From kris_beyers at hotmail.com  Tue Apr 10 22:31:35 2007
From: kris_beyers at hotmail.com (Kris Beyers)
Date: Tue, 10 Apr 2007 20:31:35 +0000
Subject: [Python.NET] Unable to import library imaplib
Message-ID: <BAY112-W1092500BDAE2CD9BB5092589580@phx.gbl>

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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From dvpdiner2 at yahoo.com  Wed Apr 11 04:39:43 2007
From: dvpdiner2 at yahoo.com (Darryl Pogue)
Date: Tue, 10 Apr 2007 19:39:43 -0700 (PDT)
Subject: [Python.NET] Unable to import library imaplib
Message-ID: <871901.28694.qm@web31603.mail.mud.yahoo.com>

Did you use (in Python)

>>> import clr

to import the Common Language Runtime and support .NET assemblies?
 

Uru Live IRC Chat: unreal.JustIRC.net #uru


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




P
{
margin:0px;padding:0px;}
body
{
FONT-SIZE:10pt;FONT-FAMILY:Tahoma;}

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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From kris_beyers at hotmail.com  Wed Apr 11 11:16:42 2007
From: kris_beyers at hotmail.com (Kris Beyers)
Date: Wed, 11 Apr 2007 09:16:42 +0000
Subject: [Python.NET] Unable to import library imaplib
Message-ID: <BAY112-W16E92B5788661D2165DAE4895F0@phx.gbl>

Hi
 
I can import CLR, but not imaplib. Although imaplib is part of the standard python library, and I suppose I didn't need CLR.
I also tried different combinations of case of the word "imaplib", since the import statement is case sensitive.
Currently I have the latest Python version 25, and installed the latest PythonNet afterwards (PythonNet 1.0 release candidate 2).
Also tried to include the path to the C:\Python25\Lib in the systemvariable PATH, where imaplib.py resides.
 
Furthermore I included C:\Program Files\PythonNet in the same systemvariable, but that's nog part of the problem I guess.
 
Regards,
Kris


Date: Tue, 10 Apr 2007 19:39:43 -0700From: dvpdiner2 at yahoo.comSubject: Re: [Python.NET] Unable to import library imaplibTo: kris_beyers at hotmail.comCC: pythondotnet at python.org



Did you use (in Python)>>> import clrto import the Common Language Runtime and support .NET assemblies?
 Uru Live IRC Chat: unreal.JustIRC.net #uru

----- Original Message ----From: Kris Beyers <kris_beyers at hotmail.com>To: pythondotnet at python.orgSent: Tuesday, April 10, 2007 1:31:35 PMSubject: [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 errordef 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)  het ultieme online mailprogramma! Ontdek Windows Live Hotmail, 
_________________________________________________Python.NET mailing list - PythonDotNet at python.orghttp://mail.python.org/mailman/listinfo/pythondotnet

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From rlacko at gratex.com  Wed Apr 11 13:56:59 2007
From: rlacko at gratex.com (Lacko Roman)
Date: Wed, 11 Apr 2007 13:56:59 +0200
Subject: [Python.NET] Python 2.5
Message-ID: <451E11FD7D0ACB4A9207723712EC53D1ADB6DE@ex01.hq.gratex.com>

Hi,

A'm trying using PythonNET with Python 2.5

I have changed line in runtime.cs:
	internal const string dll = "python24";
to
	internal const string dll = "python25";

and succesfully recompiled the source, but when i try to import CLR,
following error occurs:
Traceback (most recent call last):
  File "D:\inews\pythonnetBinariesNet2.0\helloform.py", line 12, in
<module>
    import CLR.System.Windows.Forms as WinForms
ImportError: No module named CLR.System.Windows.Forms

But when running with python.exe build from PythonNET source it works
OK.

Please help,

And thank you for great extension to python and .Net

RomanL
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From brian.lloyd at revolution.com  Wed Apr 11 17:18:24 2007
From: brian.lloyd at revolution.com (Brian Lloyd)
Date: Wed, 11 Apr 2007 11:18:24 -0400
Subject: [Python.NET] Unable to import library imaplib
In-Reply-To: <BAY112-W16E92B5788661D2165DAE4895F0@phx.gbl>
Message-ID: <C2427480.99D2%brian.lloyd@revolution.com>

Note that the latest PythonNet is built for and includes 2.4, not 2.5,
unless you?ve built
your own version.

That probably means that pythonnet is looking at the PYTHONPATH for 2.4,
which 
probably doesn?t have imaplib installed.

I?d suggest making sure to install imaplib in the site-packages used by your
PythonNet/2.4 installation...

-Brian


On 4/11/07 5:16 AM, "Kris Beyers" <kris_beyers at hotmail.com> wrote:

> Hi
>  
> I can import CLR, but not imaplib. Although imaplib is part of the standard
> python library, and I suppose I didn't need CLR.
> I also tried different combinations of case of the word "imaplib", since the
> import statement is case sensitive.
> Currently I have the latest Python version 25, and installed the latest
> PythonNet afterwards (PythonNet 1.0 release candidate 2).
> Also tried to include the path to the C:\Python25\Lib in the systemvariable
> PATH, where imaplib.py resides.
>  
> Furthermore I included C:\Program Files\PythonNet in the same systemvariable,
> but that's nog part of the problem I guess.
>  
> Regards,
> Kris
>> 
>> Date: Tue, 10 Apr 2007 19:39:43 -0700
>> From: dvpdiner2 at yahoo.com
>> Subject: Re: [Python.NET] Unable to import library imaplib
>> To: kris_beyers at hotmail.com
>> CC: pythondotnet at python.org
>> 
>> Did you use (in Python)
>> 
>>>>> >>> import clr
>> 
>> to import the Common Language Runtime and support .NET assemblies?
>>  
>>  <http://www.urulive.com/blog/>
>> Uru Live IRC Chat: unreal.JustIRC.net #uru
>> 
>> 
>> ----- Original Message ----
>> From: Kris Beyers <kris_beyers at hotmail.com>
>> To: pythondotnet at 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
>> <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)
>>  
>>  
>> 
>> het ultieme online mailprogramma! Ontdek Windows Live Hotmail,
>> <http://get.live.com/mail/overview>
>> _________________________________________________
>> Python.NET mailing list - PythonDotNet at python.org
>> http://mail.python.org/mailman/listinfo/pythondotnet
>> 
>> 
>> 
>> Now you can have a huge leap forward in email: get the new Yahoo! Mail.
>> <http://us.rd.yahoo.com/evt=40705/*http://mrd.mail.yahoo.com/try_beta?.intl=c
>> a>  
> 
> 
> het ultieme online mailprogramma! Ontdek Windows Live Hotmail,
> <http://get.live.com/mail/overview>
> 
> _________________________________________________
> Python.NET mailing list - PythonDotNet at python.org
> http://mail.python.org/mailman/listinfo/pythondotnet


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From kris_beyers at hotmail.com  Fri Apr 13 10:45:53 2007
From: kris_beyers at hotmail.com (Kris Beyers)
Date: Fri, 13 Apr 2007 08:45:53 +0000
Subject: [Python.NET] Unable to import library imaplib
Message-ID: <BAY112-W1696DD6FED06159908F09E895D0@phx.gbl>

Hi
 
I changed the version to 2.44, but the problem remains.
 
Meanwhile I found another solution to communicate directly from C# to an IMAP server with a very nice freeware library. It also includes some other protocol communication like pop3, smtp, Auth_HttpDigest, dns, ftp, http, icmp, io, log, mime, nntp, sdp and sip.
 
If you are interested, you can find my writings here http://www.lumisoft.ee/Forum/default.aspx?g=posts&t=98
The example there uses following library http://www.lumisoft.ee/lsWWW/ENG/Products/WEB_Mail/webmail_index_eng.aspx?type=download
 
Rregards,
Kris


Date: Wed, 11 Apr 2007 11:18:24 -0400Subject: Re: [Python.NET] Unable to import library imaplibFrom: brian.lloyd at revolution.comTo: kris_beyers at hotmail.com; dvpdiner2 at yahoo.comCC: pythondotnet at python.org
Note that the latest PythonNet is built for and includes 2.4, not 2.5, unless you?ve built your own version.That probably means that pythonnet is looking at the PYTHONPATH for 2.4, which probably doesn?t have imaplib installed.I?d suggest making sure to install imaplib in the site-packages used by your PythonNet/2.4 installation...-BrianOn 4/11/07 5:16 AM, "Kris Beyers" <kris_beyers at hotmail.com> wrote:
Hi I can import CLR, but not imaplib. Although imaplib is part of the standard python library, and I suppose I didn't need CLR.I also tried different combinations of case of the word "imaplib", since the import statement is case sensitive.Currently I have the latest Python version 25, and installed the latest PythonNet afterwards (PythonNet 1.0 release candidate 2).Also tried to include the path to the C:\Python25\Lib in the systemvariable PATH, where imaplib.py resides. Furthermore I included C:\Program Files\PythonNet in the same systemvariable, but that's nog part of the problem I guess. Regards,Kris


Date: Tue, 10 Apr 2007 19:39:43 -0700From: dvpdiner2 at yahoo.comSubject: Re: [Python.NET] Unable to import library imaplibTo: kris_beyers at hotmail.comCC: pythondotnet at python.orgDid you use (in Python)>>> import clrto import the Common Language Runtime and support .NET assemblies?  <http://www.urulive.com/blog/> Uru Live IRC Chat: unreal.JustIRC.net #uru----- Original Message ----From: Kris Beyers <kris_beyers at hotmail.com>To: pythondotnet at python.orgSent: Tuesday, April 10, 2007 1:31:35 PMSubject: [Python.NET] Unable to import library imaplibHi 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 <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 errordef 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)  het ultieme online mailprogramma! Ontdek Windows Live Hotmail, <http://get.live.com/mail/overview>  _________________________________________________Python.NET mailing list - PythonDotNet at python.orghttp://mail.python.org/mailman/listinfo/pythondotnet

Now you can have a huge leap forward in email: get the new Yahoo! Mail. <http://us.rd.yahoo.com/evt=40705/*http://mrd.mail.yahoo.com/try_beta?.intl=ca>  

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From vipingupta2005 at yahoo.co.in  Fri Apr 13 23:06:14 2007
From: vipingupta2005 at yahoo.co.in (vipin gupta)
Date: Sat, 14 Apr 2007 02:36:14 +0530 (IST)
Subject: [Python.NET] Unable to import library imaplib
Message-ID: <316862.48183.qm@web8509.mail.in.yahoo.com>

Dear Sir,
 
My name is Vipin, I am a student doing an internship at a small software development company. I want to embed python in C#. 
But I have no specific idea how to do it. 
 
All material that I could find on the net and the books talk about embedding python in c/ c++ using pointers etc. But I want to embed python in  a C# code. I read the Python for .NET web page and I think that is something that can fulfil my requiremenmts. But again using pointers in C# is not what we want as it makes us comple 'unsafe' & takes away our garbage collection also.
 
As i am a beginer I would request you to please help me with a 'sample program' that illustrates the entire embedding process. 
 
Your help will be deeply appreciated by me.
 
Thanking you,
Sincerely,
 
Vipin Gupta


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From rlacko at gratex.com  Thu Apr 12 10:11:53 2007
From: rlacko at gratex.com (Lacko Roman)
Date: Thu, 12 Apr 2007 10:11:53 +0200
Subject: [Python.NET] Python 2.5 build
Message-ID: <451E11FD7D0ACB4A9207723712EC53D1ADBD0C@ex01.hq.gratex.com>

Please can some one explain me how to properly build PythonNET for
python 2.5 ?

Thank you

RomanL

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From Aaron.Rubin at 4DTechnology.com  Fri Apr 20 01:25:16 2007
From: Aaron.Rubin at 4DTechnology.com (Aaron Rubin)
Date: Thu, 19 Apr 2007 16:25:16 -0700
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
Message-ID: <B2F63D6F135C844DB2FD680544644593304A25@serv4d.4DTechnology.local>

Hi - 
 
I am running Python 2.4 along with .NET 2.0
I understand that unless I get the trunk of the code, .NET 2.0 is not
supported, but I figured it would be backwards compatible?
 
Basically, my problem is the same problem in this posting:
 
I cannot get things to work like the samples on the README on the
website.  I did, however, try to install in my existing installation of
Python, instead of the stand alone.  Anyone have the same problems?
 
 - Aaron
 
Seshagiri Cherukuri seshagiri.cherukuri at gmail.com
<mailto:pythondotnet%40python.org?Subject=%5BPython.NET%5D%20.net%202.0%
20-%20pythonnet%20v2.4%20does%20not%20recognize%20any%20of%0A%09.net%202
.0%20assemblies&In-Reply-To=> 
Mon Dec 4 21:50:47 CET 2006 

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________________________________

hi All,

I have just installed Pythonnet v2.4 and was trying to work with .net
2.0assemblies, it is not able to recognize any of the .net
2.0 assemblies either those in GAC or those not in GAC.

Here are the problems I am seeing ( I am running the standalone
pythonnet):
1. The readme files at http://pythonnet.sourceforge.net/readme.html
mentions
that you dont have to use the CLR.System kind of namespace anymore.
However
if I write something like

from System import String

There is an error which says "No module named System"

2. When using .net 2.0 assemblies, even the CLR.xxx syntax is not
working
- there is always an error which says "No module named xxx"

3. Not able to use any of the .net stuff - e.g. from
CLR.System.Collections.Generic does not work because it is not able to
see
the module Generic.

Am I doing something wrong? The 2.4 installation was obtained from here
(
http://sourceforge.net/project/showfiles.php?group_id=162464). Do I have
to
get the latest code instead of these installers to be able to use the
.net
2.0 and other features?

Looking forward to your reply.

Seshagiri
 

Aaron Rubin

Sr. Software Engineer

4D Technology Corporation


(520) 294-5600 (ext 234)


(520) 294-5601FAX


aaron.rubin at 4DTechnology.com <mailto:john.smith at 4DTechnology.com>


http://www.4dtechnology.com/ <http://www.4dtechnology.com/>


                                                 

The information in this e-mail message is 4D Technology Confidential.
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From alberto at metapensiero.it  Fri Apr 20 10:49:12 2007
From: alberto at metapensiero.it (Alberto Berti)
Date: Fri, 20 Apr 2007 10:49:12 +0200
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
In-Reply-To: <B2F63D6F135C844DB2FD680544644593304A25@serv4d.4DTechnology.local>
	(Aaron Rubin's message of "Thu\, 19 Apr 2007 16\:25\:16 -0700")
References: <B2F63D6F135C844DB2FD680544644593304A25@serv4d.4DTechnology.local>
Message-ID: <87fy6vig6v.fsf@lizard.lizardnet>


Hi Aaron,

the tarballs on pythondotnet's site are for .NET 1, if you want to use
it with .NET 2 you should checkout the last svn trunk and patch it
with the instruxtions described in this mail
http://thread.gmane.org/gmane.comp.python.dotnet/576 .In that message
there is also a link to binary packages provided by Angel Ignacio.

Hi hope soon to set up a wiki dedicated to pythondotnet as there
aren't so many examples of using it for things like embedding etc. I'm
just looking for a wiki engine which as some effective spam
protection. If someone has any hint on a product or a service please
drop me a line.

Alberto

From Aaron.Rubin at 4DTechnology.com  Fri Apr 20 22:59:43 2007
From: Aaron.Rubin at 4DTechnology.com (Aaron Rubin)
Date: Fri, 20 Apr 2007 13:59:43 -0700
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
Message-ID: <B2F63D6F135C844DB2FD680544644593304A88@serv4d.4DTechnology.local>

Hi Alberto - 

Thanks for your help!  Seems to work fine now....except...I am trying to
use arrays.  I am following the README on the python for .NET website.
Here are the commands I am trying to run:

from System import Array	# works!
myarray = Array[int](10)	# fails! TypeError: Cannot convert 10 to
System.Int32[]

I'm a little confused...obviously the example doesn't work, but how
*should* arrays be initialized in Python .NET?  The c# code might look
like:
int[,] numbers = new int[,] { {1, 2}, {3, 4}, {5, 6} };

I'm actually looking to make a 2D array.  Further, the end goal is to
make a 2D array...then serialize it....then deserialize it in c# code
itself.  I'm hoping to make this a transport layer between Python and
C#.  It's a bit complicated, but I have an existing application in
Python which I want to get some calculated results out of without
writing listeners, named pipes, web services, etc.  All I want to do is
to serialize a .NET 2D array created in Python.

 - Aaron


> -----Original Message-----
> From: pythondotnet-bounces at python.org 
> [mailto:pythondotnet-bounces at python.org] On Behalf Of Alberto Berti
> Sent: Friday, April 20, 2007 1:49 AM
> To: pythondotnet at python.org
> Subject: Re: [Python.NET] Installing Python for .NET with .NET 2.0?
> 
> 
> Hi Aaron,
> 
> the tarballs on pythondotnet's site are for .NET 1, if you 
> want to use it with .NET 2 you should checkout the last svn 
> trunk and patch it with the instruxtions described in this mail
> http://thread.gmane.org/gmane.comp.python.dotnet/576 .In that 
> message there is also a link to binary packages provided by 
> Angel Ignacio.
> 
> Hi hope soon to set up a wiki dedicated to pythondotnet as 
> there aren't so many examples of using it for things like 
> embedding etc. I'm just looking for a wiki engine which as 
> some effective spam protection. If someone has any hint on a 
> product or a service please drop me a line.
> 
> Alberto
> _________________________________________________
> Python.NET mailing list - PythonDotNet at python.org 
> http://mail.python.org/mailman/listinfo/pythondotnet
> 

From brian.lloyd at revolution.com  Sat Apr 21 00:27:28 2007
From: brian.lloyd at revolution.com (Brian Lloyd)
Date: Fri, 20 Apr 2007 18:27:28 -0400
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
In-Reply-To: <B2F63D6F135C844DB2FD680544644593304A88@serv4d.4DTechnology.local>
Message-ID: <C24EB690.A123%brian.lloyd@revolution.com>

Hi Aaron - 

PythonNet tip 'o the day: you can probably just construct the array in
Python as a normal list:

  mylist = [[1, 2], [3, 4], ...]

If you pass that to a method with a signature that takes int[,] then
everything should Just Work so long as the lists and their contents
are actually convertible to the stated type ;)

The syntax you're using below is actually trying instantiate a
bound generic type (Array[int] is equivalent to Array<int> in C#),
so when you say 'Array[int](10)' it is trying to create the bound
generic type and initialize it with 10 (which is not an array),
which is probably not what you intended.

hope this helps,

-Brian


On 4/20/07 4:59 PM, "Aaron Rubin" <Aaron.Rubin at 4DTechnology.com> wrote:

> Hi Alberto - 
> 
> Thanks for your help!  Seems to work fine now....except...I am trying to
> use arrays.  I am following the README on the python for .NET website.
> Here are the commands I am trying to run:
> 
> from System import Array # works!
> myarray = Array[int](10) # fails! TypeError: Cannot convert 10 to
> System.Int32[]
> 
> I'm a little confused...obviously the example doesn't work, but how
> *should* arrays be initialized in Python .NET?  The c# code might look
> like:
> int[,] numbers = new int[,] { {1, 2}, {3, 4}, {5, 6} };
> 
> I'm actually looking to make a 2D array.  Further, the end goal is to
> make a 2D array...then serialize it....then deserialize it in c# code
> itself.  I'm hoping to make this a transport layer between Python and
> C#.  It's a bit complicated, but I have an existing application in
> Python which I want to get some calculated results out of without
> writing listeners, named pipes, web services, etc.  All I want to do is
> to serialize a .NET 2D array created in Python.
> 
>  - Aaron
> 
> 
>> -----Original Message-----
>> From: pythondotnet-bounces at python.org
>> [mailto:pythondotnet-bounces at python.org] On Behalf Of Alberto Berti
>> Sent: Friday, April 20, 2007 1:49 AM
>> To: pythondotnet at python.org
>> Subject: Re: [Python.NET] Installing Python for .NET with .NET 2.0?
>> 
>> 
>> Hi Aaron,
>> 
>> the tarballs on pythondotnet's site are for .NET 1, if you
>> want to use it with .NET 2 you should checkout the last svn
>> trunk and patch it with the instruxtions described in this mail
>> http://thread.gmane.org/gmane.comp.python.dotnet/576 .In that
>> message there is also a link to binary packages provided by
>> Angel Ignacio.
>> 
>> Hi hope soon to set up a wiki dedicated to pythondotnet as
>> there aren't so many examples of using it for things like
>> embedding etc. I'm just looking for a wiki engine which as
>> some effective spam protection. If someone has any hint on a
>> product or a service please drop me a line.
>> 
>> Alberto
>> _________________________________________________
>> Python.NET mailing list - PythonDotNet at python.org
>> http://mail.python.org/mailman/listinfo/pythondotnet
>> 
> _________________________________________________
> Python.NET mailing list - PythonDotNet at python.org
> http://mail.python.org/mailman/listinfo/pythondotnet
> 



From alberto at metapensiero.it  Sat Apr 21 02:12:38 2007
From: alberto at metapensiero.it (Alberto Berti)
Date: Sat, 21 Apr 2007 02:12:38 +0200
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
In-Reply-To: <B2F63D6F135C844DB2FD680544644593304A88@serv4d.4DTechnology.local>
	(Aaron Rubin's message of "Fri\, 20 Apr 2007 13\:59\:43 -0700")
References: <B2F63D6F135C844DB2FD680544644593304A88@serv4d.4DTechnology.local>
Message-ID: <87zm52a8ll.fsf@lizard.lizardnet>

>>>>> "Aaron" == Aaron Rubin <Aaron.Rubin at 4DTechnology.com> writes:

Hi Aaron,

    Aaron> from System import Array # works!  
    Aaron> myarray = Array[int](10) # fails! TypeError: Cannot....

the correct semantic is myarray = Array[int]((0,1,2,3,4,5,6,7,8,9))

    Aaron> I'm a little confused...obviously the example doesn't work,
    Aaron> but how *should* arrays be initialized in Python .NET?  The
    Aaron> c# code might look like: int[,] numbers = new int[,] { {1,
    Aaron> 2}, {3, 4}, {5, 6} };

i wasn't able to find the correct way to create an instance of a
multidimensional Array... i think that actually it is not possible,
but maybe someone can correct me here.

    Aaron> I'm actually looking to make a 2D array.  Further, the end
    Aaron> goal is to make a 2D array...then serialize it....then
    Aaron> deserialize it in c# code itself.  I'm hoping to make this
    Aaron> a transport layer between Python and C#.  It's a bit
    Aaron> complicated, but I have an existing application in Python
    Aaron> which I want to get some calculated results out of without
    Aaron> writing listeners, named pipes, web services, etc.  All I
    Aaron> want to do is to serialize a .NET 2D array created in
    Aaron> Python.

I'm at the very start of my Python embedding journey, but since now i
prefer to work with native Python objects on that side, and then deal
with messy stuff at the messy level (read c#). So list and tuples
become PyList, PyTuples and you can iterate or convert them
appropriately. I do not know however if that is the correct way to do
such things.....

hope it helps

Alberto

From alberto at metapensiero.it  Sat Apr 21 02:19:52 2007
From: alberto at metapensiero.it (Alberto Berti)
Date: Sat, 21 Apr 2007 02:19:52 +0200
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
In-Reply-To: <C24EB690.A123%brian.lloyd@revolution.com> (Brian Lloyd's message
	of "Fri\, 20 Apr 2007 18\:27\:28 -0400")
References: <C24EB690.A123%brian.lloyd@revolution.com>
Message-ID: <87vefqa89j.fsf@lizard.lizardnet>

>>>>> "Brian" == Brian Lloyd <brian.lloyd at revolution.com> writes:

    Brian> Hi Aaron - PythonNet tip 'o the day: you can probably just
    Brian> construct the array in Python as a normal list:

    Brian>   mylist = [[1, 2], [3, 4], ...]

    Brian> If you pass that to a method with a signature that takes
    Brian> int[,] then everything should Just Work so long as the
    Brian> lists and their contents are actually convertible to the
    Brian> stated type ;)

that is good! :-)

    Brian> The syntax you're using below is actually trying
    Brian> instantiate a bound generic type (Array[int] is equivalent
    Brian> to Array<int> in C#), so when you say 'Array[int](10)' it
    Brian> is trying to create the bound generic type and initialize
    Brian> it with 10 (which is not an array), which is probably not
    Brian> what you intended.

i should better understand what generic types are....

thanks

Alberto

P.S. Any commente on my idea of a wiki for pythondotnet?

From alberto at metapensiero.it  Sat Apr 21 02:29:53 2007
From: alberto at metapensiero.it (Alberto Berti)
Date: Sat, 21 Apr 2007 02:29:53 +0200
Subject: [Python.NET] Installing Python for .NET with .NET 2.0?
In-Reply-To: <87vefqa89j.fsf@lizard.lizardnet> (Alberto Berti's message of
	"Sat\, 21 Apr 2007 02\:19\:52 +0200")
References: <C24EB690.A123%brian.lloyd@revolution.com>
	<87vefqa89j.fsf@lizard.lizardnet>
Message-ID: <87r6qea7su.fsf@lizard.lizardnet>

>>>>> "Alberto" == Alberto Berti <alberto at metapensiero.it> writes:

    Alberto> i should better understand what generic types are....

i answer by myself.. generic classes  are much more "pythonic" :)