cpython/Lib/distutils/msvccompiler.py

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"""distutils.ccompiler
Contains MSVCCompiler, an implementation of the abstract CCompiler class
for the Microsoft Visual Studio."""
# created 1999/08/19, Perry Stoll
# hacked by Robin Becker and Thomas Heller to do a better job of
# finding DevStudio (through the registry)
2000-03-02 01:49:45 +00:00
__revision__ = "$Id$"
import sys, os, string
from types import *
from distutils.errors import *
from distutils.ccompiler import \
CCompiler, gen_preprocess_options, gen_lib_options
def get_devstudio_versions ():
"""Get list of devstudio versions from the Windows registry. Return a
list of strings containing version numbers; the list will be
empty if we were unable to access the registry (eg. couldn't import
a registry-access module) or the appropriate registry keys weren't
found."""
try:
import win32api
import win32con
except ImportError:
return []
K = 'Software\\Microsoft\\Devstudio'
L = []
for base in (win32con.HKEY_CLASSES_ROOT,
win32con.HKEY_LOCAL_MACHINE,
win32con.HKEY_CURRENT_USER,
win32con.HKEY_USERS):
try:
k = win32api.RegOpenKeyEx(base,K)
i = 0
while 1:
try:
p = win32api.RegEnumKey(k,i)
if p[0] in '123456789' and p not in L:
L.append(p)
except win32api.error:
break
i = i + 1
except win32api.error:
pass
L.sort()
L.reverse()
return L
# get_devstudio_versions ()
def get_msvc_paths (path, version='6.0', platform='x86'):
"""Get a list of devstudio directories (include, lib or path). Return
a list of strings; will be empty list if unable to access the
registry or appropriate registry keys not found."""
try:
import win32api
import win32con
except ImportError:
return []
L = []
if path=='lib':
path= 'Library'
path = string.upper(path + ' Dirs')
K = ('Software\\Microsoft\\Devstudio\\%s\\' +
'Build System\\Components\\Platforms\\Win32 (%s)\\Directories') % \
(version,platform)
for base in (win32con.HKEY_CLASSES_ROOT,
win32con.HKEY_LOCAL_MACHINE,
win32con.HKEY_CURRENT_USER,
win32con.HKEY_USERS):
try:
k = win32api.RegOpenKeyEx(base,K)
i = 0
while 1:
try:
(p,v,t) = win32api.RegEnumValue(k,i)
if string.upper(p) == path:
V = string.split(v,';')
for v in V:
if v == '' or v in L: continue
L.append(v)
break
i = i + 1
except win32api.error:
break
except win32api.error:
pass
return L
# get_msvc_paths()
def find_exe (exe, version_number):
"""Try to find an MSVC executable program 'exe' (from version
'version_number' of MSVC) in several places: first, one of the MSVC
program search paths from the registry; next, the directories in the
PATH environment variable. If any of those work, return an absolute
path that is known to exist. If none of them work, just return the
original program name, 'exe'."""
for p in get_msvc_paths ('path', version_number):
fn = os.path.join (os.path.abspath(p), exe)
if os.path.isfile(fn):
return fn
# didn't find it; try existing path
for p in string.split (os.environ['Path'],';'):
fn = os.path.join(os.path.abspath(p),exe)
if os.path.isfile(fn):
return fn
return exe # last desperate hope
def set_path_env_var (name, version_number):
"""Set environment variable 'name' to an MSVC path type value obtained
from 'get_msvc_paths()'. This is equivalent to a SET command prior
to execution of spawned commands."""
p = get_msvc_paths (name, version_number)
if p:
os.environ[name] = string.join (p,';')
class MSVCCompiler (CCompiler) :
"""Concrete class that implements an interface to Microsoft Visual C++,
as defined by the CCompiler abstract class."""
compiler_type = 'msvc'
# Private class data (need to distinguish C from C++ source for compiler)
_c_extensions = ['.c']
_cpp_extensions = ['.cc','.cpp']
# Needed for the filename generation methods provided by the
# base class, CCompiler.
src_extensions = _c_extensions + _cpp_extensions
obj_extension = '.obj'
static_lib_extension = '.lib'
shared_lib_extension = '.dll'
static_lib_format = shared_lib_format = '%s%s'
exe_extension = '.exe'
def __init__ (self,
verbose=0,
dry_run=0,
force=0):
CCompiler.__init__ (self, verbose, dry_run, force)
self.add_library_dir( os.path.join( sys.exec_prefix, 'libs' ) )
versions = get_devstudio_versions ()
if versions:
version = versions[0] # highest version
self.cc = _find_exe("cl.exe", version)
self.link = _find_exe("link.exe", version)
self.lib = _find_exe("lib.exe", version)
set_path_env_var ('lib', version)
set_path_env_var ('include', version)
path=get_msvc_paths('path', version)
try:
for p in string.split(os.environ['path'],';'):
path.append(p)
except KeyError:
pass
os.environ['path'] = string.join(path,';')
else:
# devstudio not found in the registry
self.cc = "cl.exe"
self.link = "link.exe"
self.lib = "lib.exe"
self.preprocess_options = None
self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3' ]
self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/Z7', '/D_DEBUG']
self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
self.ldflags_shared_debug = [
'/DLL', '/nologo', '/INCREMENTAL:no', '/pdb:None', '/DEBUG'
]
self.ldflags_static = [ '/nologo']
# -- Worker methods ------------------------------------------------
def compile (self,
sources,
output_dir=None,
macros=None,
include_dirs=None,
debug=0,
extra_preargs=None,
extra_postargs=None):
(output_dir, macros, include_dirs) = \
self._fix_compile_args (output_dir, macros, include_dirs)
(objects, skip_sources) = self._prep_compile (sources, output_dir)
if extra_postargs is None:
extra_postargs = []
pp_opts = gen_preprocess_options (macros, include_dirs)
compile_opts = extra_preargs or []
compile_opts.append ('/c')
if debug:
compile_opts.extend (self.compile_options_debug)
else:
compile_opts.extend (self.compile_options)
for i in range (len (sources)):
src = sources[i] ; obj = objects[i]
ext = (os.path.splitext (src))[1]
if skip_sources[src]:
self.announce ("skipping %s (%s up-to-date)" % (src, obj))
else:
if ext in self._c_extensions:
input_opt = "/Tc" + src
elif ext in self._cpp_extensions:
input_opt = "/Tp" + src
output_opt = "/Fo" + obj
self.mkpath (os.path.dirname (obj))
self.spawn ([self.cc] + compile_opts + pp_opts +
[input_opt, output_opt] +
extra_postargs)
return objects
# compile ()
def create_static_lib (self,
objects,
output_libname,
output_dir=None,
debug=0,
extra_preargs=None,
extra_postargs=None):
(objects, output_dir) = \
self._fix_link_args (objects, output_dir, takes_libs=0)
output_filename = \
self.library_filename (output_libname, output_dir=output_dir)
if self._need_link (objects, output_filename):
lib_args = objects + ['/OUT:' + output_filename]
if debug:
pass # XXX what goes here?
if extra_preargs:
lib_args[:0] = extra_preargs
if extra_postargs:
lib_args.extend (extra_postargs)
self.spawn ([self.link] + ld_args)
else:
self.announce ("skipping %s (up-to-date)" % output_filename)
# create_static_lib ()
def link_shared_lib (self,
objects,
output_libname,
output_dir=None,
libraries=None,
library_dirs=None,
debug=0,
extra_preargs=None,
extra_postargs=None):
self.link_shared_object (objects,
self.shared_library_name(output_libname),
output_dir=output_dir,
libraries=libraries,
library_dirs=library_dirs,
debug=debug,
extra_preargs=extra_preargs,
extra_postargs=extra_postargs)
def link_shared_object (self,
objects,
output_filename,
output_dir=None,
libraries=None,
library_dirs=None,
debug=0,
extra_preargs=None,
extra_postargs=None):
(objects, output_dir, libraries, library_dirs) = \
self._fix_link_args (objects, output_dir, takes_libs=1,
libraries=libraries, library_dirs=library_dirs)
lib_opts = gen_lib_options (self, library_dirs, libraries)
if type (output_dir) not in (StringType, NoneType):
raise TypeError, "'output_dir' must be a string or None"
if output_dir is not None:
output_filename = os.path.join (output_dir, output_filename)
if self._need_link (objects, output_filename):
if debug:
ldflags = self.ldflags_shared_debug
# XXX not sure this belongs here
# extensions in debug_mode are named 'module_d.pyd'
basename, ext = os.path.splitext (output_filename)
output_filename = basename + '_d' + ext
else:
ldflags = self.ldflags_shared
ld_args = ldflags + lib_opts + \
objects + ['/OUT:' + output_filename]
if extra_preargs:
ld_args[:0] = extra_preargs
if extra_postargs:
ld_args.extend (extra_postargs)
self.mkpath (os.path.dirname (output_filename))
self.spawn ([self.link] + ld_args)
else:
self.announce ("skipping %s (up-to-date)" % output_filename)
# link_shared_object ()
# -- Miscellaneous methods -----------------------------------------
# These are all used by the 'gen_lib_options() function, in
# ccompiler.py.
def library_dir_option (self, dir):
return "/LIBPATH:" + dir
def library_option (self, lib):
return self.library_filename (lib)
def find_library_file (self, dirs, lib):
for dir in dirs:
libfile = os.path.join (dir, self.library_filename (lib))
if os.path.exists (libfile):
return libfile
else:
# Oops, didn't find it in *any* of 'dirs'
return None
# find_library_file ()
# class MSVCCompiler