self.getPageInfo)
yield (None, ((dict, str, int),), self.getPageInfo, 'getPageInfoVersion')
yield (None, ((bool, str, str, dict),), self.putPage)
yield (None, ((list, str),), self.listAttachments)
yield (None, ((xmlrpclib.Binary, str),), self.getAttachment)
yield (None, ((bool, str, xmlrpclib.Binary),), self.putAttachment)
yield (None, ((bool, str, str, str, xmlrpclib.Binary),
(bool, str, str, str, xmlrpclib.Binary, bool)),
self.putAttachmentEx)
yield (None, ((bool, str),(bool, str, int)), self.deletePage)
yield (None, ((bool, str),), self.deleteAttachment)
yield ('WIKI_VIEW', ((list, str),), self.listLinks)
yield ('WIKI_VIEW', ((str, str),), self.wikiToHtml)
def _page_info(self, name, when, author, version, comment):
return dict(name=name, lastModified=to_datetime(when, utc),
author=author, version=int(version), comment=comment)
def getRecentChanges(self, req, since):
""" Get list of changed pages since timestamp """
since = to_timestamp(since)
wiki_realm = Resource('wiki')
db = self.env.get_db_cnx()
cursor = db.cursor()
cursor.execute('SELECT name, max(time), author, version, comment FROM wiki'
' WHERE time >= %s GROUP BY name ORDER BY max(time) DESC', (since,))
result = []
for name, when, author, version, comment in cursor:
if 'WIKI_VIEW' in req.perm(wiki_realm(id=name, version=version)):
result.append(
self._page_info(name, when, author, version, comment))
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)
req.perm(page.resource).require('WIKI_VIEW')
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. """
pages = []
for page in self.wiki.get_pages():
if 'WIKI_VIEW' in req.perm(Resource('wiki', page)):
pages.append(page)
return pages
def getPageInfo(self, req, pagename, version=None):
""" Returns information about the given page. """
page = WikiPage(self.env, pagename, version)
req.perm(page.resource).require('WIKI_VIEW')
if page.exists:
last_update = page.get_history().next()
return self._page_info(page.name, last_update[1],
last_update[2], page.version, page.comment)
def putPage(self, req, pagename, content, attributes):
""" writes the content of the page. """
page = WikiPage(self.env, pagename)
if page.readonly:
req.perm(page.resource).require('WIKI_ADMIN')
elif not page.exists:
req.perm(page.resource).require('WIKI_CREATE')
else:
req.perm(page.resource).require('WIKI_MODIFY')
page.text = content
if req.perm(page.resource).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 deletePage(self, req, name, version=None):
"""Delete a Wiki page (all versions) or a specific version by
including an optional version number. Attachments will also be
deleted if page no longer exists. Returns True for success."""
wp = WikiPage(self.env, name, version)
req.perm(wp.resource).require('WIKI_DELETE')
try:
wp.delete(version)
return True
except:
return False
def listAttachments(self, req, pagename):
""" Lists attachments on a given page. """
for a in Attachment.select(self.env, 'wiki', pagename):
if 'ATTACHMENT_VIEW' in req.perm(a.resource):
yield pagename + '/' + a.filename
def getAttachment(self, req, path):
""" returns the content of an attachment. """
pagename, filename = os.path.split(path)
attachment = Attachment(self.env, 'wiki', pagename, filename)
req.perm(attachment.resource).require('ATTACHMENT_VIEW')
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 = os.path.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)
req.perm(attachment.resource).require('ATTACHMENT_DELETE')
attachment.delete()
except TracError:
pass
attachment = Attachment(self.env, 'wiki', pagename)
req.perm(attachment.resource).require('ATTACHMENT_CREATE')
attachment.author = req.authname
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 = os.path.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)
req.perm(attachment.resource).require('ATTACHMENT_DELETE')
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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