Exemple #1
0
class MetadataXML(object):
    """
    WSGI app for downloading metadata in XML format
    """
    def __init__(self):
        from medin.dws import MetadataRequest
        self.request = MetadataRequest()

        self.obfuscate_emails = ObfuscateEmails(
        )  # ensure emails are obfuscated when rendered

    def prepareSOAP(self, environ):
        gid = environ['selector.vars']['gid']  # the global metadata identifier
        fmt = environ['selector.vars']['format']  # the requested format

        if fmt not in self.request.getMetadataFormats(
                environ['logging.logger']):
            raise HTTPError('404 Not Found',
                            'The metadata format is not supported: %s' % fmt)

        self.gid = gid
        self.fmt = fmt
        return self.request.prepareCaller(environ['logging.logger'], gid, fmt)

    def __call__(self, environ, start_response):
        from os.path import splitext

        self.prepareSOAP(environ)
        gid, fmt = self.gid, self.fmt
        response = self.request()
        if not response:
            raise HTTPError('404 Not Found',
                            'The metadata record does not exist: %s' % gid)

        document = self.obfuscate_emails(response.xml)
        if not document:
            raise HTTPError(
                '404 Not Found',
                'The metadata format does not contain any data: %s' % fmt)

        # Check if the client needs a new version
        headers = []
        date = response.date
        if date:
            etag = check_etag(environ, date)
            headers.extend([('Etag', etag),
                            ('Cache-Control', 'no-cache, must-revalidate')])

        filename = gid
        if splitext(filename)[1] != '.xml':
            filename += '.xml'

        headers.extend([('Content-disposition',
                         'attachment; filename="%s"' % filename),
                        ('Content-Type', 'application/xml')])

        start_response('200 OK', headers)
        return [document]
Exemple #2
0
class MetadataXML(object):
    """
    WSGI app for downloading metadata in XML format
    """

    def __init__(self):
        from medin.dws import MetadataRequest
        self.request = MetadataRequest()

        self.obfuscate_emails = ObfuscateEmails() # ensure emails are obfuscated when rendered

    def prepareSOAP(self, environ):
        gid = environ['selector.vars']['gid'] # the global metadata identifier
        fmt = environ['selector.vars']['format'] # the requested format

        if fmt not in self.request.getMetadataFormats(environ['logging.logger']):
            raise HTTPError('404 Not Found', 'The metadata format is not supported: %s' % fmt)

        self.gid = gid
        self.fmt = fmt
        return self.request.prepareCaller(environ['logging.logger'], gid, fmt)

    def __call__(self, environ, start_response):
        from os.path import splitext

        self.prepareSOAP(environ)
        gid, fmt = self.gid, self.fmt
        response = self.request()
        if not response:
            raise HTTPError('404 Not Found', 'The metadata record does not exist: %s' % gid)

        document = self.obfuscate_emails(response.xml)
        if not document:
            raise HTTPError('404 Not Found', 'The metadata format does not contain any data: %s' % fmt)

        # Check if the client needs a new version
        headers = []
        date = response.date
        if date:
            etag = check_etag(environ, date)
            headers.extend([('Etag', etag),
                            ('Cache-Control', 'no-cache, must-revalidate')])

        filename = gid
        if splitext(filename)[1] != '.xml':
            filename += '.xml'

        headers.extend([('Content-disposition', 'attachment; filename="%s"' % filename),
                        ('Content-Type', 'application/xml')])

        start_response('200 OK', headers)
        return [document]
Exemple #3
0
    def __init__(self):
        from medin.dws import MetadataRequest
        self.request = MetadataRequest()

        self.obfuscate_emails = ObfuscateEmails(
        )  # ensure emails are obfuscated when rendered
Exemple #4
0
    def __init__(self):
        from medin.dws import MetadataRequest
        self.request = MetadataRequest()

        self.obfuscate_emails = ObfuscateEmails() # ensure emails are obfuscated when rendered