# Utility function for wrapping objects. Centralising allows me to turn
# debugging on and off for the entire package in a single spot.
import sys
import win32com.server.util
from win32com.server.exception import Exception
import winerror
import win32api
import os
try:
os.environ["DEBUG_AXDEBUG"]
debugging = 1
except KeyError:
debugging = 0
def trace(*args):
if not debugging: return
print str(win32api.GetCurrentThreadId()) + ":",
for arg in args:
print arg,
print
# The AXDebugging implementation assumes that the returned COM pointers are in
# some cases identical. Eg, from a C++ perspective:
# p->GetSomeInterface( &p1 );
# p->GetSomeInterface( &p2 );
# p1==p2
# By default, this is _not_ true for Python.
# (Now this is only true for Document objects, and Python
# now does ensure this.
all_wrapped = {}
def _wrap_nodebug(object, iid):
return win32com.server.util.wrap(object, iid)
def _wrap_debug(object, iid):
import win32com.server.policy
dispatcher = win32com.server.policy.DispatcherWin32trace
return win32com.server.util.wrap(object, iid, useDispatcher = dispatcher)
if debugging:
_wrap = _wrap_debug
else:
_wrap = _wrap_nodebug
def _wrap_remove(object, iid = None):
# Old - no longer used or necessary!
return
def _dump_wrapped():
from win32com.server.util import unwrap
print "Wrapped items:"
for key, items in all_wrapped.iteritems():
print key,
try:
ob = unwrap(key)
print ob, sys.getrefcount(ob)
except:
print "<error>"
def RaiseNotImpl(who = None):
if who is not None:
print "********* Function %s Raising E_NOTIMPL ************" % (who)
# Print a sort-of "traceback", dumping all the frames leading to here.
try:
1/0
except:
frame = sys.exc_info()[2].tb_frame
while frame:
print "File: %s, Line: %d" % (frame.f_code.co_filename, frame.f_lineno)
frame = frame.f_back
# and raise the exception for COM
raise Exception(scode=winerror.E_NOTIMPL)
import win32com.server.policy
class Dispatcher(win32com.server.policy.DispatcherWin32trace):
def __init__(self, policyClass, object):
win32com.server.policy.DispatcherTrace.__init__(self, policyClass, object)
import win32traceutil # Sets up everything.
# print "Object with win32trace dispatcher created (object=%s)" % `object`
def _QueryInterface_(self, iid):
rc = win32com.server.policy.DispatcherBase._QueryInterface_(self, iid)
# if not rc:
# self._trace_("in _QueryInterface_ with unsupported IID %s (%s)\n" % (IIDToInterfaceName(iid),iid))
return rc
def _Invoke_(self, dispid, lcid, wFlags, args):
print "In Invoke with", dispid, lcid, wFlags, args, "with object",self.policy._obj_
try:
rc = win32com.server.policy.DispatcherBase._Invoke_(self, dispid, lcid, wFlags, args)
# print "Invoke of", dispid, "returning", rc
return rc
except Exception:
t, v, tb = sys.exc_info()
tb = None # A cycle
scode = v.scode
try:
desc = " (" + str(v.description) + ")"
except AttributeError:
desc = ""
print "*** Invoke of %s raised COM exception 0x%x%s" % (dispid, scode, desc)
except:
print "*** Invoke of %s failed:" % dispid
typ, val, tb = sys.exc_info()
import traceback
traceback.print_exception(typ, val, tb)
raise
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