Inheritance diagram for main.DataHandler:

Public Member Functions
	get (self, name)

	getUserData (self, articleKeys=None)

	canData (self)

	canDataZip (self)

Detailed Description

Definition at line 293 of file main.py.

Member Function Documentation

◆ canData()

main.DataHandler.canData ( self )

Definition at line 343 of file main.py.

    def canData(self):
 
        def makeDartSafe(data):
            return repr(unicode(data))[1:].replace('$', '\\$')
 
        lines = [
            '// TODO(jimhug): Work out correct copyright for this file.',
            'class CannedData {'
        ]
 
        user = users.get_current_user()
        prefs = UserData.get_by_key_name(user.user_id())
        articleKeys = []
        data = prefs.getEncodedData(articleKeys)
        lines.append('  static const Map<String,String> data = const {')
        for article in db.get(articleKeys):
            key = makeDartSafe(urllib.quote(article.key().name()) + '.html')
            lines.append('    %s:%s, ' % (key, makeDartSafe(article.content)))
 
        lines.append('    "user.data":%s' % makeDartSafe(data))
 
        lines.append('  };')
 
        lines.append('}')
        self.response.headers['Content-Type'] = 'application/dart'
        self.response.out.write('\n'.join(lines))
 

◆ canDataZip()

main.DataHandler.canDataZip ( self )

Definition at line 371 of file main.py.

    def canDataZip(self):
        # We need to zip into an in-memory buffer to get the right string encoding
        # behavior.
        data = StringIO.StringIO()
        result = zipfile.ZipFile(data, 'w')
 
        articleKeys = []
        result.writestr('data/user.data',
                        self.getUserData(articleKeys).encode('utf-8'))
        logging.info('  adding articles %s' % len(articleKeys))
        images = []
        for article in db.get(articleKeys):
            article.ensureThumbnail()
            path = 'data/' + article.key().name() + '.html'
            result.writestr(path.encode('utf-8'),
                            article.content.encode('utf-8'))
            if article.thumbnail:
                path = 'data/' + article.key().name() + '.jpg'
                result.writestr(path.encode('utf-8'), article.thumbnail)
 
        result.close()
        logging.info('writing CannedData.zip')
        self.response.headers['Content-Type'] = 'multipart/x-zip'
        disposition = 'attachment; filename=CannedData.zip'
        self.response.headers['Content-Disposition'] = disposition
        self.response.out.write(data.getvalue())
        data.close()
 
 

◆ get()

main.DataHandler.get	(	self,
		name
	)

Definition at line 295 of file main.py.

    def get(self, name):
        if name.endswith('.jpg'):
            # Must be a thumbnail
            key = urllib2.unquote(name[:-len('.jpg')])
            article = Article.get_by_key_name(key)
            self.response.headers['Content-Type'] = 'image/jpeg'
            # cache images for 10 hours
            self.response.headers['Cache-Control'] = 'public,max-age=36000'
            article.ensureThumbnail()
            self.response.out.write(article.thumbnail)
        elif name.endswith('.html'):
            # Must be article content
            key = urllib2.unquote(name[:-len('.html')])
            article = Article.get_by_key_name(key)
            self.response.headers['Content-Type'] = 'text/html'
            if article is None:
                content = '<h2>Missing article</h2>'
            else:
                content = article.content
            # cache article content for 10 hours
            self.response.headers['Cache-Control'] = 'public,max-age=36000'
            self.response.out.write(content)
        elif name == 'user.data':
            self.response.out.write(self.getUserData())
        elif name == 'CannedData.dart':
            self.canData()
        elif name == 'CannedData.zip':
            self.canDataZip()
        else:
            self.error(404)
 

◆ getUserData()

main.DataHandler.getUserData	(	self,
		articleKeys = `None`
	)

Definition at line 326 of file main.py.

    def getUserData(self, articleKeys=None):
        user = users.get_current_user()
        user_id = user.user_id()
 
        key = 'data_' + user_id
        # need to flush memcache fairly frequently...
        data = memcache.get(key)
        if data is None:
            prefs = UserData.get_or_insert(user_id)
            if prefs is None:
                # TODO(jimhug): Graceful failure for unknown users.
                pass
            data = prefs.getEncodedData(articleKeys)
            # TODO(jimhug): memcache.set(key, data)
 
        return data
 

The documentation for this class was generated from the following file: