Hi Andy - this often means that an exception was thrown in the constructor (the construction code needs some work and can give the wrong message in this case).

At a total guess, I'd say the string you pass to the XmlObjectRestorer probably wants
to be an actual xml string rather than a filename...

-Brian

On 3/9/07, Andy Smith < andyrsmith@googlemail.com > wrote:

Hi There,

 

Just getting started - absolute (as of today) newbee..

 

Seem to be able to load my own assemblies but seem to get stuck passing arguments to my own objects' constructors.

 

Example below................. (using the sourceforge build, have 'added' python .net to the Enthon 2.3 distribution).

 

Code below is being run as-is but the astute will have figured out I don't work for ACME. :-) Have seen similar bugs mentioned in the mailing list but I'd have thought I had to be doing something very wrong for a constructor taking a System.String to be failing :-(

 

So far I've tried calling the Constructor with an unwrapped python string, a System.String, and the constructor taking a String, Uri pair. ( In the hope this would resolve to a specific constructor - no joy! :-( ).

 

Any help appreciated.

 

Cheers,

 

A.

 

 

=======================================

 

import sys

sys.path.insert( 0, "c:/home/dev/MarketSampler.root/MarketSampler/MarketSampler/MarketSampler/bin/Debug" )

import CLR
from CLR.System.Reflection import Assembly
from  CLR.System import String
from CLR.System import Environment as Environment
from CLR.System import Uri as Uri

a = Assembly.LoadWithPartialName("IntradayPortfolioBuilder")
a = Assembly.LoadWithPartialName("MarketSampler")
a = Assembly.LoadWithPartialName("ObjectRestorer")
a = Assembly.LoadWithPartialName ("Scheduler")

import CLR.ACME.IntradayPortfolioBuilder.Exchange as Exchange
from CLR.ACME.ObjectRestorer import XmlObjectRestorer as XmlObjectRestorer
import CLR.MarketSampler.IntradayBacktesting as IntradayBacktesting
import CLR.ACME.Scheduler as Scheduler

#IntradayBacktesting.MultiInstrumentTrader()
c = Scheduler.Choreographer()
XmlObjectRestorer( String("c:/temp/jobs.txt") )

 

====================================================

Traceback is ....

Python 2.3.5 - Enthought Edition 0.9.9 (#62, Sep 14 2006, 19:20:46) [MSC v.1200 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> ## working on region in file c:/DOCUME~1/andys/LOCALS~1/Temp/python-3752fom.py...
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "c:/DOCUME~1/andys/LOCALS~1/Temp/python- 3752fom.py", line 23, in ?
    XmlObjectRestorer( String("c:/temp/jobs.txt") )
TypeError: no constructor matches given arguments
>>> print XmlObjectRestorer.__doc__
Void .ctor(System.IO.TextReader )
Void .ctor(System.IO.TextReader, System.Uri)
Void .ctor(System.String)
Void .ctor(System.String, System.Uri)

 

_________________________________________________
Python.NET mailing list - PythonDotNet@python.org
http://mail.python.org/mailman/listinfo/pythondotnet