[Tutor] pexports python27.dll > python27.def (pygraphviz 1.1 package )

[somnath chakrabarti]

Actually the problem was the access permission for the destination folder.
I changed to my account-specific path and it worked.

Thanks
Somnath


On Fri, Jan 11, 2013 at 7:08 PM, Prasad, Ramit <ramit.prasad at jpmorgan.com>wrote:

> somnath chakrabarti wrote:
> >  I have mingw and python 2.7 in a Windows 7 box and trying to install
> PyGraphViz-1.1 using the following CLI
> > utility
> >
> > python setup.py install build --compiler=mingw32
> > However, it ends up compiling error with undefined references as follows:
> >
> > ...
> >
> build\temp.win-amd64-2.7\Release\pygraphviz\graphviz_wrap.o:graphviz_wrap.c:(.text+0x5a73):
> undefined reference
> > to '_imp__PyInt_FromLong'
> > collect2: ld returned 1 exit status
> > error: command 'gcc' failed with exit status 1
> > I checked in the link (see here) which suggests exporting definitions
> from C:\Windows\System32\python27.dll to
> > python27.def and then using dlltool to create libpython27.a and finally
> placing the libpython.a file under
> > C:\Python27\libs of the Python distribution for MinGW to interpret
> Python libraries.
> > I have the C:\MinGW\bin added to my system path and been trying to do
> the export using
> >
> > pexports C:\Windows\System32\python27.dll >
> C:\Windows\System32\python27.def
> > but each time I am receiving Access is Denied Message.
> > I did some searching and found that MS Visual Studio users can avail
> another export option with DUMPBIN but
> > since I don't have MSVS installed, I would like to get some alternative
> to get rid of the problem and need to
> > use the PyGraphViz-1.1 package. Any suggestions will be very helpful
> >
> > Somnath Chakrabarti
> > MS Student
> > CSEE Department
> > University of Maryland Baltimore County
> > 1000 Hilltop Circle
> > Baltimore, MD 21250
> > M: 443-812-5609
> > mail: chakra1 at umbc.edu
> > gmail: chakrabarti.somnath at gmail.com
>
> Do you *need* to build PygraphViz? Seems like you can download binaries or
> just install from pypi.
> See: http://networkx.lanl.gov/pygraphviz/install.html
>
> Not sure you will have great luck here, as this list is about learning
> Python.
> You might have better luck in the Google Group [1], on the developer's
> site[2],
> or as a last resort the main Python mailing list.
>
>
> [1] http://groups.google.com/group/pygraphviz-discuss
> [2] http://networkx.lanl.gov/trac/wiki/PyGraphviz
>
>
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-- 

Somnath Chakrabarti
MS Student
CSEE Department
University of Maryland Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250
M: 443-812-5609
mail: chakra1 at umbc.edu
gmail: chakrabarti.somnath at gmail.com
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