----- Original Message ----
From: Kris Beyers <kris_beyers@hotmail.com>
To: pythondotnet@python.org
Sent: Tuesday, April 10, 2007 1:31:35 PM
Subject: [Python.NET] Unable to import library imaplib

Hi
 
I'm trying to make a python script (which would be called from a C# application) and communicates with an IMAP server.
Passing variables from C# to python and back is no problem, but when I type "import imaplib" on top of the python script to support IMAP, the script fails to run at line with following code: "func.Invoke(arguments)". Showing error message in the C# developer: "<null reference>".
 
I also tried to call PythonEngine.ImportModule("imaplib") first, but no change.
Is there a way to import the library? Thank you in advance.
 
Tip: Just found out about an amazing C# developer http://www.sharpdevelop.net (open source)
 
Regards,
Kris
 
C#
***
try {
 string imapUser = "kris";
 string imapPassword = "a password";
    
 PythonEngine.Initialize();
    
 PyObject[] arguments = new PyObject[2];
 arguments[0] = PyObject.FromManagedObject(imapUser);
 arguments[1] = PyObject.FromManagedObject(imapPassword);
    
 PyObject pyportal = PythonEngine.ImportModule("PyPortal");
 PyObject func = pyportal.GetAttr("invoker");
    
 PyObject result = func.Invoke(arguments);
 this.label1.Text = result.ToString();
} catch (Exception err) {
 this.label1.Text = err.Message.ToString();
}
 
The file PyPortal.py
***************
import imaplib                      #  <-- causes error
def invoker(imapUser, imapPassword):
    messages = []
    M = imaplib.IMAP4('imap.next.mail.yahoo.com')
    M.login(imapUser, imapPassword)
    M.select()
    typ, data = M.search(None, 'ALL')
    for num in data[0].split():
        typ, data = M.fetch(num, '(RFC822)')
        messages.append('Message %s\n%s\n' % (num, data[0][1]))
    M.close()
    M.logout()
    return '<delimiter>'.join(messages)
 
 

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