2.4beta1 distutil problem?

[Helmut Jarausch]

Hi,

I'd like to install SCons (http://www.scons.org) on my Linux box.
There, the cvs version of Python is running.
Doing as recommended in the README file

export SCONS_LIB_DIR=`pwd`/src/engine
python src/script/scons.py build/scons

I get after some time
/usr/local/bin/python build/scons/setup.py bdist_wininst
running bdist_wininst
running build
running build_py
running build_scripts
Traceback (most recent call last):
File "/Obj/OBJ/Python/SCons/scons/build/scons/setup.py", line 221, in ?
apply(distutils.core.setup, (), arguments)
File "/usr/local/lib/python2.4/distutils/core.py", line 149, in setup
dist.run_commands()
File "/usr/local/lib/python2.4/distutils/dist.py", line 946, in
run_commands
self.run_command(cmd)
File "/usr/local/lib/python2.4/distutils/dist.py", line 966, in
run_command
cmd_obj.run()
File "/usr/local/lib/python2.4/distutils/command/bdist_wininst.py",
line 127, in run
assert self.skip_build, "Should have already checked this"
AssertionError: Should have already checked this
scons: *** [build/scons/dist/scons-0.96.win32.exe] Error 1Remember this is a build on a Linux machine.


This install procedure is claimed to work with Python 2.3.x .

Thanks for any hints,
Helmut.


--
Helmut Jarausch

Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany

 

[Thomas Heller]

Hi,

I'd like to install SCons (http://www.scons.org) on my Linux box.
There, the cvs version of Python is running.
Doing as recommended in the README file

export SCONS_LIB_DIR=`pwd`/src/engine
python src/script/scons.py build/scons

I get after some time
/usr/local/bin/python build/scons/setup.py bdist_wininst
running bdist_wininst
running build
running build_py
running build_scripts
Traceback (most recent call last):
File "/Obj/OBJ/Python/SCons/scons/build/scons/setup.py", line 221, in ?
apply(distutils.core.setup, (), arguments)
File "/usr/local/lib/python2.4/distutils/core.py", line 149, in setup
dist.run_commands()
File "/usr/local/lib/python2.4/distutils/dist.py", line 946, in
run_commands
self.run_command(cmd)
File "/usr/local/lib/python2.4/distutils/dist.py", line 966, in
run_command
cmd_obj.run()
File "/usr/local/lib/python2.4/distutils/command/bdist_wininst.py",
line 127, in run
assert self.skip_build, "Should have already checked this"
AssertionError: Should have already checked this
scons: *** [build/scons/dist/scons-0.96.win32.exe] Error 1Remember this is a build on a Linux machine.


This install procedure is claimed to work with Python 2.3.x .

Seems like a bug to me. And it has nothing to do with Linux or not - it
is triggered if the distribution doesn't have any extension modules.

A quick fix is this patch, at least it works for me:

Thomas

Index: bdist_wininst.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/distutils/command/bdist_wininst.py,v
retrieving revision 1.54
diff -c -r1.54 bdist_wininst.py
*** bdist_wininst.py 17 Aug 2004 10:15:07 -0000 1.54
--- bdist_wininst.py 27 Oct 2004 15:11:11 -0000
***************
*** 116,135 ****
install_lib.compile = 0
install_lib.optimize = 0

! # If we are building an installer for a Python version other
! # than the one we are currently running, then we need to ensure
! # our build_lib reflects the other Python version rather than ours.
! # Note that for target_version!=sys.version, we must have skipped the
! # build step, so there is no issue with enforcing the build of this
! # version.
! target_version = self.target_version
! if not target_version:
! assert self.skip_build, "Should have already checked this"
! target_version = sys.version[0:3]
! plat_specifier = ".%s-%s" % (get_platform(), target_version)
! build = self.get_finalized_command('build')
! build.build_lib = os.path.join(build.build_base,
! 'lib' + plat_specifier)

# Use a custom scheme for the zip-file, because we have to decide
# at installation time which scheme to use.
--- 116,136 ----
install_lib.compile = 0
install_lib.optimize = 0

! if self.distribution.has_ext_modules():
! # If we are building an installer for a Python version other
! # than the one we are currently running, then we need to ensure
! # our build_lib reflects the other Python version rather than ours.
! # Note that for target_version!=sys.version, we must have skipped the
! # build step, so there is no issue with enforcing the build of this
! # version.
! target_version = self.target_version
! if not target_version:
! assert self.skip_build, "Should have already checked this"
! target_version = sys.version[0:3]
! plat_specifier = ".%s-%s" % (get_platform(), target_version)
! build = self.get_finalized_command('build')
! build.build_lib = os.path.join(build.build_base,
! 'lib' + plat_specifier)

# Use a custom scheme for the zip-file, because we have to decide
# at installation time which scheme to use.

 

[Helmut Jarausch]

Many thanks,
hopefully it makes it into the CVS,

Helmut.

Seems like a bug to me. And it has nothing to do with Linux or not - it
is triggered if the distribution doesn't have any extension modules.

A quick fix is this patch, at least it works for me:

Thomas

Index: bdist_wininst.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/distutils/command/bdist_wininst.py,v
retrieving revision 1.54
diff -c -r1.54 bdist_wininst.py
*** bdist_wininst.py 17 Aug 2004 10:15:07 -0000 1.54
--- bdist_wininst.py 27 Oct 2004 15:11:11 -0000
***************
*** 116,135 ****
install_lib.compile = 0
install_lib.optimize = 0

! # If we are building an installer for a Python version other
! # than the one we are currently running, then we need to ensure
! # our build_lib reflects the other Python version rather than ours.
! # Note that for target_version!=sys.version, we must have skipped the
! # build step, so there is no issue with enforcing the build of this
! # version.
! target_version = self.target_version
! if not target_version:
! assert self.skip_build, "Should have already checked this"
! target_version = sys.version[0:3]
! plat_specifier = ".%s-%s" % (get_platform(), target_version)
! build = self.get_finalized_command('build')
! build.build_lib = os.path.join(build.build_base,
! 'lib' + plat_specifier)

# Use a custom scheme for the zip-file, because we have to decide
# at installation time which scheme to use.
--- 116,136 ----
install_lib.compile = 0
install_lib.optimize = 0

! if self.distribution.has_ext_modules():
! # If we are building an installer for a Python version other
! # than the one we are currently running, then we need to ensure
! # our build_lib reflects the other Python version rather than ours.
! # Note that for target_version!=sys.version, we must have skipped the
! # build step, so there is no issue with enforcing the build of this
! # version.
! target_version = self.target_version
! if not target_version:
! assert self.skip_build, "Should have already checked this"
! target_version = sys.version[0:3]
! plat_specifier = ".%s-%s" % (get_platform(), target_version)
! build = self.get_finalized_command('build')
! build.build_lib = os.path.join(build.build_base,
! 'lib' + plat_specifier)

# Use a custom scheme for the zip-file, because we have to decide
# at installation time which scheme to use.

--
Helmut Jarausch

Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany