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#!/usr/bin/env python
import os
class PyConfig(object):
'''A specific Python configuration e.g. "Python 2.7 --with-pydebug"
'''
def __init__(self, binname, pkgname, description):
self.binname = binname
self.pkgname = pkgname
self.description = description
def capture_stdout(self, command):
from subprocess import Popen, PIPE
p = Popen([conf.binname, '-c', command], stdout=PIPE)
stdout, stderr = p.communicate()
return stdout
def eval(self, fmt):
# use "@" as the metacharacter, to avoid confusion with shell "$" and
# specfiles "%". (Possible issues with email addresses?)
fmt = fmt.replace('@confbin', self.binname)
fmt = fmt.replace('@confpkg', self.pkgname)
fmt = fmt.replace('@confdescline',
"This package is for %s" % self.description)
fmt = fmt.replace('@confdesc', self.description)
fmt = fmt.replace('@confsrcdir', '%s-src' % self.pkgname)
if '@conf_sitearch' in fmt:
conf_sitearch = self.capture_stdout("from distutils.sysconfig import get_python_lib; print(get_python_lib(1))").strip()
fmt = fmt.replace('@conf_sitearch', conf_sitearch)
return fmt
from optparse import OptionParser
parser = OptionParser()
parser.add_option('-v', "--verbose", action="store_true", dest="verbose",
help="Display additional debugging information")
parser.add_option("--foreach", action="store_true", dest="foreach",
help="Iterate over all Python configurations")
parser.add_option("--exe", action="store", dest="execute",
help="Execute shell command (with formatting)")
parser.add_option("--eval", action="store", type="string", dest="eval",
help="Print a formatted string")
(options, args) = parser.parse_args()
if options.verbose:
print (options, args)
# FIXME: this would eventually come from /etc/rpm-pyconfig.d/*.conf
if 1:
# The two Fedora 13 python runtimes
configs = [PyConfig('python2.6', 'python2', 'Python 2'),
PyConfig('python3.1', 'python3', 'Python 3'),
]
if 0:
# Combinatorial fun - but what will we want in the future?
configs = [PyConfig('python2.6', 'python26', 'the standard build of Python 2.6'),
PyConfig('python2.6-dbg', 'python26-dbg', 'the debug build of Python 2.6'),
PyConfig('python2.7', 'python27', 'the standard build of Python 2.7'),
PyConfig('python2.7-dbg', 'python27-dbg', 'the debug build of Python 2.7'),
PyConfig('python3.1', 'python31', 'the standard build of Python 3.1'),
PyConfig('python3.1-dbg', 'python31-dbg', 'the debug build of Python 3.1'),
PyConfig('python3.2', 'python32', 'standard thebuild of Python 3.2'),
PyConfig('python3.2-dbg', 'python32-dbg', 'the debug build of Python 3.2'),
]
# is the --foreach option redundant ?
if options.foreach:
for conf in configs:
if options.execute:
cmd = conf.eval(options.execute)
os.system(cmd)
elif options.eval:
print conf.eval(options.eval)
else:
print conf.pkgname
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