Exemplo n.º 1
0
def ops_published_data_crawl_handler(request):
    """Crawl published-data at OPS"""

    # constituents: abstract, biblio and/or full-cycle
    constituents = request.matchdict.get('constituents', 'full-cycle')
    print('constituents:', constituents)

    # CQL query string
    query = request.params.get('expression', '')
    log.info('query raw: ' + query)

    # Transcode CQL query expression
    search = cql_prepare_query(query)

    # Propagate keywords to highlighting component
    keywords_to_response(request, search=search)

    log.info('query cql: ' + search.expression)

    chunksize = int(request.params.get('chunksize', '100'))

    try:
        result = ops_published_data_crawl(constituents, search.expression,
                                          chunksize)
        return result

    except Exception as ex:
        log.error(
            'OPS crawler error: query="{0}", reason={1}, Exception was:\n{2}'.
            format(query, ex, _exception_traceback()))
        request.errors.add('ops-published-data-crawl', 'query', str(ex))
Exemplo n.º 2
0
def ops_published_data_crawl_handler(request):
    """Crawl published-data at OPS"""

    # constituents: abstract, biblio and/or full-cycle
    constituents = request.matchdict.get('constituents', 'full-cycle')
    print 'constituents:', constituents

    # CQL query string
    query = request.params.get('expression', '')
    log.info('query raw: ' + query)

    query_object, query = cql_prepare_query(query)
    propagate_keywords(request, query_object)

    log.info('query cql: ' + query)

    chunksize = int(request.params.get('chunksize', '100'))

    try:
        result = ops_published_data_crawl(constituents, query, chunksize)
        return result

    except Exception as ex:
        log.error(
            u'OPS crawler error: query="{0}", reason={1}, Exception was:\n{2}'.
            format(query, ex, _exception_traceback()))
        request.errors.add('ops-published-data-crawl', 'query', str(ex))
Exemplo n.º 3
0
    def parse(self):

        if self.query_object:
            return self

        # Parse CQL expression and extract keywords
        self.search = cql_prepare_query(self.expression, grammar=IFIClaimsGrammar, keyword_fields=IFIClaimsExpression.fieldnames)
        self.query_object = self.search.cql_parser

        return self
Exemplo n.º 4
0
    def parse(self):

        if self.query_object:
            return self

        # Parse expression, extract and propagate keywords
        self.query_object, query_recompiled = cql_prepare_query(
            self.expression,
            grammar=DepaTechGrammar,
            keyword_fields=DepaTechExpression.fieldnames)

        return self
Exemplo n.º 5
0
def depatisnet_published_data_search_handler(request):
    """Search for published-data at DEPATISnet"""

    #pprint(request.params)

    # CQL query string
    query = request.params.get('expression', '')
    log.info('query raw: ' + query)

    # lazy-fetch more entries up to maximum of depatisnet
    # TODO: get from patzilla.access.dpma.depatisnet
    request_size = 250
    if int(request.params.get('range_begin', 0)) > request_size:
        request_size = 1000

    # Compute query options, like
    # - limit
    # - sorting
    # - whether to remove family members
    options = {}
    options.update({'limit': request_size})

    # propagate request parameters to search options parameters
    request_to_options(request, options)

    # transcode CQL query
    query_object, query = cql_prepare_query(query)
    log.info('query cql: ' + query)

    # propagate keywords to highlighting component
    propagate_keywords(request, query_object)

    try:
        return dpma_published_data_search(query, options)

    except SyntaxError as ex:
        request.errors.add('depatisnet-search', 'expression', str(ex.msg))
        log.warn(request.errors)

    except NoResultsException as ex:
        # Forward response to let the frontend recognize zero hits
        request.response.status = HTTPNotFound.code
        return ex.data

    except Exception as ex:
        message = handle_generic_exception(request, ex, 'depatisnet-search', query)
        request.errors.add('depatisnet-search', 'search', message)
Exemplo n.º 6
0
def ops_published_data_search_handler(request):
    """Search for published-data at OPS"""

    # Constituents: abstract, biblio and/or full-cycle
    constituents = request.params.get('constituents', 'full-cycle')

    # CQL query string
    query = request.params.get('expression', '')
    log.info('query raw: %s', query)

    # Transcode CQL query expression
    search = cql_prepare_query(query)

    log.info('query cql: %s', search.expression)

    # range: x-y, maximum delta is 100, default is 25
    range = request.params.get('range')
    range = range or '1-25'

    # Search options
    family_swap_default = asbool(request.params.get('family_swap_default'))

    try:
        if family_swap_default:
            result = ops_published_data_search_swap_family(
                constituents, search.expression, range)
        else:
            result = ops_published_data_search(constituents, search.expression,
                                               range)

        # Propagate keywords to highlighting component
        keywords_to_response(request, search=search)

        return result

    except NoResultsException as ex:
        # Forward response to let the frontend recognize zero hits
        request.response.status = HTTPNotFound.code
        return ex.data

    except Exception as ex:
        message = handle_generic_exception(request, ex, 'ops-search',
                                           search.expression)
        request.errors.add('ops-search', 'search', message)

    log.info('query finished')
Exemplo n.º 7
0
def prepare_search(request):

    #pprint(request.params)

    # CQL expression string
    expression = request.params.get('expression', '').strip()

    # Compute expression syntax
    syntax_cql = asbool(
        request.params.get('query_data[modifiers][syntax-cql]'))
    syntax_ikofax = asbool(
        request.params.get('query_data[modifiers][syntax-ikofax]'))
    syntax = 'cql'
    if syntax_ikofax or expression.startswith('ikofax:'):
        expression = expression.replace('ikofax:', '')
        syntax = 'ikofax'

    log.info(u'DEPATISnet query: {}, syntax: {}'.format(expression, syntax))

    # Compute query options, like
    # - limit
    # - sorting
    # - whether to remove family members
    options = {}
    options.update({'syntax': syntax})

    # propagate request parameters to search options parameters
    request_to_options(request, options)

    # Transcode query expression
    if syntax == 'cql':
        search = cql_prepare_query(expression)
    elif syntax == 'ikofax':
        search = ikofax_prepare_query(expression)
    else:
        request.errors.add('depatisnet-search', 'expression',
                           u'Unknown syntax {}'.format(syntax))

    # Propagate keywords to highlighting component
    keywords_to_response(request, search=search)

    return search, options
Exemplo n.º 8
0
def depatisnet_published_data_crawl_handler(request):
    """Crawl published-data at DEPATISnet"""

    # CQL query string
    query = request.params.get('expression', '')
    log.info('query raw: ' + query)

    query_object, query = cql_prepare_query(query)
    propagate_keywords(request, query_object)

    chunksize = 1000

    # Compute query options, like
    # - limit
    # - sorting
    # - whether to remove family members
    options = {}
    options.update({'limit': chunksize})

    # propagate request parameters to search options parameters
    request_to_options(request, options)

    log.info('query cql: ' + query)
    try:
        result = dpma_published_data_search(query, options)
        return result

    except SyntaxError as ex:
        request.errors.add('depatisnet-search', 'expression', str(ex.msg))
        log.warn(request.errors)

    except Exception as ex:
        http_response = None
        if hasattr(ex, 'http_response'):
            http_response = ex.http_response
        log.error(u'DEPATISnet crawler error: query="{0}", reason={1}\nresponse:\n{2}\nexception:\n{3}'.format(
            query, ex, http_response, _exception_traceback()))

        message = u'An exception occurred while processing your query<br/>Reason: {}'.format(ex)
        request.errors.add('depatisnet-search', 'crawl', message)