X-Git-Url: http://git.onelab.eu/?p=myslice.git;a=blobdiff_plain;f=manifold%2Fmanifoldapi.py;h=b1a1a0cc10c1c2ad5e16747a416edb5b8411c286;hp=3fa5f9781e545f01735a270a697ff1697dc3567b;hb=20e712f9703d8b2eaf226fdf8807315edcea6a9a;hpb=a387c58445b7cde5ecf05a022c5a875645eeb463 diff --git a/manifold/manifoldapi.py b/manifold/manifoldapi.py index 3fa5f978..b1a1a0cc 100644 --- a/manifold/manifoldapi.py +++ b/manifold/manifoldapi.py @@ -1,7 +1,7 @@ # Manifold API Python interface -import xmlrpclib +import copy, xmlrpclib -from myslice.config import Config +from myslice.configengine import ConfigEngine from django.contrib import messages from manifoldresult import ManifoldResult, ManifoldCode, ManifoldException @@ -9,29 +9,47 @@ from manifold.core.result_value import ResultValue debug=False debug=True +debug_deep=False +#debug_deep=True +########## ugly stuff for hopefully nicer debug messages def mytruncate (obj, l): # we will add '..' l1=l-2 repr="%s"%obj return (repr[:l1]+'..') if len(repr)>l1 else repr +from time import time, gmtime, strftime +from math import trunc +def mytime (start=None): + gm=gmtime() + t=time() + msg=strftime("%H:%M:%S-", gmtime())+"%03d"%((t-trunc(t))*1000) + if start is not None: msg += " (%03fs)"%(t-start) + return t,msg +########## + class ManifoldAPI: - def __init__(self, auth=None, cainfo=None): + def __init__ (self, auth=None, cainfo=None): - config = Config() self.auth = auth self.cainfo = cainfo self.errors = [] self.trace = [] self.calls = {} self.multicall = False - self.url = config.manifold_url() + self.url = ConfigEngine().manifold_url() self.server = xmlrpclib.Server(self.url, verbose=False, allow_none=True) def __repr__ (self): return "ManifoldAPI[%s]"%self.url + def _print_value (self, value): + print "+++",'value', + if isinstance (value,list): print "[%d]"%len(value), + elif isinstance (value,dict): print "{%d}"%len(value), + print mytruncate (value,80) + # a one-liner to give a hint of what the return value looks like def _print_result (self, result): if not result: print "[no/empty result]" @@ -41,9 +59,20 @@ class ManifoldAPI: print "result is a dict with %d keys : %s"%(len(result),result.keys()) for (k,v) in result.iteritems(): if v is None: continue - print '+++',k,':',mytruncate (v,60) + if k=='value': self._print_value(v) + else: print '+++',k,':',mytruncate (v,30) else: print "[dont know how to display result] %s"%result + # how to display a call + def _repr_query (self,methodName, query): + try: action=query['action'] + except: action="???" + try: subject=query['object'] + except: subject="???" + # most of the time, we run 'forward' + if methodName=='forward': return "forward(%s(%s))"%(action,subject) + else: return "%s(%s)"%(action,subject) + # xxx temporary code for scaffolding a ManifolResult on top of an API that does not expose error info # as of march 2013 we work with an API that essentially either returns the value, or raises # an xmlrpclib.Fault exception with always the same 8002 code @@ -52,38 +81,49 @@ class ManifoldAPI: # a SESSION_EXPIRED code def __getattr__(self, methodName): def func(*args, **kwds): + # shorthand + def repr(): return self._repr_query (methodName, args[0]) try: if debug: - print "====> ManifoldAPI.%s"%methodName,"auth",self.auth,"args",args,"kwds",kwds - result=getattr(self.server, methodName)(self.auth, *args, **kwds) + start,msg = mytime() + print "====>",msg,"ManifoldAPI.%s"%repr(),"url",self.url + # No password in the logs + logAuth = copy.copy(self.auth) + for obfuscate in ['Authring','session']: + if obfuscate in logAuth: logAuth[obfuscate]="XXX" + if debug_deep: print "=> auth",logAuth + if debug_deep: print "=> args",args,"kwds",kwds + annotations = { + 'authentication': self.auth + } + args += (annotations,) + result=getattr(self.server, methodName)(*args, **kwds) + print "%s%r" %(methodName, args) + if debug: - print '<==== backend call %s(*%s,**%s) returned'%(methodName,args,kwds), - print '.ctd. Authmethod=',self.auth['AuthMethod'], self.url,'->', + print '<= result=', self._print_result(result) - print '===== ManifoldAPI call done' + end,msg = mytime(start) + print "<====",msg,"backend call %s returned"%(repr()) return ResultValue(**result) except Exception,error: + print "** MANIFOLD API ERROR **" + if debug: + print "===== xmlrpc catch-all exception:",error + import traceback + traceback.print_exc(limit=3) if "Connection refused" in error: raise ManifoldException ( ManifoldResult (code=ManifoldCode.SERVER_UNREACHABLE, output="%s answered %s"%(self.url,error))) # otherwise - print "** MANIFOLD API ERROR **" - print "====> ERROR On ManifoldAPI.%s"%methodName,"auth",self.auth,"args",args,"kwds",kwds - import traceback - traceback.print_exc() - if debug: print "KO (unexpected exception)",error - raise ManifoldException ( ManifoldResult (code=ManifoldCode.UNKNOWN_ERROR, output="%s"%error) ) + print "<==== ERROR On ManifoldAPI.%s"%repr() + raise ManifoldException ( ManifoldResult (code=ManifoldCode.SERVER_UNREACHABLE, output="%s"%error) ) return func -def execute_query(request, query): - if not 'manifold' in request.session or not 'auth' in request.session['manifold']: - print "W: Using hardcoded demo account for execute_query" - manifold_api_session_auth = {'AuthMethod': 'password', 'Username': 'demo', 'AuthString': 'demo'} - else: - manifold_api_session_auth = request.session['manifold']['auth'] +def _execute_query(request, query, manifold_api_session_auth): manifold_api = ManifoldAPI(auth=manifold_api_session_auth) print "-"*80 print query @@ -91,10 +131,32 @@ def execute_query(request, query): print "-"*80 result = manifold_api.forward(query.to_dict()) if result['code'] == 2: - raise Exception, 'Error running query: %r' % result + # this is gross; at the very least we need to logout() + # but most importantly there is a need to refine that test, since + # code==2 does not necessarily mean an expired session + # XXX only if we know it is the issue + del request.session['manifold'] + # Flush django session + request.session.flush() + #raise Exception, 'Error running query: %r' % result + + if result['code'] == 1: + print "WARNING" + print result['description'] # XXX Handle errors #Error running query: {'origin': [0, 'XMLRPCAPI'], 'code': 2, 'description': 'No such session: No row was found for one()', 'traceback': 'Traceback (most recent call last):\n File "/usr/local/lib/python2.7/dist-packages/manifold/core/xmlrpc_api.py", line 68, in xmlrpc_forward\n user = Auth(auth).check()\n File "/usr/local/lib/python2.7/dist-packages/manifold/auth/__init__.py", line 245, in check\n return self.auth_method.check()\n File "/usr/local/lib/python2.7/dist-packages/manifold/auth/__init__.py", line 95, in check\n raise AuthenticationFailure, "No such session: %s" % e\nAuthenticationFailure: No such session: No row was found for one()\n', 'type': 2, 'ts': None, 'value': None} - return result['value'] + +def execute_query(request, query): + if not 'manifold' in request.session or not 'auth' in request.session['manifold']: + request.session.flush() + raise Exception, "User not authenticated" + manifold_api_session_auth = request.session['manifold']['auth'] + return _execute_query(request, query, manifold_api_session_auth) + +def execute_admin_query(request, query): + admin_user, admin_password = ConfigEngine().manifold_admin_user_password() + admin_auth = {'AuthMethod': 'password', 'Username': admin_user, 'AuthString': admin_password} + return _execute_query(request, query, admin_auth)