Commit 43239dc1 authored by Stefan Behnel's avatar Stefan Behnel

somewhat ugly hack for Py3.1+ to get Cython modules compiled on installation

parent ea2ad18f
......@@ -12,9 +12,11 @@ import re
import sys
try:
set
except NameError:
# Python 2.3
from __builtin__ import set
except ImportError:
try:
from builtins import set
except ImportError:
from sets import Set as set
from Cython.Compiler.Scanning import PyrexScanner, FileSourceDescriptor
......
......@@ -97,7 +97,10 @@ def initial_compile_time_env():
'UNAME_VERSION', 'UNAME_MACHINE')
for name, value in zip(names, platform.uname()):
benv.declare(name, value)
try:
import __builtin__ as builtins
except ImportError:
import builtins
names = ('False', 'True',
'abs', 'bool', 'chr', 'cmp', 'complex', 'dict', 'divmod', 'enumerate',
'float', 'hash', 'hex', 'int', 'len', 'list', 'long', 'map', 'max', 'min',
......
......@@ -7,5 +7,6 @@
# and keep the old one under the module name _build_ext,
# so that *our* build_ext can make use of it.
from build_ext import build_ext
from Cython.Distutils.build_ext import build_ext
# from extension import Extension
......@@ -15,16 +15,6 @@ from distutils.sysconfig import customize_compiler, get_python_version
from distutils.dep_util import newer, newer_group
from distutils import log
from distutils.dir_util import mkpath
try:
from Cython.Compiler.Main \
import CompilationOptions, \
default_options as pyrex_default_options, \
compile as cython_compile
from Cython.Compiler.Errors import PyrexError
except ImportError, e:
print "failed to import Cython: %s" % e
PyrexError = None
from distutils.command import build_ext as _build_ext
extension_name_re = _build_ext.extension_name_re
......@@ -83,18 +73,22 @@ class build_ext(_build_ext.build_ext):
self.build_extension(ext)
def cython_sources(self, sources, extension):
"""
Walk the list of source files in 'sources', looking for Cython
source files (.pyx and .py). Run Cython on all that are
found, and return a modified 'sources' list with Cython source
files replaced by the generated C (or C++) files.
"""
if PyrexError == None:
raise DistutilsPlatformError, \
("Cython does not appear to be installed "
"on platform '%s'") % os.name
try:
from Cython.Compiler.Main \
import CompilationOptions, \
default_options as pyrex_default_options, \
compile as cython_compile
from Cython.Compiler.Errors import PyrexError
except ImportError:
e = sys.exc_info()[1]
print("failed to import Cython: %s" % e)
raise DistutilsPlatformError("Cython does not appear to be installed")
new_sources = []
pyrex_sources = []
......
......@@ -25,6 +25,11 @@ if sys.platform == "darwin":
setup_args = {}
def add_command_class(name, cls):
cmdclasses = setup_args.get('cmdclass', {})
cmdclasses[name] = cls
setup_args['cmdclass'] = cmdclasses
if sys.version_info[0] >= 3:
import lib2to3.refactor
from distutils.command.build_py \
......@@ -34,7 +39,7 @@ if sys.version_info[0] >= 3:
if fix.split('fix_')[-1] not in ('next',)
]
build_py.fixer_names = fixers
setup_args['cmdclass'] = {"build_py" : build_py}
add_command_class("build_py", build_py)
if sys.version_info < (2,4):
......@@ -72,14 +77,45 @@ else:
else:
scripts = ["cython.py"]
def compile_cython_modules():
source_root = os.path.abspath(os.path.dirname(__file__))
compiled_modules = ["Cython.Plex.Scanners",
"Cython.Compiler.Scanning",
"Cython.Compiler.Parsing",
"Cython.Compiler.Visitor",
"Cython.Runtime.refnanny"]
extensions = []
try:
if sys.version_info[0] >= 3:
raise ValueError
sys.argv.remove("--no-cython-compile")
except ValueError:
try:
from Cython.Distutils import build_ext as build_ext_orig
for module in compiled_modules:
source_file = os.path.join(source_root, *module.split('.'))
if os.path.exists(source_file + ".py"):
pyx_source_file = source_file + ".py"
else:
pyx_source_file = source_file + ".pyx"
extensions.append(
Extension(module, sources = [pyx_source_file])
)
class build_ext(build_ext_orig):
def build_extensions(self):
# add path where 2to3 installed the transformed sources
# and make sure Python (re-)imports them from there
already_imported = [ module for module in sys.modules
if module == 'Cython' or module.startswith('Cython.') ]
for module in already_imported:
del sys.modules[module]
sys.path.insert(0, os.path.join(source_root, self.build_lib))
build_ext_orig.build_extensions(self)
setup_args['ext_modules'] = extensions
add_command_class("build_ext", build_ext)
else: # Python 2.x
from distutils.command.build_ext import build_ext as build_ext_orig
try:
class build_ext(build_ext_orig):
def build_extension(self, ext, *args, **kargs):
try:
......@@ -89,12 +125,6 @@ except ValueError:
from Cython.Compiler.Main import compile
from Cython import Utils
source_root = os.path.dirname(__file__)
compiled_modules = ["Cython.Plex.Scanners",
"Cython.Compiler.Scanning",
"Cython.Compiler.Parsing",
"Cython.Compiler.Visitor",
"Cython.Runtime.refnanny"]
extensions = []
for module in compiled_modules:
source_file = os.path.join(source_root, *module.split('.'))
if os.path.exists(source_file + ".py"):
......@@ -116,11 +146,16 @@ except ValueError:
print("Compilation failed")
if extensions:
setup_args['ext_modules'] = extensions
setup_args['cmdclass'] = {"build_ext" : build_ext}
add_command_class("build_ext", build_ext)
except Exception:
print("ERROR: %s" % sys.exc_info()[1])
print("Extension module compilation failed, using plain Python implementation")
try:
sys.argv.remove("--no-cython-compile")
except ValueError:
compile_cython_modules()
setup_args.update(setuptools_extra_args)
from Cython.Compiler.Version import version
......
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