[Python-bugs-list] [ python-Bugs-455537 ] module search in import.c

[noreply@sourceforge.net]

Bugs item #455537, was opened at 2001-08-26 10:07
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Category: Build
Group: Python 2.1.1
Status: Open
Resolution: None
Priority: 5
Submitted By: Armin Steinhoff (arminsteinhoff)
Assigned to: Nobody/Anonymous (nobody)
Summary: module search in import.c

Initial Comment:
I'm porting 2.1.1 to QNX6 and got the situation that the module 'os' could not
be be found with 'import os'

After some hacking with DDD .. I found out that the pathes used by the search
algorithm of import.c has nothing to do with the directory structure of the UNIX
distribution of Python 2.1.1 =:-/

I have installed Python in the root directory and set PYTHONHOME/PYTHONPATH to
/Python-2.1.1 -> the path to he library modules is then

                     -> /Python-2.1.1/Lib   OK ... that's not a clean place for UNIX freaks :)

The search algorithm of import.c is using the following search path sequence:

  "os.so"   -> I don't know why it should make sense to open
               a shared object with fopen ??
  "osmodule.so"
  "os.py"
  "os.pyc"

  "/Python-2.1.1/os.so" ... os.pyc

  "/Python-2.1.1/lib/python2.1/os.so" ... os.pyc
                ^^^^^^^^^^^^^^^ who got the idea that this is part of the 
                                                  UNIX tar.gz distribution ??

Also ... there are similar problems with the binaries installed by 'make install' ...

Armin

a-steinhoff@web.de

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>Comment By: Jeremy Hylton (jhylton)
Date: 2001-08-27 15:20

Message:
Logged In: YES 
user_id=31392

I'm not sure what the complaint is.  The man page for Python
is quite clear about what PYTHONHOME means:

Change the location of the standard Python libraries.  By
default, the
libraries are searched in ${prefix}/lib/python<version> and
${exec_prefix}/lib/python<version>, where ${prefix} and
${exec_prefix}
are installation-dependent directories, both defaulting to
\fI/usr/local\fP.  When $PYTHONHOME is set to a single
directory, its value
replaces both ${prefix} and ${exec_prefix}.  To specify
different values
for these, set $PYTHONHOME to ${prefix}:${exec_prefix}.

It sounds like Python is doing exactly what it is documented
to do.


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