예제 #1
0
파일: plugin.py 프로젝트: bbcf/bs
    def _validate(self, **kw):
        debug('_validate %s' % kw,)
        bs_private = copy.deepcopy(json.loads(kw['bs_private']))
        plugin_id = bs_private['pp']['id']
        plug = operations.get_plugin_byId(plugin_id)
        obj = plug
        info = obj.info
        form = info.get('output')()

        # prefilling form (if the validation fail, respons must contain the form prefilled
        # perhaps we can do this only if the form validation fail)
        if 'prefill' in bs_private:
            prefill_fields(info.get('in'), form, bs_private['prefill'], kw, replace_value=False)
            debug('prefill in validation',)
            del bs_private['prefill']

        response.headers['Access-Control-Allow-Headers'] = 'X-CSRF-Token'
        response.headers['Access-Control-Allow-Origin'] = '*'
        form = form().req()
        try:
            kw = form.validate(kw)
        except twc.ValidationError as e:
            main_proxy = tg.config.get('main.proxy')
            e.widget.action = main_proxy + tg.url('plugins/fetch', {'oid': plugin_id})
            util.print_traceback()
            return {'page': 'plugin', 'desc': info.get('description'), 'title': info.get('title'), 'widget': e.widget}
        return json.dumps({'validated': True, 'params': kw})
예제 #2
0
파일: plugin.py 프로젝트: yjarosz/bs
    def _validate(self, **kw):
        debug('_validate %s' % kw, )
        bs_private = copy.deepcopy(json.loads(kw['bs_private']))
        plugin_id = bs_private['pp']['id']
        plug = operations.get_plugin_byId(plugin_id)
        obj = plug
        info = obj.info
        form = info.get('output')()

        # prefilling form (if the validation fail, respons must contain the form prefilled
        # perhaps we can do this only if the form validation fail)
        if 'prefill' in bs_private:
            prefill_fields(info.get('in'),
                           form,
                           bs_private['prefill'],
                           kw,
                           replace_value=False)
            debug('prefill in validation', )
            del bs_private['prefill']

        response.headers['Access-Control-Allow-Headers'] = 'X-CSRF-Token'
        response.headers['Access-Control-Allow-Origin'] = '*'
        form = form().req()
        try:
            kw = form.validate(kw)
        except twc.ValidationError as e:
            main_proxy = tg.config.get('main.proxy')
            e.widget.action = main_proxy + tg.url('plugins/fetch',
                                                  {'oid': plugin_id})
            util.print_traceback()
            return {
                'page': 'plugin',
                'desc': info.get('description'),
                'title': info.get('title'),
                'widget': e.widget
            }
        return json.dumps({'validated': True, 'params': kw})
예제 #3
0
파일: tasks.py 프로젝트: bbcf/bs
def plugin_job(user, plug, inputs_directory, outputs_directory, dwdfiles, plugin_info,
               user_parameters, service_callback, bioscript_callback, **form_parameters):
    

    debug('FETCHING FILES ... %s' % form_parameters)
    raised = False
    task_id = plugin_job.request.id
    try:
        # FETCHING FILES
        current_task.update_state(state='FETCHING FILES')
        inputs_directory = fetchurls(user, plug, dwdfiles, inputs_directory, form_parameters)

        debug('PLUGIN PROCESS STARTED ...')
        # PLUGIN PROCESS
        current_task.update_state(state='STARTED')
   
        try:
            debug('user params : %s' % user_parameters)
            user_parameters = json.loads(user_parameters)
        except TypeError as e:
            debug(e)
        

        if service_callback is not None:
            callback_service(service_callback, plugin_info['generated_id'], task_id, 'RUNNING', additional=user_parameters)

        debug('task launched user.name: %s, indir: %s, oudir: %s' % (user.name, inputs_directory, outputs_directory))
        # get plugin class
        plugin = operations.get_plugin_byId(plugin_info['generated_id'])
        if plugin is None:
            raise Exception('Plugin not found by the worker.')
        plugin.is_debug = DEBUG_PLUGINS

        debug('plugin operation start %s' % form_parameters)
        plugin._start_timer()
        results = []
        # call plugin with form parameters
        try:
            os.chdir(TMP_DIR)
            ret = plugin(**form_parameters)
            results = [{'is_file': False,
                        'value': ret}]
        except Exception as e:
            debug("ERROR %s" % e)
            util.print_traceback()
            if service_callback is not None:
                user_parameters.update({'error': str(e)})
                callback_service(service_callback, plugin_info['generated_id'], task_id, 'FAILED', additional=user_parameters)
            # deleting plugin temporary files
            for todel in plugin.tmp_files:
                debug('deleting %s' % todel)
                shutil.rmtree(todel, onerror=shutilerror)
            #debug('deleting %s' % outputs_directory)
            #shutil.rmtree(outputs_directory, onerror=shutilerror)
            if file_is_in_bs(TMP_DIR, inputs_directory):
                debug('deleting %s' % inputs_directory)
                shutil.rmtree(inputs_directory, onerror=shutilerror)

            if len(plugin.debug_stack) > 0:
                debug("Adding debug stack to error")
                debug_error = '\n [x] DEBUG STACK : %s' % '\n'.join([d for d in plugin.debug_stack])
                if not e.args:
                    e.args = ('',)
                e.args = (e.args[0] + debug_error,) + e.args[1:]
            raised = True
            raise

        # mkdir output directory
        out = os.path.join(outputs_directory, task_id)
        debug('mkdir out path : %s' % out)
        try:
            os.mkdir(out)
        except OSError, e:
            if e.errno == errno.EEXIST:
                io.rm(out)
                os.mkdir(out)
        debug('moving files')
        # moving files to the output directory
        for output_file, output_type in plugin.output_files:
            debug('f: %s to : %s' % (output_file, out))
            out_path = os.path.join(out, os.path.split(output_file)[1])
            io.mv(output_file, out)
            results.append({'is_file': True, 'path': out_path, 'type': output_type})

        # deleting plugin temporary files
        for todel in plugin.tmp_files:
            debug('deleting %s' % todel)
            shutil.rmtree(todel, onerror=shutilerror)
        if file_is_in_bs(TMP_DIR, inputs_directory):
                debug('deleting %s' % inputs_directory)
                shutil.rmtree(inputs_directory, onerror=shutilerror)

        # updating bioscript with the results
        debug('CALLBACK to %s for task %s' % (bioscript_callback, task_id))
        debug(cbbioscript(bioscript_callback, task_id, json.dumps(results)))
        debug("END")
        # callback
        if service_callback is not None:
            callback_service(service_callback, plugin_info['generated_id'], task_id, 'SUCCESS',
                results=json.dumps(results), additional=user_parameters)
예제 #4
0
파일: plugin.py 프로젝트: bbcf/bs
    def fetch(self, oid, *args, **kw):
        """
        Display the form by it's id
        """
        debug('\n[plugin controller]FETCH')
        # check plugin id
        plug = None
        try:
            plug = operations.get_plugin_byId(oid)
        except:
            tg.abort(400, "Bad plugin identifier")

        debug('[x] get plugin %s' % oid,)
        # get the plugin
        obj = plug
        info = obj.info
        form = info.get('output')()
        desc = plug.description_as_html

        debug('[x] params =  %s' % kw,)
        # bioscript parameters
        bs_private = {}
        if 'bs_private' in kw:
            bs_private = json.loads(kw['bs_private'])
            debug("[x] get bs private parameters %s" % bs_private,)

        if 'prefill' in bs_private:
            prefill_fields(info.get('in'), form, bs_private['prefill'], kw)

        # add some private parameters from BioScript
        pp = {'id': oid}
        # if user is a service, add the key & the mail in the authentication
        user = util.get_user(tg.request)
        if user.is_service:
            pp['mail'] = user.email
            pp['key'] = user.key
        bs_private['pp'] = pp

        # prepare form output
        main_proxy = tg.config.get('main.proxy')
        widget = form(action=main_proxy + tg.url('/plugins/validate', {'id': oid})).req()
        widget.value = {'bs_private': json.dumps(bs_private), 'key': user.key}
        debug('display plugin with bs_private : %s' % bs_private)
        debug('vaaalue : %s' % widget.value)

        debug(user)
        debug('END FETCH')
        html_doc = ''
        html_src_code = ''
        try:
            html_doc = obj.html_doc_link()
            html_src_code = obj.html_source_code_link()
        except Exception as e:
            print '"html_doc" and "src_code" seems to be missing for your plugin, please update bsplugins to the last version'
            print e

        meta = info.get('meta', {})
        return {'page': 'plugin',
        'desc': desc,
        'title': info.get('title'),
        'widget': widget,
        'html_doc': html_doc,
        'html_src_code': html_src_code,
        'author': meta.get('author'),
        'contact': meta.get('contact')}
예제 #5
0
파일: plugin.py 프로젝트: bbcf/bs
    def validate(self, **kw):
        """
        plugin parameters validation
        """
        user = util.get_user(tg.request)
        # get private bioscript parameters
        if not 'bs_private' in kw:
            debug('bs_private not found')
            tg.abort(400, "Plugin identifier not found in the request.")
        bs_private = copy.deepcopy(json.loads(kw['bs_private']))

        debug('\n[plugin controller]\nVALIDATE %s' % kw,)


        # get the plugin from the private parameters
        plugin_id = 0
        try:
            plugin_id = bs_private['pp']['id']
        except KeyError:
            tg.abort(400, "Plugin identifier not found in the request.")
        if plugin_id == 0:
            tg.abort(400, "Plugin identifier not found in the request.")
        plug = operations.get_plugin_byId(plugin_id)
        if plug is None:
            tg.abort(400, "Bad plugin identifier.")

        # get the plugin from database
        plugin_db = DBSession.query(Plugin).filter(Plugin.generated_id == plug.unique_id()).first()

        


        # validate the form
        # we must do an HTTP call because I don't find a way
        # to call the 'render' method on 'plugin_validate' template
        request_url = tg.config.get('main.proxy') + '/plugins/_validate'
        validated = True
        info = plug.info
        # get the callback if any
        callback = kw.get('callback', 'callback')
        try:
            form = urllib2.urlopen(request_url, urllib.urlencode(kw)).read()

            # add some header because the request can come from another domain
            response.headers['Access-Control-Allow-Headers'] = 'X-CSRF-Token'
            response.headers['Access-Control-Allow-Origin'] = '*'

            
            try:
                form = json.loads(form)
            except:
                pass
           
            validated = isinstance(form, dict)


        except Exception as e:
            util.print_traceback()
            validated = False
            form = 'Problem with Bioscript server.'

        if not validated:
            debug('Validation failed',)
            return json.dumps({'validation': 'failed',
                               'desc': info.get('description'),
                               'title': info.get('title'),
                               'widget': form,
                               'callback': callback})

        # validation passes
        new_params = form['params']
        new_params = kw
        debug('Validation passes with params : %s' % new_params,)

        # we regoup all multi stuff in a single list:
        # for instance a multi field will give parameters like:
        # {SigMulti:1:signals: val1, SigMulti:2:signals: val2, ...}
        # and we will transform it to
        # {SigMulti: { signals : [val1, val2], ...}
        
        grouped_params = {}
        todel = []
        for k, v in new_params.iteritems():
            m = multipattern.match(k)
            if m is not None:
                todel.append(k)
                if v or isinstance(v, cgi.FieldStorage):
                    key1, n, key2 = m.groups()
                    if key1 not in grouped_params:
                        grouped_params[key1] = {}
                    if key2 in grouped_params[key1]:
                        grouped_params[key1][key2][int(n) - 1] = v
                    elif not key2.endswith('bs_group'):
                        sl = SparseList()
                        sl[int(n) - 1] = v
                        grouped_params[key1][key2] = sl


        debug('group "multi" params: %s' % grouped_params)
        # debug('check fieldstorages',)
        # # must keep fieldstorages because they were converted to str
        # fs_bk = []
        # import cgi
        # for k, v in kw.iteritems():
        #     if isinstance(v, cgi.FieldStorage):
        #         fs_bk.append((k, v))
        # debug(fs_bk)

        # for fsk, fsv in fs_bk:
        #     m = multipattern.match(fsk)
        #     if m:
        #         key1, n, key2 = m.groups()
        #         grouped_params[key1][key2][int(n) - 1] = fsv
        #     else:
        #         grouped_params[fsk] = fsv
        new_params.update(grouped_params)
        
        # delete multi parameters
        for td in todel:
            del new_params[td]

        # but we need to keep all params that are multi and urls
        kw = new_params
       
        #remove private parameters from the request
        if 'bs_private' in kw:
            del kw['bs_private']
        if 'key' in kw:
            del kw['key']

        debug('New params are : %s' % new_params,)

        # update plugin arameters
        # log the request, it's a valid one
        plugin_request = _log_form_request(plugin_id=plugin_db.id, user=user, parameters=dict(kw))
        DBSession.add(plugin_request)
    
        debug('get output directory',)
        # get output directory to write results
        outputs_directory = filemanager.temporary_directory(constants.paths['data'])
        service_callback = None
        # if the user is a service, get parameters from configuration
        if user.is_service:
            debug('is service',)
            o = services.service_manager.get(user.name, constants.SERVICE_RESULT_ROOT_PARAMETER)
            if o:
                outputs_directory = o
            service_callback = services.service_manager.get(user.name, constants.SERVICE_CALLBACK_URL_PARAMETER)
        debug('Write result in %s' % outputs_directory,)
        

        # get prvate parameters from the request
        private_parameters = bs_private.get('app', "{}")

        # get response configuration from the request
        resp_config = bs_private.get('cfg', None)
        plugin_info = {'title': info['title'],
                       'plugin_id': plugin_db.id,
                       'generated_id': plugin_db.generated_id,
                       'description': info['description'],
                       'path': info['path'],
                       'in': info['in'],
                       'out': info['out'],
                       'meta': info['meta']}

        # define the bioscript callback
        bioscript_callback = tg.config.get('main.proxy') + '/' + tg.url('plugins/callback_results')
        debug("callback on bs : %s " % bioscript_callback,)

        # if some files come from a file field, we must download them directly
        inputs_directory, dwdfiles = filemanager.fetchfilefields(user, plug, kw)

        # chain jobs : fetch files then plugin process
        async_res = tasks.plugin_job.delay(user,
                                   plug,
                                   inputs_directory,
                                   outputs_directory,
                                   dwdfiles,
                                   plugin_info,
                                   private_parameters,
                                   service_callback,
                                   bioscript_callback,
                                   **kw)

        task_id = async_res.task_id
        debug('Launch task %s' % task_id,)

        # log the job request
        _log_job_request(plugin_request.id, task_id)

        #prepare the response
        resp = {'validation': 'success',
                'plugin_id': plugin_id,
                'task_id': task_id,
                'callback': callback,
                'app': private_parameters}
        if resp_config and resp_config.get('plugin_info', '') == 'min':
            resp.update({'plugin_info': json.dumps({'title': info['title'],
                                                    'description': info['description'],
                                                    'path': info['path'],
                                                    'in': info['in'],
                                                    'out': info['out'],
                                                    'meta': info['meta']})})
        return json.dumps(resp)
예제 #6
0
def plugin_job(user, plug, inputs_directory, outputs_directory, dwdfiles,
               plugin_info, user_parameters, service_callback,
               bioscript_callback, **form_parameters):

    debug('FETCHING FILES ... %s' % form_parameters)
    raised = False
    task_id = plugin_job.request.id
    try:
        # FETCHING FILES
        current_task.update_state(state='FETCHING FILES')
        inputs_directory = fetchurls(user, plug, dwdfiles, inputs_directory,
                                     form_parameters)

        debug('PLUGIN PROCESS STARTED ...')
        # PLUGIN PROCESS
        current_task.update_state(state='STARTED')

        try:
            debug('user params : %s' % user_parameters)
            user_parameters = json.loads(user_parameters)
        except TypeError as e:
            debug(e)

        if service_callback is not None:
            callback_service(service_callback,
                             plugin_info['generated_id'],
                             task_id,
                             'RUNNING',
                             additional=user_parameters)

        debug('task launched user.name: %s, indir: %s, oudir: %s' %
              (user.name, inputs_directory, outputs_directory))
        # get plugin class
        plugin = operations.get_plugin_byId(plugin_info['generated_id'])
        if plugin is None:
            raise Exception('Plugin not found by the worker.')
        plugin.is_debug = DEBUG_PLUGINS

        debug('plugin operation start %s' % form_parameters)
        plugin._start_timer()
        results = []
        # call plugin with form parameters
        try:
            os.chdir(TMP_DIR)
            ret = plugin(**form_parameters)
            results = [{'is_file': False, 'value': ret}]
        except Exception as e:
            debug("ERROR %s" % e)
            util.print_traceback()
            if service_callback is not None:
                user_parameters.update({'error': str(e)})
                callback_service(service_callback,
                                 plugin_info['generated_id'],
                                 task_id,
                                 'FAILED',
                                 additional=user_parameters)
            # deleting plugin temporary files
            for todel in plugin.tmp_files:
                debug('deleting %s' % todel)
                shutil.rmtree(todel, onerror=shutilerror)
            #debug('deleting %s' % outputs_directory)
            #shutil.rmtree(outputs_directory, onerror=shutilerror)
            if file_is_in_bs(TMP_DIR, inputs_directory):
                debug('deleting %s' % inputs_directory)
                shutil.rmtree(inputs_directory, onerror=shutilerror)

            if len(plugin.debug_stack) > 0:
                debug("Adding debug stack to error")
                debug_error = '\n [x] DEBUG STACK : %s' % '\n'.join(
                    [d for d in plugin.debug_stack])
                if not e.args:
                    e.args = ('', )
                e.args = (e.args[0] + debug_error, ) + e.args[1:]
            raised = True
            raise

        # mkdir output directory
        out = os.path.join(outputs_directory, task_id)
        debug('mkdir out path : %s' % out)
        try:
            os.mkdir(out)
        except OSError, e:
            if e.errno == errno.EEXIST:
                io.rm(out)
                os.mkdir(out)
        debug('moving files')
        # moving files to the output directory
        for output_file, output_type in plugin.output_files:
            debug('f: %s to : %s' % (output_file, out))
            out_path = os.path.join(out, os.path.split(output_file)[1])
            io.mv(output_file, out)
            results.append({
                'is_file': True,
                'path': out_path,
                'type': output_type
            })

        # deleting plugin temporary files
        for todel in plugin.tmp_files:
            debug('deleting %s' % todel)
            shutil.rmtree(todel, onerror=shutilerror)
        if file_is_in_bs(TMP_DIR, inputs_directory):
            debug('deleting %s' % inputs_directory)
            shutil.rmtree(inputs_directory, onerror=shutilerror)

        # updating bioscript with the results
        debug('CALLBACK to %s for task %s' % (bioscript_callback, task_id))
        debug(cbbioscript(bioscript_callback, task_id, json.dumps(results)))
        debug("END")
        # callback
        if service_callback is not None:
            callback_service(service_callback,
                             plugin_info['generated_id'],
                             task_id,
                             'SUCCESS',
                             results=json.dumps(results),
                             additional=user_parameters)
예제 #7
0
파일: plugin.py 프로젝트: yjarosz/bs
    def fetch(self, oid, *args, **kw):
        """
        Display the form by it's id
        """
        debug('\n[plugin controller]FETCH')
        # check plugin id
        plug = None
        try:
            plug = operations.get_plugin_byId(oid)
        except:
            tg.abort(400, "Bad plugin identifier")

        debug('[x] get plugin %s' % oid, )
        # get the plugin
        obj = plug
        info = obj.info
        form = info.get('output')()
        desc = plug.description_as_html

        debug('[x] params =  %s' % kw, )
        # bioscript parameters
        bs_private = {}
        if 'bs_private' in kw:
            bs_private = json.loads(kw['bs_private'])
            debug("[x] get bs private parameters %s" % bs_private, )

        if 'prefill' in bs_private:
            prefill_fields(info.get('in'), form, bs_private['prefill'], kw)

        # add some private parameters from BioScript
        pp = {'id': oid}
        # if user is a service, add the key & the mail in the authentication
        user = util.get_user(tg.request)
        if user.is_service:
            pp['mail'] = user.email
            pp['key'] = user.key
        bs_private['pp'] = pp

        # prepare form output
        main_proxy = tg.config.get('main.proxy')
        widget = form(action=main_proxy +
                      tg.url('/plugins/validate', {'id': oid})).req()
        widget.value = {'bs_private': json.dumps(bs_private), 'key': user.key}
        debug('display plugin with bs_private : %s' % bs_private)
        debug('vaaalue : %s' % widget.value)

        debug(user)
        debug('END FETCH')
        html_doc = ''
        html_src_code = ''
        try:
            html_doc = obj.html_doc_link()
            html_src_code = obj.html_source_code_link()
        except Exception as e:
            print '"html_doc" and "src_code" seems to be missing for your plugin, please update bsplugins to the last version'
            print e

        meta = info.get('meta', {})
        return {
            'page': 'plugin',
            'desc': desc,
            'title': info.get('title'),
            'widget': widget,
            'html_doc': html_doc,
            'html_src_code': html_src_code,
            'author': meta.get('author'),
            'contact': meta.get('contact')
        }
예제 #8
0
파일: plugin.py 프로젝트: yjarosz/bs
    def validate(self, **kw):
        """
        plugin parameters validation
        """
        user = util.get_user(tg.request)
        # get private bioscript parameters
        if not 'bs_private' in kw:
            debug('bs_private not found')
            tg.abort(400, "Plugin identifier not found in the request.")
        bs_private = copy.deepcopy(json.loads(kw['bs_private']))

        debug('\n[plugin controller]\nVALIDATE %s' % kw, )

        # get the plugin from the private parameters
        plugin_id = 0
        try:
            plugin_id = bs_private['pp']['id']
        except KeyError:
            tg.abort(400, "Plugin identifier not found in the request.")
        if plugin_id == 0:
            tg.abort(400, "Plugin identifier not found in the request.")
        plug = operations.get_plugin_byId(plugin_id)
        if plug is None:
            tg.abort(400, "Bad plugin identifier.")

        # get the plugin from database
        plugin_db = DBSession.query(Plugin).filter(
            Plugin.generated_id == plug.unique_id()).first()

        # validate the form
        # we must do an HTTP call because I don't find a way
        # to call the 'render' method on 'plugin_validate' template
        request_url = tg.config.get('main.proxy') + '/plugins/_validate'
        validated = True
        info = plug.info
        # get the callback if any
        callback = kw.get('callback', 'callback')
        try:
            form = urllib2.urlopen(request_url, urllib.urlencode(kw)).read()

            # add some header because the request can come from another domain
            response.headers['Access-Control-Allow-Headers'] = 'X-CSRF-Token'
            response.headers['Access-Control-Allow-Origin'] = '*'

            try:
                form = json.loads(form)
            except:
                pass

            validated = isinstance(form, dict)

        except Exception as e:
            util.print_traceback()
            validated = False
            form = 'Problem with Bioscript server.'

        if not validated:
            debug('Validation failed', )
            return json.dumps({
                'validation': 'failed',
                'desc': info.get('description'),
                'title': info.get('title'),
                'widget': form,
                'callback': callback
            })

        # validation passes
        new_params = form['params']
        new_params = kw
        debug('Validation passes with params : %s' % new_params, )

        # we regoup all multi stuff in a single list:
        # for instance a multi field will give parameters like:
        # {SigMulti:1:signals: val1, SigMulti:2:signals: val2, ...}
        # and we will transform it to
        # {SigMulti: { signals : [val1, val2], ...}

        grouped_params = {}
        todel = []
        for k, v in new_params.iteritems():
            m = multipattern.match(k)
            if m is not None:
                todel.append(k)
                if v or isinstance(v, cgi.FieldStorage):
                    key1, n, key2 = m.groups()
                    if key1 not in grouped_params:
                        grouped_params[key1] = {}
                    if key2 in grouped_params[key1]:
                        grouped_params[key1][key2][int(n) - 1] = v
                    elif not key2.endswith('bs_group'):
                        sl = SparseList()
                        sl[int(n) - 1] = v
                        grouped_params[key1][key2] = sl

        debug('group "multi" params: %s' % grouped_params)
        # debug('check fieldstorages',)
        # # must keep fieldstorages because they were converted to str
        # fs_bk = []
        # import cgi
        # for k, v in kw.iteritems():
        #     if isinstance(v, cgi.FieldStorage):
        #         fs_bk.append((k, v))
        # debug(fs_bk)

        # for fsk, fsv in fs_bk:
        #     m = multipattern.match(fsk)
        #     if m:
        #         key1, n, key2 = m.groups()
        #         grouped_params[key1][key2][int(n) - 1] = fsv
        #     else:
        #         grouped_params[fsk] = fsv
        new_params.update(grouped_params)

        # delete multi parameters
        for td in todel:
            del new_params[td]

        # but we need to keep all params that are multi and urls
        kw = new_params

        #remove private parameters from the request
        if 'bs_private' in kw:
            del kw['bs_private']
        if 'key' in kw:
            del kw['key']

        debug('New params are : %s' % new_params, )

        # update plugin arameters
        # log the request, it's a valid one
        plugin_request = _log_form_request(plugin_id=plugin_db.id,
                                           user=user,
                                           parameters=dict(kw))
        DBSession.add(plugin_request)

        debug('get output directory', )
        # get output directory to write results
        outputs_directory = filemanager.temporary_directory(
            constants.paths['data'])
        service_callback = None
        # if the user is a service, get parameters from configuration
        if user.is_service:
            debug('is service', )
            o = services.service_manager.get(
                user.name, constants.SERVICE_RESULT_ROOT_PARAMETER)
            if o:
                outputs_directory = o
            service_callback = services.service_manager.get(
                user.name, constants.SERVICE_CALLBACK_URL_PARAMETER)
        debug('Write result in %s' % outputs_directory, )

        # get prvate parameters from the request
        private_parameters = bs_private.get('app', "{}")

        # get response configuration from the request
        resp_config = bs_private.get('cfg', None)
        plugin_info = {
            'title': info['title'],
            'plugin_id': plugin_db.id,
            'generated_id': plugin_db.generated_id,
            'description': info['description'],
            'path': info['path'],
            'in': info['in'],
            'out': info['out'],
            'meta': info['meta']
        }

        # define the bioscript callback
        bioscript_callback = tg.config.get('main.proxy') + '/' + tg.url(
            'plugins/callback_results')
        debug("callback on bs : %s " % bioscript_callback, )

        # if some files come from a file field, we must download them directly
        inputs_directory, dwdfiles = filemanager.fetchfilefields(
            user, plug, kw)

        # chain jobs : fetch files then plugin process
        async_res = tasks.plugin_job.delay(user, plug, inputs_directory,
                                           outputs_directory, dwdfiles,
                                           plugin_info, private_parameters,
                                           service_callback,
                                           bioscript_callback, **kw)

        task_id = async_res.task_id
        debug('Launch task %s' % task_id, )

        # log the job request
        _log_job_request(plugin_request.id, task_id)

        #prepare the response
        resp = {
            'validation': 'success',
            'plugin_id': plugin_id,
            'task_id': task_id,
            'callback': callback,
            'app': private_parameters
        }
        if resp_config and resp_config.get('plugin_info', '') == 'min':
            resp.update({
                'plugin_info':
                json.dumps({
                    'title': info['title'],
                    'description': info['description'],
                    'path': info['path'],
                    'in': info['in'],
                    'out': info['out'],
                    'meta': info['meta']
                })
            })
        return json.dumps(resp)