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
#
__rcsid__ = "$Id$"
import os
import sys
import string
from distutils.errors import *
from distutils.ccompiler import \
CCompiler, gen_preprocess_options, gen_lib_options
def _devstudio_versions():
"Get a list of devstudio versions"
try:
import win32api
import win32con
except ImportError:
return None
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
def _msvc_get_paths(path, vNum='6.0', platform='x86'):
"Get a devstudio path (include, lib or path)"
try:
import win32api
import win32con
except ImportError:
return None
L = []
if path=='lib': path= 'Library'
path = string.upper(path + ' Dirs')
K = 'Software\\Microsoft\\Devstudio\\%s\\Build System\\Components\\Platforms\\Win32 (%s)\\Directories' \
% (vNum,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
def _find_exe(exe):
for v in _devstudio_versions():
for p in _msvc_get_paths('path',v):
fn=os.path.join(os.path.abspath(p),exe)
if os.path.isfile(fn): return fn
#didn't find it; try existing path
try:
for p in string.split(os.environ['Path'],';'):
fn=os.path.join(os.path.abspath(p),exe)
if os.path.isfile(fn): return fn
except:
pass
return exe #last desperate hope
def _find_SET(n):
for v in _devstudio_versions():
p=_msvc_get_paths(n,v)
if p!=[]: return p
return []
def _do_SET(n):
p=_find_SET(n)
if p!=[]: os.environ[n]=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'
def __init__ (self,
verbose=0,
dry_run=0,
force=0):
CCompiler.__init__ (self, verbose, dry_run, force)
# XXX This is a nasty dependency to add on something otherwise
# pretty clean. move it to build_ext under an nt specific part.
# shared libraries need to link against python15.lib
self.add_library ( "python" + sys.version[0] + sys.version[2] )
self.add_library_dir( os.path.join( sys.exec_prefix, 'libs' ) )
self.cc = _find_exe("cl.exe")
self.link = _find_exe("link.exe")
_do_SET('lib')
_do_SET('include')
path=_find_SET('path')
try:
for p in string.split(os.environ['path'],';'):
path.append(p)
except KeyError:
pass
os.environ['path'] = string.join(path,';')
self.preprocess_options = None
self.compile_options = [ '/nologo', '/Ox', '/MD' ]
self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
self.ldflags_static = [ '/nologo']
# -- Worker methods ------------------------------------------------
# (must be implemented by subclasses)
_c_extensions = [ '.c' ]
_cpp_extensions = [ '.cc', '.cpp' ]
_obj_ext = '.obj'
_exe_ext = '.exe'
_shared_lib_ext = '.dll'
_static_lib_ext = '.lib'
# XXX the 'output_dir' parameter is ignored by the methods in this
# class! I just put it in to be consistent with CCompiler and
# UnixCCompiler, but someone who actually knows Visual C++ will
# have to make it work...
def compile (self,
sources,
output_dir=None,
macros=None,
include_dirs=None,
extra_preargs=None,
extra_postargs=None):
if macros is None:
macros = []
if include_dirs is None:
include_dirs = []
objectFiles = []
base_pp_opts = \
gen_preprocess_options (self.macros + macros,
self.include_dirs + include_dirs)
base_pp_opts.append('/c')
for srcFile in sources:
base,ext = os.path.splitext(srcFile)
objFile = base + ".obj"
if ext in self._c_extensions:
fileOpt = "/Tc"
elif ext in self._cpp_extensions:
fileOpt = "/Tp"
inputOpt = fileOpt + srcFile
outputOpt = "/Fo" + objFile
cc_args = self.compile_options + \
base_pp_opts + \
[outputOpt, inputOpt]
if extra_preargs:
cc_args[:0] = extra_preargs
if extra_postargs:
cc_args.extend (extra_postargs)
self.spawn ([self.cc] + cc_args)
objectFiles.append( objFile )
return objectFiles
# XXX this is kind of useless without 'link_binary()' or
# 'link_executable()' or something -- or maybe 'link_static_lib()'
# should not exist at all, and we just have 'link_binary()'?
def link_static_lib (self,
objects,
output_libname,
output_dir=None,
libraries=None,
library_dirs=None,
extra_preargs=None,
extra_postargs=None):
if libraries is None:
libraries = []
if library_dirs is None:
library_dirs = []
lib_opts = gen_lib_options (self.libraries + libraries,
self.library_dirs + library_dirs,
"%s.lib", "/LIBPATH:%s")
ld_args = self.ldflags_static + lib_opts + \
objects + ['/OUT:' + output_filename]
if extra_preargs:
ld_args[:0] = extra_preargs
if extra_postargs:
ld_args.extend (extra_postargs)
self.spawn ( [ self.link ] + ld_args )
def link_shared_lib (self,
objects,
output_libname,
output_dir=None,
libraries=None,
library_dirs=None,
extra_preargs=None,
extra_postargs=None):
# XXX should we sanity check the library name? (eg. no
# slashes)
self.link_shared_object (objects,
self.shared_library_name(output_libname))
def link_shared_object (self,
objects,
output_filename,
output_dir=None,
libraries=None,
library_dirs=None,
extra_preargs=None,
extra_postargs=None):
"""Link a bunch of stuff together to create a shared object
file. Much like 'link_shared_lib()', except the output
filename is explicitly supplied as 'output_filename'."""
if libraries is None:
libraries = []
if library_dirs is None:
library_dirs = []
lib_opts = gen_lib_options (self,
self.library_dirs + library_dirs,
self.libraries + libraries)
ld_args = self.ldflags_shared + lib_opts + \
objects + ['/OUT:' + output_filename]
if extra_preargs:
ld_args[:0] = extra_preargs
if extra_postargs:
ld_args.extend (extra_postargs)
self.spawn ( [ self.link ] + ld_args )
# -- Filename mangling methods -------------------------------------
def _change_extensions( self, filenames, newExtension ):
object_filenames = []
for srcFile in filenames:
base,ext = os.path.splitext( srcFile )
# XXX should we strip off any existing path?
object_filenames.append( base + newExtension )
return object_filenames
def object_filenames (self, source_filenames):
"""Return the list of object filenames corresponding to each
specified source filename."""
return self._change_extensions( source_filenames, self._obj_ext )
def shared_object_filename (self, source_filename):
"""Return the shared object filename corresponding to a
specified source filename."""
return self._change_extensions( source_filenames, self._shared_lib_ext )
def library_filename (self, libname):
"""Return the static library filename corresponding to the
specified library name."""
return "%s%s" %( libname, self._static_lib_ext )
def shared_library_filename (self, libname):
"""Return the shared library filename corresponding to the
specified library name."""
return "%s%s" %( libname, self._shared_lib_ext )
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