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__all__ = ['SetupPy']
import os
import sys
from numpy.distutils.exec_command import exec_command
from base import Component
from utils import FileSource
def write_files(container):
s = ['creating files and directories:']
for filename, i in container.label_map.items():
content = container.list[i]
d,f = os.path.split(filename)
if d and not os.path.isdir(d):
s.append(' %s/' % (d))
if not Component._generate_dry_run:
os.makedirs(d)
s.append(' %s' % (filename))
if not Component._generate_dry_run:
overwrite = True
if os.path.isfile(filename):
overwrite = False
f = file(filename, 'r')
i = 0
for line in f:
if 'is generated using ExtGen tool' in line:
overwrite = True
break
i += 1
if i>5: break
if not overwrite:
s[-1] += ' - unknown file exists, skipping'
else:
s[-1] += ' - extgen generated file exists, overwriting'
if overwrite:
f = file(filename,'w')
f.write(content)
f.close()
return '\n'.join(s)
class SetupPy(Component):
"""
>>> from __init__ import *
>>> s = SetupPy('SetupPy_doctest')
>>> s += PyCModule('foo')
>>> s,o = s.execute('build_ext', '--inplace')
>>> assert s==0,`s`
>>> import SetupPy_doctest as mypackage
>>> print mypackage.foo.__doc__ #doctest: +ELLIPSIS
This module 'foo' is generated with ExtGen from NumPy version...
"""
template_setup_py_start = '''\
def configuration(parent_package='', top_path = ''):
from numpy.distutils.misc_util import Configuration
config = Configuration('',parent_package,top_path)'''
template_setup_py_end = '''\
return config
if __name__ == "__main__":
from numpy.distutils.core import setup
setup(configuration=configuration)
'''
template = '%(SourceWriter)s'
container_options = dict(
SourceWriter = dict(user_defined_str = write_files),
TMP = dict()
)
component_container_map = dict(
FileSource = 'SourceWriter',
ExtensionModule = 'TMP',
)
def initialize(self, build_dir, *components, **options):
self.name = self.path = build_dir
if not self.path:
self.setup_py = setup_py = Component.PySource('extgen_setup.py')
self.init_py = init_py = Component.PySource('extgen__init__.py')
else:
self.setup_py = setup_py = Component.PySource('setup.py')
self.init_py = init_py = Component.PySource('__init__.py')
setup_py += self.template_setup_py_start
self += init_py
self += setup_py
map(self.add, components)
return self
def finalize(self):
self.setup_py += self.template_setup_py_end
def execute(self, *args):
"""
Run generated setup.py file with given arguments.
"""
if not args:
raise ValueError('need setup.py arguments')
self.info(self.generate(dry_run=False))
cmd = [sys.executable,'setup.py'] + list(args)
self.info('entering %r directory' % (self.path))
self.info('executing command %r' % (' '.join(cmd)))
try:
r = exec_command(cmd, execute_in=self.path, use_tee=False)
except:
self.info('leaving %r directory' % (self.path))
raise
else:
self.info('leaving %r directory' % (self.path))
return r
def _test():
import doctest
doctest.testmod()
if __name__ == "__main__":
_test()
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