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#! /usr/bin/env python
# Copyright (c) 2008, PediaPress GmbH
# See README.txt for additional licensing information.
import os
import shutil
import simplejson
import tempfile
from zipfile import ZipFile
from mwlib.metabook import MetaBook
from mwlib import uparser
class Wiki(object):
def __init__(self, zipfile):
"""
@type zipfile: basestring or ZipFile
"""
if isinstance(zipfile, ZipFile):
self.zf = zipfile
else:
self.zf = ZipFile(zipfile)
self.metabook = MetaBook()
self.metabook.loadJson(self.zf.read("metabook.json"))
content = simplejson.loads(self.zf.read('content.json'))
self.articles = content['articles']
self.templates = content['templates']
def _getArticle(self, title, revision=None):
try:
article = self.articles[title]
if revision is None or article['revision'] == revision:
return article
except KeyError:
pass
return None
def getRawArticle(self, title, revision=None):
article = self._getArticle(title, revision=revision)
if article:
return article['content']
return None
def getParsedArticle(self, title, revision=None):
raw = self.getRawArticle(title, revision=revision)
if raw is None:
return None
a = uparser.parseString(title=title, raw=raw, wikidb=self)
return a
def getURL(self, title, revision=None):
article = self._getArticle(title, revision=revision)
if article:
return article['url']
return None
def getAuthors(self, title, revision=None):
article = self._getArticle(title, revision=revision)
if article:
return article.get('authors', [])
return None
def getTemplate(self, name, followRedirects=True):
try:
return self.templates[name]['content']
except KeyError:
pass
return None
class ImageDB(object):
def __init__(self, zipfile, tmpdir=None):
"""
@type zipfile: basestring or ZipFile
"""
if isinstance(zipfile, ZipFile):
self.zf = zipfile
else:
self.zf = ZipFile(zipfile)
content = simplejson.loads(self.zf.read('content.json'))
self.images = content['images']
self._tmpdir = tmpdir
self.diskpaths = {}
@property
def tmpdir(self):
if self._tmpdir is None:
self._tmpdir = unicode(tempfile.mkdtemp())
return self._tmpdir
def getDiskPath(self, name, size=None):
try:
return self.diskpaths[name]
except KeyError:
pass
try:
data = self.zf.read('images/%s' % name.replace("'", '-').encode('utf-8'))
except KeyError: # no such file
return None
try:
ext = '.' + name.rsplit('.', 1)[1]
except IndexError:
ext = ''
if ext.lower() == '.svg':
ext = '.svg.png'
elif ext.lower() == '.gif':
ext = '.gif.png'
res = os.path.join(self.tmpdir, 'image%04d%s' % (len(self.diskpaths), ext))
self.diskpaths[name] = res
f=open(res, "wb")
f.write(data)
f.close()
return res
def getLicense(self, name):
try:
return self.images[name]['license']
except KeyError:
return None
def getPath(self):
raise NotImplemented('getPath() does not work with zipwiki.ImageDB!')
def getURL(self, name):
try:
return self.images[name]['url']
except KeyError:
return None
def clean(self):
if self._tmpdir:
shutil.rmtree(self._tmpdir, ignore_errors=True)
class FakeImageDB(ImageDB):
imagedata = '\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x03 \x00\x00\x01\xe0\x01\x03\x00\x00\x00g\xc9\x9b\xb6\x00\x00\x00\x01sRGB\x00\xae\xce\x1c\xe9\x00\x00\x00\x06PLTE\xff\xff\xff\x00\x00\x00U\xc2\xd3~\x00\x00\x00\tpHYs\x00\x00\x0b\x13\x00\x00\x0b\x13\x01\x00\x9a\x9c\x18\x00\x00\x00EIDATx\xda\xed\xc1\x01\x01\x00\x00\x00\x82 \xff\xafnH@\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00/\x06\xbd`\x00\x01`<5\x84\x00\x00\x00\x00IEND\xaeB`\x82'
def __init__(self, tmpdir=None):
"""
@type zipfile: basestring or ZipFile
"""
self._tmpdir = tmpdir
def getDiskPath(self, name, size=None):
res = os.path.join(self.tmpdir, 'blank.png')
if not os.path.exists(res):
open(res, "w").write(self.imagedata)
return res
def getPath(self):
raise NotImplemented('getPath() does not work with zipwiki.FakeImageDB!')
def getURL(self, name):
raise NotImplemented('getURL() does not work with zipwiki.FakeImageDB!')
def getLicense(self, name):
raise NotImplemented('getLicense() does not work with zipwiki.FakeImageDB!')
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