[Python-bugs-list] [Bug #110821] Python 1.5.2 bug, tried to post but got error (PR#121)

noreply@sourceforge.net noreply@sourceforge.net
Thu, 7 Sep 2000 15:01:21 -0700


Bug #110821, was updated on 2000-Aug-01 14:10
Here is a current snapshot of the bug.

Project: Python
Category: None
Status: Open
Resolution: None
Bug Group: Feature Request
Priority: 5
Summary: Python 1.5.2 bug, tried to post but got error (PR#121)

Details: Jitterbug-Id: 121
Submitted-By: "Brad Clements" <bkc@murkworks.com>
Date: Wed, 3 Nov 1999 15:53:01 -0500
Version: None
OS: None

The system encountered a fatal error 
After command: 
Received: 
The last error code was: Connection refused 

Web interface using {HYPERLINK "http://samba.anu.edu.au/jitterbug/"}Jitterbug 
{HYPERLINK "../python-bugs/"}Public interface 
{HYPERLINK "../python-bugs.private"}Private interface (requires password) 
{HYPERLINK "http://www.python.org/"}Python home page 

-----
Here's what I said for Python 1.5.2 on Win32 #0

PyRun_SimpleFile, PyRun_File and other functions that take a FILE * are not 
usable on WIN32 from non-VC applications because python15.dll is statically 
linked to the MS runtime DLL. Embedding applications that try to use these 
functions are passing in FILE * structures that do not match MS's runtime 
format. 

For example, I'm using Python in a Borland C++ Builder application. Although I 
can open a FILE *, when passed to python15.dll the FILE * is not usable.

The addition of two helper functions would solve this problem:

FILE * PyRun_OpenFile(char *file, char *mode) 
{
  return fopen(file,mode)
}

int PyRun_CloseFile(FILE *ptr)
{
  return fclose(ptr)
}

This way embedding apps could get python15.dll to open the file and it would 
work.

A temporary workaround is to always load the .pyc file in PyRun_SimpleFile..


Brad Clements,                bkc@murkworks.com   (315)268-1000
http://www.murkworks.com                          (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com               ICQ: 14856937


====================================================================
Audit trail:
Fri Nov 05 10:31:10 1999	guido	moved from incoming to request

Follow-Ups:

Date: 2000-Aug-01 14:10
By: none

Comment:
From: Guido van Rossum <guido@CNRI.Reston.VA.US>
Subject: Re: [Python-bugs-list] Python 1.5.2 bug, tried to post but got error (PR#121)
Date: Wed, 03 Nov 1999 20:08:11 -0500

> I tried to post a bug, but got this error:
> 
> The system encountered a fatal error 

We were being slammed by a defective spider (or, if you're more
paranoid, by a hacker) so we temporarily turned off the webserver.  It
should be back on now.

> Here's what I said for Python 1.5.2 on Win32 #0
> 
> PyRun_SimpleFile, PyRun_File and other functions that take a FILE * are not 
> usable on WIN32 from non-VC applications because python15.dll is statically 
> linked to the MS runtime DLL. Embedding applications that try to use these 
> functions are passing in FILE * structures that do not match MS's runtime 
> format. 
> 
> For example, I'm using Python in a Borland C++ Builder application. Although I 
> can open a FILE *, when passed to python15.dll the FILE * is not usable.
> 
> The addition of two helper functions would solve this problem:
> 
> FILE * PyRun_OpenFile(char *file, char *mode) 
> {
>   return fopen(file,mode)
> }
> 
> int PyRun_CloseFile(FILE *ptr)
> {
>   return fclose(ptr)
> }
> 
> This way embedding apps could get python15.dll to open the file and it would 
> work.
> 
> A temporary workaround is to always load the .pyc file in PyRun_SimpleFile..

This is an elegant solution.  I think I'll add it.

Could you mail me your suggestion again with the legal boilerplate
included?  See http://www.python.org/1.5/bugrelease.html for the text
and explanation.  Our lawyers require that I request this silliness...

--Guido van Rossum (home page: http://www.python.org/~guido/)

-------------------------------------------------------

Date: 2000-Aug-01 14:10
By: none

Comment:
From: "Brad Clements" <bkc@murkworks.com>
Subject: Re: [Python-bugs-list] Python 1.5.2 bug, tried to post but got error (PR#121)
Date: Wed, 3 Nov 1999 20:22:21 -0500

Here it is again.

Also, I believe this will resolve  FAQ entry 8.10


> 8.10. Can't get Py_RunSimpleFile() to work.
> This is very sensitive to the compiler vendor, version and (perhaps) even
> options. If the FILE* structure in your embedding program isn't the same as
> is assumed by the Python interpreter it won't work. The Python 1.5.* DLLs
> (python15.dll) are all compiled with MS VC++ 5.0 and with
> multithreading-DLL options (/MD, I think). 
> 
> If you can't change compilers or flags, try using Py_RunSimpleString(). A
> trick to get it to run an arbitrary file is to construct a call to
> execfile() with the name of your file as argument. 
> 
> 
> 
> ---------------------------------------------------------------------------
> -----


> Here's what I said for Python 1.5.2 on Win32 #0
> 
> PyRun_SimpleFile, PyRun_File and other functions that take a FILE * are not 
> usable on WIN32 from non-VC applications because python15.dll is statically 
> linked to the MS runtime DLL. Embedding applications that try to use these 
> functions are passing in FILE * structures that do not match MS's runtime 
> format. 
> 
> For example, I'm using Python in a Borland C++ Builder application. Although I 
> can open a FILE *, when passed to python15.dll the FILE * is not usable.
> 
> The addition of two helper functions would solve this problem:
> 
> FILE * PyRun_OpenFile(char *file, char *mode) 
> {
>   return fopen(file,mode)
> }
> 
> int PyRun_CloseFile(FILE *ptr)
> {
>   return fclose(ptr)
> }
> 
> This way embedding apps could get python15.dll to open the file and it would 
> work.
> 
> A temporary workaround is to always load the .pyc file in PyRun_SimpleFile..


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Brad Clements,                bkc@murkworks.com   (315)268-1000
http://www.murkworks.com                          (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com               ICQ: 14856937

-------------------------------------------------------

Date: 2000-Sep-07 15:01
By: jhylton

Comment:
Please do triage on this bug.
-------------------------------------------------------

For detailed info, follow this link:
http://sourceforge.net/bugs/?func=detailbug&bug_id=110821&group_id=5470