Commit 88df97f2 authored by Stefan Behnel's avatar Stefan Behnel

implement'language='c++' option for cythonize()

parent 0f6e78a7
......@@ -8,6 +8,10 @@ Latest
Features added
--------------
* Passing ``language='c++'`` into cythonize() globally enables C++ mode for
all modules that were not passed as Extension objects (i.e. only source
files and file patterns).
* ``Py_hash_t`` is a known type (used in CPython for hash values).
* ``PySlice_*()`` C-API functions are available from the ``cpython.slice``
......
......@@ -586,7 +586,8 @@ def create_dependency_tree(ctx=None, quiet=False):
# This may be useful for advanced users?
def create_extension_list(patterns, exclude=[], ctx=None, aliases=None, quiet=False, exclude_failures=False):
def create_extension_list(patterns, exclude=[], ctx=None, aliases=None, quiet=False, language=None,
exclude_failures=False):
if not isinstance(patterns, (list, tuple)):
patterns = [patterns]
explicit_modules = set([m.name for m in patterns if isinstance(m, Extension)])
......@@ -606,6 +607,7 @@ def create_extension_list(patterns, exclude=[], ctx=None, aliases=None, quiet=Fa
name = '*'
base = None
exn_type = Extension
ext_language = language
elif isinstance(pattern, Extension):
for filepattern in pattern.sources:
if os.path.splitext(filepattern)[1] in ('.py', '.pyx'):
......@@ -618,6 +620,7 @@ def create_extension_list(patterns, exclude=[], ctx=None, aliases=None, quiet=Fa
name = template.name
base = DistutilsInfo(exn=template)
exn_type = template.__class__
ext_language = None # do not override whatever the Extension says
else:
raise TypeError(pattern)
......@@ -661,6 +664,9 @@ def create_extension_list(patterns, exclude=[], ctx=None, aliases=None, quiet=Fa
depends = list(set(template.depends).union(set(depends)))
kwds['depends'] = depends
if ext_language and 'language' not in kwds:
kwds['language'] = ext_language
module_list.append(exn_type(
name=module_name,
sources=sources,
......@@ -671,7 +677,7 @@ def create_extension_list(patterns, exclude=[], ctx=None, aliases=None, quiet=Fa
# This is the user-exposed entry point.
def cythonize(module_list, exclude=[], nthreads=0, aliases=None, quiet=False, force=False,
def cythonize(module_list, exclude=[], nthreads=0, aliases=None, quiet=False, force=False, language=None,
exclude_failures=False, **options):
"""
Compile a set of source modules into C/C++ files and return a list of distutils
......@@ -684,6 +690,11 @@ def cythonize(module_list, exclude=[], nthreads=0, aliases=None, quiet=False, fo
When using glob patterns, you can exclude certain module names explicitly
by passing them into the 'exclude' option.
To globally enable C++ mode, you can pass language='c++'. Otherwise, this
will be determined at a per-file level based on compiler directives. This
affects only modules found based on file names. Extension instances passed
into cythonize() will not be changed.
For parallel compilation, set the 'nthreads' option to the number of
concurrent builds.
......@@ -711,6 +722,7 @@ def cythonize(module_list, exclude=[], nthreads=0, aliases=None, quiet=False, fo
ctx=ctx,
quiet=quiet,
exclude_failures=exclude_failures,
language=language,
aliases=aliases)
deps = create_dependency_tree(ctx, quiet=quiet)
build_dir = getattr(options, 'build_dir', None)
......
......@@ -137,10 +137,14 @@ together into :file:`rect.so`, which you can then import in Python using
``import rect`` (if you forget to link the :file:`Rectangle.o`, you will
get missing symbols while importing the library in Python).
Note that the ``language`` option has no effect on user provided Extension
objects that are passed into ``cythonize()``. It is only used for modules
found by file name (as in the example above).
The options can also be passed directly from the source file, which is
often preferable. Starting with version 0.17, Cython also allows to
pass external source files into the ``cythonize()`` command this way.
Here is a simplified setup.py file::
often preferable (and overrides any global option). Starting with
version 0.17, Cython also allows to pass external source files into the
``cythonize()`` command this way. Here is a simplified setup.py file::
from distutils.core import setup
from Cython.Build import cythonize
......
......@@ -10,13 +10,11 @@ from Cython.Build.Dependencies import cythonize
from distutils.core import setup
setup(
ext_modules = cythonize("*.pyx"),
ext_modules = cythonize("*.pyx", language='c++'),
)
######## a.pyx ########
# distutils: language = c++
from libcpp.vector cimport vector
def use_vector(L):
......
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