# Manifold API Python interface
-import copy, xmlrpclib
-
-from myslice.configengine import ConfigEngine
+import copy, xmlrpclib, ssl
+from myslice.settings import config, logger, DEBUG
from django.contrib import messages
from django.shortcuts import redirect
from manifoldresult import ManifoldResult, ManifoldCode, ManifoldException
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):
self.auth = auth
self.cainfo = cainfo
self.trace = []
self.calls = {}
self.multicall = False
- 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]"
- elif isinstance (result,str): print "result is '%s'"%result
- elif isinstance (result,list): print "result is a %d-elts list"%len(result)
- elif isinstance (result,dict):
- print "result is a dict with %d keys : %s"%(len(result),result.keys())
- for (k,v) in result.iteritems():
- if v is None: continue
- 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)
+ self.url = config.manifold_url()
+
+ # Manifold uses a self signed certificate
+ # https://www.python.org/dev/peps/pep-0476/
+ if hasattr(ssl, '_create_unverified_context'):
+ self.server = xmlrpclib.Server(self.url, verbose=False, allow_none=True, context=ssl._create_unverified_context())
+ else :
+ self.server = xmlrpclib.Server(self.url, verbose=False, allow_none=True)
# 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
# (looks like sessions are rather short-lived), for now the choice is to map these errors on
# a SESSION_EXPIRED code
def __getattr__(self, methodName):
+
def func(*args, **kwds):
- # shorthand
- def repr(): return self._repr_query (methodName, args[0])
+ import time
+
+ start = time.time()
try:
- if debug:
- 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 '<= result=',
- self._print_result(result)
- end,msg = mytime(start)
- print "<====",msg,"backend call %s returned"%(repr())
+ #logger.debug("MANIFOLD %s( %s( %s ) ) to %s" % (methodName, args[0]['action'], args[0]['object'], self.url))
+
+ if ('Username' in self.auth) :
+ username = self.auth['Username']
+ else :
+ username = "-"
+
+ args += ({ 'authentication': self.auth },)
+
+ result = getattr(self.server, methodName)(*args, **kwds)
+
+ logger.debug("MANIFOLD %s( %s( %s ) ) as %s to %s executed in %s seconds -> %s" %
+ (methodName,
+ args[0]['action'] or '',
+ args[0]['object'] or '',
+ username,
+ self.url,
+ (time.time() - start),
+ args))
return ResultValue(**result)
- except Exception,error:
- print "** MANIFOLD API ERROR **"
- if debug:
- print "===== xmlrpc catch-all exception:",error
+ except Exception, error:
+ if True:
+ 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)))
+ output="%s answered %s" % (self.url,error)))
# otherwise
- print "<==== ERROR On ManifoldAPI.%s"%repr()
- raise ManifoldException ( ManifoldResult (code=ManifoldCode.SERVER_UNREACHABLE, output="%s"%error) )
+ logger.error("MANIFOLD %s( %s( %s ) ) as %s to %s executed in %s seconds -> %s" %
+ (methodName,
+ args[0]['action'] or '',
+ args[0]['object'] or '',
+ username,
+ self.url,
+ (time.time() - start),
+ args))
+ logger.error("MANIFOLD %s", error)
+ raise ManifoldException ( ManifoldResult (code = ManifoldCode.SERVER_UNREACHABLE, output = "%s" % error) )
return func
def _execute_query(request, query, manifold_api_session_auth):
- manifold_api = ManifoldAPI(auth=manifold_api_session_auth)
- print "-"*80
- print query
- print query.to_dict()
- print "-"*80
+
+ manifold_api = ManifoldAPI(auth = manifold_api_session_auth)
+
+ logger.debug("MANIFOLD QUERY : %s" % " ".join(str(query).split()))
+ #logger.debug("MANIFOLD DICT : %s" % query.to_dict())
result = manifold_api.forward(query.to_dict())
if result['code'] == 2:
# this is gross; at the very least we need to logout()
#raise Exception, 'Error running query: %r' % result
if result['code'] == 1:
- print "WARNING"
- print result['description']
+ logger.warning("MANIFOLD : %s" % 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}
#raise Exception, "User not authenticated"
host = request.get_host()
return redirect('/')
+
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_user, admin_password = config.manifold_admin_user_password()
admin_auth = {'AuthMethod': 'password', 'Username': admin_user, 'AuthString': admin_password}
return _execute_query(request, query, admin_auth)