X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=manifold%2Fmanifoldproxy.py;h=9f014971972f7c3851017006d32971ef5d850d7d;hb=946cac8a131ad6d33229833a3c38df6bd9e37e2f;hp=d0636c88fcf8b4fb8ff9c7fea121fbb07aedb555;hpb=57c5bcefb1eac66d1db27db28a0c6d3b3b52a407;p=myslice.git diff --git a/manifold/manifoldproxy.py b/manifold/manifoldproxy.py index d0636c88..9f014971 100644 --- a/manifold/manifoldproxy.py +++ b/manifold/manifoldproxy.py @@ -3,8 +3,11 @@ import json #from django.core import serializers from django.http import HttpResponse, HttpResponseForbidden -from manifold.manifoldquery import ManifoldQuery +#from manifold.manifoldquery import ManifoldQuery +from manifold.core.query import Query +from manifold.core.result_value import ResultValue from manifold.manifoldapi import ManifoldAPI +from manifold.manifoldresult import ManifoldException debug=False debug=True @@ -13,6 +16,11 @@ debug=True debug_spin=0 #debug_spin=1 +# pretend the server only returns - empty lists to 'get' requests - this is to mimick +# misconfigurations or expired credentials or similar corner case situations +debug_empty=False +#debug_empty=True + # turn this on if you want the fastest possible (locally cached) feedback # beware that this is very rough though... work_offline=False @@ -36,16 +44,28 @@ with the query passed using POST""" # format_in : how is the query encoded in POST # format_out: how to serve the results if format != 'json': - print "manifoldproxy.api: unexpected format %s -- exiting"%format + print "manifoldproxy.proxy: unexpected format %s -- exiting"%format return try: # translate incoming POST request into a query object if debug: print 'manifoldproxy.proxy: request.POST',request.POST - manifold_query = ManifoldQuery() + manifold_query = Query() + #manifold_query = ManifoldQuery() manifold_query.fill_from_POST(request.POST) - offline_filename="offline-%s-%s.json"%(manifold_query.action,manifold_query.subject) + offline_filename="offline-%s-%s.json"%(manifold_query.action,manifold_query.object) # retrieve session for request - manifold_api_session_auth = request.session['manifold']['auth'] + + # We allow some requests to use the ADMIN user account + if (manifold_query.get_from() == 'local:user' and manifold_query.get_action() == 'create') or (manifold_query.get_from() == 'local:platform' and manifold_query.get_action() == 'get'): + print "W: Used hardcoded demo account for admin queries" + manifold_api_session_auth = {'AuthMethod': 'password', 'Username': 'demo', 'AuthString': 'demo'} + else: + manifold_api_session_auth = request.session['manifold']['auth'] + + if debug_empty and manifold_query.action.lower()=='get': + json_answer=json.dumps({'code':0,'value':[]}) + print "By-passing : debug_empty & 'get' request : returning a fake empty list" + return HttpResponse (json_answer, mimetype="application/json") ### patch : return the latest one.. if work_offline: # if that won't work then we'll try to update anyways @@ -57,24 +77,38 @@ with the query passed using POST""" except: import traceback traceback.print_exc() - print "PROCEEDING" + print "Could not run in offline mode, PROCEEDING" pass # actually forward manifold_api= ManifoldAPI(auth=manifold_api_session_auth) - if debug: print 'manifoldproxy.proxy: sending to backend', manifold_query - answer=manifold_api.send_manifold_query (manifold_query) - if debug: print 'manifoldproxy.proxy: received from backend with code', answer['code'] - json_answer=json.dumps(answer) - if (debug): + if debug: print '===> manifoldproxy.proxy: sending to backend', manifold_query + # for the benefit of the python code, manifoldAPI raises an exception if something is wrong + # however in this case we want to propagate the complete manifold result to the js world + + + result = manifold_api.forward(manifold_query.to_dict()) + + # XXX TEMP HACK + if 'description' in result and result['description'] and isinstance(result['description'], (tuple, list, set, frozenset)): + result [ 'description' ] = [ ResultValue.to_html (x) for x in result['description'] ] + + json_answer=json.dumps(result) + # if in debug mode we save this so we can use offline mode later + if debug: with (file(offline_filename,"w")) as f: f.write(json_answer) - if debug_spin: + + # this is an artificial delay added for debugging purposes only + if debug_spin>0: + print "Adding additional artificial delay",debug_spin import time time.sleep(debug_spin) + return HttpResponse (json_answer, mimetype="application/json") - except: + except Exception,e: + print "** PROXY ERROR **",e import traceback traceback.print_exc()