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File Content: `setuptools_ext.py`

import os

try:
    basestring
except NameError:
    # Python 3.x
    basestring = str

def error(msg):
    from distutils.errors import DistutilsSetupError
    raise DistutilsSetupError(msg)


def execfile(filename, glob):
    # We use execfile() (here rewritten for Python 3) instead of
    # __import__() to load the build script.  The problem with
    # a normal import is that in some packages, the intermediate
    # __init__.py files may already try to import the file that
    # we are generating.
    with open(filename) as f:
        src = f.read()
    src += '\n'      # Python 2.6 compatibility
    code = compile(src, filename, 'exec')
    exec(code, glob, glob)


def add_cffi_module(dist, mod_spec):
    from cffi.api import FFI

    if not isinstance(mod_spec, basestring):
        error("argument to 'cffi_modules=...' must be a str or a list of str,"
              " not %r" % (type(mod_spec).__name__,))
    mod_spec = str(mod_spec)
    try:
        build_file_name, ffi_var_name = mod_spec.split(':')
    except ValueError:
        error("%r must be of the form 'path/build.py:ffi_variable'" %
              (mod_spec,))
    if not os.path.exists(build_file_name):
        ext = ''
        rewritten = build_file_name.replace('.', '/') + '.py'
        if os.path.exists(rewritten):
            ext = ' (rewrite cffi_modules to [%r])' % (
                rewritten + ':' + ffi_var_name,)
        error("%r does not name an existing file%s" % (build_file_name, ext))

    mod_vars = {'__name__': '__cffi__', '__file__': build_file_name}
    execfile(build_file_name, mod_vars)

    try:
        ffi = mod_vars[ffi_var_name]
    except KeyError:
        error("%r: object %r not found in module" % (mod_spec,
                                                     ffi_var_name))
    if not isinstance(ffi, FFI):
        ffi = ffi()      # maybe it's a function instead of directly an ffi
    if not isinstance(ffi, FFI):
        error("%r is not an FFI instance (got %r)" % (mod_spec,
                                                      type(ffi).__name__))
    if not hasattr(ffi, '_assigned_source'):
        error("%r: the set_source() method was not called" % (mod_spec,))
    module_name, source, source_extension, kwds = ffi._assigned_source
    if ffi._windows_unicode:
        kwds = kwds.copy()
        ffi._apply_windows_unicode(kwds)

    if source is None:
        _add_py_module(dist, ffi, module_name)
    else:
        _add_c_module(dist, ffi, module_name, source, source_extension, kwds)


def _add_c_module(dist, ffi, module_name, source, source_extension, kwds):
    from distutils.core import Extension
    from distutils.command.build_ext import build_ext
    from distutils.dir_util import mkpath
    from distutils import log
    from cffi import recompiler

    allsources = ['$PLACEHOLDER']
    allsources.extend(kwds.pop('sources', []))
    ext = Extension(name=module_name, sources=allsources, **kwds)

    def make_mod(tmpdir, pre_run=None):
        c_file = os.path.join(tmpdir, module_name + source_extension)
        log.info("generating cffi module %r" % c_file)
        mkpath(tmpdir)
        # a setuptools-only, API-only hook: called with the "ext" and "ffi"
        # arguments just before we turn the ffi into C code.  To use it,
        # subclass the 'distutils.command.build_ext.build_ext' class and
        # add a method 'def pre_run(self, ext, ffi)'.
        if pre_run is not None:
            pre_run(ext, ffi)
        updated = recompiler.make_c_source(ffi, module_name, source, c_file)
        if not updated:
            log.info("already up-to-date")
        return c_file

    if dist.ext_modules is None:
        dist.ext_modules = []
    dist.ext_modules.append(ext)

    base_class = dist.cmdclass.get('build_ext', build_ext)
    class build_ext_make_mod(base_class):
        def run(self):
            if ext.sources[0] == '$PLACEHOLDER':
                pre_run = getattr(self, 'pre_run', None)
                ext.sources[0] = make_mod(self.build_temp, pre_run)
            base_class.run(self)
    dist.cmdclass['build_ext'] = build_ext_make_mod
    # NB. multiple runs here will create multiple 'build_ext_make_mod'
    # classes.  Even in this case the 'build_ext' command should be
    # run once; but just in case, the logic above does nothing if
    # called again.


def _add_py_module(dist, ffi, module_name):
    from distutils.dir_util import mkpath
    from distutils.command.build_py import build_py
    from distutils.command.build_ext import build_ext
    from distutils import log
    from cffi import recompiler

    def generate_mod(py_file):
        log.info("generating cffi module %r" % py_file)
        mkpath(os.path.dirname(py_file))
        updated = recompiler.make_py_source(ffi, module_name, py_file)
        if not updated:
            log.info("already up-to-date")

    base_class = dist.cmdclass.get('build_py', build_py)
    class build_py_make_mod(base_class):
        def run(self):
            base_class.run(self)
            module_path = module_name.split('.')
            module_path[-1] += '.py'
            generate_mod(os.path.join(self.build_lib, *module_path))
    dist.cmdclass['build_py'] = build_py_make_mod

    # the following is only for "build_ext -i"
    base_class_2 = dist.cmdclass.get('build_ext', build_ext)
    class build_ext_make_mod(base_class_2):
        def run(self):
            base_class_2.run(self)
            if self.inplace:
                # from get_ext_fullpath() in distutils/command/build_ext.py
                module_path = module_name.split('.')
                package = '.'.join(module_path[:-1])
                build_py = self.get_finalized_command('build_py')
                package_dir = build_py.get_package_dir(package)
                file_name = module_path[-1] + '.py'
                generate_mod(os.path.join(package_dir, file_name))
    dist.cmdclass['build_ext'] = build_ext_make_mod

def cffi_modules(dist, attr, value):
    assert attr == 'cffi_modules'
    if isinstance(value, basestring):
        value = [value]

    for cffi_module in value:
        add_cffi_module(dist, cffi_module)

Name	Size	Permission
__init__.py	483 bytes	0644
__init__.pyc	541 bytes	0644
__init__.pyo	541 bytes	0644
_cffi_include.h	10013 bytes	0644
_embedding.h	17249 bytes	0644
api.py	37637 bytes	0644
api.pyc	36624 bytes	0644
api.pyo	36418 bytes	0644
backend_ctypes.py	40130 bytes	0644
backend_ctypes.pyc	45370 bytes	0644
backend_ctypes.pyo	44995 bytes	0644
cffi_opcode.py	5477 bytes	0644
cffi_opcode.pyc	5760 bytes	0644
cffi_opcode.pyo	5705 bytes	0644
commontypes.py	2531 bytes	0644
commontypes.pyc	2260 bytes	0644
commontypes.pyo	2192 bytes	0644
cparser.py	37065 bytes	0644
cparser.pyc	24380 bytes	0644
cparser.pyo	24193 bytes	0644
ffiplatform.py	3729 bytes	0644
ffiplatform.pyc	4723 bytes	0644
ffiplatform.pyo	4723 bytes	0644
gc_weakref.py	642 bytes	0644
gc_weakref.pyc	1242 bytes	0644
gc_weakref.pyo	1203 bytes	0644
lock.py	747 bytes	0644
lock.pyc	441 bytes	0644
lock.pyo	441 bytes	0644
model.py	21110 bytes	0644
model.pyc	23590 bytes	0644
model.pyo	23384 bytes	0644
parse_c_type.h	5835 bytes	0644
recompiler.py	60709 bytes	0644
recompiler.pyc	53622 bytes	0644
recompiler.pyo	52874 bytes	0644
setuptools_ext.py	6158 bytes	0644
setuptools_ext.pyc	6895 bytes	0644
setuptools_ext.pyo	6851 bytes	0644
vengine_cpy.py	41370 bytes	0644
vengine_cpy.pyc	37599 bytes	0644
vengine_cpy.pyo	37261 bytes	0644
vengine_gen.py	26633 bytes	0644
vengine_gen.pyc	24595 bytes	0644
vengine_gen.pyo	24209 bytes	0644
verifier.py	11518 bytes	0644
verifier.pyc	11416 bytes	0644
verifier.pyo	11375 bytes	0644

File Content: setuptools_ext.py

File Content: `setuptools_ext.py`