Re: Antw: Re: Cygwin python 2.3 oddity

Re: Antw: Re: Cygwin python 2.3 oddity

[Jason Tishler]

Olivier,

Please keep your replies on-list.

On Wed, Sep 10, 2003 at 10:57:16PM +0200, Olivier Lefevre wrote:
> Thanks for replying.

You are welcome.

> > Please post instead of sending private email.
> 
> The volume on Cygwin lists is huge and there isn't even a list devoted
> to packages.

OK, next time I'll copy the Python list instead. :,)

Note that private email requests for help do not scale, but mailing list
posts do.

> > What is your PYTHONSTARTUP set to?  
> 
> "/startup.py"

What does the following indicate?

    $ ls -l /startup.py

Jason

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Re: Antw: Re: cygwin python 2.3 oddity

[Christopher Faylor]

>>The volume on Cygwin lists is huge and there isn't even a list devoted
>>to packages.

Even though the majority of the email on the cygwin list is devoted to
packages...

cgf

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Re: Antw: Re: cygwin python 2.3 oddity

[Jason Tishler]

Olivier,

On Thu, Sep 11, 2003 at 05:58:14PM -0400, Christopher Faylor wrote:
> On Thu, Sep 11, 2003 at 11:55:10PM +0200, Olivier Lefevre wrote:
> >OK, so I upgraded everything and now with python 2.3.2 it works.
> >Weird.  I didn't change anything else.

When I built Python 2.3-2, I didn't change anything either -- I just
built against Cygwin 1.5.x.

> >However, following up on my own suggestion re. truss, I found about
> >strace and wanted to try it but:
> >
> >    bash-2.05b$ strace python
> >    strace.exe: error creating process python, (error 2)
> >
> >Is this a known issue? It's not mentioned in python-2.3.README, at
> >any rate.
> 
> python is a symlink.  strace doesn't grok symlinks.

Try the following:

    $ strace -o python.log python2.3.exe

Jason

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Re: Antw: Re: cygwin python 2.3 oddity

[Christopher Faylor]

On Thu, Sep 11, 2003 at 11:55:10PM +0200, Olivier Lefevre wrote:
>OK, so I upgraded everything and now with python 2.3.2 it works. Weird.
>I didn't change anything else.
>
>However, following up on my own suggestion re. truss, I found about
>strace and wanted to try it but:
>
>    bash-2.05b$ strace python
>    strace.exe: error creating process python, (error 2)
>
>Is this a known issue? It's not mentioned in python-2.3.README, at any rate.

python is a symlink.  strace doesn't grok symlinks.

cgf

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Re: Antw: Re: Cygwin python 2.3 oddity

[Olivier Lefevre]

OK, so I upgraded everything and now with python 2.3.2 it works. Weird.
I didn't change anything else.

However, following up on my own suggestion re. truss, I found about
strace and wanted to try it but:

    bash-2.05b$ strace python
    strace.exe: error creating process python, (error 2)

Is this a known issue? It's not mentioned in python-2.3.README, at any rate.

Thanks again,

-- O.L.



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Re: Antw: Re: Cygwin python 2.3 oddity

[Jason Tishler]

Olivier,

On Thu, Sep 11, 2003 at 05:55:37PM +0200, Olivier Lefevre wrote:
> > BTW, I just noticed that you are using Cygwin Python 2.3-1.  Does
> > 2.3-2 work any better?  The two packages are identical except for
> > 32- vs.  64-bit, but maybe this is the difference?
> 
> I tried to install 2.3.2 and got "The procedure entry point __getreent
> could not be located in the dynamic link library cygwin1.dll", so I
> went back to 2.3.1. In any case, this is a standard PIV-based PC, no
> 64-bit here.

See the following:

    http://cygwin.com/ml/cygwin-announce/2003-09/msg00001.html
    http://cygwin.com/ml/cygwin-announce/2003-09/msg00041.html

Jason

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Re: Antw: Re: Cygwin python 2.3 oddity

[Cliff Hones]

Olivier Lefevre wrote

> ...
> Now if only cygwin had an equivalent of Solaris truss; it might give us
> a clue.

Pardon?  What about strace?

-- Cliff


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Re: Antw: Re: Cygwin python 2.3 oddity

[Olivier Lefevre]

> Why is the above "/c/cygwin/startup.py" and not "/startup.py" 
> as you previously indicated?

That's the same directory. I just made a typo the 1st time.

> BTW, I just noticed that you are using Cygwin Python 2.3-1.  Does
2.3-2
> work any better?  The two packages are identical except for 32- vs.
> 64-bit, but maybe this is the difference?

I tried to install 2.3.2 and got "The procedure entry point __getreent
could not
be located in the dynamic link library cygwin1.dll", so I went back to
2.3.1. In 
any case, this is a standard PIV-based PC, no 64-bit here.

Now if only cygwin had an equivalent of Solaris truss; it might give us
a clue.

-- O.L.


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Re: Antw: Re: Cygwin python 2.3 oddity

[Jason Tishler]

Olivier,

On Thu, Sep 11, 2003 at 04:41:04PM +0200, Olivier Lefevre wrote:
> bash-2.05b$ ls -ls `echo $PYTHONSTARTUP`
> 1.0k -rw-rw-rw-    1 Administ None           22 Sep 11 16:34
> /c/cygwin/startup.py

Why is the above "/c/cygwin/startup.py" and not "/startup.py" as you
previously indicated?

> I know it isn't read because it contains the line 'from sets import
> Set' but
> 
> bash-2.05b$ python
> Python 2.3 (#1, Aug  1 2003, 15:01:23)
> [GCC 3.2 20020927 (prerelease)] on cygwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> Set()
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> NameError: name 'Set' is not defined
> 
> yet the sets module can be found:
> 
> >>> from sets import Set
> >>> Set()
> Set([])
> >>>
> 
> So at this point I am really mystified. 

I cannot explain the above behavior.

FWIW, the following works:

    $ cat /tmp/.pythonrc.py
    print '*** startup executed ***'
    $ PYTHONSTARTUP=/tmp/.pythonrc.py python
    Python 2.3 (#1, Aug  5 2003, 09:49:11) 
    [GCC 3.2 20020927 (prerelease)] on cygwin
    Type "help", "copyright", "credits" or "license" for more information.
    *** startup executed ***
    >>>

BTW, I just noticed that you are using Cygwin Python 2.3-1.  Does 2.3-2
work any better?  The two packages are identical except for 32- vs.
64-bit, but maybe this is the difference?

Jason

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Re: Antw: Re: Cygwin python 2.3 oddity

[Olivier Lefevre]

bash-2.05b$ ls -ls `echo $PYTHONSTARTUP`
1.0k -rw-rw-rw-    1 Administ None           22 Sep 11 16:34
/c/cygwin/startup.py

I know it isn't read because it contains the line 'from sets import
Set' but

bash-2.05b$ python
Python 2.3 (#1, Aug  1 2003, 15:01:23)
[GCC 3.2 20020927 (prerelease)] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> Set()
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
NameError: name 'Set' is not defined

yet the sets module can be found:

>>> from sets import Set
>>> Set()
Set([])
>>>

So at this point I am really mystified. 

-- O.L.


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